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Obacz J, Archambeau J, Lafont E, Nivet M, Martin S, Aubry M, Voutetakis K, Pineau R, Boniface R, Sicari D, Pelizzari-Raymundo D, Ghukasyan G, McGrath E, Vlachavas EI, Le Gallo M, Le Reste PJ, Barroso K, Fainsod-Levi T, Obiedat A, Granot Z, Tirosh B, Samal J, Pandit A, Négroni L, Soriano N, Monnier A, Mosser J, Chatziioannou A, Quillien V, Chevet E, Avril T. IRE1 endoribonuclease signaling promotes myeloid cell infiltration in glioblastoma. Neuro Oncol 2024; 26:858-871. [PMID: 38153426 DOI: 10.1093/neuonc/noad256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Indexed: 12/29/2023] Open
Abstract
BACKGROUND Intrinsic or environmental stresses trigger the accumulation of improperly folded proteins in the endoplasmic reticulum (ER), leading to ER stress. To cope with this, cells have evolved an adaptive mechanism named the unfolded protein response (UPR) which is hijacked by tumor cells to develop malignant features. Glioblastoma (GB), the most aggressive and lethal primary brain tumor, relies on UPR to sustain growth. We recently showed that IRE1 alpha (referred to IRE1 hereafter), 1 of the UPR transducers, promotes GB invasion, angiogenesis, and infiltration by macrophage. Hence, high tumor IRE1 activity in tumor cells predicts a worse outcome. Herein, we characterized the IRE1-dependent signaling that shapes the immune microenvironment toward monocytes/macrophages and neutrophils. METHODS We used human and mouse cellular models in which IRE1 was genetically or pharmacologically invalidated and which were tested in vivo. Publicly available datasets from GB patients were also analyzed to confirm our findings. RESULTS We showed that IRE1 signaling, through both the transcription factor XBP1s and the regulated IRE1-dependent decay controls the expression of the ubiquitin-conjugating E2 enzyme UBE2D3. In turn, UBE2D3 activates the NFκB pathway, resulting in chemokine production and myeloid infiltration in tumors. CONCLUSIONS Our work identifies a novel IRE1/UBE2D3 proinflammatory axis that plays an instrumental role in GB immune regulation.
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Affiliation(s)
- Joanna Obacz
- INSERM U1242, Rennes, France
- Centre Eugène Marquis, Rennes, France
| | | | - Elodie Lafont
- INSERM U1242, Rennes, France
- Centre Eugène Marquis, Rennes, France
| | - Manon Nivet
- INSERM U1242, Rennes, France
- Centre Eugène Marquis, Rennes, France
| | - Sophie Martin
- INSERM U1242, Rennes, France
- Centre Eugène Marquis, Rennes, France
| | | | | | - Raphael Pineau
- INSERM U1242, Rennes, France
- Centre Eugène Marquis, Rennes, France
| | | | - Daria Sicari
- INSERM U1242, Rennes, France
- Centre Eugène Marquis, Rennes, France
| | | | | | - Eoghan McGrath
- INSERM U1242, Rennes, France
- Centre Eugène Marquis, Rennes, France
| | | | | | - Pierre Jean Le Reste
- INSERM U1242, Rennes, France
- Centre Eugène Marquis, Rennes, France
- Hospital of St Malo, France
| | - Kim Barroso
- IGBMC, Illkirch, France
- CNRS UMR7104, Illkirch, France
- INSERM U1258, Illkirch, France
| | - Tanya Fainsod-Levi
- Department of Developmental Biology and Cancer Research, Hebrew University of Jerusalem, Israel
| | | | - Zvi Granot
- Department of Developmental Biology and Cancer Research, Hebrew University of Jerusalem, Israel
| | | | | | | | - Luc Négroni
- IGBMC, Illkirch, France
- CNRS UMR7104, Illkirch, France
- INSERM U1258, Illkirch, France
| | | | | | | | - Aristotelis Chatziioannou
- ICB, NHRF, Athens, Greece
- Division of Molecular Genome Analysis, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | | | - Eric Chevet
- INSERM U1242, Rennes, France
- Centre Eugène Marquis, Rennes, France
| | - Tony Avril
- INSERM U1242, Rennes, France
- Centre Eugène Marquis, Rennes, France
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2
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Pelizzari-Raymundo D, Maltret V, Nivet M, Pineau R, Papaioannou A, Zhou X, Caradec F, Martin S, Le Gallo M, Avril T, Chevet E, Lafont E. IRE1 RNase controls CD95-mediated cell death. EMBO Rep 2024; 25:1792-1813. [PMID: 38383861 PMCID: PMC11014915 DOI: 10.1038/s44319-024-00095-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 01/18/2024] [Accepted: 02/03/2024] [Indexed: 02/23/2024] Open
