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Cosson C, Riou R, Patoli D, Niu T, Rey A, Groslambert M, De Rosny C, Chatre E, Allatif O, Henry T, Venet F, Milhavet F, Boursier G, Belot A, Jamilloux Y, Merlin E, Duquesne A, Grateau G, Savey L, Jacques Maria AT, Pagnier A, Poutrel S, Lambotte O, Mallebranche C, Ardois S, Richer O, Lemelle I, Rieux-Laucat F, Bader-Meunier B, Amoura Z, Melki I, Cuisset L, Touitou I, Geyer M, Georgin-Lavialle S, Py BF. Functional diversity of NLRP3 gain-of-function mutants associated with CAPS autoinflammation. J Exp Med 2024; 221:e20231200. [PMID: 38530241 DOI: 10.1084/jem.20231200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 12/22/2023] [Accepted: 02/27/2024] [Indexed: 03/27/2024] Open
Abstract
NLRP3-associated autoinflammatory disease is a heterogenous group of monogenic conditions caused by NLRP3 gain-of-function mutations. The poor functional characterization of most NLRP3 variants hinders diagnosis despite efficient anti-IL-1 treatments. Additionally, while NLRP3 is controlled by priming and activation signals, gain-of-functions have only been investigated in response to priming. Here, we characterize 34 NLRP3 variants in vitro, evaluating their activity upon induction, priming, and/or activation signals, and their sensitivity to four inhibitors. We highlight the functional diversity of the gain-of-function mutants and describe four groups based on the signals governing their activation, correlating partly with the symptom severity. We identify a new group of NLRP3 mutants responding to the activation signal without priming, associated with frequent misdiagnoses. Our results identify key NLRP3 residues controlling inflammasome activity and sensitivity to inhibitors, and antagonistic mechanisms with broader efficacy for therapeutic strategies. They provide new insights into NLRP3 activation, an explanatory mechanism for NLRP3-AID heterogeneity, and original tools for NLRP3-AID diagnosis and drug development.
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Affiliation(s)
- Camille Cosson
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308 , ENS de Lyon, Lyon, France
| | - Romane Riou
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308 , ENS de Lyon, Lyon, France
| | - Danish Patoli
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308 , ENS de Lyon, Lyon, France
| | - Tingting Niu
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308 , ENS de Lyon, Lyon, France
- Tongji University Cancer Center, Shanghai Tenth People's Hospital, School of Medicine, Tongji University , Shanghai, China
| | - Amaury Rey
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308 , ENS de Lyon, Lyon, France
| | - Marine Groslambert
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308 , ENS de Lyon, Lyon, France
| | - Charlotte De Rosny
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308 , ENS de Lyon, Lyon, France
| | - Elodie Chatre
- Univ Lyon, ENS de Lyon, Inserm, CNRS SFR Biosciences US8 UAR3444, Université Claude Bernard Lyon 1 , Lyon, France
| | - Omran Allatif
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308 , ENS de Lyon, Lyon, France
| | - Thomas Henry
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308 , ENS de Lyon, Lyon, France
| | - Fabienne Venet
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308 , ENS de Lyon, Lyon, France
| | - Florian Milhavet
- Institute for Regenerative Medicine and Biotherapy, Inserm, U1183, University of Montpellier , Montpellier, France
- Department of Molecular Genetics, Medical Genetics of Rare and Autoinflammatory Disease Unit, Montpellier University Hospital, Montpellier, France
- Centre de Référence des Maladies Autoinflammatoires et des Amyloses Inflammatoires, CEREMAIA , France
| | - Guilaine Boursier
- Institute for Regenerative Medicine and Biotherapy, Inserm, U1183, University of Montpellier , Montpellier, France
- Department of Molecular Genetics, Medical Genetics of Rare and Autoinflammatory Disease Unit, Montpellier University Hospital, Montpellier, France
- Centre de Référence des Maladies Autoinflammatoires et des Amyloses Inflammatoires, CEREMAIA , France
| | - Alexandre Belot
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308 , ENS de Lyon, Lyon, France
- Centre de Référence des Maladies Autoinflammatoires et des Amyloses Inflammatoires, CEREMAIA , France
- Pediatric Nephrology, Rheumatology, Dermatology Department, National Referee Centre for Rheumatic and Autoimmune Diseases in Children (RAISE), Hôpital Femme-Mère-Enfant, Hospices Civils de Lyon, Bron, France
- Lyon Immunopathology Federation (LIFE), Université Claude Bernard Lyon 1 , Lyon, France
| | - Yvan Jamilloux
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308 , ENS de Lyon, Lyon, France
- Centre de Référence des Maladies Autoinflammatoires et des Amyloses Inflammatoires, CEREMAIA , France
- Lyon Immunopathology Federation (LIFE), Université Claude Bernard Lyon 1 , Lyon, France
- Service de Médecine Interne, Hôpital de la Croix-Rousse, Hospices Civils de Lyon , Lyon, France
| | - Etienne Merlin
- Department of Pediatrics, Clermont-Ferrand University Hospital, Clermont-Ferrand, France
| | - Agnès Duquesne
- Centre de Référence des Maladies Autoinflammatoires et des Amyloses Inflammatoires, CEREMAIA , France
- Pediatric Nephrology, Rheumatology, Dermatology Department, National Referee Centre for Rheumatic and Autoimmune Diseases in Children (RAISE), Hôpital Femme-Mère-Enfant, Hospices Civils de Lyon, Bron, France
| | - Gilles Grateau
- Centre de Référence des Maladies Autoinflammatoires et des Amyloses Inflammatoires, CEREMAIA , France
- Sorbonne Université, Department of Internal Medicine, National Reference Center for Autoinflammatory Diseases and AA Amyloidosis, Tenon Hospital, Assistance Publique-Hôpitaux de Paris , Paris, France
| | - Léa Savey
- Centre de Référence des Maladies Autoinflammatoires et des Amyloses Inflammatoires, CEREMAIA , France
- Sorbonne Université, Department of Internal Medicine, National Reference Center for Autoinflammatory Diseases and AA Amyloidosis, Tenon Hospital, Assistance Publique-Hôpitaux de Paris , Paris, France
| | - Alexandre Thibault Jacques Maria
- Internal Medicine and Onco-Immunology (MedI2O), Institute for Regenerative Medicine and Biotherapy (IRMB), Saint Eloi Hospital, Montpellier University , Montpellier, France
| | - Anne Pagnier
- Centre Hospitalier Universitaire Grenoble Alpes, Immunologie Clinique, Immuno-Hémato-Oncologie (IHO), Hôpital Couple-Enfant , Grenoble, France
| | - Solène Poutrel
- Service de Médecine Interne, Hospices Civils de Lyon, Edouard Herriot Hospital , Lyon, France
| | - Olivier Lambotte
- Assistance Publique-Hôpitaux de Paris, Service de Médecine Interne et Immunologie Clinique, Groupe Hospitalier Universitaire Paris Saclay, Hôpital Bicêtre , Le Kremlin-Bicêtre, France
- Université Paris Saclay, Inserm UMR, 1184, CEA , Le Kremlin-Bicêtre, France
| | - Coralie Mallebranche
- Université d'Angers, Université de Nantes, Inserm, CNRS, CRCI2NA, SFR ICAT, Angers, France
- Centre Hospitalier Universitaire d'Angers, Pediatric Immuno-Hemato-Oncology Unit, France
| | - Samuel Ardois
- Médecine Interne et Immunologie Clinique , Centre Hospitalier Universitaire de Rennes, Rennes, France
| | - Olivier Richer
- Paediatric, Rheumatology and Paediatric Internal Medicine, Reference Center for Rheumatic, Autoimmune and Systemic Diseases in Children (RAISE), Children's Hospital , Bordeaux, France
| | - Irène Lemelle
- Department of Pediatric Onco-hematology, Children Hospital, University Hospital of Nancy, Lorraine University, Vandoeuvre-lès-Nancy, France
| | - Frédéric Rieux-Laucat
- Université Paris Cité, Institut Imagine, Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, Inserm UMR 1163 , Paris, France
| | - Brigitte Bader-Meunier
- Université Paris Cité, Institut Imagine, Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, Inserm UMR 1163 , Paris, France
- Pediatric Immunology, Hematology and Rheumatology Department, Hôpital Necker, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Zahir Amoura
- Assistance Publique-Hôpitaux de Paris (AP-HP)-Sorbonne Université, Hopital Pitié-Salpétrière, Institut E3M, Service de Médecine Interne 2, Centre National de Référence Lupus et Syndrome des Anticorps Antiphospholipides, Centre d'Immunologie et des Maladies Infectieuses (CIMI), Paris, France
| | - Isabelle Melki
- Paediatric, Rheumatology and Paediatric Internal Medicine, Reference Center for Rheumatic, Autoimmune and Systemic Diseases in Children (RAISE), Children's Hospital , Bordeaux, France
- General Pediatrics, Infectious Disease and Internal Medicine Department, Hôpital Robert Debre, Assistance Publique-Hôpitaux de Paris (AP-HP), Reference Center for Rheumatic, AutoImmune and Systemic Diseases in Children (RAISE), Paris, France
- Laboratory of Neurogenetics and Neuroinflammation, Imagine Institute , Paris, France
| | - Laurence Cuisset
- Université Paris Cité, Service de Médecine Génomique des Maladies de Système et D'Organe, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris , Paris, France
| | - Isabelle Touitou
- Institute for Regenerative Medicine and Biotherapy, Inserm, U1183, University of Montpellier , Montpellier, France
- Department of Molecular Genetics, Medical Genetics of Rare and Autoinflammatory Disease Unit, Montpellier University Hospital, Montpellier, France
- Centre de Référence des Maladies Autoinflammatoires et des Amyloses Inflammatoires, CEREMAIA , France
| | - Matthias Geyer
- Institute of Structural Biology, University of Bonn , Bonn, Germany
| | - Sophie Georgin-Lavialle
- Centre de Référence des Maladies Autoinflammatoires et des Amyloses Inflammatoires, CEREMAIA , France
- Sorbonne Université, Department of Internal Medicine, National Reference Center for Autoinflammatory Diseases and AA Amyloidosis, Tenon Hospital, Assistance Publique-Hôpitaux de Paris , Paris, France
| | - Bénédicte F Py
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308 , ENS de Lyon, Lyon, France
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2
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Moreews M, Mathieu AL, Pouxvielh K, Reuschlé Q, Drouillard A, Dessay P, Meignien M, Zhang J, Fallone L, Rousseaux N, Ainouze M, Rey A, Omarjee O, Decembre E, Lenief V, Djebali S, Thaunat O, Dreux M, Genestier L, Defrance T, Soulas-Sprauel P, Marçais A, Walzer T, Belot A. mTOR Activation Underlies Enhanced B Cell Proliferation and Autoimmunity in PrkcdG510S/G510S Mice. J Immunol 2023; 210:1209-1221. [PMID: 36961448 DOI: 10.4049/jimmunol.2200818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 02/21/2023] [Indexed: 03/25/2023]
Abstract
Autosomal recessive PRKCD deficiency has previously been associated with the development of systemic lupus erythematosus in human patients, but the mechanisms underlying autoimmunity remain poorly understood. We introduced the Prkcd G510S mutation that we previously associated to a Mendelian cause of systemic lupus erythematosus in the mouse genome, using CRISPR-Cas9 gene editing. PrkcdG510S/G510S mice recapitulated the human phenotype and had reduced lifespan. We demonstrate that this phenotype is linked to a B cell-autonomous role of Prkcd. A detailed analysis of B cell activation in PrkcdG510S/G510S mice shows an upregulation of the PI3K/mTOR pathway after the engagement of the BCR in these cells, leading to lymphoproliferation. Treatment of mice with rapamycin, an mTORC1 inhibitor, significantly improves autoimmune symptoms, demonstrating in vivo the deleterious effect of mTOR pathway activation in PrkcdG510S/G510S mice. Additional defects in PrkcdG510S/G510S mice include a decrease in peripheral mature NK cells that might contribute to the known susceptibility to viral infections of patients with PRKCD mutations.
