1
|
Bonucci M, Kuperwasser N, Barbe S, Koka V, de Villeneuve D, Zhang C, Srivastava N, Jia X, Stokes MP, Bienaimé F, Verkarre V, Lopez JB, Jaulin F, Pontoglio M, Terzi F, Delaval B, Piel M, Pende M. mTOR and S6K1 drive polycystic kidney by the control of Afadin-dependent oriented cell division. Nat Commun 2020; 11:3200. [PMID: 32581239 PMCID: PMC7314806 DOI: 10.1038/s41467-020-16978-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [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: 10/01/2019] [Accepted: 06/01/2020] [Indexed: 02/08/2023] Open
Abstract
mTOR activation is essential and sufficient to cause polycystic kidneys in Tuberous Sclerosis Complex (TSC) and other genetic disorders. In disease models, a sharp increase of proliferation and cyst formation correlates with a dramatic loss of oriented cell division (OCD). We find that OCD distortion is intrinsically due to S6 kinase 1 (S6K1) activation. The concomitant loss of S6K1 in Tsc1-mutant mice restores OCD but does not decrease hyperproliferation, leading to non-cystic harmonious hyper growth of kidneys. Mass spectrometry-based phosphoproteomics for S6K1 substrates revealed Afadin, a known component of cell-cell junctions required to couple intercellular adhesions and cortical cues to spindle orientation. Afadin is directly phosphorylated by S6K1 and abnormally decorates the apical surface of Tsc1-mutant cells with E-cadherin and α-catenin. Our data reveal that S6K1 hyperactivity alters centrosome positioning in mitotic cells, affecting oriented cell division and promoting kidney cysts in conditions of mTOR hyperactivity.
Collapse
Affiliation(s)
- Martina Bonucci
- Institut Necker-Enfants Malades, 14 rue Maria Helena Vieira Da Silva, CS, 61431, Paris, France.,Inserm, U1151, Paris, F-75014, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Nicolas Kuperwasser
- Institut Necker-Enfants Malades, 14 rue Maria Helena Vieira Da Silva, CS, 61431, Paris, France.,Inserm, U1151, Paris, F-75014, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Serena Barbe
- Institut Necker-Enfants Malades, 14 rue Maria Helena Vieira Da Silva, CS, 61431, Paris, France.,Inserm, U1151, Paris, F-75014, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Vonda Koka
- Institut Necker-Enfants Malades, 14 rue Maria Helena Vieira Da Silva, CS, 61431, Paris, France.,Inserm, U1151, Paris, F-75014, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Delphine de Villeneuve
- Institut Necker-Enfants Malades, 14 rue Maria Helena Vieira Da Silva, CS, 61431, Paris, France.,Inserm, U1151, Paris, F-75014, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Chi Zhang
- Institut Necker-Enfants Malades, 14 rue Maria Helena Vieira Da Silva, CS, 61431, Paris, France.,Inserm, U1151, Paris, F-75014, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Nishit Srivastava
- Institut Curie, PSL Research University, CNRS, UMR 144, F-75005, Paris, France
| | - Xiaoying Jia
- Cell Signaling Technology INC, 3 Trask Lane, Danvers, MA, 01923, USA
| | - Matthew P Stokes
- Cell Signaling Technology INC, 3 Trask Lane, Danvers, MA, 01923, USA
| | - Frank Bienaimé
- Institut Necker-Enfants Malades, 14 rue Maria Helena Vieira Da Silva, CS, 61431, Paris, France.,Inserm, U1151, Paris, F-75014, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Virginie Verkarre
- Université de Paris, PARCC, INSERM, Equipe Labellisée par la Ligue contre le Cancer, F-75015, Paris, France.,Assistance Publique-Hôpitaux de Paris (AP-HP centre), Hôpital Européen Georges Pompidou, Département d'anatomo-pathologie, F-75015, Paris, France
| | | | | | - Marco Pontoglio
- Institut Necker-Enfants Malades, 14 rue Maria Helena Vieira Da Silva, CS, 61431, Paris, France.,Inserm, U1151, Paris, F-75014, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Fabiola Terzi
- Institut Necker-Enfants Malades, 14 rue Maria Helena Vieira Da Silva, CS, 61431, Paris, France.,Inserm, U1151, Paris, F-75014, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Benedicte Delaval
- CRBM, CNRS, Univ. Montpellier, Centrosome, cilia and pathologies Lab, 1919 Route de Mende, 34293, Montpellier, France
| | - Matthieu Piel
- Institut Curie, PSL Research University, CNRS, UMR 144, F-75005, Paris, France
| | - Mario Pende
- Institut Necker-Enfants Malades, 14 rue Maria Helena Vieira Da Silva, CS, 61431, Paris, France. .,Inserm, U1151, Paris, F-75014, France. .,Université Paris Descartes, Sorbonne Paris Cité, Paris, France.