Abstract
Signalling by the Unfolded Protein Response (UPR) or by the Death Receptors (DR) are frequently activated towards pro-tumoral outputs in cancer. Herein, we demonstrate that the UPR sensor IRE1 controls the expression of the DR CD95/Fas, and its cell death-inducing ability. Both genetic and pharmacologic blunting of IRE1 activity increased CD95 expression and exacerbated CD95L-induced cell death in glioblastoma (GB) and Triple-Negative Breast Cancer (TNBC) cell lines. In accordance, CD95 mRNA was identified as a target of Regulated IRE1-Dependent Decay of RNA (RIDD). Whilst CD95 expression is elevated in TNBC and GB human tumours exhibiting low RIDD activity, it is surprisingly lower in XBP1s-low human tumour samples. We show that IRE1 RNase inhibition limited CD95 expression and reduced CD95-mediated hepatic toxicity in mice. In addition, overexpression of XBP1s increased CD95 expression and sensitized GB and TNBC cells to CD95L-induced cell death. Overall, these results demonstrate the tight IRE1-mediated control of CD95-dependent cell death in a dual manner through both RIDD and XBP1s, and they identify a novel link between IRE1 and CD95 signalling.
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Affiliation(s)
- Diana Pelizzari-Raymundo
- Inserm U1242, University of Rennes, Rennes, France
- Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| | - Victoria Maltret
- Inserm U1242, University of Rennes, Rennes, France
- Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| | - Manon Nivet
- Inserm U1242, University of Rennes, Rennes, France
- Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| | - Raphael Pineau
- Inserm U1242, University of Rennes, Rennes, France
- Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| | - Alexandra Papaioannou
- Inserm U1242, University of Rennes, Rennes, France
- Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| | - Xingchen Zhou
- Inserm U1242, University of Rennes, Rennes, France
- Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| | - Flavie Caradec
- Inserm U1242, University of Rennes, Rennes, France
- Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| | - Sophie Martin
- Inserm U1242, University of Rennes, Rennes, France
- Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| | - Matthieu Le Gallo
- Inserm U1242, University of Rennes, Rennes, France
- Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| | - Tony Avril
- Inserm U1242, University of Rennes, Rennes, France
- Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| | - Eric Chevet
- Inserm U1242, University of Rennes, Rennes, France
- Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| | - Elodie Lafont
- Inserm U1242, University of Rennes, Rennes, France.
- Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France.
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3
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Mahdizadeh SJ, Grandén J, Pelizzari-Raymundo D, Guillory X, Carlesso A, Chevet E, Eriksson LA. Different binding modalities of quercetin to inositol-requiring enzyme 1 of S. cerevisiae and human lead to opposite regulation. Commun Chem 2024; 7:6. [PMID: 38177336 PMCID: PMC10767055 DOI: 10.1038/s42004-023-01092-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 12/20/2023] [Indexed: 01/06/2024] Open
Abstract
The flavonoid Quercetin (Qe) was identified as an activator of Inositol-requiring enzyme 1 (IRE1) in S. cerevisiae (scIre1p), but its impact on human IRE1 (hIRE1) remains controversial due to the absence of a conserved Qe binding site. We have explored the binding modes and effect of Qe on both scIre1p and hIRE1 dimers using in silico and in vitro approaches. The activation site in scIre1p stably accommodates both Qe and its derivative Quercitrin (Qi), thus enhancing the stability of the RNase pocket. However, the corresponding region in hIRE1 does not bind any of the two molecules. Instead, we show that both Qe and Qi block the RNase activity of hIRE1 in vitro, with sub-micromolar IC50 values. Our results provide a rationale for why Qe is an activator in scIre1p but a potent inhibitor in hIRE1. The identification of a new allosteric site in hIRE1 opens a promising window for drug development and UPR modulation.
