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Durand A, Bonilla N, Level T, Ginestet Z, Lombès A, Guichard V, Germain M, Jacques S, Letourneur F, Do Cruzeiro M, Marchiol C, Renault G, Le Gall M, Charvet C, Le Bon A, Martin B, Auffray C, Lucas B. Type 1 interferons and Foxo1 down-regulation play a key role in age-related T-cell exhaustion in mice. Nat Commun 2024; 15:1718. [PMID: 38409097 PMCID: PMC10897180 DOI: 10.1038/s41467-024-45984-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 02/05/2024] [Indexed: 02/28/2024] Open
Abstract
Foxo family transcription factors are critically involved in multiple processes, such as metabolism, quiescence, cell survival and cell differentiation. Although continuous, high activity of Foxo transcription factors extends the life span of some species, the involvement of Foxo proteins in mammalian aging remains to be determined. Here, we show that Foxo1 is down-regulated with age in mouse T cells. This down-regulation of Foxo1 in T cells may contribute to the disruption of naive T-cell homeostasis with age, leading to an increase in the number of memory T cells. Foxo1 down-regulation is also associated with the up-regulation of co-inhibitory receptors by memory T cells and exhaustion in aged mice. Using adoptive transfer experiments, we show that the age-dependent down-regulation of Foxo1 in T cells is mediated by T-cell-extrinsic cues, including type 1 interferons. Taken together, our data suggest that type 1 interferon-induced Foxo1 down-regulation is likely to contribute significantly to T-cell dysfunction in aged mice.
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Affiliation(s)
- Aurélie Durand
- Université Paris-Cité, Institut Cochin, Centre National de la Recherche Scientifique (CNRS) UMR8104, Institut National de la Santé et de la Recherche Médicale (INSERM) U1016, 75014, Paris, France
| | - Nelly Bonilla
- Université Paris-Cité, Institut Cochin, Centre National de la Recherche Scientifique (CNRS) UMR8104, Institut National de la Santé et de la Recherche Médicale (INSERM) U1016, 75014, Paris, France
| | - Théo Level
- Université Paris-Cité, Institut Cochin, Centre National de la Recherche Scientifique (CNRS) UMR8104, Institut National de la Santé et de la Recherche Médicale (INSERM) U1016, 75014, Paris, France
| | - Zoé Ginestet
- Université Paris-Cité, Institut Cochin, Centre National de la Recherche Scientifique (CNRS) UMR8104, Institut National de la Santé et de la Recherche Médicale (INSERM) U1016, 75014, Paris, France
| | - Amélie Lombès
- Université Paris-Cité, Institut Cochin, Centre National de la Recherche Scientifique (CNRS) UMR8104, Institut National de la Santé et de la Recherche Médicale (INSERM) U1016, 75014, Paris, France
| | - Vincent Guichard
- Université Paris-Cité, Institut Cochin, Centre National de la Recherche Scientifique (CNRS) UMR8104, Institut National de la Santé et de la Recherche Médicale (INSERM) U1016, 75014, Paris, France
| | - Mathieu Germain
- Université Paris-Cité, Institut Cochin, Centre National de la Recherche Scientifique (CNRS) UMR8104, Institut National de la Santé et de la Recherche Médicale (INSERM) U1016, 75014, Paris, France
| | - Sébastien Jacques
- Université Paris-Cité, Institut Cochin, Centre National de la Recherche Scientifique (CNRS) UMR8104, Institut National de la Santé et de la Recherche Médicale (INSERM) U1016, 75014, Paris, France
| | - Franck Letourneur
- Université Paris-Cité, Institut Cochin, Centre National de la Recherche Scientifique (CNRS) UMR8104, Institut National de la Santé et de la Recherche Médicale (INSERM) U1016, 75014, Paris, France
| | - Marcio Do Cruzeiro
- Université Paris-Cité, Institut Cochin, Centre National de la Recherche Scientifique (CNRS) UMR8104, Institut National de la Santé et de la Recherche Médicale (INSERM) U1016, 75014, Paris, France
| | - Carmen Marchiol
- Université Paris-Cité, Institut Cochin, Centre National de la Recherche Scientifique (CNRS) UMR8104, Institut National de la Santé et de la Recherche Médicale (INSERM) U1016, 75014, Paris, France
| | - Gilles Renault
- Université Paris-Cité, Institut Cochin, Centre National de la Recherche Scientifique (CNRS) UMR8104, Institut National de la Santé et de la Recherche Médicale (INSERM) U1016, 75014, Paris, France
| | - Morgane Le Gall
- Université Paris-Cité, Institut Cochin, Centre National de la Recherche Scientifique (CNRS) UMR8104, Institut National de la Santé et de la Recherche Médicale (INSERM) U1016, 75014, Paris, France
| | - Céline Charvet
- Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), Illkirch, France
- CNRS UMR7104, Illkirch, France
- INSERM U1258, Illkirch, France
- Université de Strasbourg, Strasbourg, France
| | - Agnès Le Bon
- Université Paris-Cité, Institut Cochin, Centre National de la Recherche Scientifique (CNRS) UMR8104, Institut National de la Santé et de la Recherche Médicale (INSERM) U1016, 75014, Paris, France
| | - Bruno Martin
- Université Paris-Cité, Institut Cochin, Centre National de la Recherche Scientifique (CNRS) UMR8104, Institut National de la Santé et de la Recherche Médicale (INSERM) U1016, 75014, Paris, France
| | - Cédric Auffray
- Université Paris-Cité, Institut Cochin, Centre National de la Recherche Scientifique (CNRS) UMR8104, Institut National de la Santé et de la Recherche Médicale (INSERM) U1016, 75014, Paris, France
| | - Bruno Lucas
- Université Paris-Cité, Institut Cochin, Centre National de la Recherche Scientifique (CNRS) UMR8104, Institut National de la Santé et de la Recherche Médicale (INSERM) U1016, 75014, Paris, France.
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Lerond J, Mathon B, Scopin M, Nichelli L, Guégan J, Bertholle C, Izac B, Andrieu M, Gareau T, Donneger F, Mohand Oumoussa B, Letourneur F, Tran S, Bertrand M, Le Roux I, Touat M, Dupont S, Poncer JC, Navarro V, Bielle F. Hippocampal and neocortical BRAF mutant non-expansive lesions in focal epilepsies. Neuropathol Appl Neurobiol 2023; 49:e12937. [PMID: 37740653 DOI: 10.1111/nan.12937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 08/31/2023] [Accepted: 09/18/2023] [Indexed: 09/24/2023]
Abstract
OBJECTIVE Mesial Temporal Lobe Epilepsy-associated Hippocampal Sclerosis (MTLE-HS) is a syndrome associated with various aetiologies. We previously identified CD34-positive extravascular stellate cells (CD34+ cells) possibly related to BRAFV600E oncogenic variant in a subset of MTLE-HS. We aimed to identify the BRAFV600E oncogenic variants and characterise the CD34+ cells. METHODS We analysed BRAFV600E oncogenic variant by digital droplet Polymerase Chain Reaction in 53 MTLE-HS samples (25 with CD34+ cells) and nine non-expansive neocortical lesions resected during epilepsy surgery (five with CD34+ cells). Ex vivo multi-electrode array recording, immunolabelling, methylation microarray and single nuclei RNAseq were performed on BRAFwildtype MTLE-HS and BRAFV600E mutant non-expansive lesion of hippocampus and/or neocortex. RESULTS We identified a BRAFV600E oncogenic variant in five MTLE-HS samples with CD34+ cells (19%) and in five neocortical samples with CD34+ cells (100%). Single nuclei RNAseq of resected samples revealed two unique clusters of abnormal cells (including CD34+ cells) associated with senescence and oligodendrocyte development in both hippocampal and neocortical BRAFV600E mutant samples. The co-expression of the oncogene-induced senescence marker p16INK4A and the outer subventricular zone radial glia progenitor marker HOPX in CD34+ cells was confirmed by multiplex immunostaining. Pseudotime analysis showed that abnormal cells share a common lineage from progenitors to myelinating oligodendrocytes. Epilepsy surgery led to seizure freedom in eight of the 10 patients with BRAF mutant lesions. INTERPRETATION BRAFV600E underlies a subset of MTLE-HS and epileptogenic non-expansive neocortical focal lesions. Detection of the oncogenic variant may help diagnosis and open perspectives for targeted therapies.
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Affiliation(s)
- Julie Lerond
- Institut du Cerveau-Paris Brain Institute-ICM, Inserm, CNRS, Sorbonne Université, Paris, France
| | - Bertrand Mathon
- AP-HP, Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix, Department of Neurosurgery, Sorbonne Université, Paris, France
| | - Mélina Scopin
- Institut du Fer à Moulin, Inserm, Sorbonne Université, Paris, France
| | - Lucia Nichelli
- AP-HP, Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix, Department of Neuroradiology, Sorbonne Université, Paris, France
| | - Justine Guégan
- Institut du Cerveau-Paris Brain Institute-ICM-Data Analysis Core platform, Inserm, CNRS, APHP, Hôpital de la Pitié Salpêtrière, Sorbonne Université, Paris, France
| | - Céline Bertholle
- CNRS, INSERM, Institut Cochin, Université Paris Cité, Paris, France
| | - Brigitte Izac
- CNRS, INSERM, Institut Cochin, Université Paris Cité, Paris, France
| | - Muriel Andrieu
- CNRS, INSERM, Institut Cochin, Université Paris Cité, Paris, France
| | - Thomas Gareau
- Institut du Cerveau-Paris Brain Institute-ICM-Data Analysis Core platform, Inserm, CNRS, APHP, Hôpital de la Pitié Salpêtrière, Sorbonne Université, Paris, France
| | - Florian Donneger
- Institut du Fer à Moulin, Inserm, Sorbonne Université, Paris, France
| | - Badreddine Mohand Oumoussa
- Inserm, UMS Production et Analyse des données en Sciences de la vie et en Santé, PASS, Plateforme Post-génomique de la Pitié-Salpêtrière, Sorbonne Université, Paris, France
| | | | - Suzanne Tran
- AP-HP, Institut du Cerveau-Paris Brain Institute-ICM, Inserm, CNRS, Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix, Department of Neuropathology, Sorbonne Université, Paris, France
| | - Mathilde Bertrand
- Institut du Cerveau-Paris Brain Institute-ICM-Data Analysis Core platform, Inserm, CNRS, APHP, Hôpital de la Pitié Salpêtrière, Sorbonne Université, Paris, France
| | - Isabelle Le Roux
- Institut du Cerveau-Paris Brain Institute-ICM, Inserm, CNRS, Sorbonne Université, Paris, France
| | - Mehdi Touat
- AP-HP, Institut du Cerveau-Paris Brain Institute-ICM, Inserm, CNRS, Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix, Department of Neurology 2-Mazarin, Sorbonne Université, Paris, France
| | - Sophie Dupont
- IAP-HP, Institut du Cerveau-Paris Brain Institute-ICM, Inserm, CNRS, Hôpitaux Universitaires La Pitié Salpêtrière, Rehabilitation Unit, Sorbonne Université, Paris, France
| | | | - Vincent Navarro
- AP-HP, Institut du Cerveau-Paris Brain Institute-ICM, Inserm, CNRS, Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix, Epilepsy Unit, Department of Neurology and EEG Unit, Department of Clinical Neurophysiology, Reference Center for Rare Epilepsies, Sorbonne Université, Paris, France
| | - Franck Bielle
- AP-HP, Institut du Cerveau-Paris Brain Institute-ICM, Inserm, CNRS, Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix, Department of Neuropathology, Sorbonne Université, Paris, France
- AP-HP, Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix, Onconeurotek, Paris, France
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Souki R, Amossé J, Genêt V, Le Gall M, SaintPierre B, Letourneur F, Maître A, Demeilliers C, Le Ferrec E, Lagadic-Gossmann D, Podechard N, Sparfel L. Small RNA-sequencing reveals the involvement of microRNA-132 in benzo[a]pyrene-induced toxicity in primary human blood cells. Environ Pollut 2023; 328:121653. [PMID: 37080521 DOI: 10.1016/j.envpol.2023.121653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 03/24/2023] [Accepted: 04/14/2023] [Indexed: 05/03/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are widely distributed environmental contaminants, triggering deleterious effects such as carcinogenicity and immunosuppression, and peripheral blood mononuclear cells (PBMCs) are among the main cell types targeted by these pollutants. In the present study, we sought to identify the expression profiles and function of miRNAs, gene regulators involved in major cellular processes recently linked to environmental pollutants, in PBMC-exposed to the prototypical PAH, benzo [a]pyrene (B [a]P). Using small RNA deep sequencing, we identified several B [a]P-responsive miRNAs. Bioinformatics analyses showed that their predicted targets could modulate biological processes relevant to cell death and survival. Further studies of the most highly induced miRNA, miR-132, showed that its up-regulation by B [a]P was time- and dose-dependent and required aryl hydrocarbon receptor (AhR) activation. By evaluating the role of miR-132 in B [a]P-induced cell death, we propose a mechanism linking B [a]P-induced miR-132 expression and cytochromes P-450 (CYPs) 1A1 and 1B1 mRNA levels, which could contribute to the apoptotic response of PBMCs. Altogether, this study increases our understanding of the roles of miRNAs induced by B [a]P and provides the basis for further investigations into the mechanisms of gene expression regulation by PAHs.
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Affiliation(s)
- Rima Souki
- Univ Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé, Environnement et Travail), UMR_S 1085, F-35000, Rennes, France
| | - Jérémy Amossé
- Univ Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé, Environnement et Travail), UMR_S 1085, F-35000, Rennes, France
| | - Valentine Genêt
- Univ Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé, Environnement et Travail), UMR_S 1085, F-35000, Rennes, France
| | - Morgane Le Gall
- Université Paris Cité, CNRS, INSERM, Institut Cochin, F-75014, Paris, France
| | | | - Franck Letourneur
- Université Paris Cité, CNRS, INSERM, Institut Cochin, F-75014, Paris, France
| | - Anne Maître
- Univ. Grenoble Alpes, CNRS, UMR 5525, VetAgro Sup, Grenoble INP, TIMC, EPSP, 38000, Grenoble, France; Univ. Grenoble Alpes, CHU Grenoble Alpes, Laboratoire de Toxicologie Professionnelle et Environnementale, TIMC, CNRS, Grenoble INP, 38000, Grenoble, France
| | - Christine Demeilliers
- Univ. Grenoble Alpes, CNRS, UMR 5525, VetAgro Sup, Grenoble INP, TIMC, EPSP, 38000, Grenoble, France; Univ. Grenoble Alpes, CHU Grenoble Alpes, Laboratoire de Toxicologie Professionnelle et Environnementale, TIMC, CNRS, Grenoble INP, 38000, Grenoble, France
| | - Eric Le Ferrec
- Univ Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé, Environnement et Travail), UMR_S 1085, F-35000, Rennes, France
| | - Dominique Lagadic-Gossmann
- Univ Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé, Environnement et Travail), UMR_S 1085, F-35000, Rennes, France
| | - Normand Podechard
- Univ Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé, Environnement et Travail), UMR_S 1085, F-35000, Rennes, France
| | - Lydie Sparfel
- Univ Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé, Environnement et Travail), UMR_S 1085, F-35000, Rennes, France.
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Sanson R, Lazzara SL, Cune D, Pitasi CL, Trentesaux C, Fraudeau M, Letourneur F, Saintpierre B, Le Gall M, Bossard P, Terris B, Finetti P, Bertucci F, Mamessier E, Romagnolo B, Perret C. Axin1 Protects Colon Carcinogenesis by an Immune-Mediated Effect. Cell Mol Gastroenterol Hepatol 2023; 15:689-715. [PMID: 36356835 PMCID: PMC9874083 DOI: 10.1016/j.jcmgh.2022.10.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 10/27/2022] [Accepted: 10/27/2022] [Indexed: 11/09/2022]
Abstract
BACKGROUND & AIMS Axin1 is a negative regulator of wingless-type MMTV integration site family, member 1 (Wnt)/β-catenin signaling with tumor-suppressor function. The Wnt pathway has a critical role in the intestine, both during homeostasis and cancer, but the role of Axin1 remains elusive. METHODS We assessed the role of Axin1 in normal intestinal homeostasis, with control, epithelial-specific, Axin1-knockout mice (Axin1ΔIEC) and Axin2-knockout mice. We evaluated the tumor-suppressor function of Axin1 during chemically induced colorectal tumorigenesis and dextran sulfate sodium-induced colitis, and performed comparative gene expression profiling by whole-genome RNA sequencing. The clinical relevance of the Axin1-dependent gene expression signature then was tested in a database of 2239 clinical colorectal cancer (CRC) samples. RESULTS We found that Axin1 was dispensable for normal intestinal homeostasis and redundant with Axin2 for Wnt pathway down-regulation. Axin1 deficiency in intestinal epithelial cells rendered mice more susceptible to chemically induced colon carcinogenesis, but reduced dextran sulfate sodium-induced colitis by attenuating the induction of a proinflammatory program. RNA-seq analyses identified an interferon γ/T-helper1 immune program controlled by Axin1 that enhances the inflammatory response and protects against CRC. The Axin1-dependent gene expression signature was applied to human CRC samples and identified a group of patients with potential vulnerability to immune checkpoint blockade therapies. CONCLUSIONS Our study establishes, in vivo, that Axin1 has redundant function with Axin2 for Wnt down-regulation and infers a new role for Axin1. Physiologically, Axin1 stimulates gut inflammation via an interferon γ/Th1 program that prevents tumor growth. Linked to its T-cell-mediated effect, the colonic Axin1 signature offers therapeutic perspectives for CRC.
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Affiliation(s)
- Romain Sanson
- Université de Paris, Institut Cochin, INSERM, Centre National Recherche Scientifique, Paris, France; Equipe Labellisée Ligue Nationale Contre Le Cancer, Paris, France
| | - Silvia Luna Lazzara
- Université de Paris, Institut Cochin, INSERM, Centre National Recherche Scientifique, Paris, France; Equipe Labellisée Ligue Nationale Contre Le Cancer, Paris, France
| | - David Cune
- Université de Paris, Institut Cochin, INSERM, Centre National Recherche Scientifique, Paris, France; Equipe Labellisée Ligue Nationale Contre Le Cancer, Paris, France
| | - Caterina Luana Pitasi
- Université de Paris, Institut Cochin, INSERM, Centre National Recherche Scientifique, Paris, France; Equipe Labellisée Ligue Nationale Contre Le Cancer, Paris, France
| | - Coralie Trentesaux
- Université de Paris, Institut Cochin, INSERM, Centre National Recherche Scientifique, Paris, France; Equipe Labellisée Ligue Nationale Contre Le Cancer, Paris, France
| | - Marie Fraudeau
- Université de Paris, Institut Cochin, INSERM, Centre National Recherche Scientifique, Paris, France; Equipe Labellisée Ligue Nationale Contre Le Cancer, Paris, France
| | - Franck Letourneur
- Genomic Facility, Université de Paris, Institut Cochin, INSERM, Centre National Recherche Scientifique, Paris, France
| | - Benjamin Saintpierre
- Genomic Facility, Université de Paris, Institut Cochin, INSERM, Centre National Recherche Scientifique, Paris, France
| | - Morgane Le Gall
- Proteomic Facility, Université de Paris, Institut Cochin, INSERM, Centre National Recherche Scientifique, Paris, France
| | - Pascale Bossard
- Université de Paris, Institut Cochin, INSERM, Centre National Recherche Scientifique, Paris, France; Equipe Labellisée Ligue Nationale Contre Le Cancer, Paris, France
| | - Benoit Terris
- Université de Paris, Institut Cochin, INSERM, Centre National Recherche Scientifique, Paris, France; Equipe Labellisée Ligue Nationale Contre Le Cancer, Paris, France; Assistance Publique Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre, Pathology Department, Hôpital Cochin, Paris, France
| | - Pascal Finetti
- Laboratory of Predictive Oncology, Centre de Recherche en Cancérologie de Marseille, Institut Paoli-Calmettes, INSERM Unité Mixte de Recherche 1068, Centre National Recherche Scientifique Unité Mixte de Recherche 725, Marseille, France
| | - François Bertucci
- Laboratory of Predictive Oncology, Centre de Recherche en Cancérologie de Marseille, Institut Paoli-Calmettes, INSERM Unité Mixte de Recherche 1068, Centre National Recherche Scientifique Unité Mixte de Recherche 725, Marseille, France
| | - Emilie Mamessier
- Laboratory of Predictive Oncology, Centre de Recherche en Cancérologie de Marseille, Institut Paoli-Calmettes, INSERM Unité Mixte de Recherche 1068, Centre National Recherche Scientifique Unité Mixte de Recherche 725, Marseille, France
| | - Béatrice Romagnolo
- Université de Paris, Institut Cochin, INSERM, Centre National Recherche Scientifique, Paris, France; Equipe Labellisée Ligue Nationale Contre Le Cancer, Paris, France.
| | - Christine Perret
- Université de Paris, Institut Cochin, INSERM, Centre National Recherche Scientifique, Paris, France; Equipe Labellisée Ligue Nationale Contre Le Cancer, Paris, France.
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Cresto N, Lebrun N, Dumont F, Letourneur F, Billuart P, Rouach N. Hippocampal Excitatory Synaptic Transmission and Plasticity Are Differentially Altered during Postnatal Development by Loss of the X-Linked Intellectual Disability Protein Oligophrenin-1. Cells 2022; 11:cells11091545. [PMID: 35563851 PMCID: PMC9105236 DOI: 10.3390/cells11091545] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 04/10/2022] [Accepted: 04/21/2022] [Indexed: 12/04/2022] Open
Abstract
Oligophrenin-1 (OPHN1) is a Rho-GTPase-activating protein (RhoGAP), whose mutations are associated with X-linked intellectual disability (XLID). OPHN1 is enriched at the synapse in both pre- and postsynaptic compartments, where it regulates the RhoA/ROCK/MLC2 signaling pathway, playing a critical role in cytoskeleton remodeling and vesicle recycling. Ophn1 knockout (KO) adult mice display some behavioral deficits in multiple tasks, reminiscent of some symptoms in the human pathology. We also previously reported a reduction in dendritic spine density in the adult hippocampus of KO mice. Yet the nature of the deficits occurring in these mice during postnatal development remains elusive. Here, we show that juvenile KO mice present normal basal synaptic transmission, but altered synaptic plasticity, with a selective impairment in long-term depression, but no change in long-term potentiation. This contrasts with the functional deficits that these mice display at the adult stage, as we found that both basal synaptic transmission and long-term potentiation are reduced at later stages, due to presynaptic alterations. In addition, the number of excitatory synapses in adult is increased, suggesting some unsuccessful compensation. Altogether, these results suggest that OPHN1 function at synapses is differentially affected during maturation of the brain, which provides some therapeutic opportunities for early intervention.
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Affiliation(s)
- Noemie Cresto
- Neuroglial Interactions in Cerebral Physiology and Pathologies, Center for Interdisciplinary Research in Biology, Collège de France, CNRS UMR 7241, INSERM U1050, Labex Memolife, Université PSL, 75005 Paris, France;
| | - Nicolas Lebrun
- Institut de Psychiatrie et de Neurosciences de Paris, INSERM U1266, Université de Paris Cité, 75014 Paris, France;
| | - Florent Dumont
- UMS IPSIT, Université Paris-Saclay, 92296 Châtenay-Malabry, France;
| | - Franck Letourneur
- Institut Cochin, INSERM U1016, CNRS UMR8104, Université de Paris Cité, 75014 Paris, France;
| | - Pierre Billuart
- Institut de Psychiatrie et de Neurosciences de Paris, INSERM U1266, Université de Paris Cité, 75014 Paris, France;
- Correspondence: (P.B.); (N.R.)
| | - Nathalie Rouach
- Neuroglial Interactions in Cerebral Physiology and Pathologies, Center for Interdisciplinary Research in Biology, Collège de France, CNRS UMR 7241, INSERM U1050, Labex Memolife, Université PSL, 75005 Paris, France;
- Correspondence: (P.B.); (N.R.)
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Jouinot A, Lippert J, Sibony M, Violon F, Jeanpierre L, De Murat D, Armignacco R, Septier A, Perlemoine K, Letourneur F, Izac B, Ragazzon B, Leroy K, Pasmant E, North MO, Gaujoux S, Dousset B, Groussin L, Libe R, Terris B, Fassnacht M, Ronchi CL, Bertherat J, Assie G. Transcriptome in paraffin samples for the diagnosis and prognosis of adrenocortical carcinoma. Eur J Endocrinol 2022; 186:607-617. [PMID: 35266879 PMCID: PMC9066577 DOI: 10.1530/eje-21-1228] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Accepted: 03/10/2022] [Indexed: 11/08/2022]
Abstract
DESIGN Molecular classification is important for the diagnosis and prognosis of adrenocortical tumors (ACT). Transcriptome profiles separate adrenocortical adenomas 'C2' from carcinomas, and identify two groups of carcinomas 'C1A' and 'C1B', of poor and better prognosis respectively. However, many ACT cannot be profiled because of improper or absent freezing procedures, a mandatory requirement so far. The main aim was to determine transcriptome profiles on formalin-fixed paraffin-embedded (FFPE) samples, using the new 3'-end RNA-sequencing technology. A secondary aim was to demonstrate the ability of this technique to explore large FFPE archives, by focusing on the rare oncocytic ACT variants. METHODS We included 131 ACT: a training cohort from Cochin hospital and an independent validation cohort from Wuerzburg hospital. The 3' transcriptome was generated from FFPE samples using QuantSeq (Lexogen, Vienna, Austria) and NextSeq500 (Illumina, San Diego, CA, USA). RESULTS In the training cohort, unsupervised clustering identified three groups: 'C1A' aggressive carcinomas (n = 28, 29%), 'C1B' more indolent carcinomas (n = 28, 29%), and 'C2' adenomas (n = 39, 41%). The prognostic value of FFPE transcriptome was confirmed in the validation cohort (5-year OS: 26% in 'C1A' (n = 26) and 100% in 'C1B' (n = 10), P = 0.003). FFPE transcriptome was an independent prognostic factor in a multivariable model including tumor stage and Ki-67 (OS HR: 7.5, P = 0.01). Oncocytic ACT (n = 19) did not form any specific cluster. Oncocytic carcinomas (n = 6) and oncocytic ACT of uncertain malignant potential (n = 4) were all in 'C1B'. CONCLUSIONS The 3' RNA-sequencing represents a convenient solution for determining ACT molecular class from FFPE samples. This technique should facilitate routine use and large retrospective studies.