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Affiliation(s)
- Marion Moreews
- CIRI, Centre International de Recherche en Infectiologie, (Team LYACTS), Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Lyon, France
| | - Anne-Laure Mathieu
- CIRI, Centre International de Recherche en Infectiologie, (Team LYACTS), Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Lyon, France
| | - Kevin Pouxvielh
- CIRI, Centre International de Recherche en Infectiologie, (Team LYACTS), Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Lyon, France
| | - Quentin Reuschlé
- INSERM UMR-S1109, Department of Clinical Immunology and Internal Medicine, National Reference Center for Systemic Autoimmune Diseases, Tertiary Center for Primary Immunodeficiency, Faculty of Pharmacy, Université de Strasbourg, Strasbourg, France
| | - Annabelle Drouillard
- CIRI, Centre International de Recherche en Infectiologie, (Team LYACTS), Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Lyon, France
| | - Pénélope Dessay
- CIRI, Centre International de Recherche en Infectiologie, (Team LYACTS), Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Lyon, France
| | - Marie Meignien
- CIRI, Centre International de Recherche en Infectiologie, (Team LYACTS), Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Lyon, France
- Hospices Civils de Lyon, Edouard Herriot Hospital, Immunology Laboratory, Lyon, France
| | - Jiang Zhang
- CIRI, Centre International de Recherche en Infectiologie, (Team LYACTS), Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Lyon, France
| | - Lucie Fallone
- CIRI, Centre International de Recherche en Infectiologie, (Team LYACTS), Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Lyon, France
| | - Noëmi Rousseaux
- CIRI, Centre International de Recherche en Infectiologie, (Team LYACTS), Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Lyon, France
| | - Michelle Ainouze
- CIRI, Centre International de Recherche en Infectiologie, (Team LYACTS), Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Lyon, France
| | - Amaury Rey
- CIRI, Centre International de Recherche en Infectiologie, (Team LYACTS), Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Lyon, France
| | - Ommar Omarjee
- CIRI, Centre International de Recherche en Infectiologie, (Team LYACTS), Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Lyon, France
| | - Elodie Decembre
- CIRI, Centre International de Recherche en Infectiologie, (Team LYACTS), Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Lyon, France
| | - Vanina Lenief
- CIRI, Centre International de Recherche en Infectiologie, (Team LYACTS), Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Lyon, France
| | - Sophia Djebali
- CIRI, Centre International de Recherche en Infectiologie, (Team LYACTS), Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Lyon, France
| | - Olivier Thaunat
- CIRI, Centre International de Recherche en Infectiologie, (Team LYACTS), Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Lyon, France
- Department of Transplantation, Nephrology and Clinical Immunology, Edouard Herriot Hospital, Hospices Civils de Lyon, Lyon, France
- Lyon-Est Medical Faculty, Claude Bernard University (Lyon 1), Lyon, France
| | - Marlène Dreux
- CIRI, Centre International de Recherche en Infectiologie, (Team LYACTS), Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Lyon, France
| | - Laurent Genestier
- CIRI, Centre International de Recherche en Infectiologie, (Team LYACTS), Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Lyon, France
| | - Thierry Defrance
- CIRI, Centre International de Recherche en Infectiologie, (Team LYACTS), Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Lyon, France
| | - Pauline Soulas-Sprauel
- INSERM UMR-S1109, Department of Clinical Immunology and Internal Medicine, National Reference Center for Systemic Autoimmune Diseases, Tertiary Center for Primary Immunodeficiency, Faculty of Pharmacy, Université de Strasbourg, Strasbourg, France
| | - Antoine Marçais
- CIRI, Centre International de Recherche en Infectiologie, (Team LYACTS), Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Lyon, France
| | - Thierry Walzer
- CIRI, Centre International de Recherche en Infectiologie, (Team LYACTS), Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Lyon, France
| | - Alexandre Belot
- CIRI, Centre International de Recherche en Infectiologie, (Team LYACTS), Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Lyon, France
- Hospices Civils de Lyon, Edouard Herriot Hospital, Immunology Laboratory, Lyon, France
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Dyrda A, Rey A, Pighin MS, Jürgens I. Transient intraoperative opacification of a Carlevale intraocular lens. J Fr Ophtalmol 2023; 46:e28-e29. [PMID: 36470751 DOI: 10.1016/j.jfo.2022.07.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Accepted: 07/01/2022] [Indexed: 12/04/2022]
Affiliation(s)
- A Dyrda
- Institut Català de Retina, C/de Ganduxer, 117, 08022 Barcelona, Spain.
| | - A Rey
- Institut Català de Retina, C/de Ganduxer, 117, 08022 Barcelona, Spain
| | - M S Pighin
- Institut Català de Retina, C/de Ganduxer, 117, 08022 Barcelona, Spain
| | - I Jürgens
- Institut Català de Retina, C/de Ganduxer, 117, 08022 Barcelona, Spain
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Martínez Coq P, Rey A, Rosso OA, Armentano R, Legnani W. Detection of cardiac arrhythmia patterns in ECG through H × C plane. Chaos 2022; 32:123118. [PMID: 36587353 DOI: 10.1063/5.0118717] [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] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 11/10/2022] [Indexed: 06/17/2023]
Abstract
The aim of this study is to formulate a new methodology based upon informational tools to detect patients with cardiac arrhythmias. As it is known, sudden death is the consequence of a final arrhythmia, and here lies the relevance of the efforts aimed at the early detection of arrhythmias. The information content in the time series from an electrocardiogram (ECG) signal is conveyed in the form of a probability distribution function, to compute the permutation entropy proposed by Bandt and Pompe. This selection was made seeking its remarkable conceptual simplicity, computational speed, and robustness to noise. In this work, two well-known databases were used, one containing normal sinus rhythms and another one containing arrhythmias, both from the MIT medical databank. For different values of embedding time delay τ, normalized permutation entropy and statistical complexity measure are computed to finally represent them on the horizontal and vertical axes, respectively, which define the causal plane H×C. To improve the results obtained in previous works, a feature set composed by these two magnitudes is built to train the following supervised machine learning algorithms: random forest (RF), support vector machine (SVM), and k nearest neighbors (kNN). To evaluate the performance of each classification technique, a 10-fold cross-validation scheme repeated 10 times was implemented. Finally, to select the best model, three quality parameters were computed, namely, accuracy, the area under the receiver operative characteristic (ROC) curve (AUC), and the F1-score. The results obtained show that the best classification model to detect the ECG coming from arrhythmic patients is RF. The values of the quality parameters were at the same levels reported in the available literature using a larger data set, thus supporting this proposal that uses a very small-sized feature space to train the model later used to classify. Summarizing, the attained results show the possibility to discriminate both groups of patients, with normal sinus rhythm or arrhythmic ECG, showing a promising efficiency in the definition of new markers for the detection of cardiovascular pathologies.