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Affiliation(s)
- S Jalil Mahdizadeh
- Department of Chemistry and Molecular Biology, University of Gothenburg, 405 30, Göteborg, Sweden
| | - Johan Grandén
- Department of Chemistry and Molecular Biology, University of Gothenburg, 405 30, Göteborg, Sweden
| | - Diana Pelizzari-Raymundo
- INSERM U1242, Université de Rennes, Rennes, France
- Centre de Lutte contre le Cancer Eugène Marquis, Rennes, France
| | - Xavier Guillory
- INSERM U1242, Université de Rennes, Rennes, France
- Centre de Lutte contre le Cancer Eugène Marquis, Rennes, France
- Univ Rennes, CNRS, ISCR - UMR 6226, F-35000, Rennes, France
| | - Antonio Carlesso
- Department of Chemistry and Molecular Biology, University of Gothenburg, 405 30, Göteborg, Sweden
- Department of Pharmacology, Sahlgrenska Academy, University of Gothenburg, SE-405 31, Gothenburg, Sweden
| | - Eric Chevet
- INSERM U1242, Université de Rennes, Rennes, France.
- Centre de Lutte contre le Cancer Eugène Marquis, Rennes, France.
| | - Leif A Eriksson
- Department of Chemistry and Molecular Biology, University of Gothenburg, 405 30, Göteborg, Sweden.
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4
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Bakambamba K, Di Modugno F, Guilbard M, Le Goupil S, Lhomond S, Pelizzari-Raymundo D, Avril T, Chevet E, Delom F, Lafont E. Endoplasmic reticulum homeostasis-From molecules to organisms: Report on the 14th International Calreticulin Workshop, Saint Malo, France. J Cell Mol Med 2023; 28:e17840. [PMID: 37409695 PMCID: PMC10902559 DOI: 10.1111/jcmm.17840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 06/24/2023] [Accepted: 06/28/2023] [Indexed: 07/07/2023] Open
Abstract
The Calreticulin Workshop, initiated in 1994 by Marek Michalak in Banff (Alberta, Canada), was first organized to be an informal scientific meeting attended by researchers working on diverse biological questions related to functions associated with the endoplasmic reticulum (ER)-resident lectin-like chaperone and applied to a wide range of biological systems and models. Since then, this workshop has broadened the range of topics to cover all ER-related functions, has become international and has been held in Canada, Chile, Denmark, Italy, Switzerland, UK, USA, Greece and this year in France. Each conference, which is organized every other year (pending world-wide pandemic), generally attracts between 50 and 100 participants, including both early career researchers and international scientific leaders to favour discussions and exchanges. Over the years, the International Calreticulin Workshop has become an important gathering of the calreticulin and ER communities as a whole. The 14th International Calreticulin Workshop occurred from May 9-12 in St-Malo, Brittany, France, and has been highlighted by its rich scientific content and open-minded discussions held in a benevolent atmosphere. The 15th International Calreticulin Workshop will be organized in 2025 in Brussels, Belgium.
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Affiliation(s)
- Ketsia Bakambamba
- Inserm U1242, University of Rennes, Rennes, France
- Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| | - Federico Di Modugno
- Inserm U1242, University of Rennes, Rennes, France
- Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| | - Marianne Guilbard
- Inserm U1312, ARTiSt Lab, University of Bordeaux, Bordeaux, France
- Thabor Therapeutics, Paris, France
| | - Simon Le Goupil
- Inserm U1242, University of Rennes, Rennes, France
- Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| | - Stephanie Lhomond
- Inserm U1242, University of Rennes, Rennes, France
- Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| | - Diana Pelizzari-Raymundo
- Inserm U1242, University of Rennes, Rennes, France
- Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| | - Tony Avril
- Inserm U1242, University of Rennes, Rennes, France
- Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| | - Eric Chevet
- Inserm U1242, University of Rennes, Rennes, France
- Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| | - Frédéric Delom
- Inserm U1312, ARTiSt Lab, University of Bordeaux, Bordeaux, France
| | - Elodie Lafont
- Inserm U1242, University of Rennes, Rennes, France
- Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
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5
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Pelizzari-Raymundo D, Doultsinos D, Pineau R, Sauzay C, Koutsandreas T, Langlais T, Carlesso A, Gkotsi E, Negroni L, Avril T, Chatziioannou A, Chevet E, Eriksson LA, Guillory X. A novel IRE1 kinase inhibitor for adjuvant glioblastoma treatment. iScience 2023; 26:106687. [PMID: 37216120 PMCID: PMC10192531 DOI: 10.1016/j.isci.2023.106687] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 02/27/2023] [Accepted: 04/13/2023] [Indexed: 05/24/2023] Open
Abstract
Inositol-requiring enzyme 1 (IRE1) is a major mediator of the unfolded protein response (UPR), which is activated upon endoplasmic reticulum (ER) stress. Tumor cells experience ER stress due to adverse microenvironmental cues, a stress overcome by relying on IRE1 signaling as an adaptive mechanism. Herein, we report the discovery of structurally new IRE1 inhibitors identified through the structural exploration of its kinase domain. Characterization in in vitro and in cellular models showed that they inhibit IRE1 signaling and sensitize glioblastoma (GB) cells to the standard chemotherapeutic, temozolomide (TMZ). Finally, we demonstrate that one of these inhibitors, Z4P, permeates the blood-brain barrier (BBB), inhibits GB growth, and prevents relapse in vivo when administered together with TMZ. The hit compound disclosed herein satisfies an unmet need for targeted, non-toxic IRE1 inhibitors and our results support the attractiveness of IRE1 as an adjuvant therapeutic target in GB.