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Affiliation(s)
- Anne Jouinot
- Université de Paris, Institut Cochin, INSERM U-1016, CNRS UMR-8104, Paris, France
- Endocrinology, AP-HP Hôpital Cochin, Paris, France
- Institut Curie, INSERM U900, MINES ParisTech, PSL-Research University, CBIO-Centre for Computational Biology, Paris, France
| | - Juliane Lippert
- Division of Endocrinology and Diabetes, Department of Internal Medicine I, University Hospital, University of Wuerzburg, Wuerzburg, Germany
| | - Mathilde Sibony
- Université de Paris, Institut Cochin, INSERM U-1016, CNRS UMR-8104, Paris, France
- Pathology, AP-HP Hôpital Cochin, Paris, France
| | - Florian Violon
- Université de Paris, Institut Cochin, INSERM U-1016, CNRS UMR-8104, Paris, France
- Pathology, AP-HP Hôpital Cochin, Paris, France
| | - Lindsay Jeanpierre
- Université de Paris, Institut Cochin, INSERM U-1016, CNRS UMR-8104, Paris, France
- Pathology, AP-HP Hôpital Cochin, Paris, France
| | - Daniel De Murat
- Université de Paris, Institut Cochin, INSERM U-1016, CNRS UMR-8104, Paris, France
| | - Roberta Armignacco
- Université de Paris, Institut Cochin, INSERM U-1016, CNRS UMR-8104, Paris, France
| | - Amandine Septier
- Université de Paris, Institut Cochin, INSERM U-1016, CNRS UMR-8104, Paris, France
| | - Karine Perlemoine
- Université de Paris, Institut Cochin, INSERM U-1016, CNRS UMR-8104, Paris, France
| | - Franck Letourneur
- Université de Paris, Institut Cochin, INSERM U-1016, CNRS UMR-8104, Paris, France
| | - Brigitte Izac
- Université de Paris, Institut Cochin, INSERM U-1016, CNRS UMR-8104, Paris, France
| | - Bruno Ragazzon
- Université de Paris, Institut Cochin, INSERM U-1016, CNRS UMR-8104, Paris, France
| | - Karen Leroy
- Genetics and Molecular Biology, AP-HP Hôpital Cochin, Paris, France
| | - Eric Pasmant
- Genetics and Molecular Biology, AP-HP Hôpital Cochin, Paris, France
| | | | - Sébastien Gaujoux
- Université de Paris, Institut Cochin, INSERM U-1016, CNRS UMR-8104, Paris, France
- Digestive and Endocrine Surgery, AP-HP Hôpital Cochin, Paris, France
| | - Bertrand Dousset
- Université de Paris, Institut Cochin, INSERM U-1016, CNRS UMR-8104, Paris, France
- Digestive and Endocrine Surgery, AP-HP Hôpital Cochin, Paris, France
| | - Lionel Groussin
- Université de Paris, Institut Cochin, INSERM U-1016, CNRS UMR-8104, Paris, France
- Endocrinology, AP-HP Hôpital Cochin, Paris, France
| | - Rossella Libe
- Université de Paris, Institut Cochin, INSERM U-1016, CNRS UMR-8104, Paris, France
- Endocrinology, AP-HP Hôpital Cochin, Paris, France
| | | | - Martin Fassnacht
- Division of Endocrinology and Diabetes, Department of Internal Medicine I, University Hospital, University of Wuerzburg, Wuerzburg, Germany
| | - Cristina L Ronchi
- Division of Endocrinology and Diabetes, Department of Internal Medicine I, University Hospital, University of Wuerzburg, Wuerzburg, Germany
- Institute of Metabolism and System Research, University of Birmingham, Birmingham, UK
- Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK
- Correspondence should be addressed to C L Ronchi or G Assié; or
| | - Jérôme Bertherat
- Université de Paris, Institut Cochin, INSERM U-1016, CNRS UMR-8104, Paris, France
- Endocrinology, AP-HP Hôpital Cochin, Paris, France
| | - Guillaume Assie
- Université de Paris, Institut Cochin, INSERM U-1016, CNRS UMR-8104, Paris, France
- Endocrinology, AP-HP Hôpital Cochin, Paris, France
- Correspondence should be addressed to C L Ronchi or G Assié; or
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7
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Givelet M, Firlej V, Lassalle B, Gille AS, Lapoujade C, Holtzman I, Jarysta A, Haghighirad F, Dumont F, Jacques S, Letourneur F, Pflumio F, Allemand I, Patrat C, Thiounn N, Wolf JP, Riou L, Barraud-Lange V, Fouchet P. Transcriptional profiling of β-2M -SPα-6 +THY1 + spermatogonial stem cells in human spermatogenesis. Stem Cell Reports 2022; 17:936-952. [PMID: 35334216 PMCID: PMC9023810 DOI: 10.1016/j.stemcr.2022.02.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 02/25/2022] [Accepted: 02/25/2022] [Indexed: 11/29/2022] Open
Abstract
Male infertility is responsible for approximately half of all cases of reproductive issues. Spermatogenesis originates in a small pool of spermatogonial stem cells (SSCs), which are of interest for therapy of infertility but remain not well defined in humans. Using multiparametric analysis of the side population (SP) phenotype and the α-6 integrin, THY1, and β-2 microglobulin cell markers, we identified a population of human primitive undifferentiated spermatogonia with the phenotype β-2 microglobulin (β-2M)−SPα-6+THY1+, which is highly enriched in stem cells. By analyzing the expression signatures of this SSC-enriched population along with other germinal progenitors, we established an exhaustive transcriptome of human spermatogenesis. Transcriptome profiling of the human β-2M−SPα-6+THY1+ population and comparison with the profile of mouse undifferentiated spermatogonia provide insights into the molecular networks and key transcriptional regulators regulating human SSCs, including the basic-helix-loop-helix (bHLH) transcriptional repressor HES1, which we show to be implicated in maintenance of SSCs in vitro. Human β-2M−SPα-6+THY1+ undifferentiated spermatogonia are enriched in stem cells Comparative transcriptomics analysis of human and murine spermatogonia HES1 is involved in the physiology of SSCs in vitro
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Affiliation(s)
- Maelle Givelet
- Université de Paris and Université Paris-Saclay, CEA, UMR Stabilité Génétique Cellules Souches et Radiations, iRCM/IBFJ, Laboratoire des Cellules Souches Germinales, 92265 Fontenay-aux-Roses, France; Institut Cochin, INSERM U1016, Département de Génétique, Développement et Cancer, Équipe Génomique Epigénétique et Physiopathologie de la Reproduction, 75014 Paris, France
| | - Virginie Firlej
- Université de Paris and Université Paris-Saclay, CEA, UMR Stabilité Génétique Cellules Souches et Radiations, iRCM/IBFJ, Laboratoire des Cellules Souches Germinales, 92265 Fontenay-aux-Roses, France; Institut Cochin, INSERM U1016, Département de Génétique, Développement et Cancer, Équipe Génomique Epigénétique et Physiopathologie de la Reproduction, 75014 Paris, France
| | - Bruno Lassalle
- Université de Paris and Université Paris-Saclay, CEA, UMR Stabilité Génétique Cellules Souches et Radiations, iRCM/IBFJ, Laboratoire des Cellules Souches Germinales, 92265 Fontenay-aux-Roses, France
| | - Anne Sophie Gille
- Université de Paris and Université Paris-Saclay, CEA, UMR Stabilité Génétique Cellules Souches et Radiations, iRCM/IBFJ, Laboratoire des Cellules Souches Germinales, 92265 Fontenay-aux-Roses, France; Institut Cochin, INSERM U1016, Département de Génétique, Développement et Cancer, Équipe Génomique Epigénétique et Physiopathologie de la Reproduction, 75014 Paris, France
| | - Clementine Lapoujade
- Université de Paris and Université Paris-Saclay, CEA, UMR Stabilité Génétique Cellules Souches et Radiations, iRCM/IBFJ, Laboratoire des Cellules Souches Germinales, 92265 Fontenay-aux-Roses, France
| | - Isabelle Holtzman
- Institut Cochin, INSERM U1016, Département de Génétique, Développement et Cancer, Équipe Génomique Epigénétique et Physiopathologie de la Reproduction, 75014 Paris, France
| | - Amandine Jarysta
- Université de Paris and Université Paris-Saclay, CEA, UMR Stabilité Génétique Cellules Souches et Radiations, iRCM/IBFJ, Laboratoire des Cellules Souches Germinales, 92265 Fontenay-aux-Roses, France
| | - Farahd Haghighirad
- UFR Médecine Paris Centre-Université de Paris, 15 rue de l'école de Médecine, 75006 Paris, France
| | - Florent Dumont
- Université Paris Saclay, UMS IPSIT, 92296 Châtenay-Malabry, France
| | - Sébastien Jacques
- Université de Paris, Institut Cochin, INSERM, U1016, CNRS UMR8104, Plateforme Séquençage et Génomique, 75014 Paris, France
| | - Franck Letourneur
- Université de Paris, Institut Cochin, INSERM, U1016, CNRS UMR8104, Plateforme Séquençage et Génomique, 75014 Paris, France
| | - Françoise Pflumio
- Université de Paris and Université Paris-Saclay, INSERM, CEA, UMR Stabilité Génétique Cellules Souches et Radiations, iRCM/IBFJ, LSHL, 92265 Fontenay-aux-Roses, France
| | - Isabelle Allemand
- Université de Paris and Université Paris-Saclay, CEA, UMR Stabilité Génétique Cellules Souches et Radiations, iRCM/IBFJ, Laboratoire des Cellules Souches Germinales, 92265 Fontenay-aux-Roses, France
| | - Catherine Patrat
- UFR Médecine Paris Centre-Université de Paris, 15 rue de l'école de Médecine, 75006 Paris, France; Assistance Publique-Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre, CHU Cochin, Histologie-Embryologie-Biologie de la Reproduction, 75014 Paris, France
| | - Nicolas Thiounn
- Department of urology and transplant surgery, Hôpital européen Georges-Pompidou, AP-HP, Université de Paris, 20 rue Leblanc, 75015 Paris, France
| | - Jean Philippe Wolf
- UFR Médecine Paris Centre-Université de Paris, 15 rue de l'école de Médecine, 75006 Paris, France; Assistance Publique-Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre, CHU Cochin, Histologie-Embryologie-Biologie de la Reproduction, 75014 Paris, France
| | - Lydia Riou
- Université de Paris and Université Paris-Saclay, CEA, UMR Stabilité Génétique Cellules Souches et Radiations, iRCM/IBFJ, Laboratoire des Cellules Souches Germinales, 92265 Fontenay-aux-Roses, France
| | - Virginie Barraud-Lange
- UFR Médecine Paris Centre-Université de Paris, 15 rue de l'école de Médecine, 75006 Paris, France; Assistance Publique-Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre, CHU Cochin, Histologie-Embryologie-Biologie de la Reproduction, 75014 Paris, France
| | - Pierre Fouchet
- Université de Paris and Université Paris-Saclay, CEA, UMR Stabilité Génétique Cellules Souches et Radiations, iRCM/IBFJ, Laboratoire des Cellules Souches Germinales, 92265 Fontenay-aux-Roses, France.
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8
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Coppée R, Mama A, Sarrasin V, Kamaliddin C, Adoux L, Palazzo L, Ndam NT, Letourneur F, Ariey F, Houzé S, Clain J. 5WBF: a low-cost and straightforward whole blood filtration method suitable for whole-genome sequencing of Plasmodium falciparum clinical isolates. Malar J 2022; 21:51. [PMID: 35172825 PMCID: PMC8848818 DOI: 10.1186/s12936-022-04073-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 01/31/2022] [Indexed: 11/21/2022] Open
Abstract
Background Whole-genome sequencing (WGS) is becoming increasingly helpful to assist malaria control programmes. A major drawback of this approach is the large amount of human DNA compared to parasite DNA extracted from unprocessed whole blood. As red blood cells (RBCs) have a diameter of about 7–8 µm and exhibit some deformability, it was hypothesized that cheap and commercially available 5 µm filters might retain leukocytes but much less of Plasmodium falciparum-infected RBCs. This study aimed to test the hypothesis that such a filtration method, named 5WBF (for 5 µm Whole Blood Filtration), may provide highly enriched parasite material suitable for P. falciparum WGS. Methods Whole blood was collected from five patients experiencing a P. falciparum malaria episode (ring-stage parasitaemia range: 0.04–5.5%) and from mock samples obtained by mixing synchronized, ring-stage cultured P. falciparum 3D7 parasites with uninfected human whole blood (final parasitaemia range: 0.02–1.1%). These whole blood samples (50 to 400 µL) were diluted in RPMI 1640 medium or PBS 1× buffer and filtered with a syringe connected to a 5 µm commercial filter. DNA was extracted from 5WBF-treated and unfiltered counterpart blood samples using a commercial kit. The 5WBF method was evaluated on the ratios of parasite:human DNA assessed by qPCR and by sequencing depth and percentages of coverage from WGS data (Illumina NextSeq 500). As a comparison, the popular selective whole-genome amplification (sWGA) method, which does not rely on blood filtration, was applied to the unfiltered counterpart blood samples. Results After applying 5WBF, qPCR indicated an average of twofold loss in the amount of parasite template DNA (Pf ARN18S gene) and from 4096- to 65,536-fold loss of human template DNA (human β actin gene). WGS analyses revealed that > 95% of the parasite nuclear and organellar genomes were all covered at ≥ 10× depth for all samples tested. In sWGA counterparts, the organellar genomes were poorly covered and from 47.7 to 82.1% of the nuclear genome was covered at ≥ 10× depth depending on parasitaemia. Sequence reads were homogeneously distributed across gene sequences for 5WBF-treated samples (n = 5460 genes; mean coverage: 91×; median coverage: 93×; 5th percentile: 70×; 95th percentile: 103×), allowing the identification of gene copy number variations such as for gch1. This later analysis was not possible for sWGA-treated samples, as a much more heterogeneous distribution of reads across gene sequences was observed (mean coverage: 80×; median coverage: 51×; 5th percentile: 7×; 95th percentile: 245×). Conclusions The novel 5WBF leucodepletion method is simple to implement and based on commercially available, standardized 5 µm filters which cost from 1.0 to 1.7€ per unit depending on suppliers. 5WBF permits extensive genome-wide analysis of P. falciparum ring-stage isolates from minute amounts of whole blood even with parasitaemias as low as 0.02%. Supplementary Information The online version contains supplementary material available at 10.1186/s12936-022-04073-1.
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Affiliation(s)
- Romain Coppée
- Université de Paris, IRD, MERIT, 75006, Paris, France. .,Université de Paris, Infection Modelisation Antimicrobial Evolution (IAME), Inserm UMR1137, 75018, Paris, France.
| | - Atikatou Mama
- Université de Paris, IRD, MERIT, 75006, Paris, France
| | - Véronique Sarrasin
- Université de Paris, IRD, MERIT, 75006, Paris, France.,Centre National de Référence du Paludisme, AP-HP, Hôpital Bichat - Claude-Bernard, 75018, Paris, France
| | - Claire Kamaliddin
- Centre National de Référence du Paludisme, AP-HP, Hôpital Bichat - Claude-Bernard, 75018, Paris, France.,Cumming School of Medicine, Pathology and Laboratory Medicine, The University of Calgary, Calgary, AB, Canada
| | - Lucie Adoux
- Cochin Institute, INSERM U1016, UMR CNRS 8104, Genomic Platform, 75014, Paris, France
| | | | | | - Franck Letourneur
- Cochin Institute, INSERM U1016, UMR CNRS 8104, Genomic Platform, 75014, Paris, France
| | - Frédéric Ariey
- Université de Paris, INSERM 1016, Service de Parasitologie-Mycologie Hôpital Cochin, 75014, Paris, France
| | - Sandrine Houzé
- Université de Paris, IRD, MERIT, 75006, Paris, France.,Centre National de Référence du Paludisme, AP-HP, Hôpital Bichat - Claude-Bernard, 75018, Paris, France
| | - Jérôme Clain
- Université de Paris, IRD, MERIT, 75006, Paris, France. .,Centre National de Référence du Paludisme, AP-HP, Hôpital Bichat - Claude-Bernard, 75018, Paris, France.
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9
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Duvivier V, Creusot S, Broux O, Helbert A, Lesage L, Moreau K, Lesueur N, Gerard L, Lemaitre K, Provost N, Hubert EL, Baltauss T, Brzustowski A, De Preville N, Geronimi J, Adoux L, Letourneur F, Hammoutene A, Valla D, Paradis V, Delerive P. Characterization and Pharmacological Validation of a Preclinical Model of NASH in Göttingen Minipigs. J Clin Exp Hepatol 2022; 12:293-305. [PMID: 35535064 PMCID: PMC9077241 DOI: 10.1016/j.jceh.2021.09.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 09/01/2021] [Indexed: 12/12/2022] Open
Abstract
Background Nonalcoholic fatty liver disease (NAFLD) is the leading cause of chronic liver disease, which is associated with features of metabolic syndrome. NAFLD may progress in a subset of patients into nonalcoholic steatohepatitis (NASH) with liver injury resulting ultimately in cirrhosis and potentially hepatocellular carcinoma. Today, there is no approved treatment for NASH due to, at least in part, the lack of preclinical models recapitulating features of human disease. Here, we report the development of a dietary model of NASH in the Göttingen minipig. Methods First, we performed a longitudinal characterization of diet-induced NASH and fibrosis using biochemical, histological, and transcriptional analyses. We then evaluated the pharmacological response to Obeticholic acid (OCA) treatment for 8 weeks at 2.5mg/kg/d, a dose matching its active clinical exposure. Results Serial histological examinations revealed a rapid installation of NASH driven by massive steatosis and inflammation, including evidence of ballooning. Furthermore, we found the progressive development of both perisinusoidal and portal fibrosis reaching fibrotic septa after 6 months of diet. Histological changes were mechanistically supported by well-defined gene signatures identified by RNA Seq analysis. While treatment with OCA was well tolerated throughout the study, it did not improve liver dysfunction nor NASH progression. By contrast, OCA treatment resulted in a significant reduction in diet-induced fibrosis in this model. Conclusions These results, taken together, indicate that the diet-induced NASH in the Göttingen minipig recapitulates most of the features of human NASH and may be a model with improved translational value to prioritize drug candidates toward clinical development.
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Affiliation(s)
- Valérie Duvivier
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
| | - Stéphanie Creusot
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
| | - Olivier Broux
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
| | - Aurélie Helbert
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
| | - Ludovic Lesage
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
| | - Kevin Moreau
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
| | - Nicolas Lesueur
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
| | - Lindsay Gerard
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
| | - Karine Lemaitre
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
| | - Nicolas Provost
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
| | - Edwige-Ludiwyne Hubert
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
| | - Tania Baltauss
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
| | | | - Nathalie De Preville
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
| | - Julia Geronimi
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
| | - Lucie Adoux
- GenomIC Université de Paris, Institut Cochin, INSERM, CNRS, Paris, F-75014, France
| | - Franck Letourneur
- GenomIC Université de Paris, Institut Cochin, INSERM, CNRS, Paris, F-75014, France
| | - Adel Hammoutene
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
- Pathology Department, Hôpital Beaujon, Paris, France
| | - Dominique Valla
- Université de Paris, AP-HP, Hôpital Beaujon, Service D'Hépatologie, DMU DIGEST, Centre de Référence des Maladies Vasculaires Du Foie, FILFOIE, ERN RARE-LIVER, Centre de Recherche sur L'inflammation, Inserm, UMR, Paris, 1149, France
| | | | - Philippe Delerive
- Cardiovascular and Metabolic Diseases Research, Institut de Recherches Servier, Suresnes, France
- Address for correspondence. Philippe Delerive, Cardiovascular and Metabolic Diseases, Institut de Recherches Servier, 11 rue des Moulineaux, Suresnes, 92150, France.
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10
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Jouhault Q, Cherqaoui B, Jobart-Malfait A, Glatigny S, Lauraine M, Hulot A, Morelle G, Hagege B, Ermoza K, El Marjou A, Izac B, Saintpierre B, Letourneur F, Rémy S, Anegon I, Boissier MC, Chiocchia G, Breban M, Araujo LM. Interleukin 27 is a novel cytokine with anti-inflammatory effects against spondyloarthritis through the suppression of Th17 responses. Front Immunol 2022; 13:1072420. [PMID: 36818477 PMCID: PMC9933703 DOI: 10.3389/fimmu.2022.1072420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 12/19/2022] [Indexed: 02/05/2023] Open
Abstract
Introduction Spondylarthritis (SpA) development in HLA-B27/human β2-microglobulin transgenic rat (B27-rat) is correlated with altered conventional dendritic cell (cDC) function that promotes an inflammatory pattern of CD4+T cells, including a biased expansion of pro-inflammatory Th17 population and imbalance of regulatory T cells cytokine profile. Transcriptomic analysis revealed that cDCs from B27-rats under express IL-27, an anti-inflammatory cytokine which induces the differentiation of IL-10+ regulatory T cells and inhibits Th17 cells. Methods Here, we first investigated whether in vitro addition of exogenous IL-27 could reverse the inflammatory pattern observed in CD4+ T cells. Next, we performed preclinical assay using IL-27 to investigate whether in vivo treatment could prevent SpA development in B27-rats. Results in vitro addition of IL-27 to cocultures of cDCs and CD4+ T cell subsets from B27-rats reduced IL-17 and enhanced IL-10 production by T cells. Likewise, IL-27 inhibited the production of IL-17 by CD4+ T cells from SpA patients. Interestingly, in vivo treatment with recombinant IL-27 starting before SpA onset, inhibited SpA development in B27-rats through the suppression of IL-17/TNF producing CD4+ T cells. Discussion Overall, our results reveal a potent inhibitory effect of IL-27 and highlight this cytokine as a promising new therapeutic target in SpA, especially for SpA patients non responders to currently approved biotherapies.
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Affiliation(s)
- Quentin Jouhault
- Infection & Inflammation, UMR 1173, Inserm, UVSQ/Université Paris Saclay, Montigny-le-Bretonneux, France.,Laboratoire d'Excellence Inflamex, Université Paris-Centre, Paris, France
| | - Bilade Cherqaoui
- Infection & Inflammation, UMR 1173, Inserm, UVSQ/Université Paris Saclay, Montigny-le-Bretonneux, France.,Laboratoire d'Excellence Inflamex, Université Paris-Centre, Paris, France
| | - Aude Jobart-Malfait
- Infection & Inflammation, UMR 1173, Inserm, UVSQ/Université Paris Saclay, Montigny-le-Bretonneux, France.,Laboratoire d'Excellence Inflamex, Université Paris-Centre, Paris, France
| | - Simon Glatigny
- Infection & Inflammation, UMR 1173, Inserm, UVSQ/Université Paris Saclay, Montigny-le-Bretonneux, France.,Laboratoire d'Excellence Inflamex, Université Paris-Centre, Paris, France
| | - Marc Lauraine
- Infection & Inflammation, UMR 1173, Inserm, UVSQ/Université Paris Saclay, Montigny-le-Bretonneux, France.,Laboratoire d'Excellence Inflamex, Université Paris-Centre, Paris, France
| | - Audrey Hulot
- Infection & Inflammation, UMR 1173, Inserm, UVSQ/Université Paris Saclay, Montigny-le-Bretonneux, France.,Laboratoire d'Excellence Inflamex, Université Paris-Centre, Paris, France
| | - Guillaume Morelle
- Infection & Inflammation, UMR 1173, Inserm, UVSQ/Université Paris Saclay, Montigny-le-Bretonneux, France.,Laboratoire d'Excellence Inflamex, Université Paris-Centre, Paris, France
| | - Benjamin Hagege
- Infection & Inflammation, UMR 1173, Inserm, UVSQ/Université Paris Saclay, Montigny-le-Bretonneux, France.,Laboratoire d'Excellence Inflamex, Université Paris-Centre, Paris, France
| | - Kétia Ermoza
- Infection & Inflammation, UMR 1173, Inserm, UVSQ/Université Paris Saclay, Montigny-le-Bretonneux, France.,Laboratoire d'Excellence Inflamex, Université Paris-Centre, Paris, France
| | - Ahmed El Marjou
- Plateforme de production d'anticorps et de protéines recombinantes-Institut Curie/CNRS UMR144, Paris, France
| | - Brigitte Izac
- Plateforme GenomIC- Université de Paris, Institut Cochin, INSERM-CNRS, Paris, France
| | - Benjamin Saintpierre
- Plateforme GenomIC- Université de Paris, Institut Cochin, INSERM-CNRS, Paris, France
| | - Franck Letourneur
- Plateforme GenomIC- Université de Paris, Institut Cochin, INSERM-CNRS, Paris, France
| | - Séverine Rémy
- Platform Transgenic Rats and ImmunoPhenomics, INSERM UMR 1064-CRTI, Nantes, France
| | - Ignacio Anegon
- Platform Transgenic Rats and ImmunoPhenomics, INSERM UMR 1064-CRTI, Nantes, France
| | - Marie-Christophe Boissier
- Inserm UMR1125-Université Sorbonne Paris Nord, Rheumatology Division, Avicenne Hospital (AP-HP), Bobigny, France
| | - Gilles Chiocchia
- Infection & Inflammation, UMR 1173, Inserm, UVSQ/Université Paris Saclay, Montigny-le-Bretonneux, France.,Laboratoire d'Excellence Inflamex, Université Paris-Centre, Paris, France.,Haematology-Immunology Division, Ambroise Paré Hospital (AP-HP), Boulogne-Billancourt, France
| | - Maxime Breban
- Infection & Inflammation, UMR 1173, Inserm, UVSQ/Université Paris Saclay, Montigny-le-Bretonneux, France.,Laboratoire d'Excellence Inflamex, Université Paris-Centre, Paris, France.,Rheumatology Division, Ambroise Paré Hospital (AP-HP), Boulogne-Billancourt, France
| | - Luiza M Araujo
- Infection & Inflammation, UMR 1173, Inserm, UVSQ/Université Paris Saclay, Montigny-le-Bretonneux, France.,Laboratoire d'Excellence Inflamex, Université Paris-Centre, Paris, France
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11
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Luce S, Guinoiseau S, Gadault A, Letourneur F, Nitschke P, Bras M, Vidaud M, Charneau P, Larger E, Colli ML, Eizirik DL, Lemonnier F, Boitard C. A Humanized Mouse Strain That Develops Spontaneously Immune-Mediated Diabetes. Front Immunol 2021; 12:748679. [PMID: 34721418 PMCID: PMC8551915 DOI: 10.3389/fimmu.2021.748679] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 09/22/2021] [Indexed: 12/03/2022] Open
Abstract
To circumvent the limitations of available preclinical models for the study of type 1 diabetes (T1D), we developed a new humanized model, the YES-RIP-hB7.1 mouse. This mouse is deficient of murine major histocompatibility complex class I and class II, the murine insulin genes, and expresses as transgenes the HLA-A*02:01 allele, the diabetes high-susceptibility HLA-DQ8A and B alleles, the human insulin gene, and the human co-stimulatory molecule B7.1 in insulin-secreting cells. It develops spontaneous T1D along with CD4+ and CD8+ T-cell responses to human preproinsulin epitopes. Most of the responses identified in these mice were validated in T1D patients. This model is amenable to characterization of hPPI-specific epitopes involved in T1D and to the identification of factors that may trigger autoimmune response to insulin-secreting cells in human T1D. It will allow evaluating peptide-based immunotherapy that may directly apply to T1D in human and complete preclinical model availability to address the issue of clinical heterogeneity of human disease.