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Affiliation(s)
- P Martínez Coq
- Signal and Image Processing Center (CPSI), Facultad Regional Buenos Aires. Universidad Tecnológica Nacional, Ciudad Autónoma de Buenos Aires C1179AAQ, Argentina
| | - A Rey
- Signal and Image Processing Center (CPSI), Facultad Regional Buenos Aires. Universidad Tecnológica Nacional, Ciudad Autónoma de Buenos Aires C1179AAQ, Argentina
| | - O A Rosso
- Physics Institute, Universidade Federal de Alagoas (UFAL), Maceió CEP 57072-900, Brazil
| | - R Armentano
- Bioengineering Research and Development Group (GIBIO), Facultad Regional Buenos Aires. Universidad Tecnológica Nacional, Ciudad Autónoma de Buenos Aires C1179AAQ, Argentina
| | - W Legnani
- Signal and Image Processing Center (CPSI), Facultad Regional Buenos Aires. Universidad Tecnológica Nacional, Ciudad Autónoma de Buenos Aires C1179AAQ, Argentina
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5
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Spiegel K, Rey A, Ayling K, Benedict C, Lange T, Prather A, Irwin M, Van Cauter E. Impact of sleep duration on the response to vaccination: A meta-analysis. Sleep Med 2022. [PMCID: PMC9300187 DOI: 10.1016/j.sleep.2022.05.485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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6
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Rey A, Malézieux O, Potié A. The fresh gas flow decoupling valve and the potential for leaks in the anaesthetic circle breathing system. Anaesth Rep 2021; 9:e12141. [PMID: 34881364 DOI: 10.1002/anr3.12141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/12/2021] [Indexed: 11/06/2022] Open
Affiliation(s)
- A Rey
- Department of Anaesthesiology Lausanne University Hospital-CHUV Lausanne Switzerland
| | - O Malézieux
- Department of Anaesthesiology Lausanne University Hospital-CHUV Lausanne Switzerland
| | - A Potié
- Department of Anaesthesiology Lausanne University Hospital-CHUV Lausanne Switzerland
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7
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Niu T, De Rosny C, Chautard S, Rey A, Patoli D, Groslambert M, Cosson C, Lagrange B, Zhang Z, Visvikis O, Hacot S, Hologne M, Walker O, Wong J, Wang P, Ricci R, Henry T, Boyer L, Petrilli V, Py BF. NLRP3 phosphorylation in its LRR domain critically regulates inflammasome assembly. Nat Commun 2021; 12:5862. [PMID: 34615873 PMCID: PMC8494922 DOI: 10.1038/s41467-021-26142-w] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [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: 02/08/2021] [Accepted: 09/17/2021] [Indexed: 11/16/2022] Open
Abstract
NLRP3 controls the secretion of inflammatory cytokines IL-1β/18 and pyroptosis by assembling the inflammasome. Upon coordinated priming and activation stimuli, NLRP3 recruits NEK7 within hetero-oligomers that nucleate ASC and caspase-1 filaments, but the apical molecular mechanisms underlying inflammasome assembly remain elusive. Here we show that NEK7 recruitment to NLRP3 is controlled by the phosphorylation status of NLRP3 S803 located within the interaction surface, in which NLRP3 S803 is phosphorylated upon priming and later dephosphorylated upon activation. Phosphomimetic substitutions of S803 abolish NEK7 recruitment and inflammasome activity in macrophages in vitro and in vivo. In addition, NLRP3-NEK7 binding is also essential for NLRP3 deubiquitination by BRCC3 and subsequently inflammasome assembly, with NLRP3 phosphomimetic mutants showing enhanced ubiquitination and degradation than wildtype NLRP3. Finally, we identify CSNK1A1 as the kinase targeting NLRP3 S803. Our findings thus reveal NLRP3 S803 phosphorylation status as a druggable apical molecular mechanism controlling inflammasome assembly. Nlrp3 inflammasome activation requires Nek7 recruitment to drive ASC speck formation. Here the authors show how Nlrp3 phosphorylation events control this Nek7 recruitment.
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Affiliation(s)
- Tingting Niu
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France.,Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, 500 Dongchuan Road, 200241, Shanghai, China
| | - Charlotte De Rosny
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
| | - Séverine Chautard
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
| | - Amaury Rey
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
| | - Danish Patoli
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
| | - Marine Groslambert
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
| | - Camille Cosson
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
| | - Brice Lagrange
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
| | - Zhirong Zhang
- IGBMC, Institut de Génétique et de Biologie Moléculaire et Cellulaire, CNRS, UMR7104, Inserm, U964, Université de Strasbourg, Illkirch, France
| | - Orane Visvikis
- Université Côte d'Azur, Inserm, C3M, F-06204, Nice, France
| | - Sabine Hacot
- CRCL, Centre de Recherche en Cancérologie de Lyon, INSERM U1052, CNRS UMR5286, Université de Lyon, Université Lyon 1, Centre Léon Bérard, Lyon, France
| | - Maggy Hologne
- Institut des Sciences Analytiques (ISA), Univ Lyon, CNRS, CNRS UMR5280, Université Claude Bernard Lyon 1, Villeurbanne, France
| | - Olivier Walker
- Institut des Sciences Analytiques (ISA), Univ Lyon, CNRS, CNRS UMR5280, Université Claude Bernard Lyon 1, Villeurbanne, France
| | - Jeimin Wong
- Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, 500 Dongchuan Road, 200241, Shanghai, China
| | - Ping Wang
- Shanghai Tenth People's Hospital of Tongji University, Tongji Cancer Center, School of Medicine, Tongji University, 200092, Shanghai, China
| | - Roméo Ricci
- IGBMC, Institut de Génétique et de Biologie Moléculaire et Cellulaire, CNRS, UMR7104, Inserm, U964, Université de Strasbourg, Illkirch, France
| | - Thomas Henry
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
| | - Laurent Boyer
- Université Côte d'Azur, Inserm, C3M, F-06204, Nice, France
| | - Virginie Petrilli
- CRCL, Centre de Recherche en Cancérologie de Lyon, INSERM U1052, CNRS UMR5286, Université de Lyon, Université Lyon 1, Centre Léon Bérard, Lyon, France
| | - Bénédicte F Py
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France.
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8
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Zhang J, Wencker M, Marliac Q, Berton A, Hasan U, Schneider R, Laubreton D, Cherrier DE, Mathieu AL, Rey A, Jiang W, Caramel J, Genestier L, Marçais A, Marvel J, Ghavi-Helm Y, Walzer T. Zeb1 represses TCR signaling, promotes the proliferation of T cell progenitors and is essential for NK1.1 + T cell development. Cell Mol Immunol 2021; 18:2140-2152. [PMID: 32398809 PMCID: PMC8429412 DOI: 10.1038/s41423-020-0459-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [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: 11/05/2019] [Revised: 04/22/2020] [Accepted: 04/23/2020] [Indexed: 01/15/2023] Open
Abstract
T cell development proceeds under the influence of a network of transcription factors (TFs). The precise role of Zeb1, a member of this network, remains unclear. Here, we report that Zeb1 expression is induced early during T cell development in CD4-CD8- double-negative (DN) stage 2 (DN2). Zeb1 expression was further increased in the CD4+CD8+ double-positive (DP) stage before decreasing in more mature T cell subsets. We performed an exhaustive characterization of T cells in Cellophane mice that bear Zeb1 hypomorphic mutations. The Zeb1 mutation profoundly affected all thymic subsets, especially DN2 and DP cells. Zeb1 promoted the survival and proliferation of both cell populations in a cell-intrinsic manner. In the periphery of Cellophane mice, the number of conventional T cells was near normal, but invariant NKT cells, NK1.1+ γδ T cells and Ly49+ CD8 T cells were virtually absent. This suggested that Zeb1 regulates the development of unconventional T cell types from DP progenitors. A transcriptomic analysis of WT and Cellophane DP cells revealed that Zeb1 regulated the expression of multiple genes involved in the cell cycle and TCR signaling, which possibly occurred in cooperation with Tcf1 and Heb. Indeed, Cellophane DP cells displayed stronger signaling than WT DP cells upon TCR engagement in terms of the calcium response, phosphorylation events, and expression of early genes. Thus, Zeb1 is a key regulator of the cell cycle and TCR signaling during thymic T cell development. We propose that thymocyte selection is perturbed in Zeb1-mutated mice in a way that does not allow the survival of unconventional T cell subsets.
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Affiliation(s)
- Jiang Zhang
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
- Shanghai Key Laboratory of Regulatory Biology, School of Life Sciences, East China Normal University, Shanghai, China
| | - Mélanie Wencker
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
| | - Quentin Marliac
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
| | - Aurore Berton
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
| | - Uzma Hasan
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
| | - Raphaël Schneider
- Institut de Génomique Fonctionnelle de Lyon, CNRS UMR 5242, Ecole Normale Supérieure de Lyon, Université Claude Bernard Lyon 1, 46 allée d'Italie, F-69364, Lyon, France
| | - Daphné Laubreton
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
| | - Dylan E Cherrier
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
| | - Anne-Laure Mathieu
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
| | - Amaury Rey
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
| | - Wenzheng Jiang
- Shanghai Key Laboratory of Regulatory Biology, School of Life Sciences, East China Normal University, Shanghai, China
| | - Julie Caramel
- CRCL, Centre de Recherche sur le Cancer de Lyon, INSERM U1052-CNRS UMR5286, Centre Léon Bérard, Université Claude Bernard Lyon 1, Lyon, France
| | - Laurent Genestier
- CRCL, Centre de Recherche sur le Cancer de Lyon, INSERM U1052-CNRS UMR5286, Centre Léon Bérard, Université Claude Bernard Lyon 1, Lyon, France
| | - Antoine Marçais
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
| | - Jacqueline Marvel
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
| | - Yad Ghavi-Helm
- Institut de Génomique Fonctionnelle de Lyon, CNRS UMR 5242, Ecole Normale Supérieure de Lyon, Université Claude Bernard Lyon 1, 46 allée d'Italie, F-69364, Lyon, France
| | - Thierry Walzer
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France.