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Affiliation(s)
- Diana Pelizzari-Raymundo
- INSERM U1242, Université de Rennes, Rennes, France
- Centre de Lutte contre le Cancer Eugène Marquis, Rennes, France
| | - Dimitrios Doultsinos
- INSERM U1242, Université de Rennes, Rennes, France
- Centre de Lutte contre le Cancer Eugène Marquis, Rennes, France
| | - Raphael Pineau
- INSERM U1242, Université de Rennes, Rennes, France
- Centre de Lutte contre le Cancer Eugène Marquis, Rennes, France
| | - Chloé Sauzay
- INSERM U1242, Université de Rennes, Rennes, France
- Centre de Lutte contre le Cancer Eugène Marquis, Rennes, France
| | - Thodoris Koutsandreas
- e-NIOS PC, Kallithea-Athens, Greece
- Center of Systems Biology, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | | | - Antonio Carlesso
- Department of Chemistry and Molecular Biology, University of Gothenburg, Göteborg, Sweden
| | - Elena Gkotsi
- e-NIOS PC, Kallithea-Athens, Greece
- Center of Systems Biology, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Luc Negroni
- Proteomics platform, Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC)/INSERM U964/CNRS UMR 7104/Université de Strasbourg, Illkirch, France
| | - Tony Avril
- INSERM U1242, Université de Rennes, Rennes, France
- Centre de Lutte contre le Cancer Eugène Marquis, Rennes, France
| | - Aristotelis Chatziioannou
- e-NIOS PC, Kallithea-Athens, Greece
- Center of Systems Biology, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Eric Chevet
- INSERM U1242, Université de Rennes, Rennes, France
- Centre de Lutte contre le Cancer Eugène Marquis, Rennes, France
| | - Leif A. Eriksson
- Department of Chemistry and Molecular Biology, University of Gothenburg, Göteborg, Sweden
| | - Xavier Guillory
- INSERM U1242, Université de Rennes, Rennes, France
- Centre de Lutte contre le Cancer Eugène Marquis, Rennes, France
- Univ Rennes, CNRS, ISCR – UMR 6226, 35000 Rennes, France
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6
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Amarasinghe KN, Pelizzari-Raymundo D, Carlesso A, Chevet E, Eriksson LA, Jalil Mahdizadeh S. Sensor Dimer Disruption as a new Mode of Action to block the IRE1-mediated Unfolded Protein Response. Comput Struct Biotechnol J 2022; 20:1584-1592. [PMID: 35465159 PMCID: PMC9010685 DOI: 10.1016/j.csbj.2022.03.029] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 03/25/2022] [Accepted: 03/27/2022] [Indexed: 11/03/2022] Open
Abstract
The unfolded protein response (UPR) is activated to cope with an accumulation of improperly folded proteins in the Endoplasmic reticulum (ER). The Inositol requiring enzyme 1α (IRE1α) is the most evolutionary conserved transducer of the UPR. Activated IRE1 forms ‘back-to-back’-dimers that enables the unconventional splicing of X-box Binding Protein 1 (XBP1) mRNA. The spliced XBP1 (XBP1s) mRNA is translated into a transcription factor controlling the expression of UPR target genes. Herein, we report a detailed in silico screening specifically targeting for the first time the dimer interface at the IRE1 RNase region. Using the database of FDA approved drugs, we identified four compounds (neomycin, pemetrexed, quercitrin and rutin) that were able to bind to and distort IRE1 RNase cavity. The activity of the compounds on IRE1 phosphorylation was evaluated in HEK293T cells and on IRE1 RNase activity using an in vitro fluorescence assay. These analyzes revealed sub-micromolar IC50 values. The current study reveals a new and unique mode of action to target and block the IRE1-mediated UPR signaling, whereby we may avoid problems associated with selectivity occurring when targeting the IRE1 kinase pocket as well as the inherent reactivity of covalent inhibitors targeting the RNase pocket.
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