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Affiliation(s)
- Sandrine Luce
- Laboratory Immunology of Diabetes, INSERMU1016, Department EMD, Cochin Institute, Paris, France.,Medical Faculty, Paris University, Paris, France
| | - Sophie Guinoiseau
- Laboratory Immunology of Diabetes, INSERMU1016, Department EMD, Cochin Institute, Paris, France.,Medical Faculty, Paris University, Paris, France
| | - Alexis Gadault
- Laboratory Immunology of Diabetes, INSERMU1016, Department EMD, Cochin Institute, Paris, France.,Medical Faculty, Paris University, Paris, France
| | - Franck Letourneur
- Laboratory Immunology of Diabetes, INSERMU1016, Department EMD, Cochin Institute, Paris, France
| | | | - Marc Bras
- Medical Faculty, Paris University, Paris, France
| | - Michel Vidaud
- Biochemistry and Molecular Genetics Department, Cochin Hospital, Paris, France
| | - Pierre Charneau
- Molecular Virology and Vaccinology, Pasteur Institute, Paris, France
| | - Etienne Larger
- Laboratory Immunology of Diabetes, INSERMU1016, Department EMD, Cochin Institute, Paris, France.,Diabetology Department, Cochin Hospital, Paris, France
| | - Maikel L Colli
- Université Libre de Bruxelles (ULB) Center for Diabetes Research, Medical Faculty, Université Libre de Bruxelles, Brussels, Belgium
| | - Decio L Eizirik
- Université Libre de Bruxelles (ULB) Center for Diabetes Research, Medical Faculty, Université Libre de Bruxelles, Brussels, Belgium.,Diabetes Center, Indiana Biosciences Research Institute (IBRI), Indianapolis, IN, United States
| | - François Lemonnier
- Laboratory Immunology of Diabetes, INSERMU1016, Department EMD, Cochin Institute, Paris, France.,Medical Faculty, Paris University, Paris, France
| | - Christian Boitard
- Laboratory Immunology of Diabetes, INSERMU1016, Department EMD, Cochin Institute, Paris, France.,Medical Faculty, Paris University, Paris, France.,Diabetology Department, Cochin Hospital, Paris, France
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12
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Paillet J, Plantureux C, Lévesque S, Le Naour J, Stoll G, Sauvat A, Caudana P, Tosello Boari J, Bloy N, Lachkar S, Martins I, Opolon P, Checcoli A, Delaune A, Robil N, de la Grange P, Hamroune J, Letourneur F, Autret G, Leung PS, Gershwin ME, Zhu JS, Kurth MJ, Lekbaby B, Augustin J, Kim Y, Gujar S, Coulouarn C, Fouassier L, Zitvogel L, Piaggio E, Housset C, Soussan P, Maiuri MC, Kroemer G, Pol JG. Autoimmunity affecting the biliary tract fuels the immunosurveillance of cholangiocarcinoma. J Exp Med 2021; 218:e20200853. [PMID: 34495298 PMCID: PMC8429038 DOI: 10.1084/jem.20200853] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 06/17/2021] [Accepted: 08/09/2021] [Indexed: 12/12/2022] Open
Abstract
Cholangiocarcinoma (CCA) results from the malignant transformation of cholangiocytes. Primary sclerosing cholangitis (PSC) and primary biliary cholangitis (PBC) are chronic diseases in which cholangiocytes are primarily damaged. Although PSC is an inflammatory condition predisposing to CCA, CCA is almost never found in the autoimmune context of PBC. Here, we hypothesized that PBC might favor CCA immunosurveillance. In preclinical murine models of cholangitis challenged with syngeneic CCA, PBC (but not PSC) reduced the frequency of CCA development and delayed tumor growth kinetics. This PBC-related effect appeared specific to CCA as it was not observed against other cancers, including hepatocellular carcinoma. The protective effect of PBC was relying on type 1 and type 2 T cell responses and, to a lesser extent, on B cells. Single-cell TCR/RNA sequencing revealed the existence of TCR clonotypes shared between the liver and CCA tumor of a PBC host. Altogether, these results evidence a mechanistic overlapping between autoimmunity and cancer immunosurveillance in the biliary tract.
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Affiliation(s)
- Juliette Paillet
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Institut National de la Santé et de la Recherche Médicale U1138, Université de Paris, Sorbonne Université, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, Villejuif, France
- Université Paris-Saclay, Faculté de Médecine, Kremlin-Bicêtre, France
| | - Céleste Plantureux
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Institut National de la Santé et de la Recherche Médicale U1138, Université de Paris, Sorbonne Université, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, Villejuif, France
- Université Paris-Saclay, Faculté de Médecine, Kremlin-Bicêtre, France
| | - Sarah Lévesque
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Institut National de la Santé et de la Recherche Médicale U1138, Université de Paris, Sorbonne Université, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, Villejuif, France
- Université Paris-Saclay, Faculté de Médecine, Kremlin-Bicêtre, France
| | - Julie Le Naour
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Institut National de la Santé et de la Recherche Médicale U1138, Université de Paris, Sorbonne Université, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, Villejuif, France
- Université Paris-Saclay, Faculté de Médecine, Kremlin-Bicêtre, France
| | - Gautier Stoll
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Institut National de la Santé et de la Recherche Médicale U1138, Université de Paris, Sorbonne Université, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, Villejuif, France
| | - Allan Sauvat
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Institut National de la Santé et de la Recherche Médicale U1138, Université de Paris, Sorbonne Université, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, Villejuif, France
| | - Pamela Caudana
- Institut Curie, Paris Sciences et Lettres Research University, Institut National de la Santé et de la Recherche Médicale U932, Paris, France
| | - Jimena Tosello Boari
- Institut Curie, Paris Sciences et Lettres Research University, Institut National de la Santé et de la Recherche Médicale U932, Paris, France
| | - Norma Bloy
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Institut National de la Santé et de la Recherche Médicale U1138, Université de Paris, Sorbonne Université, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, Villejuif, France
- Université Paris-Saclay, Faculté de Médecine, Kremlin-Bicêtre, France
| | - Sylvie Lachkar
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Institut National de la Santé et de la Recherche Médicale U1138, Université de Paris, Sorbonne Université, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, Villejuif, France
| | - Isabelle Martins
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Institut National de la Santé et de la Recherche Médicale U1138, Université de Paris, Sorbonne Université, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, Villejuif, France
| | | | - Andrea Checcoli
- Institut Curie, Paris Sciences et Lettres Research University, Paris, France
- Institut National de la Santé et de la Recherche Médicale U900, Paris, France
| | | | | | | | - Juliette Hamroune
- Institut National de la Santé et de la Recherche Médicale U1016, Institut Cochin, Paris, France
| | - Franck Letourneur
- Institut National de la Santé et de la Recherche Médicale U1016, Institut Cochin, Paris, France
| | - Gwennhael Autret
- Université de Paris, Paris Cardiovascular Research Centre, Institut National de la Santé et de la Recherche Médicale U970, Paris, France
| | - Patrick S.C. Leung
- Division of Rheumatology/Allergy and Clinical Immunology, University of California, Davis School of Medicine, Davis, CA
| | - M. Eric Gershwin
- Division of Rheumatology/Allergy and Clinical Immunology, University of California, Davis School of Medicine, Davis, CA
| | - Jie S. Zhu
- Department of Chemistry, University of California, Davis, Davis, CA
| | - Mark J. Kurth
- Department of Chemistry, University of California, Davis, Davis, CA
| | - Bouchra Lekbaby
- Institut National de la Santé et de la Recherche Médicale U938, Centre de Recherche Saint-Antoine, Sorbonne Université, Paris, France
| | - Jérémy Augustin
- Institut National de la Santé et de la Recherche Médicale U938, Centre de Recherche Saint-Antoine, Sorbonne Université, Assistance Publique-Hôpitaux de Paris, Hôpital Henri-Mondor, Département de Pathologie, Paris, France
| | - Youra Kim
- Department of Pathology, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Shashi Gujar
- Department of Pathology, Dalhousie University, Halifax, Nova Scotia, Canada
- Department of Microbiology and Immunology, Dalhousie University, Halifax, Nova Scotia, Canada
- Beatrice Hunter Cancer Research Institute, Halifax, Nova Scotia, Canada
- Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Cédric Coulouarn
- Institut National de la Santé et de la Recherche Médicale, Université de Rennes 1, Chemistry, Oncogenesis Stress Signaling, UMR_S 1242, Centre de Lutte contre le Cancer Eugène Marquis, Rennes, France
| | - Laura Fouassier
- Institut National de la Santé et de la Recherche Médicale U938, Centre de Recherche Saint-Antoine, Sorbonne Université, Paris, France
| | - Laurence Zitvogel
- Institut National de la Santé et de la Recherche Médicale U1015, Université Paris-Saclay, Gustave Roussy Cancer Campus, Villejuif, France
| | - Eliane Piaggio
- Centre d'Investigation Clinique Biothérapie 1428, Institut Curie, Paris, France
| | - Chantal Housset
- Institut National de la Santé et de la Recherche Médicale U938, Centre de Recherche Saint-Antoine, Sorbonne Université, Paris, France
- Assistance Publique-Hôpitaux de Paris, Reference Center for Inflammatory Biliary Diseases and Autoimmune Hepatitis, Department of Hepatology, Saint-Antoine Hospital, Paris, France
| | - Patrick Soussan
- Institut National de la Santé et de la Recherche Médicale U938, Centre de Recherche Saint-Antoine, Sorbonne Université, Paris, France
| | - Maria Chiara Maiuri
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Institut National de la Santé et de la Recherche Médicale U1138, Université de Paris, Sorbonne Université, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, Villejuif, France
| | - Guido Kroemer
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Institut National de la Santé et de la Recherche Médicale U1138, Université de Paris, Sorbonne Université, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, Villejuif, France
- Institut Universitaire de France, Paris, France
- Pôle de Biologie, Hôpital Européen Georges Pompidou, Assistance Publique-Hôpitaux de Paris, Paris, France
- Suzhou Institute for Systems Medicine, Chinese Academy of Medical Sciences, Suzhou, China
- Karolinska Institute, Department of Women's and Children's Health, Karolinska University Hospital, Stockholm, Sweden
| | - Jonathan G. Pol
- Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, Institut National de la Santé et de la Recherche Médicale U1138, Université de Paris, Sorbonne Université, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, Villejuif, France
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13
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Jarysta A, Riou L, Firlej V, Lapoujade C, Kortulewski T, Barroca V, Gille AS, Dumont F, Jacques S, Letourneur F, Rosselli F, Allemand I, Fouchet P. Abnormal migration behavior linked to Rac1 signaling contributes to primordial germ cell exhaustion in Fanconi anemia pathway-deficient Fancg-/- embryos. Hum Mol Genet 2021; 31:97-110. [PMID: 34368842 PMCID: PMC8682768 DOI: 10.1093/hmg/ddab222] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 06/04/2021] [Accepted: 07/05/2021] [Indexed: 11/16/2022] Open
Abstract
Fanconi anemia (FA) is a rare human genetic disorder characterized by bone marrow failure, predisposition to cancer and developmental defects including hypogonadism. Reproductive defects leading to germ cell aplasia are the most consistent phenotypes seen in FA mouse models. We examined the role of the nuclear FA core complex gene Fancg in the development of primordial germ cells (PGCs), the embryonic precursors of adult gametes, during fetal development. PGC maintenance was severely impaired in Fancg−/− embryos. We observed a defect in the number of PGCs starting at E9.5 and a strong attrition at E11.5 and E13.5. Remarkably, we observed a mosaic pattern reflecting a portion of testicular cords devoid of PGCs in E13.5 fetal gonads. Our in vitro and in vivo data highlight a potential role of Fancg in the proliferation and in the intrinsic cell motility abilities of PGCs. The random migratory process is abnormally activated in Fancg−/− PGCs, altering the migration of cells. Increased cell death and PGC attrition observed in E11.5 Fancg−/− embryos are features consistent with delayed migration of PGCs along the migratory pathway to the genital ridges. Moreover, we show that an inhibitor of RAC1 mitigates the abnormal migratory pattern observed in Fancg−/− PGCs.
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Affiliation(s)
- Amandine Jarysta
- Université de Paris and Université Paris-Saclay, iRCM/IBFJ CEA, UMR Stabilité Génétique Cellules Souches et Radiations, Laboratoire des Cellules Souches Germinales, F-92265, Fontenay-aux-Roses, France
| | - Lydia Riou
- Université de Paris and Université Paris-Saclay, iRCM/IBFJ CEA, UMR Stabilité Génétique Cellules Souches et Radiations, Laboratoire des Cellules Souches Germinales, F-92265, Fontenay-aux-Roses, France
| | - Virginie Firlej
- Université de Paris and Université Paris-Saclay, iRCM/IBFJ CEA, UMR Stabilité Génétique Cellules Souches et Radiations, Laboratoire des Cellules Souches Germinales, F-92265, Fontenay-aux-Roses, France
| | - Clémentine Lapoujade
- Université de Paris and Université Paris-Saclay, iRCM/IBFJ CEA, UMR Stabilité Génétique Cellules Souches et Radiations, Laboratoire des Cellules Souches Germinales, F-92265, Fontenay-aux-Roses, France
| | - Thierry Kortulewski
- Université de Paris and Université Paris-Saclay, Inserm, iRCM/IBFJ CEA, UMR Stabilité Génétique Cellules Souches et Radiations, Laboratoire de RadioPathologie, F-92265, Fontenay-aux-Roses, France
| | - Vilma Barroca
- Université de Paris and Université Paris-Saclay, Inserm, iRCM/IBFJ CEA, UMR Stabilité Génétique Cellules Souches et Radiations, F-92265, Fontenay-aux-Roses, France
| | - Anne-Sophie Gille
- Université de Paris and Université Paris-Saclay, iRCM/IBFJ CEA, UMR Stabilité Génétique Cellules Souches et Radiations, Laboratoire des Cellules Souches Germinales, F-92265, Fontenay-aux-Roses, France.,Département de Génétique, Développement et Cancer. Team From Gametes to Birth, Institut Cochin, INSERM U1016, Paris, France
| | - Florent Dumont
- Université Paris Saclay, UMS IPSIT, F-92296, Châtenay-Malabry, France
| | - Sébastien Jacques
- Plate-Forme Séquençage et Génomique, Institut Cochin, Inserm U1016, Université de Paris, 22 rue Méchain, 75014 Paris, France
| | - Franck Letourneur
- Plate-Forme Séquençage et Génomique, Institut Cochin, Inserm U1016, Université de Paris, 22 rue Méchain, 75014 Paris, France
| | - Filippo Rosselli
- CNRS-UMR9019, Intégrité du Génome et Cancers, Equipe Labellisée « La Ligue Contre Le cancer », Gustave Roussy Cancer Center, Université Paris-Saclay, 94805 Villejuif, France
| | - Isabelle Allemand
- Université de Paris and Université Paris-Saclay, iRCM/IBFJ CEA, UMR Stabilité Génétique Cellules Souches et Radiations, Laboratoire des Cellules Souches Germinales, F-92265, Fontenay-aux-Roses, France
| | - Pierre Fouchet
- Université de Paris and Université Paris-Saclay, iRCM/IBFJ CEA, UMR Stabilité Génétique Cellules Souches et Radiations, Laboratoire des Cellules Souches Germinales, F-92265, Fontenay-aux-Roses, France
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14
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Jellali R, Jacques S, Essaouiba A, Gilard F, Letourneur F, Gakière B, Legallais C, Leclerc E. Investigation of steatosis profiles induced by pesticides using liver organ-on-chip model and omics analysis. Food Chem Toxicol 2021; 152:112155. [PMID: 33775782 DOI: 10.1016/j.fct.2021.112155] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 03/08/2021] [Accepted: 03/19/2021] [Indexed: 11/17/2022]
Abstract
Several studies have reported a correlation between pesticides exposure and metabolic disorders. Dichlorodiphenyltrichloroethane (DDT) and permethrin (PMT), two pesticides highly prevalent in the environment, have been associated to dysregulation of liver lipids and glucose metabolisms and non-alcoholic fatty liver disease (NAFLD). However, the effects of DDT/PMT mixtures and mechanisms mediating their action remain unclear. Here, we used multi-omic to investigate the liver damage induced by DDT, PMT and their mixture in rat liver organ-on-chip. Organ-on-chip allow the reproduction of in vivo-like micro-environment. Two concentrations, 15 and 150 μM, were used to expose the hepatocytes for 24 h under perfusion. The transcriptome and metabolome analysis suggested a dose-dependent effect for all conditions, with a profile close to control for pesticides low-doses. The comparison between control and high-doses detected 266/24, 256/24 and 1349/30 genes/metabolites differentially expressed for DDT150, PMT150 and Mix150 (DDT150/PMT150). Transcriptome modulation reflected liver inflammation, steatosis, necrosis, PPAR signaling and fatty acid metabolism. The metabolome analysis highlighted common signature of three treatments including lipid and carbohydrates production, and a decrease in amino acids and krebs cycle intermediates. Our study illustrates the potential of organ-on-chip coupled to multi-omics for toxicological studies and provides new tools for chemical risk assessment.
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Affiliation(s)
- Rachid Jellali
- Université de Technologie de Compiègne, CNRS, Biomechanics and Bioengineering, Centre de Recherche Royallieu CS 60319, 60203, Compiègne Cedex, France.
| | - Sebastien Jacques
- Université de Paris, Institut Cochin, INSERM, CNRS, F-75014, PARIS, France
| | - Amal Essaouiba
- Université de Technologie de Compiègne, CNRS, Biomechanics and Bioengineering, Centre de Recherche Royallieu CS 60319, 60203, Compiègne Cedex, France
| | - Françoise Gilard
- Plateforme Métabolisme Métabolome, Institute of Plant Sciences Paris-Saclay (IPS2), CNRS, INRA, Univ. Paris-Sud, Univ. Evry, Univ. Paris-Diderot, Univ. Paris Saclay, Bâtiment 630 Rue Noetzlin, 91192, Gif-sur-Yvette Cedex, France
| | - Franck Letourneur
- Université de Paris, Institut Cochin, INSERM, CNRS, F-75014, PARIS, France
| | - Bertrand Gakière
- Plateforme Métabolisme Métabolome, Institute of Plant Sciences Paris-Saclay (IPS2), CNRS, INRA, Univ. Paris-Sud, Univ. Evry, Univ. Paris-Diderot, Univ. Paris Saclay, Bâtiment 630 Rue Noetzlin, 91192, Gif-sur-Yvette Cedex, France
| | - Cécile Legallais
- Université de Technologie de Compiègne, CNRS, Biomechanics and Bioengineering, Centre de Recherche Royallieu CS 60319, 60203, Compiègne Cedex, France
| | - Eric Leclerc
- Université de Technologie de Compiègne, CNRS, Biomechanics and Bioengineering, Centre de Recherche Royallieu CS 60319, 60203, Compiègne Cedex, France.
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15
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Cheeseman K, Jannot G, Lourenço N, Villares M, Berthelet J, Calegari-Silva T, Hamroune J, Letourneur F, Rodrigues-Lima F, Weitzman JB. Dynamic methylation of histone H3K18 in differentiating Theileria parasites. Nat Commun 2021; 12:3221. [PMID: 34050145 PMCID: PMC8163883 DOI: 10.1038/s41467-021-23477-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 04/14/2021] [Indexed: 12/31/2022] Open
Abstract
Lysine methylation on histone tails impacts genome regulation and cell fate determination in many developmental processes. Apicomplexa intracellular parasites cause major diseases and they have developed complex life cycles with fine-tuned differentiation events. Yet, apicomplexa genomes have few transcription factors and little is known about their epigenetic control systems. Tick-borne Theileria apicomplexa species have relatively small, compact genomes and a remarkable ability to transform leucocytes in their bovine hosts. Here we report enriched H3 lysine 18 monomethylation (H3K18me1) on the gene bodies of repressed genes in Theileria macroschizonts. Differentiation to merozoites (merogony) leads to decreased H3K18me1 in parasite nuclei. Pharmacological manipulation of H3K18 acetylation or methylation impacted parasite differentiation and expression of stage-specific genes. Finally, we identify a parasite SET-domain methyltransferase (TaSETup1) that can methylate H3K18 and represses gene expression. Thus, H3K18me1 emerges as an important epigenetic mark which controls gene expression and stage differentiation in Theileria parasites.
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Affiliation(s)
- Kevin Cheeseman
- Université de Paris, Epigenetics and Cell Fate, CNRS, Paris, France
| | - Guillaume Jannot
- Université de Paris, Epigenetics and Cell Fate, CNRS, Paris, France
| | - Nelly Lourenço
- Université de Paris, Epigenetics and Cell Fate, CNRS, Paris, France
| | - Marie Villares
- Université de Paris, Epigenetics and Cell Fate, CNRS, Paris, France
| | - Jérémy Berthelet
- Université de Paris, Epigenetics and Cell Fate, CNRS, Paris, France.,Université de Paris, Functional and Adaptive Biology, CNRS, Paris, France
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16
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Flament H, Rouland M, Beaudoin L, Toubal A, Bertrand L, Lebourgeois S, Rousseau C, Soulard P, Gouda Z, Cagninacci L, Monteiro AC, Hurtado-Nedelec M, Luce S, Bailly K, Andrieu M, Saintpierre B, Letourneur F, Jouan Y, Si-Tahar M, Baranek T, Paget C, Boitard C, Vallet-Pichard A, Gautier JF, Ajzenberg N, Terrier B, Pène F, Ghosn J, Lescure X, Yazdanpanah Y, Visseaux B, Descamps D, Timsit JF, Monteiro RC, Lehuen A. Outcome of SARS-CoV-2 infection is linked to MAIT cell activation and cytotoxicity. Nat Immunol 2021; 22:322-335. [PMID: 33531712 DOI: 10.1038/s41590-021-00870-z] [Citation(s) in RCA: 121] [Impact Index Per Article: 40.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 01/11/2021] [Indexed: 01/30/2023]
Abstract
Immune system dysfunction is paramount in coronavirus disease 2019 (COVID-19) severity and fatality rate. Mucosal-associated invariant T (MAIT) cells are innate-like T cells involved in mucosal immunity and protection against viral infections. Here, we studied the immune cell landscape, with emphasis on MAIT cells, in cohorts totaling 208 patients with various stages of disease. MAIT cell frequency is strongly reduced in blood. They display a strong activated and cytotoxic phenotype that is more pronounced in lungs. Blood MAIT cell alterations positively correlate with the activation of other innate cells, proinflammatory cytokines, notably interleukin (IL)-18, and with the severity and mortality of severe acute respiratory syndrome coronavirus 2 infection. We also identified a monocyte/macrophage interferon (IFN)-α-IL-18 cytokine shift and the ability of infected macrophages to induce the cytotoxicity of MAIT cells in an MR1-dependent manner. Together, our results suggest that altered MAIT cell functions due to IFN-α-IL-18 imbalance contribute to disease severity, and their therapeutic manipulation may prevent deleterious inflammation in COVID-19 aggravation.
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Affiliation(s)
- Héloïse Flament
- Laboratory of Immunological Dysfunction, Assistance Publique-Hôpitaux de Paris (AP-HP), Bichat-Claude Bernard University Hospital, Paris, France.,Université de Paris, Center for Research on Inflammation, Inserm U1149 & CNRS ERL8252, Inflamex Laboratory, Paris, France
| | - Matthieu Rouland
- Université de Paris, Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique UMR 8104, Inflamex Laboratory, Paris, France
| | - Lucie Beaudoin
- Université de Paris, Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique UMR 8104, Inflamex Laboratory, Paris, France
| | - Amine Toubal
- Université de Paris, Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique UMR 8104, Inflamex Laboratory, Paris, France
| | - Léo Bertrand
- Université de Paris, Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique UMR 8104, Inflamex Laboratory, Paris, France
| | - Samuel Lebourgeois
- Department of Virology, AP-HP, Bichat-Claude Bernard University Hospital, Paris, France.,Université de Paris, Infections Antimicrobials Modelling Evolution UMR 1137, Paris, France
| | - Camille Rousseau
- Université de Paris, Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique UMR 8104, Inflamex Laboratory, Paris, France
| | - Pauline Soulard
- Université de Paris, Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique UMR 8104, Inflamex Laboratory, Paris, France
| | - Zouriatou Gouda
- Université de Paris, Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique UMR 8104, Inflamex Laboratory, Paris, France
| | - Lucie Cagninacci
- Université de Paris, Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique UMR 8104, Inflamex Laboratory, Paris, France
| | - Antoine C Monteiro
- Department of Virology, AP-HP, Bichat-Claude Bernard University Hospital, Paris, France.,Université de Paris, Infections Antimicrobials Modelling Evolution UMR 1137, Paris, France
| | - Margarita Hurtado-Nedelec
- Laboratory of Immunological Dysfunction, Assistance Publique-Hôpitaux de Paris (AP-HP), Bichat-Claude Bernard University Hospital, Paris, France.,Université de Paris, Center for Research on Inflammation, Inserm U1149 & CNRS ERL8252, Inflamex Laboratory, Paris, France
| | - Sandrine Luce
- Université de Paris, Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique UMR 8104, Inflamex Laboratory, Paris, France
| | - Karine Bailly
- Université de Paris, Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique UMR 8104, Inflamex Laboratory, Paris, France
| | - Muriel Andrieu
- Université de Paris, Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique UMR 8104, Inflamex Laboratory, Paris, France
| | - Benjamin Saintpierre
- Université de Paris, Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique UMR 8104, Inflamex Laboratory, Paris, France
| | - Franck Letourneur
- Université de Paris, Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique UMR 8104, Inflamex Laboratory, Paris, France
| | - Youenn Jouan
- Université de Tours, Inserm, Centre d'Etude des Pathologies Respiratoires UMR 1100, Tours, France.,Intensive Care Medical Unit, Tours Regional University Hospital, Tours, France
| | - Mustapha Si-Tahar
- Université de Tours, Inserm, Centre d'Etude des Pathologies Respiratoires UMR 1100, Tours, France
| | - Thomas Baranek
- Université de Tours, Inserm, Centre d'Etude des Pathologies Respiratoires UMR 1100, Tours, France
| | - Christophe Paget
- Université de Tours, Inserm, Centre d'Etude des Pathologies Respiratoires UMR 1100, Tours, France
| | - Christian Boitard
- Université de Paris, Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique UMR 8104, Inflamex Laboratory, Paris, France.,Department of Diabetology, AP-HP, Cochin University Hospital, Paris, France
| | - Anaïs Vallet-Pichard
- Université de Paris, Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique UMR 8104, Inflamex Laboratory, Paris, France.,Department of Hepatology, AP-HP, Cochin University Hospital, Paris, France
| | - Jean-François Gautier
- Department of Diabetes and Endocrinology, AP-HP, Lariboisière Hospital, Paris, France
| | - Nadine Ajzenberg
- Department of Hematology, AP-HP, Bichat-Claude Bernard University Hospital, Paris, France.,Université de Paris, LVTS, Inserm, Paris, France
| | - Benjamin Terrier
- Department of Internal Medicine, AP-HP, Cochin University Hospital, Paris, France
| | - Frédéric Pène
- Université de Paris, Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique UMR 8104, Inflamex Laboratory, Paris, France.,Medical Intensive Care Unit, AP-HP, Cochin University Hospital, Paris, France
| | - Jade Ghosn
- Université de Paris, Infections Antimicrobials Modelling Evolution UMR 1137, Paris, France.,Department of Infectious and Tropical Diseases, AP-HP, Bichat-Claude Bernard University Hospital, Paris, France
| | - Xavier Lescure
- Université de Paris, Infections Antimicrobials Modelling Evolution UMR 1137, Paris, France.,Department of Infectious and Tropical Diseases, AP-HP, Bichat-Claude Bernard University Hospital, Paris, France
| | - Yazdan Yazdanpanah
- Université de Paris, Infections Antimicrobials Modelling Evolution UMR 1137, Paris, France.,Department of Infectious and Tropical Diseases, AP-HP, Bichat-Claude Bernard University Hospital, Paris, France
| | - Benoit Visseaux
- Department of Virology, AP-HP, Bichat-Claude Bernard University Hospital, Paris, France.,Université de Paris, Infections Antimicrobials Modelling Evolution UMR 1137, Paris, France
| | - Diane Descamps
- Department of Virology, AP-HP, Bichat-Claude Bernard University Hospital, Paris, France.,Université de Paris, Infections Antimicrobials Modelling Evolution UMR 1137, Paris, France
| | - Jean-François Timsit
- Université de Paris, Infections Antimicrobials Modelling Evolution UMR 1137, Paris, France.,Medical and Infectious Diseases Intensive Care Unit, AP-HP, Bichat-Claude Bernard University Hospital, Paris, France
| | - Renato C Monteiro
- Laboratory of Immunological Dysfunction, Assistance Publique-Hôpitaux de Paris (AP-HP), Bichat-Claude Bernard University Hospital, Paris, France.,Université de Paris, Center for Research on Inflammation, Inserm U1149 & CNRS ERL8252, Inflamex Laboratory, Paris, France
| | - Agnès Lehuen
- Université de Paris, Institut Cochin, Inserm U1016, Centre National de la Recherche Scientifique UMR 8104, Inflamex Laboratory, Paris, France.