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9
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Dufies O, Doye A, Courjon J, Torre C, Michel G, Loubatier C, Jacquel A, Chaintreuil P, Majoor A, Guinamard RR, Gallerand A, Saavedra PHV, Verhoeyen E, Rey A, Marchetti S, Ruimy R, Czerucka D, Lamkanfi M, Py BF, Munro P, Visvikis O, Boyer L. Escherichia coli Rho GTPase-activating toxin CNF1 mediates NLRP3 inflammasome activation via p21-activated kinases-1/2 during bacteraemia in mice. Nat Microbiol 2021; 6:401-412. [PMID: 33432150 PMCID: PMC7116836 DOI: 10.1038/s41564-020-00832-5] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [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: 08/21/2019] [Accepted: 11/13/2020] [Indexed: 12/27/2022]
Abstract
Inflammasomes are signalling platforms that are assembled in response to infection or sterile inflammation by cytosolic pattern recognition receptors. The consequent inflammasome-triggered caspase-1 activation is critical for the host defence against pathogens. During infection, NLRP3, which is a pattern recognition receptor that is also known as cryopyrin, triggers the assembly of the inflammasome-activating caspase-1 through the recruitment of ASC and Nek7. The activation of the NLRP3 inflammasome is tightly controlled both transcriptionally and post-translationally. Despite the importance of the NLRP3 inflammasome regulation in autoinflammatory and infectious diseases, little is known about the mechanism controlling the activation of NLRP3 and the upstream signalling that regulates the NLRP3 inflammasome assembly. We have previously shown that the Rho-GTPase-activating toxin from Escherichia coli cytotoxic necrotizing factor-1 (CNF1) activates caspase-1, but the upstream mechanism is unclear. Here, we provide evidence of the role of the NLRP3 inflammasome in sensing the activity of bacterial toxins and virulence factors that activate host Rho GTPases. We demonstrate that this activation relies on the monitoring of the toxin's activity on the Rho GTPase Rac2. We also show that the NLRP3 inflammasome is activated by a signalling cascade that involves the p21-activated kinases 1 and 2 (Pak1/2) and the Pak1-mediated phosphorylation of Thr 659 of NLRP3, which is necessary for the NLRP3-Nek7 interaction, inflammasome activation and IL-1β cytokine maturation. Furthermore, inhibition of the Pak-NLRP3 axis decreases the bacterial clearance of CNF1-expressing UTI89 E. coli during bacteraemia in mice. Taken together, our results establish that Pak1 and Pak2 are critical regulators of the NLRP3 inflammasome and reveal the role of the Pak-NLRP3 signalling axis in vivo during bacteraemia in mice.
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Affiliation(s)
| | - Anne Doye
- Université Côte d'Azur, Inserm, C3M, Nice, France
| | - Johan Courjon
- Université Côte d'Azur, Inserm, C3M, Nice, France
- Université Côte d'Azur, CHU Nice, Nice, France
| | - Cédric Torre
- Université Côte d'Azur, Inserm, C3M, Nice, France
| | | | | | | | | | | | | | | | - Pedro H V Saavedra
- Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium
| | - Els Verhoeyen
- Université Côte d'Azur, Inserm, C3M, Nice, France
- CIRI, Centre International de Recherche en Infectiologie, Université de Lyon, Inserm U1111, Université Claude Bernard Lyon 1, CNRS UMR5308, ENS de Lyon, Lyon, France
| | - Amaury Rey
- CIRI, Centre International de Recherche en Infectiologie, Université de Lyon, Inserm U1111, Université Claude Bernard Lyon 1, CNRS UMR5308, ENS de Lyon, Lyon, France
| | | | - Raymond Ruimy
- Université Côte d'Azur, Inserm, C3M, Nice, France
- Université Côte d'Azur, CHU Nice, Nice, France
| | - Dorota Czerucka
- Centre Scientifique de Monaco, Monaco, Monaco
- LIA ROPSE, Laboratoire International Associé Université Côte d'Azur, Centre Scientifique de Monaco, Nice, France
| | - Mohamed Lamkanfi
- Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium
| | - Bénédicte F Py
- CIRI, Centre International de Recherche en Infectiologie, Université de Lyon, Inserm U1111, Université Claude Bernard Lyon 1, CNRS UMR5308, ENS de Lyon, Lyon, France
| | | | | | - Laurent Boyer
- Université Côte d'Azur, Inserm, C3M, Nice, France.
- LIA ROPSE, Laboratoire International Associé Université Côte d'Azur, Centre Scientifique de Monaco, Nice, France.
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10
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Chávez A, Rey A, López J, Álvarez P, Beltrán F. Critical aspects of the stability and catalytic activity of MIL-100(Fe) in different advanced oxidation processes. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.117660] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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11
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Tejeria M, Teran Gretter M, Cardoso E, Rey A. Neuropeptide Y short analogue as potential breast cancer diagnostic and therapeutic agent. Nucl Med Biol 2019. [DOI: 10.1016/s0969-8051(19)30252-5] [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: 10/26/2022]
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12
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Tejeria M, Pietzsch HJ, Rey A, Giglio J. Development and evaluation of a 99mTc(III) ‘4 + 1’ complex derived from estradiol for imaging breast cancer. Nucl Med Biol 2019. [DOI: 10.1016/s0969-8051(19)30201-x] [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: 11/17/2022]
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13
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14
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Rey A, López-Bote C, Litta G. Effects of dietary vitamin E (DL-α-tocopheryl acetate) and vitamin C combination on piglets oxidative status and immune response at weaning. J Anim Feed Sci 2017. [DOI: 10.22358/jafs/76595/2017] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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15
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Abstract
Se presenta un caso de osteolisis carpo-tarsal multicéntrica, tipo de displasia esquelética extraordinariamente infrecuente, en una paciente de veintiún años de edad. El correcto diagnóstico de la enfermedad puede evitar tratamientos innecesarios.
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Affiliation(s)
| | | | | | | | | | - J. García
- Médicos Adjuntos Personal Docente Colaborador del Departamento de Cirugía. Universidad de Santiago de Compostela. A Coruña. España
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16
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Zhang Z, Nguyen Y, De Seta D, Russo FY, Rey A, Kalamarides M, Sterkers O, Bernardeschi D. Surgical treatment of sporadic vestibular schwannoma in a series of 1006 patients. Acta Otorhinolaryngol Ital 2017; 36:408-414. [PMID: 27600105 PMCID: PMC5225797 DOI: 10.14639/0392-100x-1176] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Accepted: 06/19/2016] [Indexed: 11/23/2022]
Abstract
The management of sporadic vestibular schwannoma (VS) has evolved in the last decades. The aim of this study was to analyse the evolution in surgical outcomes of VSs operated by a neurotological team between 1990 and 2006 by different approaches. A monocentric retrospective review of medical charts of 1006 patients was performed. In order to assess eventual changes and progress, the 17-years period was divided in three periods, each one comprehending 268 VS (1990-1996), 299 VS (1997-2001), and 439 VS (2002-2006). Mean follow-up was 5.9 ± 2.4 years. Overall, complete VS removal was achieved in 99.4% of cases. Mortality rate was 0.3%, meningitis and CSF leaks were observed in 1.2 % and 9 % of the cases, respectively. CSF leakage decreased from 11.6% to 7.1% between the first and last period (p < 0.01) as well as revision surgery from 3.4 % to 0.9 % (p < 0.05). Facial nerve was anatomically preserved in 97.7% of cases. At one year, a good facial nerve function was observed in 85.1% of patients (grade I and II of House-Brackmann grading scale), which ranged between the first and last period from 78.4% to 87.6% (p <0.05). At one year, hearing preservation was obtained in 61.6% of patients, which increased from the first period to the last one from 50.9% to 69.0% (p < 0.05) (class A+B+C from the AAO-HNS classification). Useful hearing (class A+B) was observed in 33.5% of cases overall, with 21.8% and 42% in the first and last period, respectively (p < 0.01). Surgical outcomes of sporadic vestibular schwannoma have improved concerning facial nerve function outcomes, hearing preservation and cerebrospinal fluid (CSF) leaks, mainly due to the neuro-otological team's experience. Functional results after complete microsurgical removal of large VS depend on experience gained on small VS removal.
