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de Thonel A, Ahlskog JK, Daupin K, Dubreuil V, Berthelet J, Chaput C, Pires G, Leonetti C, Abane R, Barris LC, Leray I, Aalto AL, Naceri S, Cordonnier M, Benasolo C, Sanial M, Duchateau A, Vihervaara A, Puustinen MC, Miozzo F, Fergelot P, Lebigot É, Verloes A, Gressens P, Lacombe D, Gobbo J, Garrido C, Westerheide SD, David L, Petitjean M, Taboureau O, Rodrigues-Lima F, Passemard S, Sabéran-Djoneidi D, Nguyen L, Lancaster M, Sistonen L, Mezger V. CBP-HSF2 structural and functional interplay in Rubinstein-Taybi neurodevelopmental disorder. Nat Commun 2022; 13:7002. [PMID: 36385105 PMCID: PMC9668993 DOI: 10.1038/s41467-022-34476-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 10/24/2022] [Indexed: 11/17/2022] Open
Abstract
Patients carrying autosomal dominant mutations in the histone/lysine acetyl transferases CBP or EP300 develop a neurodevelopmental disorder: Rubinstein-Taybi syndrome (RSTS). The biological pathways underlying these neurodevelopmental defects remain elusive. Here, we unravel the contribution of a stress-responsive pathway to RSTS. We characterize the structural and functional interaction between CBP/EP300 and heat-shock factor 2 (HSF2), a tuner of brain cortical development and major player in prenatal stress responses in the neocortex: CBP/EP300 acetylates HSF2, leading to the stabilization of the HSF2 protein. Consequently, RSTS patient-derived primary cells show decreased levels of HSF2 and HSF2-dependent alteration in their repertoire of molecular chaperones and stress response. Moreover, we unravel a CBP/EP300-HSF2-N-cadherin cascade that is also active in neurodevelopmental contexts, and show that its deregulation disturbs neuroepithelial integrity in 2D and 3D organoid models of cerebral development, generated from RSTS patient-derived iPSC cells, providing a molecular reading key for this complex pathology.
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Affiliation(s)
- Aurélie de Thonel
- Université de Paris, CNRS, Epigenetics and Cell Fate, F-75013, Paris, France.
| | - Johanna K Ahlskog
- Faculty of Science and Engineering, Cell Biology, Åbo Akademi University, Turku, Finland
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland
| | - Kevin Daupin
- Université de Paris, CNRS, Epigenetics and Cell Fate, F-75013, Paris, France
| | - Véronique Dubreuil
- Université de Paris, CNRS, Epigenetics and Cell Fate, F-75013, Paris, France
| | - Jérémy Berthelet
- Université de Paris, CNRS, Unité de Biologie Fonctionnelle et Adaptative, Paris, France
| | - Carole Chaput
- Université de Paris, CNRS, Epigenetics and Cell Fate, F-75013, Paris, France
- Ksilink, Strasbourg, France
| | - Geoffrey Pires
- Université de Paris, CNRS, Epigenetics and Cell Fate, F-75013, Paris, France
| | - Camille Leonetti
- Université de Paris, CNRS, Epigenetics and Cell Fate, F-75013, Paris, France
| | - Ryma Abane
- Université de Paris, CNRS, Epigenetics and Cell Fate, F-75013, Paris, France
| | - Lluís Cordón Barris
- Laboratory of Molecular Regulation of Neurogenesis, GIGA-Stem Cells and GIGA-Neurosciences, Interdisciplinary Cluster for Applied Genoproteomics (GIGA-R), University of Liège, CHU Sart Tilman, Liège, Belgium
| | - Isabelle Leray
- Université de Nantes, CHU Nantes, Inserm, CNRS, SFR Santé, Inserm UMS 016, CNRS UMS 3556, F-44000, Nantes, France
| | - Anna L Aalto
- Faculty of Science and Engineering, Cell Biology, Åbo Akademi University, Turku, Finland
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland
| | - Sarah Naceri
- Université de Paris, CNRS, Epigenetics and Cell Fate, F-75013, Paris, France