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17
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Dos Santos M, Backer S, Saintpierre B, Izac B, Andrieu M, Letourneur F, Relaix F, Sotiropoulos A, Maire P. Single-nucleus RNA-seq and FISH identify coordinated transcriptional activity in mammalian myofibers. Nat Commun 2020; 11:5102. [PMID: 33037211 PMCID: PMC7547110 DOI: 10.1038/s41467-020-18789-8] [Citation(s) in RCA: 108] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 09/10/2020] [Indexed: 12/20/2022] Open
Abstract
Skeletal muscle fibers are large syncytia but it is currently unknown whether gene expression is coordinately regulated in their numerous nuclei. Here we show by snRNA-seq and snATAC-seq that slow, fast, myotendinous and neuromuscular junction myonuclei each have different transcriptional programs, associated with distinct chromatin states and combinations of transcription factors. In adult mice, identified myofiber types predominantly express either a slow or one of the three fast isoforms of Myosin heavy chain (MYH) proteins, while a small number of hybrid fibers can express more than one MYH. By snRNA-seq and FISH, we show that the majority of myonuclei within a myofiber are synchronized, coordinately expressing only one fast Myh isoform with a preferential panel of muscle-specific genes. Importantly, this coordination of expression occurs early during post-natal development and depends on innervation. These findings highlight a previously undefined mechanism of coordination of gene expression in a syncytium. Whether skeletal muscle fibre gene expression is coordinated as a whole in different nuclei in the fibre is unclear. Here, the authors use single nucleus RNAseq and ATACseq to show the transcriptome heterogeneity of muscle nuclei in the adult mouse fibre, with correlations between the two datasets.
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Affiliation(s)
| | - Stéphanie Backer
- Université de Paris, Institut Cochin, INSERM, CNRS., 75014, Paris, France
| | | | - Brigitte Izac
- Université de Paris, Institut Cochin, INSERM, CNRS., 75014, Paris, France
| | - Muriel Andrieu
- Université de Paris, Institut Cochin, INSERM, CNRS., 75014, Paris, France
| | - Franck Letourneur
- Université de Paris, Institut Cochin, INSERM, CNRS., 75014, Paris, France
| | - Frederic Relaix
- Université Paris-Est Creteil, INSERM U955 IMRB., 94000, Creteil, France
| | | | - Pascal Maire
- Université de Paris, Institut Cochin, INSERM, CNRS., 75014, Paris, France.
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18
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Vuillemin X, Hays C, Plainvert C, Dmytruk N, Louis M, Touak G, Saint-Pierre B, Adoux L, Letourneur F, Frigo A, Poyart C, Tazi A. Invasive group B Streptococcus infections in non-pregnant adults: a retrospective study, France, 2007-2019. Clin Microbiol Infect 2020; 27:129.e1-129.e4. [PMID: 33007472 DOI: 10.1016/j.cmi.2020.09.037] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 09/07/2020] [Accepted: 09/18/2020] [Indexed: 10/23/2022]
Abstract
OBJECTIVES Group B Streptococcus (GBS) (Streptococcus agalactiae) is a pathogen of growing importance in adults. The objective of this study was to describe the features of invasive infections by GBS in non-pregnant adults. METHODS GBS infections were reported to the national reference centre for streptococci. Clinical information was abstracted from questionnaires. Capsular typing, identification of the hypervirulent CC-17 clone, and antibiotic susceptibility testing were performed for all GBS isolates. Multi-locus sequence typing and assignment to clonal complexes (CCs) was performed on a representative sample of 324 isolates. RESULTS In total, 1960 GBS invasive infections were analysed from 2007 to 2019. The median age at onset was 71 years old (range 18-103). The main manifestation was bacteraemia without focus (54.5%). Meningitis was more frequent in patients under 40 (26/180, 14.4% versus 78/1780, 4.4%, p < 0.0001). Capsular types Ia, Ib, II, III and V accounted for 91.0% of the cases (1786/1960). CC-1, -10, -17, -19 and -23 accounted for 96.3% (312/324) of the cases. Capsular type III and CC-17 were overrepresented in meningitis (38/104, 36.5%, p < 0.001 and 22/104, 21.2%, p 0.01, respectively). All isolates were susceptible to β-lactam antibiotics. Resistance to erythromycin (32.7%) and clindamycin (26.3%) remained stable, whereas decreased susceptibility to fluoroquinolones increased, reaching 2.7% in 2019 (p for trend 0.002). CONCLUSIONS This work highlights the susceptibility of the elderly to GBS infections and differences in the clinical manifestations according to the patients' age and GBS type. In agreement with worldwide reports on emerging multidrug-resistant GBS, it reinforces the need for a continued surveillance of GBS epidemiology.
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Affiliation(s)
- Xavier Vuillemin
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Reference Centre for Streptococci, Assistance Publique-Hôpitaux de Paris, France
| | - Constantin Hays
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Reference Centre for Streptococci, Assistance Publique-Hôpitaux de Paris, France; Cochin Institute, INSERM U1016, UMR CNRS 8104, Team Bacteria and Perinatality, France; University of Paris, Paris, France
| | - Céline Plainvert
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Reference Centre for Streptococci, Assistance Publique-Hôpitaux de Paris, France; Cochin Institute, INSERM U1016, UMR CNRS 8104, Team Bacteria and Perinatality, France
| | - Nicolas Dmytruk
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Reference Centre for Streptococci, Assistance Publique-Hôpitaux de Paris, France
| | - Mathilde Louis
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Reference Centre for Streptococci, Assistance Publique-Hôpitaux de Paris, France
| | - Gérald Touak
- Cochin Institute, INSERM U1016, UMR CNRS 8104, Team Bacteria and Perinatality, France
| | | | - Lucie Adoux
- Cochin Institute, INSERM U1016, UMR CNRS 8104, Genomic Platform, France
| | - Franck Letourneur
- Cochin Institute, INSERM U1016, UMR CNRS 8104, Genomic Platform, France
| | - Amandine Frigo
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Reference Centre for Streptococci, Assistance Publique-Hôpitaux de Paris, France
| | - Claire Poyart
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Reference Centre for Streptococci, Assistance Publique-Hôpitaux de Paris, France; Cochin Institute, INSERM U1016, UMR CNRS 8104, Team Bacteria and Perinatality, France; University of Paris, Paris, France
| | - Asmaa Tazi
- Department of Bacteriology, University Hospitals Paris Centre-Cochin, French National Reference Centre for Streptococci, Assistance Publique-Hôpitaux de Paris, France; Cochin Institute, INSERM U1016, UMR CNRS 8104, Team Bacteria and Perinatality, France; University of Paris, Paris, France.
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19
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Tong C, Javelle E, Grard G, Dia A, Lacrosse C, Fourié T, Gravier P, Watier-Grillot S, Lancelot R, Letourneur F, Comby F, Grau M, Cassou L, Meynard JB, Briolant S, Leparc-Goffart I, Pommier de Santi V. Tracking Rift Valley fever: From Mali to Europe and other countries, 2016. ACTA ACUST UNITED AC 2020; 24. [PMID: 30808441 PMCID: PMC6446957 DOI: 10.2807/1560-7917.es.2019.24.8.1800213] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
On 16 September 2016, the World Health Organization confirmed a Rift Valley fever (RVF) outbreak in Niger. Epidemiological surveillance was reinforced among the French Armed Forces deployed in Niger and bordering countries: Chad, Mali and Burkina Faso. On 26 October, a probable case of RVF was reported in a service member sampled in Mali 3 weeks earlier. At the time the result was reported, the patient was on vacation on Martinique. An epidemiological investigation was conducted to confirm this case and identify other cases. Finally, the case was not confirmed, but three suspected cases of RVF were confirmed using serological and molecular testing. RVF viral RNA was detectable in whole blood for 57 and 67 days after onset of symptoms for two cases, although it was absent from plasma and serum. At the time of diagnosis, these cases had already returned from Mali to Europe. The infectivity of other arboviruses in whole blood has already been highlighted. That RVF virus has been detected in whole blood that long after the onset of symptoms (67 days) raises the question of its potential prolonged infectivity. Because of exposure to tropical infectious diseases during deployment, military populations could import emerging pathogens to Europe.
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Affiliation(s)
- Christelle Tong
- French Armed Forces Centre for Epidemiology and Public Health (CESPA), Marseille, France
| | | | - Gilda Grard
- Unité des Virus Émergents (UVE), Aix-Marseille Université - IRD 190 - Inserm 1207 - IHU Méditerranée Infection, Marseille, France.,French Armed Forces Biomedical Research Institute (IRBA), National Reference Centre for Arboviruses, Marseille, France
| | - Aissata Dia
- French Armed Forces Centre for Epidemiology and Public Health (CESPA), Marseille, France
| | - Constance Lacrosse
- French Armed Forces Centre for Epidemiology and Public Health (CESPA), Marseille, France
| | - Toscane Fourié
- Unité des Virus Émergents (UVE), Aix-Marseille Université - IRD 190 - Inserm 1207 - IHU Méditerranée Infection, Marseille, France.,French Armed Forces Biomedical Research Institute (IRBA), National Reference Centre for Arboviruses, Marseille, France
| | - Patrick Gravier
- Unité des Virus Émergents (UVE), Aix-Marseille Université - IRD 190 - Inserm 1207 - IHU Méditerranée Infection, Marseille, France.,French Armed Forces Biomedical Research Institute (IRBA), National Reference Centre for Arboviruses, Marseille, France
| | | | - Renaud Lancelot
- UMR ASTRE, Univ. Montpellier, CIRAD, INRA, Montpellier, France.,International Centre of Agricultural Research for Development (CIRAD), Animals, Health, Territories, Risks and Ecosystems Unit (ASTRE), Montpellier, France
| | | | - Frédéric Comby
- French Military Health Service, 10th Medical Unit, Laudun, France
| | - Martin Grau
- French Military Health Service, 18th Medical Unit, Fréjus, France
| | - Lionel Cassou
- French Military Health Service, 11th Medical Unit, Toulouse, France
| | - Jean-Baptiste Meynard
- French Armed Forces Centre for Epidemiology and Public Health (CESPA), Marseille, France
| | - Sébastien Briolant
- UMR VITROME, Aix-Marseille Université, IRD, AP-HM, SSA, VITROME, IHU-Méditerranée Infection, Marseille, France.,French Armed Forces Biomedical Research Institute (IRBA), Marseille, France
| | - Isabelle Leparc-Goffart
- Unité des Virus Émergents (UVE), Aix-Marseille Université - IRD 190 - Inserm 1207 - IHU Méditerranée Infection, Marseille, France.,French Armed Forces Biomedical Research Institute (IRBA), National Reference Centre for Arboviruses, Marseille, France
| | - Vincent Pommier de Santi
- UMR VITROME, Aix-Marseille Université, IRD, AP-HM, SSA, VITROME, IHU-Méditerranée Infection, Marseille, France.,French Armed Forces Centre for Epidemiology and Public Health (CESPA), Marseille, France
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20
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Sapaly D, Delers P, Coridon J, Salman B, Letourneur F, Dumont F, Lefebvre S. The Small-Molecule Flunarizine in Spinal Muscular Atrophy Patient Fibroblasts Impacts on the Gemin Components of the SMN Complex and TDP43, an RNA-Binding Protein Relevant to Motor Neuron Diseases. Front Mol Biosci 2020; 7:55. [PMID: 32363199 PMCID: PMC7181958 DOI: 10.3389/fmolb.2020.00055] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Accepted: 03/18/2020] [Indexed: 01/01/2023] Open
Abstract
The motor neurodegenerative disease spinal muscular atrophy (SMA) is caused by alterations of the survival motor neuron 1 (SMN1) gene involved in RNA metabolism. Although the disease mechanisms are not completely elucidated, SMN protein deficiency leads to abnormal small nuclear ribonucleoproteins (snRNPs) assembly responsible for widespread splicing defects. SMN protein localizes in nuclear bodies that are lost in SMA and adult onset amyotrophic lateral sclerosis (ALS) patient cells harboring TDP-43 or FUS/TLS mutations. We previously reported that flunarizine recruits SMN into nuclear bodies and improves the phenotype of an SMA mouse model. However, the precise mode of action remains elusive. Here, a marked reduction of the integral components of the SMN complex is observed in severe SMA patient fibroblast cells. We show that flunarizine increases the protein levels of a subset of components of the SMN-Gemins complex, Gemins2-4, and markedly reduces the RNA and protein levels of the pro-oxydant thioredoxin-interacting protein (TXNIP) encoded by an mRNA target of Gemin5. We further show that SMN deficiency causes a dissociation of the localization of the SMN complex components from the same nuclear bodies. The accumulation of TDP-43 in SMN-positive nuclear bodies is also perturbed in SMA cells. Notably, TDP-43 is found to co-localize with SMN in nuclear bodies of flunarizine-treated SMA cells. Our findings indicate that flunarizine reverses cellular changes caused by SMN deficiency in SMA cells and further support the view of a common pathway in RNA metabolism underlying infantile and adult motor neuron diseases.
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Affiliation(s)
- Delphine Sapaly
- INSERM UMR-S 1124, Toxicité Environnementale, Cibles Thérapeutiques, Signalisation Cellulaire et Biomarqueurs, Campus Saint-Germain-des-Prés, Université de Paris, Paris, France
| | - Perrine Delers
- INSERM UMR-S 1124, Toxicité Environnementale, Cibles Thérapeutiques, Signalisation Cellulaire et Biomarqueurs, Campus Saint-Germain-des-Prés, Université de Paris, Paris, France
| | - Jennifer Coridon
- BioMedTech Facilities INSERM US36 - CNRS UMS 2009, Campus Saint-Germain-des-Prés, Université de Paris, Paris, France
| | - Badih Salman
- INSERM UMR-S 1124, Toxicité Environnementale, Cibles Thérapeutiques, Signalisation Cellulaire et Biomarqueurs, Campus Saint-Germain-des-Prés, Université de Paris, Paris, France
| | | | - Florent Dumont
- Genom'ic Platform, INSERM U1016, Institut Cochin, Paris, France
| | - Suzie Lefebvre
- INSERM UMR-S 1124, Toxicité Environnementale, Cibles Thérapeutiques, Signalisation Cellulaire et Biomarqueurs, Campus Saint-Germain-des-Prés, Université de Paris, Paris, France
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21
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Beinse G, Rance B, Just PA, Izac B, Letourneur F, Saidu NEB, Chouzenoux S, Nicco C, Goldwasser F, Batteux F, Durdux C, Chapron C, Pasmant E, Leroy K, Alexandre J, Borghese B. Identification of TP53 mutated group using a molecular and immunohistochemical classification of endometrial carcinoma to improve prognostic evaluation for adjuvant treatments. Int J Gynecol Cancer 2020; 30:640-647. [PMID: 32169874 DOI: 10.1136/ijgc-2019-000871] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 01/31/2020] [Accepted: 02/24/2020] [Indexed: 11/04/2022] Open
Abstract
INTRODUCTION Molecular classification of endometrial carcinoma has been proposed to predict survival. However, its role in patient management remains to be determined. We aimed to identify whether a molecular and immunohistochemical classification of endometrial carcinoma could improve decision-making for adjuvant therapy. METHODS All consecutive patients treated for endometrial carcinoma between 2010 and 2017 at Cochin University Hospital were included. Clinical risk of relapse was based on European Society for Medical Oncology-European Society of Gynaecological Oncology-European SocieTy for Radiotherapy & Oncology (ESMO-ESGO-ESTRO) consensus. The clinical event of interest was event-free survival. Formalin-fixed paraffin-embedded tissue samples were processed for histopathological analysis and DNA extraction. The nuclear expression of mismatch repair and TP53 proteins was analyzed by immunohistochemistry. Next-generation sequencing of a panel of 15 genes including TP53 and POLE was performed using Ampliseq panels on Ion Torrent PGM (ThermoFisher). Tumors were allocated into four molecular groups using a sequential method based on next-generation sequencing and immunohistochemistry data: (1) POLE/ultramutated-like; (2) MSI/hypermutated-like (mismatch repair-deficient); (3) TP53-mutated (without POLE mutations or mismatch repair deficiency); (4) not otherwise specified (the remaining tumors). RESULTS 159 patients were included; 125 tumors were available for molecular characterization and distributed as follows: (1) POLE/ultramutated-like: n=4 (3%); (2) MSI/hypermutated-like: n=35 (30%); (3) TP53-mutated: n=30 (25%); and (4) not otherwise specified: n=49 (42%). Assessing the TP53 status by immunohistochemistry only rather than next-generation sequencing would have misclassified 6 tumors (5%). TP53-mutated tumors were associated with poor prognosis, independently of International Federation of Gynecology and Obstetrics (FIGO) stage and histological grade (Cox-based adjusted hazard ratio (aHR) 5.54, 95% CI 2.30 to 13.4), and independently of clinical risk of relapse (aHR 3.92, 95% CI 1.59 to 9.64). Among patients with FIGO stage I-II tumors, 6 (38%) TP53-mutated tumors had low/intermediate clinical risk of relapse and did not receive adjuvant chemotherapy or radiotherapy. CONCLUSION Endometrial carcinoma molecular classification identified potentially under-treated patients with poor molecular prognosis despite being at low/intermediate clinical risk of relapse. Consideration of molecular classification in adjuvant therapeutic decisions should be evaluated in prospective trials.
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Affiliation(s)
- Guillaume Beinse
- U1016 Institut Cochin, INSERM, CARPEM, Paris, Île-de-France, France
| | - Bastien Rance
- Université Paris Descartes, Sorbonne Paris Cité, Paris, Île-de-France, France.,Department of Medical Informatics, Hôpital Européen Georges Pompidou, Assistance Publique - Hôpitaux de Paris, Paris, Île-de-France, France
| | - Pierre-Alexandre Just
- U1016 Institut Cochin, INSERM, CARPEM, Paris, Île-de-France, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, Île-de-France, France.,Department of Pathological Anatomy and Cytology, Hôpital Cochin, Assistance Publique - Hôpitaux de Paris, Paris, Île-de-France, France
| | - Brigitte Izac
- U1016 Institut Cochin, INSERM, CARPEM, Paris, Île-de-France, France
| | | | | | | | - Carole Nicco
- U1016 Institut Cochin, INSERM, CARPEM, Paris, Île-de-France, France
| | - François Goldwasser
- Université Paris Descartes, Sorbonne Paris Cité, Paris, Île-de-France, France.,Department of Medical Oncology, Hôpital Cochin, Assistance Publique - Hôpitaux de Paris, Paris, Île-de-France, France
| | - Frederic Batteux
- U1016 Institut Cochin, INSERM, CARPEM, Paris, Île-de-France, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, Île-de-France, France
| | - Catherine Durdux
- Université Paris Descartes, Sorbonne Paris Cité, Paris, Île-de-France, France.,Departement of Radiation Oncology, Hôpital Européen Georges Pompidou, Assistance Publique - Hôpitaux de Paris, Paris, Île-de-France, France
| | - Charles Chapron
- U1016 Institut Cochin, INSERM, CARPEM, Paris, Île-de-France, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, Île-de-France, France.,Department of Gynecologic Surgery, Hôpital Cochin, Assistance Publique - Hôpitaux de Paris, Paris, Île-de-France, France
| | - Eric Pasmant
- U1016 Institut Cochin, INSERM, CARPEM, Paris, Île-de-France, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, Île-de-France, France.,Department of Genetics and Molecular Biology, Hôpital Cochin, Assistance Publique - Hôpitaux de Paris, Paris, Île-de-France, France
| | - Karen Leroy
- U1016 Institut Cochin, INSERM, CARPEM, Paris, Île-de-France, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, Île-de-France, France.,Department of Genetics and Molecular Biology, Hôpital Cochin, Assistance Publique - Hôpitaux de Paris, Paris, Île-de-France, France
| | - Jerome Alexandre
- Université Paris Descartes, Sorbonne Paris Cité, Paris, Île-de-France, France.,Department of Medical Oncology, Hôpital Cochin, Assistance Publique - Hôpitaux de Paris, Paris, Île-de-France, France
| | - Bruno Borghese
- U1016 Institut Cochin, INSERM, CARPEM, Paris, Île-de-France, France .,Université Paris Descartes, Sorbonne Paris Cité, Paris, Île-de-France, France.,Department of Gynecologic Surgery, Hôpital Cochin, Assistance Publique - Hôpitaux de Paris, Paris, Île-de-France, France
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22
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Brousseau M, Nectoux J, Saintpierre B, Lebrun N, Cagnard N, Izac B, Olivier E, Letourneur F, Bienvenu T. MeCP2 is involved in random mono-allelic expression for a subset of human autosomal genes. Biochim Biophys Acta Mol Basis Dis 2020; 1866:165730. [PMID: 32070770 DOI: 10.1016/j.bbadis.2020.165730] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 02/10/2020] [Accepted: 02/13/2020] [Indexed: 12/13/2022]
Abstract
Widespread random monoallelic gene expression (RMAE) effects influence about 10% of human genes. However, the mechanisms by which RME of autosomal genes is established and those by which it is maintained both remain open questions. Because the choice of allelic expression is randomly performed cell-by-cell, the RMAE mechanism is not observable in non-clonal cell populations or in whole tissues. Several target genes of MeCP2, the gene involved in Rett syndrome (RTT), have been previously described as subject to RMAE, suggesting that MeCP2 may be involved in the establishment and/or maintenance of RME of autosomal genes. To improve our knowledge on this largely unknown phenomenon, and to study the role of MeCP2 in RMAE, we compared RMA gene expression profiles in clonal cell cultures expressing wild-type MeCP2 versus mutant MeCP2 from a RTT patient carrying a pathogenic non-sense variant. Our data clearly demonstrated that MeCP2 deficiency does not affect significantly allelic gene expression of X-linked genes, imprinted genes as well as the RMAE profile in the majority of genes. However, the functional deficiency in MeCP2 appeared to disrupt the mono-allelic or the bi-allelic expression of at least 49 genes allowing us to define a specific signature of MECP2 mutated clones.
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Affiliation(s)
- Marine Brousseau
- Assistance Publique - Hôpitaux de Paris, APHP, Centre Universitaire Paris, Hôpital Cochin, Laboratoire de Génétique et Biologie Moléculaires, Paris, France
| | - Juliette Nectoux
- Assistance Publique - Hôpitaux de Paris, APHP, Centre Universitaire Paris, Hôpital Cochin, Laboratoire de Génétique et Biologie Moléculaires, Paris, France
| | | | - Nicolas Lebrun
- Institut de Psychiatrie et de Neurosciences de Paris (IPNP), INSERM U1266, Team "Vulnérabilité aux troubles psychiatriques et addictifs", Université de Paris, Paris, France
| | - Nicolas Cagnard
- Plateforme Bioinformatique, Université Paris Descartes, Institut Imagine, Paris, France
| | - Brigitte Izac
- Plateforme Génomique, Institut Cochin, Paris, France
| | - Emmanuelle Olivier
- Plateforme Bioinformatique, Université Paris Descartes, Institut Imagine, Paris, France
| | | | - Thierry Bienvenu
- Assistance Publique - Hôpitaux de Paris, APHP, Centre Universitaire Paris, Hôpital Cochin, Laboratoire de Génétique et Biologie Moléculaires, Paris, France; Institut de Psychiatrie et de Neurosciences de Paris (IPNP), INSERM U1266, Team "Vulnérabilité aux troubles psychiatriques et addictifs", Université de Paris, Paris, France.