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Affiliation(s)
- Z Zhang
- AP-HP, Pitié-Salpêtrière Hospital, Department of Otology Auditory Implants and Skull Base Surgery, Paris, France.,Department of Otolaryngology Head and Neck Surgery, Xinhua Hospital Shanghai Jiaotong Univerrsity School of Medicine, Shanghai, China
| | - Y Nguyen
- AP-HP, Pitié-Salpêtrière Hospital, Department of Otology Auditory Implants and Skull Base Surgery, Paris, France
| | - D De Seta
- AP-HP, Pitié-Salpêtrière Hospital, Department of Otology Auditory Implants and Skull Base Surgery, Paris, France
| | - F Y Russo
- AP-HP, Pitié-Salpêtrière Hospital, Department of Otology Auditory Implants and Skull Base Surgery, Paris, France
| | - A Rey
- AP-HP, Beaujon Hospital, Department of Neurosurgery, Paris, France
| | - M Kalamarides
- AP-HP, Pitié- Salpêtrière Hospital, Department of Neurosurgery, Paris, France
| | - O Sterkers
- AP-HP, Pitié-Salpêtrière Hospital, Department of Otology Auditory Implants and Skull Base Surgery, Paris, France
| | - D Bernardeschi
- AP-HP, Pitié-Salpêtrière Hospital, Department of Otology Auditory Implants and Skull Base Surgery, Paris, France
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17
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Parallada G, Sereno V, Caballero G, Fernández M, Castro M, Montero D, Altez S, Rey A. 319 Nutritional intervention at the cystic fibrosis reference center of children and adults in Uruguay. J Cyst Fibros 2017. [DOI: 10.1016/s1569-1993(17)30657-4] [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: 10/19/2022]
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18
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Parallada G, Rey A, Casavieja G, Cosentino D, Montero D, Ramirez P, Guillen S, Rutz G, Fontan M, Ramos A, Mendez R. 430 Transition in CF integrated teams working together. J Cyst Fibros 2017. [DOI: 10.1016/s1569-1993(17)30760-9] [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: 11/28/2022]
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19
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Sauzeau J, Inocente C, Rey A, Lin J, Herbillon V, Mazza S, Franco P. 0948 IMPAIRED SLEEP-DEPENDENT CONSOLIDATION IN CHILDREN WITH NARCOLEPSY TYPE 1. Sleep 2017. [DOI: 10.1093/sleepj/zsx050.947] [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: 11/14/2022] Open
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20
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Fábrica CG, Alonso R, Rey A, Polero P, Berreta G. Explosive force in football association: effects of competition and field location. INT J PERF ANAL SPOR 2017. [DOI: 10.1080/24748668.2008.11868432] [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: 10/18/2022]
Affiliation(s)
- C. Gabriel Fábrica
- Departamento de Biofísica (Unidad de Investigación en Biomecánica de la Locomoción Humana), Facultad de Medicina, Universidad de la República, General Flores 2125, CP 11800, Montevideo, Uruguay
| | - R. Alonso
- Unidad de Métodos Cuantitativos Facultad de Medicina, Universidad de la República, General Flores 2125, CP 11800 Montevideo, Uruguay
| | - A. Rey
- Departamento de Biofísica (Unidad de Investigación en Biomecánica de la Locomoción Humana), Facultad de Medicina, Universidad de la República, General Flores 2125, CP 11800, Montevideo, Uruguay
| | - P. Polero
- Departamento de Biofísica (Unidad de Investigación en Biomecánica de la Locomoción Humana), Facultad de Medicina, Universidad de la República, General Flores 2125, CP 11800, Montevideo, Uruguay
| | - G. Berreta
- Instituto Superior de Educación Física, Universidad de la República, Parque Batlle S/N, Montevideo, Uruguay
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21
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Chamorro S, Viveros A, Rebolé A, Arija I, Romero C, Alvarez I, Rey A, Brenes A. Addition of exogenous enzymes to diets containing grape pomace: Effects on intestinal utilization of catechins and antioxidant status of chickens. Food Res Int 2017; 96:226-234. [PMID: 28528103 DOI: 10.1016/j.foodres.2017.02.010] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [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: 01/05/2017] [Revised: 02/14/2017] [Accepted: 02/17/2017] [Indexed: 10/20/2022]
Abstract
Grape pomace (GP) is a rich source of polyphenols with antioxidant capacity. An experiment was conducted to study the effect of GP phenolic compounds included at 5 and 10%, and the addition (individually or combined) of hydrolyzing enzymes (carbohydrase enzyme complex and tannase at 500ppm) on intestinal utilization of catechins and antioxidant status in broiler chickens. A diet supplemented with 200ppm of α-tocopheryl acetate was also used. Our findings demonstrate the capacity of chickens to digest the monomeric (catechin, epicatechin, gallic acid, and epicatechin-O-gallate) and dimeric (procyanidin B1 and procyanidin B2) catechins present in grape pomace. The addition of enzymes (mainly tannase) hydrolyzed the polymeric structures into smaller catechins, but also promoted a lower digestibility of the monomeric and dimeric catechins suggesting that polymeric structures might favour the intestinal utilization of these catechins. The intestinal accumulation of phenolic compounds generated with tannase and with 10% GP reversed the antimicrobial effect against Clostridium perfringens observed with 5% of GP. Grape pomace improved the antioxidant status of the bird, increasing the α-tocopherol and reducing the iron content on plasma, not affecting the plasma gluthatione. Enzymes modified the intestinal utilization of catechins but not additional protective effect was detected on any of the parameters analyzed to evaluate the antioxidant status.
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Affiliation(s)
- S Chamorro
- Instituto de Ciencia y Tecnología de Alimentos y Nutrición (ICTAN-CSIC), José Antonio Novais, 10, Ciudad Universitaria, 28040 Madrid, Spain.
| | - A Viveros
- Departamento de Producción Animal, Facultad de Veterinaria, Universidad Complutense de Madrid, Ciudad Universitaria, 28040 Madrid, Spain
| | - A Rebolé
- Departamento de Producción Animal, Facultad de Veterinaria, Universidad Complutense de Madrid, Ciudad Universitaria, 28040 Madrid, Spain
| | - I Arija
- Departamento de Producción Animal, Facultad de Veterinaria, Universidad Complutense de Madrid, Ciudad Universitaria, 28040 Madrid, Spain
| | - C Romero
- Universidad Católica de Ávila, 05005 Ávila, Spain
| | - I Alvarez
- Instituto de Ciencia y Tecnología de Alimentos y Nutrición (ICTAN-CSIC), José Antonio Novais, 10, Ciudad Universitaria, 28040 Madrid, Spain
| | - A Rey
- Departamento de Producción Animal, Facultad de Veterinaria, Universidad Complutense de Madrid, Ciudad Universitaria, 28040 Madrid, Spain
| | - A Brenes
- Instituto de Ciencia y Tecnología de Alimentos y Nutrición (ICTAN-CSIC), José Antonio Novais, 10, Ciudad Universitaria, 28040 Madrid, Spain
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22
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Mena E, Rey A, Rodríguez E, Beltrán F. Nanostructured CeO 2 as catalysts for different AOPs based in the application of ozone and simulated solar radiation. Catal Today 2017. [DOI: 10.1016/j.cattod.2016.04.034] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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23
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Rey A, Berrué M, Chambaraud T, Rerolle JP, Allard J, Essig M, Monchaud C. Drug-Induced Nephrotoxicity: A Frequent Cause of Hospitalization In Nephrology. Clin Ther 2015. [DOI: 10.1016/j.clinthera.2015.05.089] [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: 10/23/2022]
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24
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Ayuso M, Fernández A, Isabel B, Rey A, Benítez R, Daza A, López-Bote CJ, Óvilo C. Long term vitamin A restriction improves meat quality parameters and modifies gene expression in Iberian pigs1. J Anim Sci 2015; 93:2730-44. [DOI: 10.2527/jas.2014-8573] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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25
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Rey A, Mena E, Chávez A, Beltrán F, Medina F. Influence of structural properties on the activity of WO 3 catalysts for visible light photocatalytic ozonation. Chem Eng Sci 2015. [DOI: 10.1016/j.ces.2014.12.016] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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De Rouge TM, Pautier P, Duvillard P, Rey A, Morice P, Meder CH, Kerbrat P, Culine S, Fizazi K, Lhomme C. Prognostic Significance of Serum Alphafoetoprotein Early Decline in Ovarian Yolk Sac Tumor. Ann Oncol 2014. [DOI: 10.1093/annonc/mdu338.25] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Merks JHM, De Salvo GL, Bergeron C, Bisogno G, De Paoli A, Ferrari A, Rey A, Oberlin O, Stevens MCG, Kelsey A, Michalski J, Hawkins DS, Anderson JR. Parameningeal rhabdomyosarcoma in pediatric age: results of a pooled analysis from North American and European cooperative groups. Ann Oncol 2014; 25:231-6. [PMID: 24356633 DOI: 10.1093/annonc/mdt426] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [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: 12/21/2022] Open
Abstract
BACKGROUND Parameningeal (PM) site is a well-known adverse prognostic factor in children with localized rhabdomyosarcoma (RMS). To identify risk factors associated with outcome at this site, we pooled data from 1105 patients treated in 10 studies conducted by European and North American cooperative groups between 1984 and 2004. PATIENTS AND METHODS Clinical factors including age, histology, size, invasiveness, nodal involvement, Intergroup Rhabdomyosarcoma Study (IRS) clinical group, site, risk factors for meningeal involvement (MI), study group, and application of radiotherapy (RT) were studied for their impact on event-free and overall survival (EFS and OS). RESULTS Ten-year EFS and OS were 62.6 and 66.1% for the whole group. Patients without initial RT showed worse survival (10-year OS 40.8% versus 68.5% for RT treated patients). Multivariate analysis focusing on 862 patients who received RT as part of their initial treatment revealed four unfavorable prognostic factors: age <3 or >10 years, signs of MI, unfavorable site, and tumor size. Utilizing these prognostic factors, patients could be classified into different risk groups with 10-year OS ranging between 51.1 and 80.9%. CONCLUSIONS While, in general, PM localization is regarded as an adverse prognostic factor, the current analysis differentiates those with good prognosis (36% patients with 0-1 risk factor: 10-year OS 80.9%) from high-risk PM patients (28% with 3-4 factors: 10-year OS 51.1%). Furthermore, this analysis reinforces the necessity for RT in PM RMS.
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Affiliation(s)
- J H M Merks
- Department of Pediatric Oncology, Emma Children's Hospital-Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands
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Bauzán L, Fernández S, Dematteis S, Cerecetto H, Giglio J, Rey A. Novel 99mTc-labelled estrogen derivative as potential agent for estrogen receptors imaging. Nucl Med Biol 2014. [DOI: 10.1016/j.nucmedbio.2014.05.095] [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: 10/25/2022]
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Abstract
False-name manipulation refers to the question of whether a player in a weighted voting game can increase her power by splitting into several players and distributing her weight among these false identities. Relatedly, the beneficial merging problem asks whether a coalition of players can increase their power in a weighted voting game by merging their weights. For the problems of whether merging or splitting players in weighted voting games is beneficial in terms of the Shapley--Shubik and the normalized Banzhaf index, merely NP-hardness lower bounds are known, leaving the question about their exact complexity open. For the Shapley--Shubik and the probabilistic Banzhaf index, we raise these lower bounds to hardness for PP, "probabilistic polynomial time," a class considered to be by far a larger class than NP. For both power indices, we provide matching upper bounds for beneficial merging and, whenever the new players' weights are given, also for beneficial splitting, thus resolving previous conjectures in the affirmative. Relatedly, we consider the beneficial annexation problem, asking whether a single player can increase her power by taking over other players' weights. It is known that annexation is never disadvantageous for the Shapley--Shubik index, and that beneficial annexation is NP-hard for the normalized Banzhaf index. We show that annexation is never disadvantageous for the probabilistic Banzhaf index either, and for both the Shapley--Shubik index and the probabilistic Banzhaf index we show that it is NP-complete to decide whether annexing another player is advantageous. Moreover, we propose a general framework for merging and splitting that can be applied to different classes and representations of games.