| | - Marine Cordonnier
- INSERM, UMR1231, Laboratoire d'Excellence LipSTIC, Dijon, France
- University of Bourgogne Franche-Comté, Dijon, France
- Département d'Oncologie médicale, Centre Georges-François Leclerc, Dijon, France
| | - Carène Benasolo
- Université de Paris, CNRS, Epigenetics and Cell Fate, F-75013, Paris, France
| | - Matthieu Sanial
- CNRS, UMR 7592 Institut Jacques Monod, F-75205, Paris, France
| | - Agathe Duchateau
- Université de Paris, CNRS, Epigenetics and Cell Fate, F-75013, Paris, France
| | - Anniina Vihervaara
- Faculty of Science and Engineering, Cell Biology, Åbo Akademi University, Turku, Finland
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland
- KTH Royal Institute of Technology, Stockholm, Sweden
| | - Mikael C Puustinen
- Faculty of Science and Engineering, Cell Biology, Åbo Akademi University, Turku, Finland
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland
| | - Federico Miozzo
- Université de Paris, CNRS, Epigenetics and Cell Fate, F-75013, Paris, France
- Neuroscience Institute-CNR (IN-CNR), Milan, Italy
| | - Patricia Fergelot
- Department of Medical Genetics, University Hospital of Bordeaux, Bordeaux, France and INSERM U1211, University of Bordeaux, Bordeaux, France
| | - Élise Lebigot
- Service de Biochimie-pharmaco-toxicologie, Hôpital Bicêtre, Hopitaux Universitaires Paris-Sud, 94270 Le Kremlin Bicêtre, Paris-Sud, France
| | - Alain Verloes
- Université de Paris, INSERM, NeuroDiderot, Robert-Debré Hospital, F-75019, Paris, France
- Genetics Department, AP-HP, Robert-Debré University Hospital, Paris, France
| | - Pierre Gressens
- Université de Paris, INSERM, NeuroDiderot, Robert-Debré Hospital, F-75019, Paris, France
| | - Didier Lacombe
- Department of Medical Genetics, University Hospital of Bordeaux, Bordeaux, France and INSERM U1211, University of Bordeaux, Bordeaux, France
| | - Jessica Gobbo
- INSERM, UMR1231, Laboratoire d'Excellence LipSTIC, Dijon, France
- University of Bourgogne Franche-Comté, Dijon, France
- Département d'Oncologie médicale, Centre Georges-François Leclerc, Dijon, France
| | - Carmen Garrido
- INSERM, UMR1231, Laboratoire d'Excellence LipSTIC, Dijon, France
- University of Bourgogne Franche-Comté, Dijon, France
- Département d'Oncologie médicale, Centre Georges-François Leclerc, Dijon, France
| | - Sandy D Westerheide
- Department of Cell Biology, Microbiology, and Molecular Biology, College of Arts and Sciences, University of South Florida, Tampa, FL, USA
| | - Laurent David
- Université de Nantes, CHU Nantes, Inserm, CNRS, SFR Santé, Inserm UMS 016, CNRS UMS 3556, F-44000, Nantes, France
| | - Michel Petitjean
- Université de Paris, CNRS, Unité de Biologie Fonctionnelle et Adaptative, Paris, France
| | - Olivier Taboureau
- Université de Paris, CNRS, Unité de Biologie Fonctionnelle et Adaptative, Paris, France
| | | | - Sandrine Passemard
- Université de Paris, INSERM, NeuroDiderot, Robert-Debré Hospital, F-75019, Paris, France
| | | | - Laurent Nguyen
- Laboratory of Molecular Regulation of Neurogenesis, GIGA-Stem Cells and GIGA-Neurosciences, Interdisciplinary Cluster for Applied Genoproteomics (GIGA-R), University of Liège, CHU Sart Tilman, Liège, Belgium
| | - Madeline Lancaster
- MRC Laboratory of Molecular Biology, Cambridge Biomedical, Campus, Cambridge, UK
| | - Lea Sistonen
- Faculty of Science and Engineering, Cell Biology, Åbo Akademi University, Turku, Finland
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland
| | - Valérie Mezger
- Université de Paris, CNRS, Epigenetics and Cell Fate, F-75013, Paris, France.