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23
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Maillard L, Sanfilippo S, Domenech C, Kasmi N, Petit L, Jacques S, Delezoide AL, Guimiot F, Eladak S, Moison D, Nicolas N, Rouiller-Fabre V, Pozzi-Godin S, Mennesson B, Brival ML, Letourneur F, Jaffredo T, Chomienne C, Souyri M. CD117 hi expression identifies a human fetal hematopoietic stem cell population with high proliferation and self-renewal potential. Haematologica 2020; 105:e43-e47. [PMID: 31248971 DOI: 10.3324/haematol.2018.207811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Affiliation(s)
- Loïc Maillard
- Université de Paris, Institut de Recherche Saint-Louis, Paris.,Institut National de la Santé et de la Recherche Médicale (INSERM) Unité 1131, Paris.,Université Pierre et Marie Curie, Sorbonne Universités, UMR 7622, Paris.,Centre National de la recherche Scientifique (CNRS) Unité 7622 et INSERM Unité 1156, Paris
| | - Sandra Sanfilippo
- Université Pierre et Marie Curie, Sorbonne Universités, UMR 7622, Paris.,Centre National de la recherche Scientifique (CNRS) Unité 7622 et INSERM Unité 1156, Paris.,present adress: Diagnostica Stago, Gennevilliers
| | - Carine Domenech
- Université de Paris, Institut de Recherche Saint-Louis, Paris.,Institut National de la Santé et de la Recherche Médicale (INSERM) Unité 1131, Paris.,present adress: Institut d'Hématologie et d'Oncologie Pédiatrique, Université Lyon 1, Lyon
| | - Nassima Kasmi
- Université de Paris, Institut de Recherche Saint-Louis, Paris.,Institut National de la Santé et de la Recherche Médicale (INSERM) Unité 1131, Paris
| | - Laurence Petit
- Université Pierre et Marie Curie, Sorbonne Universités, UMR 7622, Paris.,Centre National de la recherche Scientifique (CNRS) Unité 7622 et INSERM Unité 1156, Paris
| | - Sébastien Jacques
- Genomic, Hôpital Cochin, Université Paris Descartes, Sorbonne Paris Cité, Paris
| | - Anne-Lise Delezoide
- Service de Foetopathologie, Hôpital Robert Debré, Paris.,present adress: Service de Foetopathologie, Hôpital Cochin-Port Royal, Paris
| | | | - Soria Eladak
- Commissariat à l'énergie atomique (CEA), Institut de Radiobiologie Cellulaire et Moléculaire (IRCM), INSERM UMR 967, Laboratoire du Développement des Gonades (LDG), Fontenay-aux-Roses
| | - Delphine Moison
- Commissariat à l'énergie atomique (CEA), Institut de Radiobiologie Cellulaire et Moléculaire (IRCM), INSERM UMR 967, Laboratoire du Développement des Gonades (LDG), Fontenay-aux-Roses
| | - Nour Nicolas
- Commissariat à l'énergie atomique (CEA), Institut de Radiobiologie Cellulaire et Moléculaire (IRCM), INSERM UMR 967, Laboratoire du Développement des Gonades (LDG), Fontenay-aux-Roses
| | - Virginie Rouiller-Fabre
- Commissariat à l'énergie atomique (CEA), Institut de Radiobiologie Cellulaire et Moléculaire (IRCM), INSERM UMR 967, Laboratoire du Développement des Gonades (LDG), Fontenay-aux-Roses
| | | | | | | | - Franck Letourneur
- Genomic, Hôpital Cochin, Université Paris Descartes, Sorbonne Paris Cité, Paris
| | - Thierry Jaffredo
- Université Pierre et Marie Curie, Sorbonne Universités, UMR 7622, Paris.,Centre National de la recherche Scientifique (CNRS) Unité 7622 et INSERM Unité 1156, Paris
| | - Christine Chomienne
- Université de Paris, Institut de Recherche Saint-Louis, Paris.,Institut National de la Santé et de la Recherche Médicale (INSERM) Unité 1131, Paris
| | - Michèle Souyri
- Université de Paris, Institut de Recherche Saint-Louis, Paris .,Institut National de la Santé et de la Recherche Médicale (INSERM) Unité 1131, Paris.,Université Pierre et Marie Curie, Sorbonne Universités, UMR 7622, Paris.,Centre National de la recherche Scientifique (CNRS) Unité 7622 et INSERM Unité 1156, Paris
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24
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Neou M, Villa C, Armignacco R, Jouinot A, Raffin-Sanson ML, Septier A, Letourneur F, Diry S, Diedisheim M, Izac B, Gaspar C, Perlemoine K, Verjus V, Bernier M, Boulin A, Emile JF, Bertagna X, Jaffrezic F, Laloe D, Baussart B, Bertherat J, Gaillard S, Assié G. Pangenomic Classification of Pituitary Neuroendocrine Tumors. Cancer Cell 2020; 37:123-134.e5. [PMID: 31883967 DOI: 10.1016/j.ccell.2019.11.002] [Citation(s) in RCA: 155] [Impact Index Per Article: 38.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 10/07/2019] [Accepted: 11/21/2019] [Indexed: 12/14/2022]
Abstract
Pituitary neuroendocrine tumors (PitNETs) are common, with five main histological subtypes: lactotroph, somatotroph, and thyrotroph (POU1F1/PIT1 lineage); corticotroph (TBX19/TPIT lineage); and gonadotroph (NR5A1/SF1 lineage). We report a comprehensive pangenomic classification of PitNETs. PitNETs from POU1F1/PIT1 lineage showed an epigenetic signature of diffuse DNA hypomethylation, with transposable elements expression and chromosomal instability (except for GNAS-mutated somatotrophs). In TPIT lineage, corticotrophs were divided into three classes: the USP8-mutated with overt secretion, the USP8-wild-type with increased invasiveness and increased epithelial-mesenchymal transition, and the large silent tumors with gonadotroph transdifferentiation. Unexpected expression of gonadotroph markers was also found in GNAS-wild-type somatotrophs (SF1 expression), challenging the current definition of SF1/gonadotroph lineage. This classification improves our understanding and affects the clinical stratification of patients with PitNETs.
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Affiliation(s)
- Mario Neou
- INSERM U1016, Institut Cochin, 75014 Paris, France; CNRS UMR 8104, 75014 Paris, France; Université Paris Descartes-Université de Paris, 75006 Paris, France
| | - Chiara Villa
- INSERM U1016, Institut Cochin, 75014 Paris, France; CNRS UMR 8104, 75014 Paris, France; Université Paris Descartes-Université de Paris, 75006 Paris, France; Department of Pathological Cytology and Anatomy, Foch Hospital, 92151 Suresnes, France; Department of Endocrinology, Sart Tilman B35, 4000 Liège, Belgium
| | - Roberta Armignacco
- INSERM U1016, Institut Cochin, 75014 Paris, France; CNRS UMR 8104, 75014 Paris, France; Université Paris Descartes-Université de Paris, 75006 Paris, France
| | - Anne Jouinot
- INSERM U1016, Institut Cochin, 75014 Paris, France; CNRS UMR 8104, 75014 Paris, France; Université Paris Descartes-Université de Paris, 75006 Paris, France
| | - Marie-Laure Raffin-Sanson
- Department of Endocrinology, Hôpital Ambroise Paré, Assistance Publique-Hôpitaux de Paris, 92100 Boulogne Billancourt, France; UE4340, Université de Versailles Saint-Quentin-en-Yvelines Montigny-le-Bretonneux, 78000 Versailles, France
| | - Amandine Septier
- INSERM U1016, Institut Cochin, 75014 Paris, France; CNRS UMR 8104, 75014 Paris, France; Université Paris Descartes-Université de Paris, 75006 Paris, France
| | - Franck Letourneur
- INSERM U1016, Institut Cochin, 75014 Paris, France; CNRS UMR 8104, 75014 Paris, France; Université Paris Descartes-Université de Paris, 75006 Paris, France; Plate-Forme Séquençage et Génomique (Genom'IC), INSERM U1016, Institut Cochin, 75014 Paris, France
| | - Ségolène Diry
- INSERM U1016, Institut Cochin, 75014 Paris, France; CNRS UMR 8104, 75014 Paris, France; Université Paris Descartes-Université de Paris, 75006 Paris, France
| | - Marc Diedisheim
- Department of Diabetology, Assistance Publique-Hôpitaux de Paris, Hôpital Cochin, 75014 Paris, France
| | - Brigitte Izac
- INSERM U1016, Institut Cochin, 75014 Paris, France; CNRS UMR 8104, 75014 Paris, France; Université Paris Descartes-Université de Paris, 75006 Paris, France; Plate-Forme Séquençage et Génomique (Genom'IC), INSERM U1016, Institut Cochin, 75014 Paris, France
| | - Cassandra Gaspar
- INSERM U1016, Institut Cochin, 75014 Paris, France; CNRS UMR 8104, 75014 Paris, France; Université Paris Descartes-Université de Paris, 75006 Paris, France; Sorbonne Université, Inserm, UMS PASS, Plateforme Post-génomique de la Pitié-Salpêtrière, P3S, 75013 Paris, France
| | - Karine Perlemoine
- INSERM U1016, Institut Cochin, 75014 Paris, France; CNRS UMR 8104, 75014 Paris, France; Université Paris Descartes-Université de Paris, 75006 Paris, France
| | - Victoria Verjus
- INSERM U1016, Institut Cochin, 75014 Paris, France; CNRS UMR 8104, 75014 Paris, France; Université Paris Descartes-Université de Paris, 75006 Paris, France
| | - Michèle Bernier
- Department of Pathological Cytology and Anatomy, Foch Hospital, 92151 Suresnes, France
| | - Anne Boulin
- Department of Diagnostic and Interventional Neuroradiology, Foch Hospital, 92151 Suresnes, France
| | - Jean-François Emile
- Department of Pathology, Ambroise Paré, Assistance Publique-Hôpitaux de Paris, 92100 Boulogne Billancourt, France
| | - Xavier Bertagna
- INSERM U1016, Institut Cochin, 75014 Paris, France; CNRS UMR 8104, 75014 Paris, France; Université Paris Descartes-Université de Paris, 75006 Paris, France; Department of Endocrinology, Center for Rare Adrenal Diseases, Assistance Publique-Hôpitaux de Paris, Hôpital Cochin, 75014 Paris, France
| | - Florence Jaffrezic
- INRA, UMR 1313 GABI, Université Paris Saclay, AgroParisTech, 78352 Jouy-en-Josas, France
| | - Denis Laloe
- INRA, UMR 1313 GABI, Université Paris Saclay, AgroParisTech, 78352 Jouy-en-Josas, France
| | | | - Jérôme Bertherat
- INSERM U1016, Institut Cochin, 75014 Paris, France; CNRS UMR 8104, 75014 Paris, France; Université Paris Descartes-Université de Paris, 75006 Paris, France; Department of Endocrinology, Center for Rare Adrenal Diseases, Assistance Publique-Hôpitaux de Paris, Hôpital Cochin, 75014 Paris, France
| | - Stephan Gaillard
- Department of Neurosurgery, Foch Hospital, 92151 Suresnes, France
| | - Guillaume Assié
- INSERM U1016, Institut Cochin, 75014 Paris, France; CNRS UMR 8104, 75014 Paris, France; Université Paris Descartes-Université de Paris, 75006 Paris, France; Department of Endocrinology, Center for Rare Adrenal Diseases, Assistance Publique-Hôpitaux de Paris, Hôpital Cochin, 75014 Paris, France.
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25
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Damotte D, Warren S, Arrondeau J, Boudou-Rouquette P, Mansuet-Lupo A, Biton J, Ouakrim H, Alifano M, Gervais C, Bellesoeur A, Kramkimel N, Tlemsani C, Burroni B, Duche A, Letourneur F, Si H, Halpin R, Creasy T, Herbst R, Ren X, Morel P, Cesano A, Goldwasser F, Leroy K. The tumor inflammation signature (TIS) is associated with anti-PD-1 treatment benefit in the CERTIM pan-cancer cohort. J Transl Med 2019; 17:357. [PMID: 31684954 PMCID: PMC6829827 DOI: 10.1186/s12967-019-2100-3] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Accepted: 10/15/2019] [Indexed: 01/05/2023] Open
Abstract
Background The 18-gene tumor inflammation signature (TIS) is a clinical research assay that enriches for clinical benefit to immune checkpoint blockade. We evaluated its ability to predict clinical benefit of immunotherapy in cancer patients treated with PD-1 checkpoint inhibitors in routine clinical care. Methods The CERTIM cohort is a prospective cohort which includes patients receiving immune checkpoint inhibitors in Cochin University hospital. RNA extracted from 58 archival formalin fixed paraffin embedded tumor blocks (including 38 lung cancers, 5 melanomas, 10 renal carcinomas, 4 urothelial carcinomas and 1 colon carcinoma) was hybridized to a beta version of the NanoString® PanCancer IO360™ CodeSet using nCounter® technology. Gene expression signatures were correlated with tumor responses (by RECIST criteria) and overall survival. PD-L1 immunostaining on tumor cells was assessed in 37 non-small cell lung cancer (NSCLC) samples and tumor mutational burden (TMB) measured by whole exome sequencing in 19 of these. Results TIS scores were significantly associated with complete or partial response to anti-PD-1 treatment in the whole cohort (odds ratio = 2.64, 95% CI [1.4; 6.0], p = 0.008), as well as in the NSCLC population (odds ratio = 3.27, 95% CI [1.2; 11.6], p = 0.03). Patients whose tumor had a high TIS score (upper tertile) showed prolonged overall survival compared to patients whose tumor had lower TIS scores, both in the whole cohort (hazard ratio = 0.37, 95% CI [0.18, 0.76], p = 0.005) and in the NSCLC population (hazard ratio = 0.36, 95% CI [0.14, 0.90], p = 0.02). In the latter, the TIS score was independent from either PD-L1 staining on tumor cells (spearman coefficient 0.2) and TMB (spearman coefficient − 0.2). Conclusions These results indicate that validated gene expression assay measuring the level of tumor microenvironment inflammation such as TIS, are accurate and independent predictive biomarkers and can be easily implemented in the clinical practice.
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Affiliation(s)
- Diane Damotte
- Team Cancer, Immune Control and Escape, Cordeliers Research Center, UMRS 1138, Institut National de la Santé et de la Recherche Médicale (INSERM), Paris, France.,University Paris Descartes, Paris, France.,Department of Pathology, Hôpital Cochin, AP-HP, Paris, France.,CERTIM, Hôpital Cochin, APHP, Paris, France
| | | | - Jennifer Arrondeau
- CERTIM, Hôpital Cochin, APHP, Paris, France.,Department of Medical Oncology, Hôpital Cochin, AP-HP, Paris, France
| | - Pascaline Boudou-Rouquette
- CERTIM, Hôpital Cochin, APHP, Paris, France.,Department of Medical Oncology, Hôpital Cochin, AP-HP, Paris, France
| | - Audrey Mansuet-Lupo
- Team Cancer, Immune Control and Escape, Cordeliers Research Center, UMRS 1138, Institut National de la Santé et de la Recherche Médicale (INSERM), Paris, France.,University Paris Descartes, Paris, France.,Department of Pathology, Hôpital Cochin, AP-HP, Paris, France.,CERTIM, Hôpital Cochin, APHP, Paris, France
| | - Jérôme Biton
- Team Physiopathologie, cibles et thérapies de la polyarthrite rhumatoide Laboratoire Immunologie et Immunopathologie-Li2P, UMR1125, Université Paris 13, Bobigny, France
| | - Hanane Ouakrim
- Team Cancer, Immune Control and Escape, Cordeliers Research Center, UMRS 1138, Institut National de la Santé et de la Recherche Médicale (INSERM), Paris, France.,University Paris Descartes, Paris, France.,Department of Pathology, Hôpital Cochin, AP-HP, Paris, France
| | - Marco Alifano
- Team Cancer, Immune Control and Escape, Cordeliers Research Center, UMRS 1138, Institut National de la Santé et de la Recherche Médicale (INSERM), Paris, France.,University Paris Descartes, Paris, France.,CERTIM, Hôpital Cochin, APHP, Paris, France.,Department of Thoracic Surgery, Hôpital Cochin, AP-HP, Paris, France
| | - Claire Gervais
- CERTIM, Hôpital Cochin, APHP, Paris, France.,Department of Medical Oncology, Hôpital Cochin, AP-HP, Paris, France
| | - Audrey Bellesoeur
- CERTIM, Hôpital Cochin, APHP, Paris, France.,Department of Medical Oncology, Hôpital Cochin, AP-HP, Paris, France
| | - Nora Kramkimel
- CERTIM, Hôpital Cochin, APHP, Paris, France.,Department of Cutaneous Diseases, Hôpital Cochin, AP-HP, Paris, France
| | - Camille Tlemsani
- CERTIM, Hôpital Cochin, APHP, Paris, France.,Department of Medical Oncology, Hôpital Cochin, AP-HP, Paris, France
| | - Barbara Burroni
- Department of Pathology, Hôpital Cochin, AP-HP, Paris, France
| | - Angéline Duche
- Genomic platform, INSERM U1016, Institut Cochin, Paris, France
| | | | - Han Si
- Oncology Research, MedImmune, Gaithersburg, MD, USA
| | | | - Todd Creasy
- Oncology Research, MedImmune, Gaithersburg, MD, USA
| | | | - Xing Ren
- NanoString Technologies, Seattle, WA, USA
| | | | | | - François Goldwasser
- University Paris Descartes, Paris, France.,CERTIM, Hôpital Cochin, APHP, Paris, France.,Department of Medical Oncology, Hôpital Cochin, AP-HP, Paris, France
| | - Karen Leroy
- University Paris Descartes, Paris, France. .,CERTIM, Hôpital Cochin, APHP, Paris, France. .,Department of Genetic and Molecular Biology, Hôpital Cochin, AP-HP, 27 rue du Faubourg St Jacques, 75014, Paris, France.
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26
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Boudou-Rouquette P, Jouinot A, Audard V, Letourneur F, Parfait B, Goldwasser F, Terris B, Laurent-Puig P, Alexandre J, Leroy K, Pasmant E, Devergne O, Larousserie F. Abstract 4955: Impact of PD-1, PD-L1 and EBI3 on prognosis in a cohort of localized high grade undifferentiated pleomorphic sarcoma patients. Cancer Res 2019. [DOI: 10.1158/1538-7445.am2019-4955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Introduction: Studies of soft-tissue sarcomas (STS) and therapeutic outcomes are limited by their rarity and heterogeneity. Despite intensive treatment, including chemotherapy, surgery and radiation therapy, 30% of patients develop recurrent disease, and the outcome of the patients with recurrent or metastatic sarcomas remains poor. The SARC028 phase II, multicenter trial of pembrolizumab reported promising activity in selected histologic subtypes of advanced STS, including undifferentiated pleomorphic sarcoma (UPS). On the other hand, multicentre phase II trial (PEMBROSARC) found that PD-1 inhibition has limited activity in selected STS (UPS and LMS and GIST). The application of immune checkpoint blockade in sarcoma is in its infancy and we do not yet understand which patients will benefit from these therapies.
Methods: We explored the degree of PD-L1, PD-1, and CD8 expression in tumor tissue and microenvironment and their clinical impact in a retrospective analysis of 50 UPS sarcoma samples, at diagnosis. PD-L1 status was assessed on whole sections of fixed tissue. We also studied expression by tumors cells of two heterodimeric cytokines IL-27 (EBI3 / p28) and IL-35 (EBI3 / p35), known for inducing the expression of immune checkpoints. Their expression was investigated by analyzing the expression of their shared subunit EBI3 by immunohistochemistry. Patients presented with grade 3 FNCLCC, localized, sarcoma of the extremities, with a high risk of local and distant recurrence and were treated in a relatively homogeneous way (surgery followed by adjuvant radiation therapy and chemotherapy).
Results: The median overall survival was 63.4 months after a median follow-up of 42.0 months (range, 3.7- 108.3 months). The PD-L1 score on tumor cells (E1L3N, Cell Signaling) was negative in 94% of cases, with only 1 that had more than 10% PD-L1-positive tumor cells. Three semi-quantitative scores were performed on the immune cells: PD-L1 (same antibody): score 0 (62%), 1 (34%), 2 (4%); PD-1 (PD-1 NAT, Abcam): score 0 (52%), 1 (32%), 2 (16%) and CD8 + (C8/144B, Dako): score 0 (4%), 1 (36%), 2 (58%), NE (2%). PD-1 expression was associated with CD 8 infiltration (chi2 p=0.047). The EBI3 score on tumor cells was positive (>30% positive cells) in 6% of cases and correlated with worse overall survival (p=0.04) and progression-free survival (p<0.01), whereas PD1 (expressed by T cells), PD-L1 (expressed by infiltrating immune cells or tumor cells) and CD8 infiltration lacked prognostic significance. We are now integrating data from Affymetrix microarray gene expression and whole exome to investigate the molecular differences on tumors.
Conclusion: This study suggests that targeting immune checkpoints downstream of IL-27/IL-35, different from PD1 may benefit to some UPS patients.
Note: This abstract was not presented at the meeting.
Citation Format: Pascaline Boudou-Rouquette, Anne Jouinot, Virginie Audard, Franck Letourneur, Béatrice Parfait, François Goldwasser, Benoit Terris, Pierre Laurent-Puig, Jérôme Alexandre, Karen Leroy, Eric Pasmant, Odile Devergne, Frederique Larousserie. Impact of PD-1, PD-L1 and EBI3 on prognosis in a cohort of localized high grade undifferentiated pleomorphic sarcoma patients [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2019; 2019 Mar 29-Apr 3; Atlanta, GA. Philadelphia (PA): AACR; Cancer Res 2019;79(13 Suppl):Abstract nr 4955.
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Affiliation(s)
| | - Anne Jouinot
- 1Cochin hospital, CARPEM, AP-HP, Paris Descartes, Paris, France
| | - Virginie Audard
- 1Cochin hospital, CARPEM, AP-HP, Paris Descartes, Paris, France
| | - Franck Letourneur
- 2Institut Cochin, CARPEM, Inserm 1016-CNRS 8104, AP-HP, Paris Descartes, Paris, France
| | | | | | - Benoit Terris
- 1Cochin hospital, CARPEM, AP-HP, Paris Descartes, Paris, France
| | | | | | - Karen Leroy
- 1Cochin hospital, CARPEM, AP-HP, Paris Descartes, Paris, France
| | - Eric Pasmant
- 1Cochin hospital, CARPEM, AP-HP, Paris Descartes, Paris, France
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27
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Gruber A, Pacault M, El Khattabi LA, Vaucouleur N, Orhant L, Bienvenu T, Girodon E, Vidaud D, Leturcq F, Costa C, Letourneur F, Anselem O, Tsatsaris V, Goffinet F, Viot G, Vidaud M, Nectoux J. Non-invasive prenatal diagnosis of paternally inherited disorders from maternal plasma: detection of NF1 and CFTR mutations using droplet digital PCR. Clin Chem Lab Med 2019; 56:728-738. [PMID: 29613853 DOI: 10.1515/cclm-2017-0689] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Accepted: 11/23/2017] [Indexed: 12/14/2022]
Abstract
BACKGROUND To limit risks of miscarriages associated with invasive procedures of current prenatal diagnosis practice, we aim to develop a personalized medicine-based protocol for non-invasive prenatal diagnosis (NIPD) of monogenic disorders relying on the detection of paternally inherited mutations in maternal blood using droplet digital PCR (ddPCR). METHODS This study included four couples at risk of transmitting paternal neurofibromatosis type 1 (NF1) mutations and four couples at risk of transmitting compound heterozygous CFTR mutations. NIPD was performed between 8 and 15 weeks of gestation, in parallel to conventional invasive diagnosis. We designed specific hydrolysis probes to detect the paternal mutation and to assess the presence of cell-free fetal DNA by ddPCR. Analytical performances of each assay were determined from paternal sample, an then fetal genotype was inferred from maternal plasma sample. RESULTS Presence or absence of the paternal mutant allele was correctly determined in all the studied plasma DNA samples. CONCLUSIONS We report an NIPD protocol suitable for implementation in an experienced laboratory of molecular genetics. Our proof-of-principle results point out a high accuracy for early detection of paternal NF1 and CFTR mutations in cell-free DNA, and open new perspectives for extending the technology to NIPD of many other monogenic diseases.
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Affiliation(s)
- Aurélia Gruber
- Service de Génétique et Biologie Moléculaires, HUPC Hôpital Cochin, Paris, France
| | - Mathilde Pacault
- Service de Génétique et Biologie Moléculaires, HUPC Hôpital Cochin, Paris, France
| | | | - Nicolas Vaucouleur
- Service de Génétique et Biologie Moléculaires, HUPC Hôpital Cochin, Paris, France
| | - Lucie Orhant
- Service de Génétique et Biologie Moléculaires, HUPC Hôpital Cochin, Paris, France
| | - Thierry Bienvenu
- Service de Génétique et Biologie Moléculaires, HUPC Hôpital Cochin, Paris, France
| | - Emmanuelle Girodon
- Service de Génétique et Biologie Moléculaires, HUPC Hôpital Cochin, Paris, France
| | - Dominique Vidaud
- Service de Génétique et Biologie Moléculaires, HUPC Hôpital Cochin, Paris, France
| | - France Leturcq
- Service de Génétique et Biologie Moléculaires, HUPC Hôpital Cochin, Paris, France
| | - Catherine Costa
- Service de Génétique et Biologie Moléculaires, HUPC Hôpital Cochin, Paris, France
| | - Franck Letourneur
- INSERM, U1016, Institut Cochin, CNRS UMR8104, Université Paris Descartes, Paris, France
| | - Olivia Anselem
- Maternité Cochin-Port Royal, HUPC Hôpital Cochin, Paris, France
| | | | | | - Géraldine Viot
- Maternité Cochin-Port Royal, HUPC Hôpital Cochin, Paris, France
| | - Michel Vidaud
- Service de Génétique et Biologie Moléculaires, HUPC Hôpital Cochin, Paris, France
| | - Juliette Nectoux
- Service de Génétique et Biologie Moléculaires, HUPC Hôpital Cochin, 27 rue du Faubourg Saint Jacques, 75014 Paris, France, Phone: 00 33 1 58 41 16 22, Fax: 00 33 1 58 41 15 80
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Beinse G, Just PA, Rance B, Izac B, Letourneur F, Saidu NEB, Chouzenoux S, Nicco C, Goldwasser F, Pasmant E, Batteux F, Borghese B, Alexandre J, Leroy K. The NRF2 transcriptional target NQO1 has low mRNA levels in TP53-mutated endometrial carcinomas. PLoS One 2019; 14:e0214416. [PMID: 30908539 PMCID: PMC6433262 DOI: 10.1371/journal.pone.0214416] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Accepted: 03/12/2019] [Indexed: 12/11/2022] Open
Abstract
Background NRF2 is a major transcription factor regulating the expression of antioxidative/detoxifying enzymes, involved in oncogenic processes and drug resistance. We aimed to identify molecular alterations associated with NRF2 activation in endometrial carcinoma (EC). Methods Ninety patients treated (2012–2017) for localized/locally advanced EC were included in this study. Formalin-fixed paraffin-embedded tissue samples were processed for immunohistochemical (NRF2 and Mismatch Repair proteins) analyses. Next generation sequencing (NGS) of a panel of genes including POLE, TP53, NFE2L2, KEAP1 and CUL3 was performed using Ampliseq panels on Ion Torrent PGM (ThermoFisher). NRF2 activity was assessed by NQO1, GCLC, and AKR1C3 mRNA expressions, using TaqMan assays and quantitative RT-PCR. Results Tumors were classified as POLE exonuclease domain mutated (N = 3, 3%), MMR-deficient (MSI-like) (N = 28, 31%), TP53 mutated (Copy-number high-like) (N = 22, 24%), and other tumors (Copy-number low-like) (N = 32, 36%). NRF2 nuclear immunostaining did not correlate with NRF2 target genes expression. The 3 tumors with highest NRF2 target genes expression harbored oncogenic KEAP1 or NFE2L2 mutations. Low NQO1 mRNA and protein levels were observed in the TP53 mutated subgroup compared to others tumors (p < .05) and in silico analyses of The Cancer Genome Atlas data further indicated that NQO1 mRNA levels were lower in serous compared to endometrioid copy-number high EC. Conclusion In contrast with previous reports based on immunohistochemistry, our study indicates that NRF2 activation is a rare event in EC, associated with NFE2L2 or KEAP1 mutations. The subset of aggressive EC with low NQO1 mRNA level might represent a specific subgroup, which could be sensitive to combination therapies targeting oxidative stress.