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Uzan C, Nikpayam M, Ribassin-Majed L, Gouy S, Bendifallah S, Cortez A, Rey A, Duvillard P, Darai E, Morice P. Influence of histological subtypes on the risk of an invasive recurrence in a large series of stage I borderline ovarian tumor including 191 conservative treatments. Ann Oncol 2014; 25:1312-1319. [PMID: 24713312 DOI: 10.1093/annonc/mdu139] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [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] [Indexed: 08/08/2023] Open
Abstract
BACKGROUND The overall prognosis of stage I borderline ovarian tumors (BOT) is excellent but a small percentage of patients die to their disease. The prognostic factors for such a rare event are still not clearly defined. The aim of this study was to determine these factors for recurrence per se and recurrence in the form of invasive carcinoma in a large series of stage I tumors. METHODS A retrospective review of patients with BOT. Three inclusion criteria were defined: (i) a centralized histological review; (ii) macroscopic stage I tumors; (iii) exclusion of metastatic disease to the ovaries. RESULTS From 2000 to 2010, 254 patients fulfilled inclusion criteria [140 had mucinous BOT (MBOT) and 114 a serous BOT (SBOT)], and 191 had undergone conservative management. After a median follow-up of 45 months, 43 patients had developed recurrences (31 borderline and 12 invasive). The risks of recurrences were statistically increased after conservative treatment, particularly after a cystectomy, in patients with stage IB and among patients with incompletely staged tumors. In the subgroup of conservatively treated patients (representing 75% of our population), the risks of recurrences were statistically increased in patients affected by a SBOT, in patients who had undergone a cystectomy, in patients with stage IB disease and in patients with a micropapillary pattern (MPP). MBOT and the presence of a MPP were identified as prognostic factors for invasive disease. CONCLUSIONS In the present series of BOT with the largest number of patients treated conservatively to date, the presence of a MPP and the mucinous subtype were associated with a higher rate of progression to carcinoma after conservative management. These important results suggest that MBOT belong to a 'high-risk' group likely to develop an invasive recurrence after fertility-sparing surgery in stage I BOT.
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Affiliation(s)
- C Uzan
- Department of Gynecologic Surgery; Unit INSERM U10-30, Villejuif
| | | | | | - S Gouy
- Department of Gynecologic Surgery
| | - S Bendifallah
- Department of Obstetrics and Gynaecology, Hopital Tenon, Paris; INSERM UMRS 938, Paris; Universite Pierre et Marie Curie (Paris VI), Paris
| | - A Cortez
- Department of Pathology, Hopital Tenon, Paris
| | - A Rey
- Department of Biostatistics, Institut Gustave Roussy, Villejuif
| | - P Duvillard
- Department of Pathology, Institut Gustave Roussy, Villejuif
| | - E Darai
- Department of Obstetrics and Gynaecology, Hopital Tenon, Paris; INSERM UMRS 938, Paris; Universite Pierre et Marie Curie (Paris VI), Paris
| | - P Morice
- Department of Gynecologic Surgery; Unit INSERM U10-30, Villejuif; University Paris Sud, Le Kremlin Bicêtre, France.
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Jacomet C, Guiguet M, Simon A, Rey A, Gerbaud L, Peyrol F. A-15: Quels patients VIH+ suivis dans les services hospitaliers français consultent en médecine générale ? Enquête « parcours de soins 2012 ». Med Mal Infect 2014. [DOI: 10.1016/s0399-077x(14)70098-8] [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: 10/25/2022]
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Giglio J, Dematteis S, Fernández S, Cerecetto H, Rey A. Synthesis and evaluation of a new99mTc(I)-tricarbonyl complex bearing the 5-nitroimidazol-1-yl moiety as potential hypoxia imaging agent. J Labelled Comp Radiopharm 2014; 57:403-9. [PMID: 24692093 DOI: 10.1002/jlcr.3195] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2013] [Revised: 12/09/2013] [Accepted: 02/09/2014] [Indexed: 11/08/2022]
Affiliation(s)
- J. Giglio
- Cátedra de Radioquímica, Facultad de Química; Universidad de la República; Montevideo Uruguay
| | - S. Dematteis
- Cátedra de Inmunología, Facultad de Química; Universidad de la República; Montevideo Uruguay
| | - S. Fernández
- Cátedra de Radioquímica, Facultad de Química; Universidad de la República; Montevideo Uruguay
| | - H. Cerecetto
- Área de Radiofarmacia y Radioquímica-CIN, Facultad de Ciencias; Universidad de la República; Montevideo Uruguay
| | - A. Rey
- Cátedra de Radioquímica, Facultad de Química; Universidad de la República; Montevideo Uruguay
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Figueras-Roca M, Rey A, Mesquida M, Pelegrín L, Llorens V, Fontenla JR, Adán A. [Retinal vasculopathy in systemic lupus erythematosus: a case of lupus vasculitis and a case of non-vasculitis venous occlusion]. Arch Soc Esp Oftalmol 2014; 89:66-69. [PMID: 24269411 DOI: 10.1016/j.oftal.2012.06.030] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2011] [Revised: 02/08/2012] [Accepted: 06/26/2012] [Indexed: 06/02/2023]
Abstract
CLINIC CASE Two patients with systemic lupus erythematosus presented with vision loss, and were diagnosed with retinal vasculopathy. Patient 1 had occlusive vasculitis with macular oedema and retinal ischaemia in the right eye. Corticosteroid therapy was increased and intravenous rituximab added. Intravitreal therapy and panretinal photocoagulation were performed. Patient 2 presented with a left central retinal vein occlusion without vasculitis but was on anticoagulation therapy due to having an antiphospholipid syndrome. Both patients maintained a stable visual acuity. DISCUSSION Occlusive lupus retinal vasculitis has severe visual and systemic consequences (central nervous system vasculitis). It is crucial to differentiate it from standard vascular occlusion syndromes.
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Affiliation(s)
- M Figueras-Roca
- Unidad de Retina y Segmento Posterior, Institut Clínic de Oftalmología, Hospital Clínic y Provincial de Barcelona, Barcelona, España.
| | - A Rey
- Unidad de Retina y Segmento Posterior, Institut Clínic de Oftalmología, Hospital Clínic y Provincial de Barcelona, Barcelona, España
| | - M Mesquida
- Unidad de Retina y Segmento Posterior, Institut Clínic de Oftalmología, Hospital Clínic y Provincial de Barcelona, Barcelona, España
| | - L Pelegrín
- Unidad de Retina y Segmento Posterior, Institut Clínic de Oftalmología, Hospital Clínic y Provincial de Barcelona, Barcelona, España
| | - V Llorens
- Unidad de Retina y Segmento Posterior, Institut Clínic de Oftalmología, Hospital Clínic y Provincial de Barcelona, Barcelona, España
| | - J R Fontenla
- Unidad de Retina y Segmento Posterior, Institut Clínic de Oftalmología, Hospital Clínic y Provincial de Barcelona, Barcelona, España
| | - A Adán
- Unidad de Retina y Segmento Posterior, Institut Clínic de Oftalmología, Hospital Clínic y Provincial de Barcelona, Barcelona, España
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Lara Jimenez P, Moreno M, Rey A, Lloret M, Rodríguez-Melcón J, Rodríguez-Ibarria N, Cabezón-Pons M, Carmona-Vigo R, Valenciano A, Henríquez-Hernández L. PO-0965: MVP and IGF-1R overexpression predicts clinical outcome of oral carcinoma patients treated with radiotherapy. Radiother Oncol 2014. [DOI: 10.1016/s0167-8140(15)31083-5] [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: 10/23/2022]
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Lloret M, Henríquez-Hernández L, Valenciano A, Clavo B, Pinar B, Rey A, Federico M, Blanco J, García-Cabrera L, Lara P. EP-1808: Plasminogen activator inhibitor-1 is associated with key oncoproteins in cervical carcinoma tumors. Radiother Oncol 2014. [DOI: 10.1016/s0167-8140(15)31926-5] [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: 11/26/2022]
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Uzan C, Muller E, Kane A, Rey A, Gouy S, Bendiffallah S, Duvillard P, Fauvet R, Darai E, Morice P. Prognostic factors for recurrence after conservative treatment in a series of 119 patients with stage I serous borderline tumors of the ovary. Ann Oncol 2013; 25:166-71. [PMID: 24287939 DOI: 10.1093/annonc/mdt430] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [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: 11/14/2022] Open
Abstract
BACKGROUND The aim of this study was to evaluate prognostic factors for recurrence after conservative treatment of a large series of 'apparent' stage I serous borderline ovarian tumors (SBOTs). PATIENTS AND METHODS A review of 119 patients treated conservatively between 2000 and 2009 with follow-up data. All pathological slides were reviewed by the same expert pathologist. Prognostic factors for recurrence were studied (age, histological subtypes and surgical procedure). RESULTS Conservative surgical procedures were: unilateral cystectomy (n = 43, 36%); unilateral adnexectomy (UA; n = 50, 42%); bilateral cystectomies (n = 11, 9%) and UA + contralateral cystectomy (n = 15, 13%). Stromal microinvasion and/or a micropapillary pattern was present in 21 (18%) and 13 (11%) patients, respectively. With a median follow-up of 45 months, 38 (32%) patients relapsed (10 also had peritoneal disease in the form of noninvasive implants at the first recurrence). In 2 of these 38 patients, progression-to-invasive disease occurred at the second and third relapse (one patient died to the recurrence). Three prognostic factors for recurrence were identified in the univariate analysis: a young age (< or >30 years old), the type of conservative treatment (adnexectomy versus cystectomy) and tumor bilaterality. In the multivariate analysis, only age remained statistically significant. CONCLUSION In this series (the largest reported, to date, on recurrences after the conservative management of stage I SBOT), the risk of relapse was not related to tumor histological subtypes (micropapillary and stromal microinvasion) nor to the use of complete staging surgery. Invasive recurrences were very rare in stage I SBOT, but did occur. A young age, tumor bilaterality and the use of a cystectomy were identified as risk factors for recurrence, suggesting that management of fertility preservation (particularly in very young patients) should be associated with a meticulously conducted follow-up.