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Fang CT, Kuo HH, Hsu SC, Yih LH. HSP70 regulates Eg5 distribution within the mitotic spindle and modulates the cytotoxicity of Eg5 inhibitors. Cell Death Dis 2020; 11:715. [PMID: 32873777 PMCID: PMC7462862 DOI: 10.1038/s41419-020-02919-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 08/06/2020] [Accepted: 08/07/2020] [Indexed: 02/06/2023]
Abstract
The heat shock protein 70 (HSP70) is a conserved molecular chaperone and proteostasis regulator that protects cells from pharmacological stress and promotes drug resistance in cancer cells. In this study, we found that HSP70 may promote resistance to anticancer drugs that target the mitotic kinesin, Eg5, which is essential for assembly and maintenance of the mitotic spindle and cell proliferation. Our data show that loss of HSP70 activity enhances Eg5 inhibitor-induced cytotoxicity and spindle abnormalities. Furthermore, HSP70 colocalizes with Eg5 in the mitotic spindle, and inhibition of HSP70 disrupts this colocalization. Inhibition or depletion of HSP70 also causes Eg5 to accumulate at the spindle pole, altering microtubule dynamics and leading to chromosome misalignment. Using ground state depletion microscopy followed by individual molecule return (GSDIM), we found that HSP70 inhibition reduces the size of Eg5 ensembles and prevents their localization to the inter-polar region of the spindle. In addition, bis(maleimido)hexane-mediated protein-protein crosslinking and proximity ligation assays revealed that HSP70 inhibition deregulates the interaction between Eg5 tetramers and TPX2 at the spindle pole, leading to their accumulation in high-molecular-weight complexes. Finally, we showed that the passive substrate-binding activity of HSP70 is required for appropriate Eg5 distribution and function. Together, our results show that HSP70 substrate-binding activity may regulate proper assembly of Eg5 ensembles and Eg5-TPX2 complexes to modulate mitotic distribution/function of Eg5. Thus, HSP70 inhibition may sensitize cancer cells to Eg5 inhibitor-induced cytotoxicity.
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Affiliation(s)
- Chieh-Ting Fang
- Department of Life Science, National Taiwan University, Taipei, Taiwan.,Institute of Cellular and Organismic Biology, Academia Sinica, Taipei, Taiwan
| | - Hsiao-Hui Kuo
- Institute of Cellular and Organismic Biology, Academia Sinica, Taipei, Taiwan
| | - Shao-Chun Hsu
- Institute of Cellular and Organismic Biology, Academia Sinica, Taipei, Taiwan
| | - Ling-Huei Yih
- Institute of Cellular and Organismic Biology, Academia Sinica, Taipei, Taiwan.