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Affiliation(s)
| | - Pierre-Alexandre Just
- INSERM U1016, Cochin Institute, CARPEM, Paris, France
- Paris Descartes University, Sorbonne Paris Cité, Paris, France
- Department of Pathology, Cochin Hospital, Assistance Publique–Hopitaux de Paris, Paris, France
| | - Bastien Rance
- Paris Descartes University, Sorbonne Paris Cité, Paris, France
- Department of Medical Informatics, HEGP, Assistance Publique–Hopitaux de Paris, Paris, France
| | - Brigitte Izac
- INSERM U1016, Cochin Institute, CARPEM, Paris, France
- INSERM U1016, Cochin Institute, GENOMIC platform, Paris, France
| | - Franck Letourneur
- INSERM U1016, Cochin Institute, CARPEM, Paris, France
- INSERM U1016, Cochin Institute, GENOMIC platform, Paris, France
| | | | | | - Carole Nicco
- INSERM U1016, Cochin Institute, CARPEM, Paris, France
- Paris Descartes University, Sorbonne Paris Cité, Paris, France
| | - François Goldwasser
- Paris Descartes University, Sorbonne Paris Cité, Paris, France
- Department of Medical Oncology, Cochin Hospital, Assistance Publique–Hopitaux de Paris, Paris, France
| | - Eric Pasmant
- INSERM U1016, Cochin Institute, CARPEM, Paris, France
- Paris Descartes University, Sorbonne Paris Cité, Paris, France
- Department of Genetics and Molecular Biology, Cochin Hospital, Assistance Publique–Hopitaux de Paris, Paris, France
| | - Frederic Batteux
- INSERM U1016, Cochin Institute, CARPEM, Paris, France
- Paris Descartes University, Sorbonne Paris Cité, Paris, France
- Department of Immunology, Cochin Hospital, Assistance Publique–Hopitaux de Paris, Paris, France
| | - Bruno Borghese
- Paris Descartes University, Sorbonne Paris Cité, Paris, France
- Department of Gynecologic Surgery, Cochin Hospital, Assistance Publique–Hopitaux de Paris, Paris, France
| | - Jérôme Alexandre
- INSERM U1016, Cochin Institute, CARPEM, Paris, France
- Paris Descartes University, Sorbonne Paris Cité, Paris, France
- Department of Medical Oncology, Cochin Hospital, Assistance Publique–Hopitaux de Paris, Paris, France
| | - Karen Leroy
- INSERM U1016, Cochin Institute, CARPEM, Paris, France
- Paris Descartes University, Sorbonne Paris Cité, Paris, France
- Department of Genetics and Molecular Biology, Cochin Hospital, Assistance Publique–Hopitaux de Paris, Paris, France
- * E-mail:
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Luce S, Guinoiseau S, Gadault A, Letourneur F, Blondeau B, Nitschke P, Pasmant E, Vidaud M, Lemonnier F, Boitard C. Humanized Mouse Model to Study Type 1 Diabetes. Diabetes 2018; 67:1816-1829. [PMID: 29967002 DOI: 10.2337/db18-0202] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Accepted: 06/15/2018] [Indexed: 12/15/2022]
Abstract
Key requirements in type 1 diabetes (T1D) are in setting up new assays as diagnostic biomarkers that will apply to prediabetes, likely T-cell assays, and in designing antigen-specific therapies to prevent T1D development. New preclinical models of T1D will be required to help with advancing both aims. By crossing mouse strains that lack either murine MHC class I and class II genes and insulin genes, we developed YES mice that instead express human HLA-A*02:01, HLA-DQ8, and insulin genes as transgenes. The metabolic and immune phenotype of YES mice is basically identical to that of the parental strains. YES mice remain insulitis and diabetes free up to 1 year of follow-up, maintain normoglycemia to an intraperitoneal glucose challenge in the long-term range, have a normal β-cell mass, and show normal immune responses to conventional antigens. This new model has been designed to evaluate adaptive immune responses to human insulin on a genetic background that recapitulates a human high-susceptibility HLA-DQ8 genetic background. Although insulitis free, YES mice develop T1D when challenged with polyinosinic-polycytidylic acid. They allow the characterization of preproinsulin epitopes recognized by CD8+ and CD4+ T cells upon immunization against human preproinsulin or during diabetes development.
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MESH Headings
- Adaptive Immunity/drug effects
- Aging
- Animals
- Autoimmune Diseases/immunology
- Autoimmune Diseases/metabolism
- Autoimmune Diseases/pathology
- Autoimmune Diseases/physiopathology
- Biomarkers/blood
- Biomarkers/metabolism
- Crosses, Genetic
- Diabetes Mellitus, Type 1/immunology
- Diabetes Mellitus, Type 1/metabolism
- Diabetes Mellitus, Type 1/pathology
- Diabetes Mellitus, Type 1/physiopathology
- Disease Models, Animal
- Disease Progression
- Female
- HLA-A2 Antigen/genetics
- HLA-A2 Antigen/metabolism
- HLA-DQ Antigens/blood
- HLA-DQ Antigens/genetics
- HLA-DQ Antigens/metabolism
- Humans
- Insulin/blood
- Insulin/genetics
- Insulin/metabolism
- Islets of Langerhans/immunology
- Islets of Langerhans/metabolism
- Islets of Langerhans/pathology
- Islets of Langerhans/physiopathology
- Male
- Mice
- Mice, Inbred C57BL
- Mice, Inbred NOD
- Mice, Knockout
- Mice, Transgenic
- Poly I-C/toxicity
- Prediabetic State/immunology
- Prediabetic State/metabolism
- Prediabetic State/pathology
- Prediabetic State/physiopathology
- Protein Precursors/blood
- Protein Precursors/genetics
- Protein Precursors/metabolism
- Specific Pathogen-Free Organisms
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Affiliation(s)
- Sandrine Luce
- INSERM U1016, Institut Cochin, Paris, France
- Faculté de Médecine René Descartes, Université Paris Descartes, Paris, France
| | - Sophie Guinoiseau
- INSERM U1016, Institut Cochin, Paris, France
- Faculté de Médecine René Descartes, Université Paris Descartes, Paris, France
| | - Alexis Gadault
- INSERM U1016, Institut Cochin, Paris, France
- Faculté de Médecine René Descartes, Université Paris Descartes, Paris, France
| | | | | | - Patrick Nitschke
- Faculté de Médecine René Descartes, Université Paris Descartes, Paris, France
| | - Eric Pasmant
- Faculté de Médecine René Descartes, Université Paris Descartes, Paris, France
- Service de Biochimie et Génétique Moléculaire, Hôpital COCHIN, Paris, France
| | - Michel Vidaud
- Service de Biochimie et Génétique Moléculaire, Hôpital COCHIN, Paris, France
| | - François Lemonnier
- INSERM U1016, Institut Cochin, Paris, France
- Faculté de Médecine René Descartes, Université Paris Descartes, Paris, France
| | - Christian Boitard
- INSERM U1016, Institut Cochin, Paris, France
- Faculté de Médecine René Descartes, Université Paris Descartes, Paris, France
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Beinse G, Just PA, Rance B, Izac B, Letourneur F, Saidu NE, Chouzenoux S, Goldwasser F, Pasmant E, Batteux F, Borghese B, Leroy K, Alexandre J. Abstract 4609: High-grade TP53-mutated endometrial carcinomas have decreased NRF2 antioxidant activity. Cancer Res 2018. [DOI: 10.1158/1538-7445.am2018-4609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background
NRF2 is a major transcription factor regulating the expression of antioxidative/detoxifying enzymes. Its activation, due to mutations or activation of signaling pathways, has been associated with chemoresistance and poor prognosis in several tumors. NRF2 status remains unclear in endometrial carcinoma (EC). We aimed to identify molecular alterations associated with NRF2 activation in the four molecular subgroups of EC described by the Cancer Genome Atlas (TCGA), and explored its impact on EC prognosis.
Methods
Ninety patients treated in Cochin Hospital (2012 to 2017) for EC were included. Formalin-fixed paraffin-embedded tissue samples were processed for histopathological analysis and DNA and RNA extractions. Next generation sequencing (NGS) of NFE2L2 (encoding NRF2), KEAP1 and CUL3 genes and a panel of 15 genes significantly mutated in EC was performed using AmpliseqTM panels on Ion TorrentTM PGM (Thermo Fisher). The nuclear expression of mismatch repair (MMR) and NRF2 proteins were analyzed by immunochemistry (IHC). NRF2 activity was assessed by NQO1, GCLC, and AKR1C3 mRNA expressions, normalized to MRPL19 and TBP housekeeping genes, using TaqManTM assays and quantitative RT-PCR. Clinical event of interest was event-free survival (EFS) (progression, relapse, or death).
Results
Tumors were classified according to NGS and IHC data as POLE exonuclease domain mutated (N=3, 3%), MMR-deficient (dMMR) (N=28, 31%), TP53 mutated (N=23, 25%), and MMR-proficient tumors (N=32, 36%). NRF2 nuclear immunostaining was not correlated to NRF2 activity. The 3 tumors with highest NRF2 target genes expression harbored known NRF2 pathway activating mutations (NFE2L2 p.W24G, KEAP1 p.R336*, KEAP1 p.D422N). In addition, 2 dMMR tumors showed intermediate/high (1st quartile) NRF2 target genes expression and low allele ratio NFE2L2 mutations, suggesting NRF2 subclonal activation. No correlation was observed between NRF2 activity and PI3K or KRAS pathways mutations. The TP53 subgroup showed a strikingly lower NQO1 expression compared to dMMR or pMMR tumors (ANOVA p<.05). This observation was confirmed by in silico analyses of publicly available TCGA data. NQO1 low expression was significantly associated with poor EFS, independently of tumor stage (Cox p<.01).
Conclusion
In contrast with previous reports based on IHC, NRF2 activation is a rare event in EC, associated with NFE2L2 or KEAP1 mutations. NQO1 downregulation in the TP53-mutated subgroup might be explained by the interaction of NRF2 with TP53 missense mutants, which has been shown to impair its anti-oxidant transcriptional activity while enhancing proteasome expression (Walerych et al. Nat Cell Biol 2016). Very low levels of NQO1 expression identifies a subset of EC with a poor prognosis, which might be sensitive to specific combination therapies (Liu et al. Nat Commun. 2017).
Citation Format: Guillaume Beinse, Pierre-Alexandre Just, Bastien Rance, Brigitte Izac, Franck Letourneur, Nathaniel Edward Saidu, Sandrine Chouzenoux, François Goldwasser, Eric Pasmant, Frederic Batteux, Bruno Borghese, Karen Leroy, Jérome Alexandre. High-grade TP53-mutated endometrial carcinomas have decreased NRF2 antioxidant activity [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2018; 2018 Apr 14-18; Chicago, IL. Philadelphia (PA): AACR; Cancer Res 2018;78(13 Suppl):Abstract nr 4609.
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Affiliation(s)
- Guillaume Beinse
- 1Paris Descartes University, Sorbonne Paris Cité, INSERM U1016, Cochin Institute, CARPEM, PARIS, France
| | | | | | - Brigitte Izac
- 4INSERM U1016, Cochin Institute, GENOMIC plateform, PARIS, France
| | | | - Nathaniel Edward Saidu
- 1Paris Descartes University, Sorbonne Paris Cité, INSERM U1016, Cochin Institute, CARPEM, PARIS, France
| | - Sandrine Chouzenoux
- 1Paris Descartes University, Sorbonne Paris Cité, INSERM U1016, Cochin Institute, CARPEM, PARIS, France
| | - François Goldwasser
- 1Paris Descartes University, Sorbonne Paris Cité, INSERM U1016, Cochin Institute, CARPEM, PARIS, France
| | | | - Frederic Batteux
- 1Paris Descartes University, Sorbonne Paris Cité, INSERM U1016, Cochin Institute, CARPEM, PARIS, France
| | | | - Karen Leroy
- 1Paris Descartes University, Sorbonne Paris Cité, INSERM U1016, Cochin Institute, CARPEM, PARIS, France
| | - Jérome Alexandre
- 1Paris Descartes University, Sorbonne Paris Cité, INSERM U1016, Cochin Institute, CARPEM, PARIS, France
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damotte D, arrondeau J, boudou-rouquette P, lupo A, biton J, ouakrim H, Alifano M, Claire G, Bellesoeur A, Kramkimel N, Duche A, Letourneur F, Ren X, Morel P, Cesano A, Warren S, Goldwasser F, Leroy K. Abstract 4546: The tumor inflammation signature is predictive of anti-PD1 treatment benefit in the CERTIM pan-cancer cohort. Cancer Res 2018. [DOI: 10.1158/1538-7445.am2018-4546] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Purpose of the study : The 18-gene Tumor Inflammation Signature (TIS) (Ayers et al, J Clin Invest 2017; 127:2930) is a clinical research assay that enriches for clinical response to immune checkpoint blockade. In this work, the performance of the TIS was evaluated on standard tumor specimens for its ability to predict clinical benefit of immunotherapy in a cohort of cancer patients treated with PD1 checkpoint inhibitors in routine clinical care.
Experimental procedures : Consecutive metastatic cancer patients treated with anti-PD1 in the outpatient monocentric CERTIM cohort with available formalin fixed paraffin embedded tumor specimen were selected for analysis. RNA were extracted from tissue samples with High Pure FFPET RNA Isolation Kit (Roche) and 25-100 ng RNA was hybridized to a pilot version of the NanoString® PanCancer Immuno-oncology 360 Panel. The association between individual gene expression (GE), TIS and other GE signatures with outcome (response to therapy and overall survival) was assessed with logistic resgression model, LogRank tests and Cox model.
Results : A total of 69 patients with non-small cell lung carcinoma (NSCLC, n=42), small cell lung carcinoma (n=2), melanoma (n=9), renal cell carcinoma (n=10), urothelial carcinoma (n=5) or colorectal carcinoma (n=1), who had received nivolumab (n=59) or pembrolizumab (n=10) were analyzed. All samples but one SCLC could be successfully analyzed, demonstrating the feasibility of the testing even in small biopsy samples with little available RNA (>30 ng). In the whole cohort, clinical response (PR or CR versus SD or progression) was significantly associated with TIS score [OR=2.002, 95%CI=(1.123,3.977), p =0.029] as well as with the individual expression of PDL1, CTLA4, IDO1 or GE scores characterizing Th1, cytotoxic, NK cells infiltration, immuno-proteasome or antigen processing machinery. Receiver operating characteristics for response status demonstrated the high discriminatory ability of the TIS signature in this unselected series of patients (area under the ROC curve 0.71). Patients with a high TIS score (> 9.39) showed a longer OS (median OS 20.2 months) compared to those with lower scores (median OS 5.6 months, p value = 0.0017). A high TIS score was also significantly associated with clinical response when the analysis was limited to the NSCLC (n=42, [OR=3.156, 95%CI=(1.168,11.455), p-value=0.042] - or showed a strong trend in lung adenocarcinoma (n=29 [OR=11.251, 95%CI=(0.962,131.534), p-value=0.054] patients.
Conclusion : Due to costs and toxicity, it is mandatory to identify the patients who benefit of immune checkpoint inhibitors. Here we demonstrate that the Tumor Inflammation Signature, that reflects key processes involved in anti-tumor immune response, may be used in routine samples to predict clinical benefit and prolonged survival of cancer patients.
Citation Format: diane damotte, jennifer arrondeau, pascaline boudou-rouquette, audrey lupo, jerome biton, hanane ouakrim, Marco Alifano, Gervais Claire, Audrey Bellesoeur, Nora Kramkimel, Angeline Duche, Franck Letourneur, Xing Ren, Pascale Morel, Alessandra Cesano, Sarah Warren, François Goldwasser, Karen Leroy. The tumor inflammation signature is predictive of anti-PD1 treatment benefit in the CERTIM pan-cancer cohort [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2018; 2018 Apr 14-18; Chicago, IL. Philadelphia (PA): AACR; Cancer Res 2018;78(13 Suppl):Abstract nr 4546.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Karen Leroy
- 1University Paris Descartes APHP, Paris, France
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Garinet S, Nectoux J, Neou M, Pasmant E, Jouinot A, Sibony M, Orhant L, Pipoli da Fonseca J, Perlemoine K, Bricaire L, Groussin L, Soubrane O, Dousset B, Libe R, Letourneur F, Bertherat J, Assié G. Detection and monitoring of circulating tumor DNA in adrenocortical carcinoma. Endocr Relat Cancer 2018; 25:L13-L17. [PMID: 29212777 DOI: 10.1530/erc-17-0467] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Accepted: 12/06/2017] [Indexed: 02/02/2023]
Affiliation(s)
- Simon Garinet
- Institut Cochin INSERM U1016/UMR8104 and CNRS UMR-S8104Paris, France
| | - Juliette Nectoux
- Laboratory of Genetics and Molecular BiologyHôpital Cochin, Assistance Publique - Hôpitaux de Paris, Paris, France
| | - Mario Neou
- Institut Cochin INSERM U1016/UMR8104 and CNRS UMR-S8104Paris, France
| | - Eric Pasmant
- Laboratory of Genetics and Molecular BiologyHôpital Cochin, Assistance Publique - Hôpitaux de Paris, Paris, France
- INSERM UMR745Biological and Pharmaceutical Sciences University, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Anne Jouinot
- Institut Cochin INSERM U1016/UMR8104 and CNRS UMR-S8104Paris, France
- Department of Medical OncologyHôpital Cochin, Assistance Publique - Hôpitaux de Paris, Paris, France
| | - Mathilde Sibony
- Department of PathologyHôpital Cochin, Assistance Publique - Hôpitaux de Paris, Paris, France
| | - Lucie Orhant
- Laboratory of Genetics and Molecular BiologyHôpital Cochin, Assistance Publique - Hôpitaux de Paris, Paris, France
| | | | - Karine Perlemoine
- Institut Cochin INSERM U1016/UMR8104 and CNRS UMR-S8104Paris, France
| | - Léopoldine Bricaire
- Department of EndocrinologyCochin Hospital, Assistance Publique - Hôpitaux de Paris, Paris, France
| | - Lionel Groussin
- Institut Cochin INSERM U1016/UMR8104 and CNRS UMR-S8104Paris, France
- Department of EndocrinologyCochin Hospital, Assistance Publique - Hôpitaux de Paris, Paris, France
| | - Olivier Soubrane
- Department of Hepato-Pancreato-Biliary SurgeryHôpital Beaujon, Assistance Publique - Hôpitaux de Paris, Paris, France
| | - Bertrand Dousset
- Department of Digestive and Endocrine SurgeryAssistance Publique - Hôpitaux de Paris, Paris, France
| | - Rossella Libe
- Institut Cochin INSERM U1016/UMR8104 and CNRS UMR-S8104Paris, France
- Department of EndocrinologyCochin Hospital, Assistance Publique - Hôpitaux de Paris, Paris, France
| | | | - Jérome Bertherat
- Institut Cochin INSERM U1016/UMR8104 and CNRS UMR-S8104Paris, France
- Department of EndocrinologyCochin Hospital, Assistance Publique - Hôpitaux de Paris, Paris, France
- Reference Center for Rare Adrenal DiseasesReference Center for Rare Adrenal Cancer Network COMETE, Hôpital Cochin, AssistancePublique - Hôpitaux de Paris, Paris, France
| | - Guillaume Assié
- Institut Cochin INSERM U1016/UMR8104 and CNRS UMR-S8104Paris, France
- Department of EndocrinologyCochin Hospital, Assistance Publique - Hôpitaux de Paris, Paris, France
- Reference Center for Rare Adrenal DiseasesReference Center for Rare Adrenal Cancer Network COMETE, Hôpital Cochin, AssistancePublique - Hôpitaux de Paris, Paris, France
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Just PA, Letourneur F, Pouliquen C, Dome F, Audebourg A, Biquet P, Vidaud M, Terris B, Sibony M, Pasmant E. Identification by FFPE RNA-Seq of a new recurrent inversion leading to RBM10-TFE3 fusion in renal cell carcinoma with subtle TFE3 break-apart FISH pattern. Genes Chromosomes Cancer 2016; 55:541-8. [PMID: 26998913 DOI: 10.1002/gcc.22356] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2016] [Revised: 03/15/2016] [Accepted: 03/16/2016] [Indexed: 02/05/2023] Open
Abstract
Gene fusions involving TFE3 defines the "Xp11.2 translocations" subclass of renal cell carcinomas (RCCs) belonging to the MiT family translocation RCC. Four recurrent TFE3 fusion partners were identified to date: PRCC, ASPSCR1, SFPQ, and NONO. Break-apart TFE3 fluorescence in situ hybridization (FISH) on formalin-fixed and paraffin-embedded (FFPE) tissue sections is currently the gold standard for identification of TFE3 rearrangements. Herein, we report a case of RCC with a morphological appearance of Xp11.2 translocation, and positive TFE3 immunostaining. By FISH, the spots constituting the split signal were barely spaced, suggestive of a chromosome X inversion rather than a translocation. We performed RNA-seq from FFPE material to test this hypothesis. RNA-seq suggested a fusion of RBM10 gene exon 17 (Xp11.23) with TFE3 gene exon 5 (Xp11.2). RBM10-TFE3 fusion transcript was confirmed using specific RT-PCR. Our work showed that RNA-Seq is a robust technique to detect fusion transcripts from FFPE material. A RBM10-TFE3 fusion was previously described in single case of Xp11.2 RCC. Although rare, RBM10-TFE3 fusion variant (from chromosome X paracentric inversion), therefore, appears to be a recurrent molecular event in Xp11.2 RCCs. RBM10-TFE3 fusion should be added in the list of screened fusion transcripts in targeted molecular diagnostic multiplex RT-PCR. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Pierre-Alexandre Just
- Pathology Department, AP-HP, Hôpitaux universitaires Paris-Centre, Hôpital Cochin; Faculté de médecine Paris Descartes, Université Paris Descartes, Sorbonne Paris Cité, Paris, France.,INSERM, U1016, Institut Cochin, and CNRS, UMR8104, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Franck Letourneur
- Plateforme Génomique, Institut Cochin, CNRS UMR_S1016, INSERM U1016, Paris, France
| | - Christelle Pouliquen
- Pathology Department, AP-HP, Hôpitaux universitaires Paris-Centre, Hôpital Cochin; Faculté de médecine Paris Descartes, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Florence Dome
- Service d'anatomopathologie, CHC, Clinique Saint-Joseph, Université de Liège, Liège, Belgium
| | - Anne Audebourg
- Pathology Department, AP-HP, Hôpitaux universitaires Paris-Centre, Hôpital Cochin; Faculté de médecine Paris Descartes, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Philippe Biquet
- Service d'Urologie, CHC, Clinique Saint-Joseph, Université de Liège, Liège, Belgium
| | - Michel Vidaud
- Department of Molecular Genetics, AP-HP, Hôpitaux universitaires Paris-Centre, Hôpital Cochin, Paris, France.,EA7331, Université Paris Descartes, Sorbonne Paris Cité, Faculté de Pharmacie, Paris, France
| | - Benoit Terris
- Pathology Department, AP-HP, Hôpitaux universitaires Paris-Centre, Hôpital Cochin; Faculté de médecine Paris Descartes, Université Paris Descartes, Sorbonne Paris Cité, Paris, France.,INSERM, U1016, Institut Cochin, and CNRS, UMR8104, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Mathilde Sibony
- Pathology Department, AP-HP, Hôpitaux universitaires Paris-Centre, Hôpital Cochin; Faculté de médecine Paris Descartes, Université Paris Descartes, Sorbonne Paris Cité, Paris, France.,INSERM, U1016, Institut Cochin, and CNRS, UMR8104, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Eric Pasmant
- Department of Molecular Genetics, AP-HP, Hôpitaux universitaires Paris-Centre, Hôpital Cochin, Paris, France.,EA7331, Université Paris Descartes, Sorbonne Paris Cité, Faculté de Pharmacie, Paris, France
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Orhant L, Anselem O, Fradin M, Becker PH, Beugnet C, Deburgrave N, Tafuri G, Letourneur F, Goffinet F, Allach El Khattabi L, Leturcq F, Bienvenu T, Tsatsaris V, Nectoux J. Droplet digital PCR combined with minisequencing, a new approach to analyze fetal DNA from maternal blood: application to the non-invasive prenatal diagnosis of achondroplasia. Prenat Diagn 2016; 36:397-406. [PMID: 26850935 DOI: 10.1002/pd.4790] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2015] [Revised: 10/29/2015] [Accepted: 02/01/2016] [Indexed: 12/29/2022]
Abstract
BACKGROUND Achondroplasia is generally detected by abnormal prenatal ultrasound findings in the third trimester of pregnancy and then confirmed by molecular genetic testing of fetal genomic DNA obtained by aspiration of amniotic fluid. This invasive procedure presents a small but significant risk for both the fetus and mother. Therefore, non-invasive procedures using cell-free fetal DNA in maternal plasma have been developed for the detection of the fetal achondroplasia mutations. METHODS To determine whether the fetus carries the de novo mis-sense genetic mutation at nucleotide 1138 in FGFR3 gene involved in >99% of achondroplasia cases, we developed two independent methods: digital-droplet PCR combined with minisequencing, which are very sensitive methods allowing detection of rare alleles. RESULTS We collected 26 plasmatic samples from women carrying fetus at risk of achondroplasia and diagnosed to date a total of five affected fetuses in maternal blood. The sensitivity and specificity of our test are respectively 100% [95% confidence interval, 56.6-100%] and 100% [95% confidence interval, 84.5-100%]. CONCLUSIONS This novel, original strategy for non-invasive prenatal diagnosis of achondroplasia is suitable for implementation in routine clinical testing and allows considering extending the applications of these technologies in non-invasive prenatal diagnosis of many other monogenic diseases. © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Lucie Orhant
- Service de Biochimie et Génétique Moléculaire, HUPC Hôpital Cochin, Paris, France
| | - Olivia Anselem
- Maternité Cochin-Port Royal, HUPC Hôpital Cochin, Paris, France
| | - Mélanie Fradin
- Service de Génétique Médicale, CHU de Rennes, Rennes, France
| | | | - Caroline Beugnet
- Service de Biochimie et Génétique Moléculaire, HUPC Hôpital Cochin, Paris, France
| | - Nathalie Deburgrave
- Service de Biochimie et Génétique Moléculaire, HUPC Hôpital Cochin, Paris, France
| | - Gilles Tafuri
- Service de Biochimie et Génétique Moléculaire, HUPC Hôpital Cochin, Paris, France
| | - Franck Letourneur
- INSERM, U1016, Institut Cochin, CNRS UMR8104, Université Paris Descartes, Paris, France
| | | | | | - France Leturcq
- Service de Biochimie et Génétique Moléculaire, HUPC Hôpital Cochin, Paris, France
| | - Thierry Bienvenu
- Service de Biochimie et Génétique Moléculaire, HUPC Hôpital Cochin, Paris, France.,INSERM, U1016, Institut Cochin, CNRS UMR8104, Université Paris Descartes, Paris, France
| | | | - Juliette Nectoux
- Service de Biochimie et Génétique Moléculaire, HUPC Hôpital Cochin, Paris, France.,INSERM, U1016, Institut Cochin, CNRS UMR8104, Université Paris Descartes, Paris, France
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Hervé B, Coussement A, Gilbert T, Dumont F, Jacques S, Cuisset L, Chicard M, Hizem S, Bourdoncle P, Letourneur F, Dupont C, Vialard F, Choiset A, Dupont JM. Aneuploidy: the impact of chromosome imbalance on nuclear organization and overall genome expression. Clin Genet 2016; 90:35-48. [PMID: 27283765 DOI: 10.1111/cge.12731] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Revised: 01/05/2016] [Accepted: 01/05/2016] [Indexed: 12/19/2022]
Abstract
The organization and dynamics of chromatin within the interphase nucleus as chromosome territories (CTs) and the relationship with transcriptional regulation are not fully understood. We studied a natural example of chromosomal disorganization: aneuploidy due to trisomies 13, 18 and 21. We hypothesized that the presence of an extra copy of one chromosome alters the CT distribution, which perturbs transcriptional activity. We used 3D-FISH to study the position of the chromosomes of interest (18 and 21) in cultured amniocytes and chorionic villus cells from pregnancies with a normal or aneuploid karyotype. We studied the volumes of nuclei and CTs in both conditions and performed a compared transcriptome analysis. We did not observe any differences between euploid and aneuploid cells in terms of the radial and relative CT positions, suggesting that the same rules govern nuclear organization in cases of trisomy. We observed lower volumes for CTs 18 and 21. Overall genome expression profiles highlighted changes in the expression of a subset of genes in trisomic chromosomes, while the majority of transcriptional changes concerned genes located on euploid chromosomes. Our results suggest that a dosage imbalance of the genes on trisomic chromosomes is associated with a disturbance of overall genomic expression.