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Affiliation(s)
- C Uzan
- Departments of Gynaecologic Surgery
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Rey A, Alforja S, Sabater N, Giralt J, Alvarez G, Adan A. [Natural history of an optic disc macroaneurysm]. Arch Soc Esp Oftalmol 2013; 89:113-6. [PMID: 24269409 DOI: 10.1016/j.oftal.2012.07.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2011] [Revised: 04/03/2012] [Accepted: 07/10/2012] [Indexed: 10/27/2022]
Abstract
CASE REPORT A 75-year old man with reduced vision in his left eye (0.05) presented with hypertensive retinopathy, retinal haemorrhages and cotton wool spots in the papillomacular bundle, as well as macular oedema. Fluorescein angiography showed a saccular hyperfluorescent lesion corresponding to arterial macroaneurysm on the optic disc, with the optical coherence tomography demonstrating macular oedema. At 2 months follow-up, vision had improved to 0.7 with spontaneous closure of the macroaneurysm and resolution of the macular oedema. DISCUSSION Arterial macroaneurysms on the optic disc are unusual and are difficult to diagnose clinically. There is no safe and effective treatment, and our case, as the few single cases reported, showed that they can spontaneously close and enable visual function to recover.
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Affiliation(s)
- A Rey
- Institut Clínic d'Oftalmologia (ICOF), Servicio de Oftalmología, Hospital Clínic, Barcelona, España.
| | - S Alforja
- Institut Clínic d'Oftalmologia (ICOF), Servicio de Oftalmología, Hospital Clínic, Barcelona, España
| | - N Sabater
- Institut Clínic d'Oftalmologia (ICOF), Servicio de Oftalmología, Hospital Clínic, Barcelona, España
| | - J Giralt
- Institut Clínic d'Oftalmologia (ICOF), Servicio de Oftalmología, Hospital Clínic, Barcelona, España
| | - G Alvarez
- Institut Clínic d'Oftalmologia (ICOF), Servicio de Oftalmología, Hospital Clínic, Barcelona, España
| | - A Adan
- Institut Clínic d'Oftalmologia (ICOF), Servicio de Oftalmología, Hospital Clínic, Barcelona, España
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Orbach D, Brennan B, Casanova M, Bergeron C, Mosseri V, Francotte N, Van Noesel M, Rey A, Bisogno G, Pierron G, Ferrari A. Paediatric and adolescent alveolar soft part sarcoma: A joint series from European cooperative groups. Pediatr Blood Cancer 2013; 60:1826-32. [PMID: 23857870 DOI: 10.1002/pbc.24683] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2013] [Accepted: 06/12/2013] [Indexed: 12/26/2022]
Abstract
BACKGROUND Alveolar soft part sarcomas (ASPS) are generally chemo- and radio-resistant mesenchymal tumours, with no standardized treatment guidelines. We describe the clinical behaviour of paediatric ASPS and compare these features to previously reported adult series. PATIENTS AND METHODS The clinical data of 51 children and adolescents with ASPS, prospectively enrolled in or treated according to seven European Paediatric trials were analysed. RESULTS Median age was 13 years [range: 2-21]. Primary sites included mostly limbs (63%). IRS post-surgical staging was: IRS-I (complete resection) 35%, II (microscopic residual disease) 20%, III (gross residual disease) 18% and IV (metastases) 27%. Only 3 of the 18 evaluable patients (17%) obtained a response to conventional chemotherapy. After a median follow-up of 126 months (range: 9-240), 14/18 patients with IRS-I tumour, 10/10 IRS-II, 7/9 IRS-III and 2/14 IRS-IV were alive in remission. Sunitinib treatment achieved two very good partial responses in four patients. Ten-year overall survival (OS) and event free survival (EFS) was 78.0 ± 7% and 62.8 ± 7% respectively. Stage IV, size >5 cm and T2 tumours had a poorer outcome, but only IRS staging was an independent prognostic factor. CONCLUSIONS ASPS is a very rare tumour frequently arising in adolescents and in the extremities, and chemo resistant. Local surgical control is critical. ASPS is a poorly chemo sensitive tumour. For IRS-III/IV tumours, delayed radical local therapies including surgery are essential. Metastatic patients had a poor prognosis but targeted therapies showed promising results.
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Affiliation(s)
- D Orbach
- Department of Paediatric Oncology, Institut Curie, Paris, France
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Binczak M, Tournay E, Billard V, Rey A, Jayr C. Major abdominal surgery for cancer: does epidural analgesia have a long-term effect on recurrence-free and overall survival? ACTA ACUST UNITED AC 2013; 32:e81-8. [PMID: 23618609 DOI: 10.1016/j.annfar.2013.02.027] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2012] [Accepted: 02/18/2013] [Indexed: 12/14/2022]
Abstract
BACKGROUND Retrospective studies have suggested that regional analgesia combined with general anaesthesia could decrease cancer recurrence. The purpose of this study was to assess the influence of regional analgesia on recurrence-free (RFS) and overall survival in patients undergoing major intra-abdominal surgery for cancer. METHOD Patients previously included in a prospective randomized study comparing two postoperative techniques of analgesia were retrospectively studied. The EP group received general anaesthesia with bupivacaine thoracic epidural analgesia and the SC group received general anaesthesia with fentanyl followed by continuous subcutaneous morphine. RESULTS One hundred and thirty-two patients were analyzed (63 and 69 in SC and EP group, respectively) with a 17-year-median follow-up. After 5 years, RFS was 43% [95% CI: 32%-55%] in EP group and 24% [95% CI: 15%-36%] in SC group, but the difference did not reach statistical significance for RFS nor for overall survival (P=0.10 and 0.16 respectively). Using multivariable analysis over the whole follow-up period, the type of analgesia was not a statistically significant predictive factor for RFS (EP/SC, HR=1.3 [95% CI: 0.8-2.0%]). The anaesthesia effect changed moderately over the follow-up and HR for overall survival (EP/SC) reached statistical significance after 5, 6 and 8 years. CONCLUSION Despite a trend in favour of the epidural, this retrospective review of patients included in a previous randomized study failed to demonstrate a statistically significant association between the perioperative analgesia and RFS after abdominal surgery for cancer. The duration of follow-up may have an impact on the analgesia effect on survival.
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Affiliation(s)
- M Binczak
- Department of Anesthesia, Institut Gustave-Roussy, Villejuif, France
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Pawel JV, Gorbounova V, Reck M, Kowalski DM, Allard A, Chadjaa M, Rey A, Bennouna J, Grossi F. DISRUPT: A randomized phase 2 trial of ombrabulin (AVE8062) combined with a taxane-platinum regimen in the first-line treatment of metastatic non-small cell lung cancer (NSCLC). Pneumologie 2013. [DOI: 10.1055/s-0033-1334708] [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: 10/27/2022]
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Pautier P, Floquet A, Gladieff L, Bompas E, Ray-Coquard I, Piperno-Neumann S, Selle F, Guillemet C, Weber B, Largillier R, Bertucci F, Opinel P, Duffaud F, Reynaud-Bougnoux A, Delcambre C, Isambert N, Kerbrat P, Netter-Pinon G, Pinto N, Duvillard P, Haie-Meder C, Lhommé C, Rey A. A randomized clinical trial of adjuvant chemotherapy with doxorubicin, ifosfamide, and cisplatin followed by radiotherapy versus radiotherapy alone in patients with localized uterine sarcomas (SARCGYN study). A study of the French Sarcoma Group. Ann Oncol 2012; 24:1099-104. [PMID: 23139262 DOI: 10.1093/annonc/mds545] [Citation(s) in RCA: 88] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND There is no proven benefit of adjuvant treatment of uterine sarcoma (US). SARCGYN phase III study compared adjuvant polychemotherapy followed by pelvic radiotherapy (RT) (arm A) versus RT alone (arm B) conducted to detect an increase ≥ 20% of 3-year PFS. METHODS Patients with FIGO stage ≤ III US, physiological age ≤ 65 years; chemotherapy: four cycles of doxorubicin 50 mg/m² d1, ifosfamide 3 g/m²/day d1-2, cisplatin 75 mg/m² d3, (API) + G-CSF q 3 weeks. Study was stopped because of lack of recruitment. RESULTS Eighty-one patients were included: 39 in arm A and 42 in arm B; 52 stage I, 16 stage II, 13 stage III; 53 leiomyosarcomas, 9 undifferenciated sarcomas, 19 carcinosarcomas. Gr 3-4 toxicity during API (/37 patients): thrombopenia (76%), febrile neutropenia (22%) with two toxic deaths; renal gr 3 (1 patient). After a median follow-up of 4.3 years, 41/81 patients recurred, 15 in arm A, 26 in arm B. The 3 years DFS is 55% in arm A, 41% in arm B (P = 0.048). The 3-year overall survival (OS) is 81% in arm A and 69% in arm B (P = 0.41). CONCLUSION API adjuvant CT statistically increases the 3 year-DFS of patients with US.