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Kakihana A, Oto Y, Saito Y, Nakayama Y. Heat shock-induced mitotic arrest requires heat shock protein 105 for the activation of spindle assembly checkpoint. FASEB J 2018; 33:3936-3953. [PMID: 30496702 DOI: 10.1096/fj.201801369r] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Heat shock causes proteotoxic stress that induces various cellular responses, including delayed mitotic progression and the generation of an aberrant number of chromosomes. In this study, heat shock delayed the onset of anaphase by increasing the number of misoriented cells, accompanied by the kinetochore localization of budding uninhibited by benzimidazole-related (BubR)1 in a monopolar spindle (Mps)1-dependent manner. The mitotic delay was canceled by knockdown of mitotic arrest defect (Mad)2. Knockdown of heat shock protein (Hsp)105 partially abrogated the mitotic delay with the loss of the kinetochore localization of BubR1 under heat shock conditions and accelerated mitotic progression under nonstressed conditions. Consistent with this result, Hsp105 knockdown increased the number of anaphase cells with lagging chromosomes, through mitotic slippage, and decreased taxol sensitivity more than Mad2 knockdown. Hsp105 was coprecipitated with cell division cycle (Cdc)20 in an Mps1-dependent manner; however, its knockdown did not affect coprecipitation of Mad2 and BubR1 with Cdc20. We propose that heat shock delays the onset of anaphase via the activation of the spindle assembly checkpoint (SAC). Hsp105 prevents abnormal cell division by contributing to SAC activation under heat shock and nonstressed conditions by interacting with Cdc20 but not affecting formation of the mitotic checkpoint complex.-Kakihana, A., Oto, Y., Saito, Y., Nakayama, Y. Heat shock-induced mitotic arrest requires heat shock protein 105 for the activation of spindle assembly checkpoint.
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Affiliation(s)
- Ayana Kakihana
- Department of Biochemistry and Molecular Biology, Kyoto Pharmaceutical University, Kyoto, Japan
| | - Yui Oto
- Department of Biochemistry and Molecular Biology, Kyoto Pharmaceutical University, Kyoto, Japan
| | - Youhei Saito
- Department of Biochemistry and Molecular Biology, Kyoto Pharmaceutical University, Kyoto, Japan
| | - Yuji Nakayama
- Department of Biochemistry and Molecular Biology, Kyoto Pharmaceutical University, Kyoto, Japan
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Fang CT, Kuo HH, Pan TS, Yu FC, Yih LH. HSP70 regulates the function of mitotic centrosomes. Cell Mol Life Sci 2016; 73:3949-60. [PMID: 27137183 PMCID: PMC11108311 DOI: 10.1007/s00018-016-2236-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Revised: 04/16/2016] [Accepted: 04/21/2016] [Indexed: 10/21/2022]
Abstract
To establish a functional bipolar mitotic spindle, the centrosome expands and matures, acquiring enhanced activities for microtubule (MT) nucleation and assembly at the onset of mitosis. However, the regulatory mechanisms of centrosome maturation and MT assembly from the matured centrosome are largely unknown. In this study, we showed that heat shock protein (HSP) 70 considerably accumulates at the mitotic centrosome during prometaphase to metaphase and is required for bipolar spindle assembly. Inhibition or depletion of HSP70 impaired the function of mitotic centrosome and disrupted MT nucleation and polymerization from the spindle pole, and may thus result in formation of abnormal mitotic spindles. In addition, HSP70 may associate with NEDD1 and γ-tubulin, two pericentriolar material (PCM) components essential for centrosome maturation and MT nucleation. Loss of HSP70 function disrupted the interaction between NEDD1 and γ-tubulin, and reduced their accumulation at the mitotic centrosome. Our results thus demonstrate a role for HSP70 in regulating centrosome integrity during mitosis, and indicate that HSP70 is required for the maintenance of a functional mitotic centrosome that supports the assembly of a bipolar mitotic spindle.
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Affiliation(s)
- Chieh-Ting Fang
- Department of Life Science, National Taiwan University, Taipei, Taiwan
- Institute of Cellular and Organismic Biology, Academia Sinica, Taipei, 115, Taiwan
| | - Hsiao-Hui Kuo
- Institute of Cellular and Organismic Biology, Academia Sinica, Taipei, 115, Taiwan
| | - Tiffany S Pan
- Institute of Cellular and Organismic Biology, Academia Sinica, Taipei, 115, Taiwan
| | - Fu-Chi Yu
- Institute of Cellular and Organismic Biology, Academia Sinica, Taipei, 115, Taiwan
| | - Ling-Huei Yih
- Department of Life Science, National Taiwan University, Taipei, Taiwan.
- Institute of Cellular and Organismic Biology, Academia Sinica, Taipei, 115, Taiwan.
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