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Affiliation(s)
- B Hervé
- UFR des Sciences de la Santé Simone Veil, GIG, EA7404, Montigny le Bretonneux, France.,Génomique, Epigénétique et Physiopathologie de la Reproduction, U1016 INSERM-UMR 8104 CNRS, Institut Cochin, Université Paris Descartes, Paris, France.,Service de Cytogénétique, APHP - Hôpital Cochin, Paris, France.,Service de Cytogénétique, Centre Hospitalier Intercommunal de Poissy Saint-Germain-en-Laye, Poissy, France
| | - A Coussement
- Service de Cytogénétique, APHP - Hôpital Cochin, Paris, France
| | - T Gilbert
- Plate-Forme Cochin Imagerie, Université Paris Descartes, Institut Cochin, Paris, France
| | - F Dumont
- Genom'ic, Université Paris Descartes, Institut Cochin, Paris, France
| | - S Jacques
- Genom'ic, Université Paris Descartes, Institut Cochin, Paris, France
| | - L Cuisset
- Génomique, Epigénétique et Physiopathologie de la Reproduction, U1016 INSERM-UMR 8104 CNRS, Institut Cochin, Université Paris Descartes, Paris, France.,Service de Biochimie et Génétique Moléculaire, APHP - Hôpital Cochin, Paris, France
| | - M Chicard
- Genom'ic, Université Paris Descartes, Institut Cochin, Paris, France
| | - S Hizem
- Service de Cytogénétique, APHP - Hôpital Cochin, Paris, France
| | - P Bourdoncle
- Plate-Forme Cochin Imagerie, Université Paris Descartes, Institut Cochin, Paris, France
| | - F Letourneur
- Genom'ic, Université Paris Descartes, Institut Cochin, Paris, France
| | - C Dupont
- Unité fonctionnelle de Cytogénétique-Département de Génétique- APHP, Hôpital Robert Debré, Paris, France
| | - F Vialard
- UFR des Sciences de la Santé Simone Veil, GIG, EA7404, Montigny le Bretonneux, France.,Service de Cytogénétique, Centre Hospitalier Intercommunal de Poissy Saint-Germain-en-Laye, Poissy, France
| | - A Choiset
- Génomique, Epigénétique et Physiopathologie de la Reproduction, U1016 INSERM-UMR 8104 CNRS, Institut Cochin, Université Paris Descartes, Paris, France.,Service de Cytogénétique, APHP - Hôpital Cochin, Paris, France
| | - J-M Dupont
- Génomique, Epigénétique et Physiopathologie de la Reproduction, U1016 INSERM-UMR 8104 CNRS, Institut Cochin, Université Paris Descartes, Paris, France.,Service de Cytogénétique, APHP - Hôpital Cochin, Paris, France
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36
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Renaud J, Dumont F, Khelfaoui M, Foisset S, Letourneur F, Bienvenu T, Khwaja O, Dorseuil O, Billuart P. Identification of intellectual disability genes showing circadian clock-dependent expression in the mouse hippocampus. Neuroscience 2015; 308:11-50. [DOI: 10.1016/j.neuroscience.2015.08.066] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2015] [Revised: 08/24/2015] [Accepted: 08/26/2015] [Indexed: 10/23/2022]
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Costantino F, Talpin A, Evnouchidou I, Kadi A, Leboime A, Said-Nahal R, Bonilla N, Letourneur F, Leturcq T, Ka Z, van Endert P, Garchon HJ, Chiocchia G, Breban M. ERAP1 Gene Expression Is Influenced by Nonsynonymous Polymorphisms Associated With Predisposition to Spondyloarthritis. Arthritis Rheumatol 2015; 67:1525-34. [PMID: 25740711 DOI: 10.1002/art.39072] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2014] [Accepted: 02/10/2015] [Indexed: 12/27/2022]
Abstract
OBJECTIVE Several polymorphisms in ERAP1 are strongly associated with susceptibility to spondyloarthritis (SpA). The combination of rs17482078, rs10050860, and rs30187 results in the construction of 3 major haplotypes that are associated with SpA (the "protective" haplotype T/T/C, the "neutral" haplotype C/C/C, and the "susceptibility" haplotype C/C/T). The aim of the present study was to determine whether such haplotypes might affect endoplasmic reticulum aminopeptidase 1 (ERAP-1) messenger RNA (mRNA) expression, protein level, and/or enzymatic activity in antigen-presenting cells, a type of cell that is potentially relevant to disease pathogenesis. METHODS Monocyte-derived dendritic cells (DCs) were generated in 2 cohorts (a discovery cohort and a replication cohort) comprising a total of 23 SpA patients and 44 healthy controls. Lymphoblastoid B cell lines were established from individuals who were homozygous for the risk, the neutral, or the protective ERAP1 haplotype, respectively. In those samples, we investigated the relationship between ERAP1 haplotypes and mRNA expression level. We also used Western blot analysis to measure the relative protein expression of ERAP-1 and a fluorogenic assay to measure its enzymatic activity. RESULTS In monocyte-derived DCs, there was a strong association between ERAP1 haplotypes and the ERAP-1 mRNA expression level, with higher levels in subjects harboring the susceptibility haplotype (P = 0.001 and P = 5.6 × 10(-7) in the discovery and replication cohorts, respectively). In lymphoblastoid B cell lines, we observed a significant correlation between haplotype risk score and ERAP1 transcript or protein level (P = 0.003, ρ = 0.92 for both). Enzymatic activity followed a similar trend both in monocyte-derived DCs and in lymphoblastoid B cell lines. CONCLUSION These data provide strong evidence that SpA-associated ERAP1 polymorphisms affect the level of gene expression in antigen-presenting cells. How increased production/activity of ERAP-1 may influence susceptibility to SpA remains to be determined.
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Affiliation(s)
- Félicie Costantino
- INSERM U1173, Université de Versailles St. Quentin-en-Yvelines, and Laboratoire d'Excellence INFLAMEX, Paris, France and Hôpital Ambroise Paré, AP-HP, Boulogne-Billancourt, France
| | - Alice Talpin
- INSERM U1173, Université de Versailles St. Quentin-en-Yvelines, and Laboratoire d'Excellence INFLAMEX, Paris, France
| | - Irini Evnouchidou
- INSERM U1151, CNRS (UMR 8253), Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Amir Kadi
- INSERM U1173, Université de Versailles St. Quentin-en-Yvelines, and Laboratoire d'Excellence INFLAMEX, Paris, France
| | - Ariane Leboime
- Hôpital Ambroise Paré, AP-HP, Boulogne-Billancourt, France
| | | | - Nelly Bonilla
- INSERM U1173, Université de Versailles St. Quentin-en-Yvelines, and Laboratoire d'Excellence INFLAMEX, Paris, France
| | - Franck Letourneur
- Institut Cochin, INSERM U1016, CNRS (UMR8104) and Université Paris Descartes, Paris, France
| | - Tifenn Leturcq
- INSERM U1173, Université de Versailles St. Quentin-en-Yvelines, and Laboratoire d'Excellence INFLAMEX, Paris, France
| | - Zeyna Ka
- INSERM U1173, Université de Versailles St. Quentin-en-Yvelines, and Laboratoire d'Excellence INFLAMEX, Paris, France
| | - Peter van Endert
- INSERM U1151, CNRS (UMR 8253), Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Henri-Jean Garchon
- INSERM U1173, Université de Versailles St. Quentin-en-Yvelines, and Laboratoire d'Excellence INFLAMEX, Paris, France and Hôpital Ambroise Paré, AP-HP, Boulogne-Billancourt, France
| | - Gilles Chiocchia
- INSERM U1173, Université de Versailles St. Quentin-en-Yvelines, and Laboratoire d'Excellence INFLAMEX, Paris, France
| | - Maxime Breban
- INSERM U1173, Université de Versailles St. Quentin-en-Yvelines, and Laboratoire d'Excellence INFLAMEX, Paris, France and Hôpital Ambroise Paré, AP-HP, Boulogne-Billancourt, France
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38
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Lévy J, Cacheux W, Bara MA, L'Hermitte A, Lepage P, Fraudeau M, Trentesaux C, Lemarchand J, Durand A, Crain AM, Marchiol C, Renault G, Dumont F, Letourneur F, Delacre M, Schmitt A, Terris B, Perret C, Chamaillard M, Couty JP, Romagnolo B. Intestinal inhibition of Atg7 prevents tumour initiation through a microbiome-influenced immune response and suppresses tumour growth. Nat Cell Biol 2015; 17:1062-73. [PMID: 26214133 DOI: 10.1038/ncb3206] [Citation(s) in RCA: 135] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2015] [Accepted: 06/18/2015] [Indexed: 02/07/2023]
Abstract
Here, we show that autophagy is activated in the intestinal epithelium in murine and human colorectal cancer and that the conditional inactivation of Atg7 in intestinal epithelial cells inhibits the formation of pre-cancerous lesions in Apc(+/-) mice by enhancing anti-tumour responses. The antibody-mediated depletion of CD8(+) T cells showed that these cells are essential for the anti-tumoral responses mediated by the inhibition of autophagy. We show that Atg7 deficiency leads to intestinal dysbiosis and that the microbiota is required for anticancer responses. In addition, Atg7 deficiency resulted in a stress response accompanied by metabolic defects, AMPK activation and p53-mediated cell-cycle arrest in tumour cells but not in normal tissue. This study reveals that the inhibition of autophagy within the epithelium may prevent the development and progression of colorectal cancer in genetically predisposed patients.
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Affiliation(s)
- Jonathan Lévy
- 1] Institut Cochin, Université Paris Descartes, Centre National de la Recherche Scientifique (CNRS), UMR8104, Paris 75014, France [2] Institut National de la Sante et de la Recherche Médicale (INSERM), U1016, Paris 75014, France
| | - Wulfran Cacheux
- 1] Institut Cochin, Université Paris Descartes, Centre National de la Recherche Scientifique (CNRS), UMR8104, Paris 75014, France [2] Institut National de la Sante et de la Recherche Médicale (INSERM), U1016, Paris 75014, France [3] Department of Medical Oncology, Institut Curie, 26 rue d'Ulm, 75248 Paris Cedex 05, France [4] Pharmacogenomics Unit, Department of Genetics, Institut Curie, 26 rue d'Ulm, 75248 Paris Cedex 05, France
| | - Medhi Ait Bara
- 1] Institut Cochin, Université Paris Descartes, Centre National de la Recherche Scientifique (CNRS), UMR8104, Paris 75014, France [2] Institut National de la Sante et de la Recherche Médicale (INSERM), U1016, Paris 75014, France
| | - Antoine L'Hermitte
- 1] Institut Cochin, Université Paris Descartes, Centre National de la Recherche Scientifique (CNRS), UMR8104, Paris 75014, France [2] Institut National de la Sante et de la Recherche Médicale (INSERM), U1016, Paris 75014, France
| | - Patricia Lepage
- 1] Institut National de la Recherche Agronomique, Micalis UMR1319, Jouy-en-Josas 78352, France [2] AgroParisTech, Micalis UMR1319, 78350 Jouy-en-Josas, France
| | - Marie Fraudeau
- 1] Institut Cochin, Université Paris Descartes, Centre National de la Recherche Scientifique (CNRS), UMR8104, Paris 75014, France [2] Institut National de la Sante et de la Recherche Médicale (INSERM), U1016, Paris 75014, France
| | - Coralie Trentesaux
- 1] Institut Cochin, Université Paris Descartes, Centre National de la Recherche Scientifique (CNRS), UMR8104, Paris 75014, France [2] Institut National de la Sante et de la Recherche Médicale (INSERM), U1016, Paris 75014, France
| | - Julie Lemarchand
- 1] Institut Cochin, Université Paris Descartes, Centre National de la Recherche Scientifique (CNRS), UMR8104, Paris 75014, France [2] Institut National de la Sante et de la Recherche Médicale (INSERM), U1016, Paris 75014, France
| | - Aurélie Durand
- 1] Institut Cochin, Université Paris Descartes, Centre National de la Recherche Scientifique (CNRS), UMR8104, Paris 75014, France [2] Institut National de la Sante et de la Recherche Médicale (INSERM), U1016, Paris 75014, France
| | - Anne-Marie Crain
- 1] Institut Cochin, Université Paris Descartes, Centre National de la Recherche Scientifique (CNRS), UMR8104, Paris 75014, France [2] Institut National de la Sante et de la Recherche Médicale (INSERM), U1016, Paris 75014, France [3] Université Paris Diderot, UFR Sciences du Vivant, Sorbonne Paris Cité, Paris 75013, France
| | - Carmen Marchiol
- 1] Institut Cochin, Université Paris Descartes, Centre National de la Recherche Scientifique (CNRS), UMR8104, Paris 75014, France [2] Institut National de la Sante et de la Recherche Médicale (INSERM), U1016, Paris 75014, France
| | - Gilles Renault
- 1] Institut Cochin, Université Paris Descartes, Centre National de la Recherche Scientifique (CNRS), UMR8104, Paris 75014, France [2] Institut National de la Sante et de la Recherche Médicale (INSERM), U1016, Paris 75014, France
| | - Florent Dumont
- 1] Institut Cochin, Université Paris Descartes, Centre National de la Recherche Scientifique (CNRS), UMR8104, Paris 75014, France [2] Institut National de la Sante et de la Recherche Médicale (INSERM), U1016, Paris 75014, France
| | - Franck Letourneur
- 1] Institut Cochin, Université Paris Descartes, Centre National de la Recherche Scientifique (CNRS), UMR8104, Paris 75014, France [2] Institut National de la Sante et de la Recherche Médicale (INSERM), U1016, Paris 75014, France
| | - Myriam Delacre
- 1] Université Lille Nord de France, Lille 59000, France [2] Institut Pasteur de Lille, Center for Infection and Immunity of Lille, Lille 59800, France [3] Centre National de la Recherche Scientifique, Unité Mixte de Recherche, Lille 59046, France [4] Institut National de la Santé et de la Recherche Médicale, Lille 59045, France
| | - Alain Schmitt
- 1] Institut Cochin, Université Paris Descartes, Centre National de la Recherche Scientifique (CNRS), UMR8104, Paris 75014, France [2] Institut National de la Sante et de la Recherche Médicale (INSERM), U1016, Paris 75014, France
| | - Benoit Terris
- 1] Institut Cochin, Université Paris Descartes, Centre National de la Recherche Scientifique (CNRS), UMR8104, Paris 75014, France [2] Institut National de la Sante et de la Recherche Médicale (INSERM), U1016, Paris 75014, France [3] Service d'Anatomie et Cytologie Pathologiques, AP-HP, Hôpital Cochin, Université Paris Descartes, Paris 75014, France
| | - Christine Perret
- 1] Institut Cochin, Université Paris Descartes, Centre National de la Recherche Scientifique (CNRS), UMR8104, Paris 75014, France [2] Institut National de la Sante et de la Recherche Médicale (INSERM), U1016, Paris 75014, France
| | - Mathias Chamaillard
- 1] Université Lille Nord de France, Lille 59000, France [2] Institut Pasteur de Lille, Center for Infection and Immunity of Lille, Lille 59800, France [3] Centre National de la Recherche Scientifique, Unité Mixte de Recherche, Lille 59046, France [4] Institut National de la Santé et de la Recherche Médicale, Lille 59045, France
| | - Jean-Pierre Couty
- 1] Institut Cochin, Université Paris Descartes, Centre National de la Recherche Scientifique (CNRS), UMR8104, Paris 75014, France [2] Institut National de la Sante et de la Recherche Médicale (INSERM), U1016, Paris 75014, France [3] Université Paris Diderot, UFR Sciences du Vivant, Sorbonne Paris Cité, Paris 75013, France
| | - Béatrice Romagnolo
- 1] Institut Cochin, Université Paris Descartes, Centre National de la Recherche Scientifique (CNRS), UMR8104, Paris 75014, France [2] Institut National de la Sante et de la Recherche Médicale (INSERM), U1016, Paris 75014, France
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Delépine C, Nectoux J, Letourneur F, Baud V, Chelly J, Billuart P, Bienvenu T. Astrocyte Transcriptome from the Mecp2(308)-Truncated Mouse Model of Rett Syndrome. Neuromolecular Med 2015. [PMID: 26208914 DOI: 10.1007/s12017-015-8363-9] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Mutations in the gene encoding the transcriptional modulator methyl-CpG binding protein 2 (MeCP2) are responsible for the neurodevelopmental disorder Rett syndrome which is one of the most frequent sources of intellectual disability in women. Recent studies showed that loss of Mecp2 in astrocytes contributes to Rett-like symptoms and restoration of Mecp2 can rescue some of these defects. The goal of this work is to compare gene expression profiles of wild-type and mutant astrocytes from Mecp2(308/y) mice (B6.129S-MeCP2<tm1Heto>/J) by using Affymetrix mouse 2.0 microarrays. Results were confirmed by quantitative real-time RT-PCR and by Western blot analysis. Gene set enrichment analysis utilizing Ingenuity Pathways was employed to identify pathways disrupted by Mecp2 deficiency. A total of 2152 genes were statistically differentially expressed between wild-type and mutated samples, including 1784 coding transcripts. However, only 257 showed fold changes >1.2. We confirmed our data by replicative studies in independent primary cultures of cortical astrocytes from Mecp2-deficient mice. Interestingly, two genes known to encode secreted proteins, chromogranin B and lipocalin-2, showed significant dysregulation. These proteins secreted from Mecp2-deficient glia may exert negative non-cell autonomous effects on neuronal properties, including dendritic morphology. Moreover, transcriptional profiling revealed altered Nr2f2 expression which may explain down- and upregulation of several target genes in astrocytes such as Ccl2, Lcn2 and Chgb. Unraveling Nr2f2 involvement in Mecp2-deficient astrocytes could pave the way for a better understanding of Rett syndrome pathophysiology and offers new therapeutic perspectives.
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Affiliation(s)
- Chloé Delépine
- Inserm, U1016, Faculté de Médecine, Laboratoire de Génétique et de Physiopathologie des Maladies Mentales, Institut Cochin, 24 Rue du Faubourg Saint Jacques, 75014, Paris, France.,Cnrs, UMR8104, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Juliette Nectoux
- Inserm, U1016, Faculté de Médecine, Laboratoire de Génétique et de Physiopathologie des Maladies Mentales, Institut Cochin, 24 Rue du Faubourg Saint Jacques, 75014, Paris, France.,Cnrs, UMR8104, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France.,Groupe Universitaire Paris Centre, Site Cochin, Laboratoire de Biochimie et Génétique Moléculaire, Assistance Publique - Hôpitaux de Paris, 27 rue du Faubourg Saint Jacques, 75014, Paris, France
| | - Franck Letourneur
- Inserm, U1016, Faculté de Médecine, Laboratoire de Génétique et de Physiopathologie des Maladies Mentales, Institut Cochin, 24 Rue du Faubourg Saint Jacques, 75014, Paris, France.,Cnrs, UMR8104, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Véronique Baud
- Inserm, U1016, Faculté de Médecine, Laboratoire de Génétique et de Physiopathologie des Maladies Mentales, Institut Cochin, 24 Rue du Faubourg Saint Jacques, 75014, Paris, France.,Cnrs, UMR8104, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Jamel Chelly
- Inserm, U1016, Faculté de Médecine, Laboratoire de Génétique et de Physiopathologie des Maladies Mentales, Institut Cochin, 24 Rue du Faubourg Saint Jacques, 75014, Paris, France.,Cnrs, UMR8104, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Pierre Billuart
- Inserm, U1016, Faculté de Médecine, Laboratoire de Génétique et de Physiopathologie des Maladies Mentales, Institut Cochin, 24 Rue du Faubourg Saint Jacques, 75014, Paris, France.,Cnrs, UMR8104, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Thierry Bienvenu
- Inserm, U1016, Faculté de Médecine, Laboratoire de Génétique et de Physiopathologie des Maladies Mentales, Institut Cochin, 24 Rue du Faubourg Saint Jacques, 75014, Paris, France. .,Cnrs, UMR8104, Paris, France. .,Université Paris Descartes, Sorbonne Paris Cité, Paris, France. .,Groupe Universitaire Paris Centre, Site Cochin, Laboratoire de Biochimie et Génétique Moléculaire, Assistance Publique - Hôpitaux de Paris, 27 rue du Faubourg Saint Jacques, 75014, Paris, France.
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40
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Ambolet-Camoit A, Ottolenghi C, Leblanc A, Kim MJ, Letourneur F, Jacques S, Cagnard N, Guguen-Guillouzo C, Barouki R, Aggerbeck M. Two persistent organic pollutants which act through different xenosensors (alpha-endosulfan and 2,3,7,8 tetrachlorodibenzo-p-dioxin) interact in a mixture and downregulate multiple genes involved in human hepatocyte lipid and glucose metabolism. Biochimie 2015; 116:79-91. [PMID: 26159488 DOI: 10.1016/j.biochi.2015.07.003] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Accepted: 07/03/2015] [Indexed: 11/16/2022]
Abstract
Individuals, typically, are exposed to mixtures of environmental xenobiotics affecting multiple organs and acting through different xenosensors and pathways in species and cell-type specific manners. 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) and α-endosulfan are Persistent Organic Pollutants (POPs) and endocrine disruptors which act through different xenosensors and accumulate in the liver. Our objective in this HEALS study was to investigate the effects of the mixture of these POPs on gene expression in a human-derived hepatocyte cell line, HepaRG. We found that, in spite of having largely uncorrelated effects, TCDD and α-endosulfan, when mixed, alter the expression of genes. The combined effects of the mixture of the POPs significantly altered the expression of 100 genes (42 up- and 58 down-regulated) whereas the same concentration of either POP alone did not alter significantly the expression of these genes. For 32 other genes, selective inhibitory crosstalk between TCDD and α-endosulfan was observed. One of the POPs inhibited the effect, on gene expression, of the other in the mixture although, when used alone, that POP did not affect expression. The expression of another 82 genes was significantly altered (up- or down-regulated) by a single POP. The addition of the second POP either increased, in the same direction, the effect on gene expression or had no further effect. At low concentrations (0.2 nM TCDD and 1 μM α-endosulfan), the POPs still had significant effects and the levels of expression of the corresponding proteins were found to be affected for some genes. Particularly striking was the 80-90% inhibition, by the mixture, of the expression of a number of genes of several hepatic intermediary metabolic pathways (glycerolipid metabolism, FXR/RXR activation, glycolysis/gluconeogenesis, retinoid and bile acid biosynthesis), whereas each pollutant alone had only a moderate effect.
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Affiliation(s)
- Ariane Ambolet-Camoit
- Inserm UMR-S 1124, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Chris Ottolenghi
- Inserm UMR-S 1124, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France; APHP, Hôpital Necker Enfants Malades, Service de Biochimie Métabolique, Paris, France
| | - Alix Leblanc
- Inserm UMR-S 1124, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Min Ji Kim
- Inserm UMR-S 1124, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Franck Letourneur
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France; Plateforme de Génomique, Institut Cochin, Paris, France
| | - Sébastien Jacques
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France; Plateforme de Génomique, Institut Cochin, Paris, France
| | - Nicolas Cagnard
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France; Plateforme de Génomique, Institut Cochin, Paris, France
| | | | - Robert Barouki
- Inserm UMR-S 1124, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France; APHP, Hôpital Necker Enfants Malades, Service de Biochimie Métabolique, Paris, France
| | - Martine Aggerbeck
- Inserm UMR-S 1124, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Paris, France.
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Rodrigues RF, Zárate-Bladés CR, Rios WM, Soares LS, Souza PRM, Brandão IT, Masson AP, Arnoldi FGC, Ramos SG, Letourneur F, Jacques S, Cagnard N, Chiocchia G, Silva CL. Synergy of chemotherapy and immunotherapy revealed by a genome-scale analysis of murine tuberculosis. J Antimicrob Chemother 2015; 70:1774-83. [PMID: 25687643 DOI: 10.1093/jac/dkv023] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2014] [Accepted: 01/05/2015] [Indexed: 12/16/2022] Open
Abstract
OBJECTIVES Although TB immunotherapy improves the results of conventional drug treatment, the effects of combining chemotherapy and immunotherapy have never been systematically evaluated. We used a comprehensive lung transcriptome analysis to directly compare the activity of combined chemotherapy and immunotherapy with that of single treatments in a mouse model of TB. METHODS Mycobacterium tuberculosis-infected mice in the chronic phase of the disease (day 30) received: (i) isoniazid and rifampicin (drugs) daily for 30 days; (ii) DNA immunotherapy (DNA), consisting of four 100 μg injections at 10 day intervals; (iii) both therapies (DNA + drugs); or (iv) saline. The effects were evaluated 10 days after the end of treatment (day 70 post-infection). RESULTS In all groups a systemic reduction in the load of bacilli was observed, bacilli became undetectable in the drugs and DNA + drugs groups, but the whole lung transcriptome analysis showed 867 genes exclusively modulated by the DNA + drugs combination. Gene enrichment analysis indicated that DNA + drugs treatment provided synergistic effects, including the down-regulation of proinflammatory cytokines and mediators of fibrosis, as confirmed by real-time PCR, ELISA, histopathology and hydroxyproline assay. CONCLUSIONS Our results provide a molecular basis for the advantages of TB treatment using combined chemotherapy and DNA immunotherapy and demonstrate the synergistic effects obtained with this strategy.