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Affiliation(s)
- P Pautier
- Department of Medical Oncology, Institut Gustave-Roussy, Villejuif, Cedex, France.
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Lara PC, Lloret M, Valenciano A, Clavo B, Pinar B, Rey A, Henríquez-Hernández LA. Plasminogen activator inhibitor-1 (PAI-1) expression in relation to hypoxia and oncoproteins in clinical cervical tumors. Strahlenther Onkol 2012; 188:1139-45. [PMID: 23111469 DOI: 10.1007/s00066-012-0216-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2012] [Accepted: 07/16/2012] [Indexed: 10/27/2022]
Abstract
PURPOSE Explore the role of plasminogen activator inhibitor-1 (PAI-1) in cervical cancer and its relationship to hypoxia and the expression of p53, Ku70/80, and cyclin D1. MATERIAL AND METHODS The expression of PAI-1, cyclin D1, and p53, together with tumor oxygenation, were determined in 43 consecutive patients suffering from localized cervical carcinoma. Oncoprotein expression was determined by immunohistochemistry. Tumor oxygenation was measured using a polarographic probe system, "pO2 histography." RESULTS PAI expression was considered negative in 32.6% and overexpressed in 18.6% of cases. Cyclin D1 showed a median expression of 5.0 (range 0-70). We observed a positive association between PAI expression and altered p53 (p = 0.049) and cyclin D1 (p = 0.020). An inverse association was detected between PAI and Ku70/80 expression (p = 0.042). Cyclin D1 staining increased according to tumor volume (r = 0.314, p = 0.009). We did not observe a significant association between PAI and hypoxia or other clinicopathological parameters. CONCLUSION The present results show that PAI-1 overexpression is associated with nonhomologous end-joining DNA repair down-regulation (low Ku70/80 expression) and with increased p53 and cyclin D1 expression, and they suggest that PAI-1 plays a role in the tumor behavior in cervical carcinoma.
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Affiliation(s)
- P C Lara
- Hospital Universitario de Gran Canaria Dr. Negrín, Las Palmas de Gran Canaria, Las Palmas, Spain
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Llorenç V, Rey A, Mesquida M, Pelegrín L, Adán A. [Central nervous system demyelinating disease-associated uveitis]. Arch Soc Esp Oftalmol 2012; 87:324-329. [PMID: 23021230 DOI: 10.1016/j.oftal.2012.04.027] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2011] [Revised: 02/24/2012] [Accepted: 04/17/2012] [Indexed: 06/01/2023]
Abstract
OBJECTIVE To describe the epidemiology, clinical features and visual prognosis in uveitis associated with demyelinating disease (DD) of the CNS. METHODS A clinical, retrospective, and descriptive study was performed. Data regarding age at presentation, gender, time from onset was recorded, as well as, type of uveitis, complications, treatment and initial and final visual acuity (BCVA) on all patients with DD-associated uveitis diagnosed in our Unit between January 2009 and June 2011. RESULTS Five women and 4 men were finally included (1.3% of 697 with uveitis). There was associated multiple sclerosis in 78% of cases. Mean age at presentation was 36.6 years for uveitis and 40 years for DD. The uveitis preceded the DD in 3 cases (33%). Typically, uveitis was bilateral (89%), chronic (89%), intermediate (89%), and associated with previous inflammation (29%), with synechiae (65%), and granulomatous (44%). The most frequent complications were cataract (71%) and macular oedema (53%). Besides local treatment, uveitis was managed with systemic steroids (78%), immunosuppressants (44%), and surgery (41% of eyes). After a mean follow up of 5 years, 47% of the eyes had a worse BCVA, among which, 12% lost ≥ 3 Snellen lines. The only patient treated with interferon (IFN), remained stable without treatment for the last 7 years. CONCLUSIONS DD-associated uveitis typically affected young adult women with intermediate-anterior uveitis of chronic, bilateral and synechiae type. Complications are common and there is a risk of visual loss, despite treatment. IFN therapy may be an effective alternative to be investigated.
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Affiliation(s)
- V Llorenç
- Hospital Clínic i Provincial de Barcelona, Institut Clínic d'Oftalmologia (ICOF), Barcelona, España.
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von Pawel J, Gorbounova V, Reck M, Kowalski D, Allard A, Chadjaa M, Rey A, Bennouna J, Grossi F. Disrupt: A Randomized Phase 2 Trial of Ombrabulin (AVE8062) Combined with a Taxane-Platinum Regimen in the First-Line Treatment of Metastatic Non-Small Cell Lung Cancer (NSCLC). Ann Oncol 2012. [DOI: 10.1016/s0923-7534(20)33843-6] [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: 10/25/2022] Open
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Sabater N, Alforja S, Rey A, Giralt J. [Delayed diagnosis of ophthalmic artery obstruction due to atrial myxoma]. ACTA ACUST UNITED AC 2012; 88:313-5. [PMID: 23886363 DOI: 10.1016/j.oftal.2012.02.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [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: 12/10/2010] [Revised: 01/19/2012] [Accepted: 02/03/2012] [Indexed: 11/16/2022]
Abstract
CASE REPORT A 56 year old woman with atrial myxoma presented with a visual acuity of no light perception after acute ophthalmic artery obstruction (OAO) associated with stroke. She developed late retinal pigmentary changes due choroidal infarction, typical of the OAO. DISCUSSION Simultaneous obstruction of the retinal and choroidal circulation was observed in the OAO. Atrial myxoma should be suspected in patients who suffer from OAO associated with stroke. Systemic studies should be performed to find the origin of OAO.
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Affiliation(s)
- N Sabater
- Unidad de retina, Hospital Clínic i Provincial de Barcelona, Institut Clínic d'Oftalmologia (ICOF). Barcelona, España.
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Michels J, Rey A, Duvillard P, Morice P, Caron O, Leteuff G, Savoye A, Gouy S, Lhomme C, Pautier P. 8049 POSTER Epithelial Ovarian Carcinoma in Very Young Women: Age-specific Characteristics. Eur J Cancer 2011. [DOI: 10.1016/s0959-8049(11)72137-2] [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: 10/17/2022]
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Wu H, Kalamarides M, Garem HE, Rey A, Sterkers O. Comparison of different wound closure techniques in translabyrinthine acoustic neuroma surgery. Skull Base Surg 2011; 9:239-42. [PMID: 17171111 PMCID: PMC1656775 DOI: 10.1055/s-2008-1058132] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
In a series of 277 patients with translabyrinthine acoustic neuroma, three techniques of wound closure were used to prevent cerebrospinal fluid (CSF) leakage. In the first group, we used a piece of fascia to cover the dural defect and then placed several pieces of fat on the fascia. The incidence of CSF leak was 28.2%; 7.7% required reoperation. In the second group, in addition to the fasia-fat complex, we made a large musculoperiosteal flap to compress the fat. The incidence of CSF leak and revision were not reduced, however. In recent cases, we placed several pieces of fat directly into the operative cavity without fascia graft; then it was covered with a musculoperiosteal flap. With this technique, CSF leak was significantly reduced to 7.4%, and reoperation was rare (3.7%). The direct application of fat into the translabyrinthine operation cavity appears to be effective to prevent CSF leaks.
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Couloigner V, Sterkers O, Redondo A, Rey A. Brain Abscesses of Ear, Nose, and Throat Origin: Comparison between Otogenic and Sinogenic Etiologies. Skull Base Surg 2011; 8:163-8. [PMID: 17171060 PMCID: PMC1656703 DOI: 10.1055/s-2008-1058177] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
This retrospective study analyzed 29 cerebral abscesses of ear, nose, and throat (ENT) origin. The mean follow-up of patients was 37 months. ENT etiologies included 45% otitis media (n = 13), 48% sinusitis (n = 14), and 7% ethmoidal sinus tumors (n = 2). Thirty-eight percent (n = 5) of otogenic abscesses occurred within 15 days after a mastoidectomy. Sinogenic abscesses were never due to surgery but were associated in 31% of cases (n = 5) with anterior skull base defects. The main locations of otogenic abscesses were the temporal lobe (54%; n = 7) and the cerebellum (23%; n = 3), whereas sinogenic abscesses were located in the frontal lobe in 75% of cases (n = 12). Because of this location, sinogenic abscesses were less symptomatic than otogenic ones and had greater size and encapsulation at the time of diagnosis. Thus, they required longer antibiotic treatment (p = 0.05) and more numerous surgical drainages (p = 0.02). Bacteriologic abscesses samples were positive in 90% of cases. Bacteria found in brain abscesses were different from the ones found in ENT samples in 62% of cases. Thus, the results of ENT bacteriologic samples were not helpful for choosing adequate antibiotic agents in case of negative brain abscess samples. Although mortality was not significantly higher in otogenic abscesses (31%; n = 4) than in sinogenic ones (6%; n = 1, p = 0.08), otogenic abscesses appeared more threatening. Indeed, they represented 80% (n = 4) of lethal cases and encompassed more clinical or radiological prognosis pejorative factors than sinogenic ones (p = 0.006). In conclusion, higher danger of otogenic abscesses mainly resulted both from their temporal or cerebellous locations and from the bacteria that were more frequently resistant to antibiotics.
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Alvarez G, Rey A, Adán A. [Author's reply]. Arch Soc Esp Oftalmol 2011; 86:225-226. [PMID: 21798411 DOI: 10.1016/j.oftal.2011.02.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2011] [Accepted: 02/22/2011] [Indexed: 05/31/2023]
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Merks JH, De Salvo GL, Bergeron C, Bisogno G, Rey A, Oberlin O, Kelsey A, Zanetti I, Michalski JM, Hawkins DS, Anderson JR. Parameningeal rhabdomyosarcoma: Results of a pooled analysis from U.S. and European Cooperative Groups. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.15_suppl.9529] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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