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Affiliation(s)
- Rodrigo F Rodrigues
- The Centre for Tuberculosis Research, Department of Biochemistry and Immunology, Ribeirão Preto School of Medicine, University of São Paulo, São Paulo, Ribeirao Preto, 14049-900, Brazil
| | - Carlos R Zárate-Bladés
- The Centre for Tuberculosis Research, Department of Biochemistry and Immunology, Ribeirão Preto School of Medicine, University of São Paulo, São Paulo, Ribeirao Preto, 14049-900, Brazil
| | - Wendy M Rios
- The Centre for Tuberculosis Research, Department of Biochemistry and Immunology, Ribeirão Preto School of Medicine, University of São Paulo, São Paulo, Ribeirao Preto, 14049-900, Brazil
| | - Luana S Soares
- The Centre for Tuberculosis Research, Department of Biochemistry and Immunology, Ribeirão Preto School of Medicine, University of São Paulo, São Paulo, Ribeirao Preto, 14049-900, Brazil
| | - Patricia R M Souza
- The Centre for Tuberculosis Research, Department of Biochemistry and Immunology, Ribeirão Preto School of Medicine, University of São Paulo, São Paulo, Ribeirao Preto, 14049-900, Brazil
| | - Izaíra T Brandão
- The Centre for Tuberculosis Research, Department of Biochemistry and Immunology, Ribeirão Preto School of Medicine, University of São Paulo, São Paulo, Ribeirao Preto, 14049-900, Brazil
| | - Ana P Masson
- The Centre for Tuberculosis Research, Department of Biochemistry and Immunology, Ribeirão Preto School of Medicine, University of São Paulo, São Paulo, Ribeirao Preto, 14049-900, Brazil
| | - Frederico G C Arnoldi
- The Centre for Tuberculosis Research, Department of Biochemistry and Immunology, Ribeirão Preto School of Medicine, University of São Paulo, São Paulo, Ribeirao Preto, 14049-900, Brazil
| | - Simone G Ramos
- Department of Pathology, Ribeirão Preto School of Medicine, University of São Paulo, Ribeirao Preto, São Paulo, 14049-900, Brazil
| | - Franck Letourneur
- Université Paris-Descartes, Institut Cochin and INSERM U1016, CNRS (CMRS 8104), Paris, 75014, France
| | - Sébastien Jacques
- Université Paris-Descartes, Institut Cochin and INSERM U1016, CNRS (CMRS 8104), Paris, 75014, France
| | - Nicolas Cagnard
- Université Paris-Descartes, Institut Cochin and INSERM U1016, CNRS (CMRS 8104), Paris, 75014, France Hôpital Necker, Paris, 75015, France
| | - Gilles Chiocchia
- Université Paris-Descartes, Institut Cochin and INSERM U1016, CNRS (CMRS 8104), Paris, 75014, France
| | - Celio L Silva
- The Centre for Tuberculosis Research, Department of Biochemistry and Immunology, Ribeirão Preto School of Medicine, University of São Paulo, São Paulo, Ribeirao Preto, 14049-900, Brazil
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Zana-Taieb E, Pham H, Franco-Montoya ML, Jacques S, Letourneur F, Baud O, Jarreau PH, Vaiman D. Impaired alveolarization and intra-uterine growth restriction in rats: a postnatal genome-wide analysis. J Pathol 2015; 235:420-30. [DOI: 10.1002/path.4470] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2014] [Revised: 09/17/2014] [Accepted: 10/13/2014] [Indexed: 02/06/2023]
Affiliation(s)
- E Zana-Taieb
- Université Paris Descartes; Paris France
- Fondation PremUp, 53 avenue de l'Observatoire, 75014 Paris; France
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1141; Paris France
- Assistance Publique - Hôpitaux de Paris, Service de Médecine et Réanimation Néonatales de Port-Royal, Groupe Hospitalier Cochin, Broca, Hôtel-Dieu, 53 Avenue de l'Observatoire, 75014 Paris; France
| | - H Pham
- Fondation PremUp, 53 avenue de l'Observatoire, 75014 Paris; France
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1141; Paris France
| | - ML Franco-Montoya
- Institut National de la Santé et de la Recherche Médicale (INSERM) U955 IMRB Equipe 04, Faculté de Médecine de Créteil, 94010 Créteil; France
| | - S Jacques
- Genom'ic, INSERM U1016, CNRS UMR8104, Paris; France
| | - F Letourneur
- Genom'ic, INSERM U1016, CNRS UMR8104, Paris; France
| | - O Baud
- Fondation PremUp, 53 avenue de l'Observatoire, 75014 Paris; France
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1141; Paris France
- Assistance Publique - Hôpitaux de Paris, Service de Réanimation et Pédiatrie Néonatales, Hôpital Robert Debré, Paris; France
- Université Paris Diderot; Paris France
| | - PH Jarreau
- Université Paris Descartes; Paris France
- Fondation PremUp, 53 avenue de l'Observatoire, 75014 Paris; France
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1141; Paris France
- Assistance Publique - Hôpitaux de Paris, Service de Médecine et Réanimation Néonatales de Port-Royal, Groupe Hospitalier Cochin, Broca, Hôtel-Dieu, 53 Avenue de l'Observatoire, 75014 Paris; France
| | - D Vaiman
- Institut Cochin, INSERM U1016-CNRS, UMRS 104; Paris France
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Talpin A, Costantino F, Bonilla N, Leboime A, Letourneur F, Jacques S, Dumont F, Amraoui S, Dutertre CA, Garchon HJ, Breban M, Chiocchia G. Monocyte-derived dendritic cells from HLA-B27+ axial spondyloarthritis (SpA) patients display altered functional capacity and deregulated gene expression. Arthritis Res Ther 2014; 16:417. [PMID: 25142923 PMCID: PMC4292999 DOI: 10.1186/s13075-014-0417-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2014] [Accepted: 08/01/2014] [Indexed: 11/30/2022] Open
Abstract
Introduction This study aimed to compare the functional capacity and gene expression profile of monocyte-derived dendritic cells (MD-DCs) in HLA-B27+ axial spondyloarthritis (SpA) patients and healthy controls. Methods MD-DCs were differentiated with interleukin 4 (IL-4) and granulocyte-macrophage colony-stimulating factor (GM-CSF) for seven days, starting from purified CD14+ monocytes and stimulated with lipopolysaccharide (LPS) for six and twenty four hours. Their capacity to stimulate allogeneic CD4+ T cells from unrelated healthy donor was tested. Transcriptomic study was performed with Affymetrix HuGene 1.0 ST microarrays. Gene expression levels were compared between patients and controls using a multivariate design under a linear model (LIMMA). Real-time quantitative PCR (qRT-PCR) was performed for validation of the most striking gene expression differences. Results The stimulatory capacity of allogeneic CD4+ T cells by MD-DCs from SpA patients was decreased. Transcriptomic analysis revealed 81 genes differentially expressed in MD-DCs between SpA patients and controls (P <0.01 and fold-change <0.66 or >1.5). Four selected genes were validated by qRT-PCR: ADAMTS15, CITED2, F13A1 and SELL. Expression levels of ADAMTS15 and CITED2, encoding a metallopeptidase and a transcription factor, respectively, were inversely correlated with each other (R = 0.75, P = 0.0003). Furthermore, in silico analysis identified several genes of the Wnt signaling pathway having expression co-regulated with CITED2. Conclusion This study revealed altered function and gene expression pattern in MD-DCs from HLA-B27+ axial SpA. Co-expression study showed an inverse correlation between ADAMTS15 and CITED2. Moreover, the Wnt signaling pathway appeared as deregulated in SpA MD-DCs, a finding which may be connected to Th17-driven inflammatory responses. Electronic supplementary material The online version of this article (doi:10.1186/s13075-014-0417-0) contains supplementary material, which is available to authorized users.
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Charbord P, Pouget C, Binder H, Dumont F, Stik G, Levy P, Allain F, Marchal C, Richter J, Uzan B, Pflumio F, Letourneur F, Wirth H, Dzierzak E, Traver D, Jaffredo T, Durand C. A systems biology approach for defining the molecular framework of the hematopoietic stem cell niche. Cell Stem Cell 2014; 15:376-391. [PMID: 25042701 DOI: 10.1016/j.stem.2014.06.005] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2013] [Revised: 04/04/2014] [Accepted: 06/06/2014] [Indexed: 12/20/2022]
Abstract
Despite progress in identifying the cellular composition of hematopoietic stem/progenitor cell (HSPC) niches, little is known about the molecular requirements of HSPC support. To address this issue, we used a panel of six recognized HSPC-supportive stromal lines and less-supportive counterparts originating from embryonic and adult hematopoietic sites. Through comprehensive transcriptomic meta-analyses, we identified 481 mRNAs and 17 microRNAs organized in a modular network implicated in paracrine signaling. Further inclusion of 18 additional cell strains demonstrated that this mRNA subset was predictive of HSPC support. Our gene set contains most known HSPC regulators as well as a number of unexpected ones, such as Pax9 and Ccdc80, as validated by functional studies in zebrafish embryos. In sum, our approach has identified the core molecular network required for HSPC support. These cues, along with a searchable web resource, will inform ongoing efforts to instruct HSPC ex vivo amplification and formation from pluripotent precursors.
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Affiliation(s)
- Pierre Charbord
- INSERM U972, University Paris 11, Hôpital Paul Brousse, 94807 Villejuif, France.
| | - Claire Pouget
- Department of Cell and Developmental Biology, University of California, San Diego, La Jolla, CA 92093-0380, USA
| | - Hans Binder
- Interdisciplinary Center for Bioinformatics, University of Leipzig, 04107 Leipzig, Germany
| | - Florent Dumont
- Genomic Platform, Institut Cochin, INSERM U567, 75014 Paris, France
| | - Grégoire Stik
- Sorbonne Universités, UPMC Paris 06, IBPS, UMR 7622, Laboratoire de Biologie du Développement, 75005 Paris; CNRS, INSERM U1156, IBPS, UMR 7622, Laboratoire de Biologie du Développement, 75005 Paris, France
| | - Pacifique Levy
- Sorbonne Universités, UPMC Paris 06, IBPS, UMR 7622, Laboratoire de Biologie du Développement, 75005 Paris; CNRS, INSERM U1156, IBPS, UMR 7622, Laboratoire de Biologie du Développement, 75005 Paris, France
| | - Fabrice Allain
- Sorbonne Universités, UPMC Paris 06, IBPS, UMR 7622, Laboratoire de Biologie du Développement, 75005 Paris; CNRS, INSERM U1156, IBPS, UMR 7622, Laboratoire de Biologie du Développement, 75005 Paris, France
| | - Céline Marchal
- Sorbonne Universités, UPMC Paris 06, IBPS, UMR 7622, Laboratoire de Biologie du Développement, 75005 Paris; CNRS, INSERM U1156, IBPS, UMR 7622, Laboratoire de Biologie du Développement, 75005 Paris, France
| | - Jenna Richter
- Department of Cell and Developmental Biology, University of California, San Diego, La Jolla, CA 92093-0380, USA
| | - Benjamin Uzan
- UMR967 INSERM, LSHL/IRCM, CEA, University Paris 7, 92260 Fontenay-aux-Roses, France
| | - Françoise Pflumio
- UMR967 INSERM, LSHL/IRCM, CEA, University Paris 7, 92260 Fontenay-aux-Roses, France
| | | | - Henry Wirth
- Interdisciplinary Center for Bioinformatics, University of Leipzig, 04107 Leipzig, Germany
| | - Elaine Dzierzak
- Department of Cell Biology, Erasmus Stem Cell Institute, Erasmus Medical Center, P.O. Box 2040, 3000 CA Rotterdam, the Netherlands
| | - David Traver
- Department of Cell and Developmental Biology, University of California, San Diego, La Jolla, CA 92093-0380, USA
| | - Thierry Jaffredo
- Sorbonne Universités, UPMC Paris 06, IBPS, UMR 7622, Laboratoire de Biologie du Développement, 75005 Paris; CNRS, INSERM U1156, IBPS, UMR 7622, Laboratoire de Biologie du Développement, 75005 Paris, France
| | - Charles Durand
- Sorbonne Universités, UPMC Paris 06, IBPS, UMR 7622, Laboratoire de Biologie du Développement, 75005 Paris; CNRS, INSERM U1156, IBPS, UMR 7622, Laboratoire de Biologie du Développement, 75005 Paris, France.
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Fert I, Cagnard N, Glatigny S, Letourneur F, Jacques S, Smith JA, Colbert RA, Taurog JD, Chiocchia G, Araujo LM, Breban M. Reverse interferon signature is characteristic of antigen-presenting cells in human and rat spondyloarthritis. Arthritis Rheumatol 2014; 66:841-51. [PMID: 24757137 DOI: 10.1002/art.38318] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2013] [Accepted: 12/10/2013] [Indexed: 12/13/2022]
Abstract
OBJECTIVE In HLA-B27-transgenic rats, the development of a disorder that mimics spondyloarthritis (SpA) is highly correlated with dendritic cell (DC) dysfunction. The present study was undertaken to analyze the underlying mechanisms of this via transcriptome analysis. METHODS Transcriptome analysis of ex vivo-purified splenic CD103+CD4+ DCs from B27-transgenic rats and control rats was performed. Transcriptional changes in selected genes were confirmed by quantitative reverse transcriptase-polymerase chain reaction. A meta-analysis of our rat data and published data on gene expression in macrophages from ankylosing spondylitis (AS) patients was further performed. RESULTS Interferon (IFN) signaling was the most significantly affected pathway in DCs from B27-transgenic rats; the majority of genes connected to IFN were underexpressed in B27-transgenic rats as compared to controls. This pattern was already present at disease onset, persisted over time, and was conserved in 2 disease-prone B27-transgenic rat lines. In DCs from B27-transgenic rats, we further found an up-regulation of suppressor of cytokine signaling 3 (which may account for reverse IFN signaling) and a down-regulation of interleukin-27 (a cytokine that opposes Th17 differentiation and promotes Treg cells). The meta-analysis of data on conventional DCs from rats and data on monocyte-derived macrophages from humans revealed 7 IFN-regulated genes that were negatively regulated in both human and rat SpA (i.e., IRF1, STAT1, CXCL9, CXCL10, IFIT3, DDX60, and EPSTI1). CONCLUSION Our results suggest that expression of HLA-B27 leads to a defect in IFNγ signaling in antigen-presenting cells in both B27-transgenic rats and SpA patients, which may result in Th17 expansion and Treg cell alteration (as shown in B27-transgenic rats) and contribute to disease pathogenesis.
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Affiliation(s)
- Ingrid Fert
- Université Paris-Descartes, Sorbonne Paris Cité, Laboratoire d'Excellence Inflamex, Institut Cochin, and INSERM U1016, CNRS (UMR 8104), Paris, France
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Assié G, Libé R, Espiard S, Rizk-Rabin M, Guimier A, Luscap W, Barreau O, Lefèvre L, Sibony M, Guignat L, Rodriguez S, Perlemoine K, René-Corail F, Letourneur F, Trabulsi B, Poussier A, Chabbert-Buffet N, Borson-Chazot F, Groussin L, Bertagna X, Stratakis CA, Ragazzon B, Bertherat J. ARMC5 mutations in macronodular adrenal hyperplasia with Cushing's syndrome. N Engl J Med 2013; 369:2105-14. [PMID: 24283224 PMCID: PMC4727443 DOI: 10.1056/nejmoa1304603] [Citation(s) in RCA: 234] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Corticotropin-independent macronodular adrenal hyperplasia may be an incidental finding or it may be identified during evaluation for Cushing's syndrome. Reports of familial cases and the involvement of both adrenal glands suggest a genetic origin of this condition. METHODS We genotyped blood and tumor DNA obtained from 33 patients with corticotropin-independent macronodular adrenal hyperplasia (12 men and 21 women who were 30 to 73 years of age), using single-nucleotide polymorphism arrays, microsatellite markers, and whole-genome and Sanger sequencing. The effects of armadillo repeat containing 5 (ARMC5) inactivation and overexpression were tested in cell-culture models. RESULTS The most frequent somatic chromosome alteration was loss of heterozygosity at 16p (in 8 of 33 patients for whom data were available [24%]). The most frequent mutation identified by means of whole-genome sequencing was in ARMC5, located at 16p11.2. ARMC5 mutations were detected in tumors obtained from 18 of 33 patients (55%). In all cases, both alleles of ARMC5 carried mutations: one germline and the other somatic. In 4 patients with a germline ARMC5 mutation, different nodules from the affected adrenals harbored different secondary ARMC5 alterations. Transcriptome-based classification of corticotropin-independent macronodular adrenal hyperplasia indicated that ARMC5 mutations influenced gene expression, since all cases with mutations clustered together. ARMC5 inactivation decreased steroidogenesis in vitro, and its overexpression altered cell survival. CONCLUSIONS Some cases of corticotropin-independent macronodular adrenal hyperplasia appear to be genetic, most often with inactivating mutations of ARMC5, a putative tumor-suppressor gene. Genetic testing for this condition, which often has a long and insidious prediagnostic course, might result in earlier identification and better management. (Funded by Agence Nationale de la Recherche and others.).
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Affiliation(s)
- Guillaume Assié
- From INSERM Unité 1016, Centre National de la Recherche Scientifique Unité Mixte de Recherche 8104, Institut Cochin (G.A., R.L., S.E., M.R.-R., A.G., W.L., O.B., L.L., S.R., K.P., F.R.-C., F.L., L. Groussin, X.B., B.R., J.B.), Faculté de Médecine Paris Descartes, Université Paris Descartes, Sorbonne Paris Cité (G.A., S.E., A.G., O.B., L.L., M.S., K.P., F.R.-C., L. Groussin, X.B., J.B.), Department of Endocrinology, Referral Center for Rare Adrenal Diseases (G.A., R.L., O.B., L. Guignat, L. Groussin, X.B., J.B.), and Department of Pathology (M.S.), Assistance Publique-Hôpitaux de Paris, Hôpital Cochin, and Unit of Endocrinology, Department of Obstetrics and Gynecology, Hôpital Tenon (N.C.-B.) - all in Paris; Unit of Endocrinology, Centre Hospitalier du Centre Bretagne, Site de Kério, Noyal-Pontivy (B.T.), Unit of Endocrinology, Hôtel Dieu du Creusot, Le Creusot (A.P.), and Department of Endocrinology Lyon-Est, Groupement Hospitalier Est, Bron (F.B.-C.) - all in France; and the Section on Endocrinology and Genetics, Program on Developmental Endocrinology and Genetics and the Pediatric Endocrinology Inter-Institute Training Program, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD (C.A.S.)
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Salmon B, Bardet C, Khaddam M, Naji J, Coyac BR, Baroukh B, Letourneur F, Lesieur J, Decup F, Le Denmat D, Nicoletti A, Poliard A, Rowe PS, Huet E, Vital SO, Linglart A, McKee MD, Chaussain C. MEPE-derived ASARM peptide inhibits odontogenic differentiation of dental pulp stem cells and impairs mineralization in tooth models of X-linked hypophosphatemia. PLoS One 2013; 8:e56749. [PMID: 23451077 PMCID: PMC3579870 DOI: 10.1371/journal.pone.0056749] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2012] [Accepted: 01/13/2013] [Indexed: 01/09/2023] Open
Abstract
Mutations in PHEX (phosphate-regulating gene with homologies to endopeptidases on the X-chromosome) cause X-linked familial hypophosphatemic rickets (XLH), a disorder having severe bone and tooth dentin mineralization defects. The absence of functional PHEX leads to abnormal accumulation of ASARM (acidic serine- and aspartate-rich motif) peptide − a substrate for PHEX and a strong inhibitor of mineralization − derived from MEPE (matrix extracellular phosphoglycoprotein) and other matrix proteins. MEPE-derived ASARM peptide accumulates in tooth dentin of XLH patients where it may impair dentinogenesis. Here, we investigated the effects of ASARM peptides in vitro and in vivo on odontoblast differentiation and matrix mineralization. Dental pulp stem cells from human exfoliated deciduous teeth (SHEDs) were seeded into a 3D collagen scaffold, and induced towards odontogenic differentiation. Cultures were treated with synthetic ASARM peptides (phosphorylated and nonphosphorylated) derived from the human MEPE sequence. Phosphorylated ASARM peptide inhibited SHED differentiation in vitro, with no mineralized nodule formation, decreased odontoblast marker expression, and upregulated MEPE expression. Phosphorylated ASARM peptide implanted in a rat molar pulp injury model impaired reparative dentin formation and mineralization, with increased MEPE immunohistochemical staining. In conclusion, using complementary models to study tooth dentin defects observed in XLH, we demonstrate that the MEPE-derived ASARM peptide inhibits both odontogenic differentiation and matrix mineralization, while increasing MEPE expression. These results contribute to a partial mechanistic explanation of XLH pathogenesis: direct inhibition of mineralization by ASARM peptide leads to the mineralization defects in XLH teeth. This process appears to be positively reinforced by the increased MEPE expression induced by ASARM. The MEPE-ASARM system can therefore be considered as a potential therapeutic target.
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Affiliation(s)
- Benjamin Salmon
- EA 2496, Pathologies, Imaging and Biotherapies of the Tooth, UFR Odontologie, University Paris Descartes PRES Sorbonne Paris Cité, Montrouge, France
- AP-HP Odontology Department Bretonneau – Louis Mourier, Hôpitaux Universitaires Paris Nord Val de Seine, Paris France
- Centre de Référence des Maladies Rares du Métabolisme du Phosphore et du Calcium, AP-HP, Kremlin Bicêtre, France
| | - Claire Bardet
- EA 2496, Pathologies, Imaging and Biotherapies of the Tooth, UFR Odontologie, University Paris Descartes PRES Sorbonne Paris Cité, Montrouge, France
| | - Mayssam Khaddam
- EA 2496, Pathologies, Imaging and Biotherapies of the Tooth, UFR Odontologie, University Paris Descartes PRES Sorbonne Paris Cité, Montrouge, France
| | - Jiar Naji
- EA 2496, Pathologies, Imaging and Biotherapies of the Tooth, UFR Odontologie, University Paris Descartes PRES Sorbonne Paris Cité, Montrouge, France
| | - Benjamin R. Coyac
- EA 2496, Pathologies, Imaging and Biotherapies of the Tooth, UFR Odontologie, University Paris Descartes PRES Sorbonne Paris Cité, Montrouge, France
- AP-HP Odontology Department Bretonneau – Louis Mourier, Hôpitaux Universitaires Paris Nord Val de Seine, Paris France
- Faculty of Dentistry, and Department of Anatomy and Cell Biology, McGill University, Montreal, Quebec, Canada
| | - Brigitte Baroukh
- EA 2496, Pathologies, Imaging and Biotherapies of the Tooth, UFR Odontologie, University Paris Descartes PRES Sorbonne Paris Cité, Montrouge, France
| | - Franck Letourneur
- Institut Cochin, University Paris Descartes PRES Sorbonne Paris Cité, Paris, France
| | - Julie Lesieur
- EA 2496, Pathologies, Imaging and Biotherapies of the Tooth, UFR Odontologie, University Paris Descartes PRES Sorbonne Paris Cité, Montrouge, France
| | - Franck Decup
- EA 2496, Pathologies, Imaging and Biotherapies of the Tooth, UFR Odontologie, University Paris Descartes PRES Sorbonne Paris Cité, Montrouge, France
- AP-HP Odontology Department Charles Foix, Ivry Sur Seine, France
| | - Dominique Le Denmat
- EA 2496, Pathologies, Imaging and Biotherapies of the Tooth, UFR Odontologie, University Paris Descartes PRES Sorbonne Paris Cité, Montrouge, France
| | - Antonino Nicoletti
- Inserm UMRS698, Paris, France
- Denis Diderot University, UMRS698, Paris, France
| | - Anne Poliard
- EA 2496, Pathologies, Imaging and Biotherapies of the Tooth, UFR Odontologie, University Paris Descartes PRES Sorbonne Paris Cité, Montrouge, France
| | - Peter S. Rowe
- The Kidney Institute, University of Kansas Medical Center, Kansas City, Kansas, United States of America
| | - Eric Huet
- Université Paris-Est, Laboratoire CRRET, CNRS, Créteil, France
| | - Sibylle Opsahl Vital
- EA 2496, Pathologies, Imaging and Biotherapies of the Tooth, UFR Odontologie, University Paris Descartes PRES Sorbonne Paris Cité, Montrouge, France
- AP-HP Odontology Department Bretonneau – Louis Mourier, Hôpitaux Universitaires Paris Nord Val de Seine, Paris France
- Centre de Référence des Maladies Rares du Métabolisme du Phosphore et du Calcium, AP-HP, Kremlin Bicêtre, France
| | - Agnès Linglart
- Centre de Référence des Maladies Rares du Métabolisme du Phosphore et du Calcium, AP-HP, Kremlin Bicêtre, France
- APHP Endocrinology and Diabetology for Children, Bicêtre Paris Sud Hospital, Kremlin Bicêtre, France
- Université Paris-Sud, Kremlin Bicêtre, France
| | - Marc D. McKee
- Faculty of Dentistry, and Department of Anatomy and Cell Biology, McGill University, Montreal, Quebec, Canada
| | - Catherine Chaussain
- EA 2496, Pathologies, Imaging and Biotherapies of the Tooth, UFR Odontologie, University Paris Descartes PRES Sorbonne Paris Cité, Montrouge, France
- AP-HP Odontology Department Bretonneau – Louis Mourier, Hôpitaux Universitaires Paris Nord Val de Seine, Paris France
- Centre de Référence des Maladies Rares du Métabolisme du Phosphore et du Calcium, AP-HP, Kremlin Bicêtre, France
- * E-mail:
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Mondoulet L, Dioszeghy V, Puteaux E, Ligouis M, Dhelft V, Letourneur F, Dupont C, Benhamou PH. Intact skin and not stripped skin is crucial for the safety and efficacy of peanut epicutaneous immunotherapy (EPIT) in mice. Clin Transl Allergy 2012; 2:22. [PMID: 23140259 PMCID: PMC3542018 DOI: 10.1186/2045-7022-2-22] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2012] [Accepted: 11/08/2012] [Indexed: 01/14/2023] Open
Abstract
Background Epicutaneous immunotherapy (EPIT) on intact skin with an epicutaneous delivery system has already been used in preclinical and clinical studies. In epicutaneous vaccination and immunotherapy, the stripping of skin before application of the allergen is suggested to facilitate the passage of allergen through immune cells. Objectives The aim of this study was to compare the immunological response induced by EPIT performed on intact and stripped skin in a mouse model of peanut allergy. Methods After oral sensitization with peanut and cholera toxin, BALB/c mice were epicutaneously treated using an epicutaneous delivery system (Viaskin® (DBV Technologies, Paris) applied either on intact skin or on stripped skin. Following EPIT, mice received an exclusive oral peanut regimen, aimed at triggering esophageal and jejunal lesions. We assessed eosinophil infiltration by histology, mRNA expression in the esophagus, antibody levels and peripheral T-cell response. Results EPIT on intact skin significantly reduced Th2 immunological response (IgE response and splenocyte secretion of Th2 cytokines) as well as esophageal eosinophilia (2.7 ± 0.9, compared to Sham 19.9 ± 1.5, p < 0.01), mRNA expression of Th2 cytokines in tissue and intestinal villus sub-atrophia (2.9 ± 0.2 vs Sham, 2.1 ± 0.2, p < 0.05). By contrast, EPIT on stripped skin reinforced Th2 systemic immunological response as well as eosinophil infiltration (26.8 ± 15.1), mRNA expression of Th2 cytokines and duodenal villus/crypt-ratio (2.4 ± 0.3). Conclusions Epicutaneous allergen-specific immunotherapy needs the integrity of superficial layers of the stratum corneum to warranty safety of treatment and to induce a tolerogenic profile of the immune response.
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Barbaux S, Gascoin-Lachambre G, Buffat C, Monnier P, Mondon F, Tonanny MB, Pinard A, Auer J, Bessières B, Barlier A, Jacques S, Simeoni U, Dandolo L, Letourneur F, Jammes H, Vaiman D. A genome-wide approach reveals novel imprinted genes expressed in the human placenta. Epigenetics 2012; 7:1079-90. [PMID: 22894909 PMCID: PMC3466192 DOI: 10.4161/epi.21495] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Genomic imprinting characterizes genes with a monoallelic expression, which is dependent on the parental origin of each allele. Approximately 150 imprinted genes are known to date, in humans and mice but, though computational searches have tried to extract intrinsic characteristics of these genes to identify new ones, the existing list is probably far from being comprehensive. We used a high-throughput strategy by diverting the classical use of genotyping microarrays to compare the genotypes of mRNA/cDNA vs. genomic DNA to identify new genes presenting monoallelic expression, starting from human placental material. After filtering of data, we obtained a list of 1,082 putative candidate monoallelic SNPs located in more than one hundred candidate genes. Among these, we found known imprinted genes, such as IPW, GRB10, INPP5F and ZNF597, which contribute to validate the approach. We also explored some likely candidates of our list and identified seven new imprinted genes, including ZFAT, ZFAT-AS1, GLIS3, NTM, MAGI2, ZC3H12Cand LIN28B, four of which encode zinc finger transcription factors. They are, however, not imprinted in the mouse placenta, except for Magi2. We analyzed in more details the ZFAT gene, which is paternally expressed in the placenta (as ZFAT-AS1, a non-coding antisense RNA) but biallelic in other tissues. The ZFAT protein is expressed in endothelial cells, as well as in syncytiotrophoblasts. The expression of this gene is, moreover, downregulated in placentas from complicated pregnancies. With this work we increase by about 10% the number of known imprinted genes in humans.
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Cosson P, Letourneur F. Transport et triage membranaire dans les cellules eucaryotes. Med Sci (Paris) 2012. [DOI: 10.4267/10608/1707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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