| |
Collapse
|
2
|
Rashid T, Nemazanyy I, Paolini C, Tatsuta T, Crespin P, de Villeneuve D, Brodesser S, Benit P, Rustin P, Baraibar MA, Agbulut O, Olivier A, Protasi F, Langer T, Chrast R, de Lonlay P, de Foucauld H, Blaauw B, Pende M. Lipin1 deficiency causes sarcoplasmic reticulum stress and chaperone-responsive myopathy. EMBO J 2019; 38:e99576. [PMID: 30420558 PMCID: PMC6315296 DOI: 10.15252/embj.201899576] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 09/21/2018] [Accepted: 10/02/2018] [Indexed: 12/20/2022] Open
Abstract
As a consequence of impaired glucose or fatty acid metabolism, bioenergetic stress in skeletal muscles may trigger myopathy and rhabdomyolysis. Genetic mutations causing loss of function of the LPIN1 gene frequently lead to severe rhabdomyolysis bouts in children, though the metabolic alterations and possible therapeutic interventions remain elusive. Here, we show that lipin1 deficiency in mouse skeletal muscles is sufficient to trigger myopathy. Strikingly, muscle fibers display strong accumulation of both neutral and phospholipids. The metabolic lipid imbalance can be traced to an altered fatty acid synthesis and fatty acid oxidation, accompanied by a defect in acyl chain elongation and desaturation. As an underlying cause, we reveal a severe sarcoplasmic reticulum (SR) stress, leading to the activation of the lipogenic SREBP1c/SREBP2 factors, the accumulation of the Fgf21 cytokine, and alterations of SR-mitochondria morphology. Importantly, pharmacological treatments with the chaperone TUDCA and the fatty acid oxidation activator bezafibrate improve muscle histology and strength of lipin1 mutants. Our data reveal that SR stress and alterations in SR-mitochondria contacts are contributing factors and potential intervention targets of the myopathy associated with lipin1 deficiency.
Collapse
Affiliation(s)
- Talha Rashid
- Institut Necker-Enfants Malades, Paris, France
- Inserm, U1151, Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
- Sanofi R&D, Translational Sciences Unit, In Silico Biology, Chilly-Mazarin, France
| | - Ivan Nemazanyy
- Platform for Metabolic Analyses, Institut Necker-Enfants Malades, Paris, France
| | - Cecilia Paolini
- Center for Research on Ageing and Translational Medicine (CeSI-MeT), Department of Neuroscience, Imaging, and Clinical Sciences (DNICS), University G. d' Annunzio of Chieti, Chieti, Italy
| | - Takashi Tatsuta
- Max-Planck-Institute for Biology of Ageing, Cologne, Germany
| | - Paul Crespin
- Institut Necker-Enfants Malades, Paris, France
- Inserm, U1151, Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Delphine de Villeneuve
- Institut Necker-Enfants Malades, Paris, France
- Inserm, U1151, Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Susanne Brodesser
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, Cologne, Germany
| | - Paule Benit
- INSERM, UMR 1141, Hôpital Robert Debré, Paris, France
| | - Pierre Rustin
- INSERM, UMR 1141, Hôpital Robert Debré, Paris, France
| | | | - Onnik Agbulut
- CNRS, Institut de Biologie Paris-Seine (IBPS), Biological Adaptation and Ageing, Sorbonne Université, Paris, France
| | - Anne Olivier
- Sanofi R&D, Translational Sciences Unit, In Silico Biology, Chilly-Mazarin, France
| | - Feliciano Protasi
- Center for Research on Ageing and Translational Medicine (CeSI-MeT), Department of Neuroscience, Imaging, and Clinical Sciences (DNICS), University G. d' Annunzio of Chieti, Chieti, Italy
| | - Thomas Langer
- Max-Planck-Institute for Biology of Ageing, Cologne, Germany
| | - Roman Chrast
- Department of Neuroscience and Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Pascale de Lonlay
- Institut Necker-Enfants Malades, Paris, France
- Inserm, U1151, Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Helene de Foucauld
- Sanofi R&D, Translational Sciences Unit, In Silico Biology, Chilly-Mazarin, France
| | - Bert Blaauw
- Department of Biomedical Sciences, Venetian Institute of Molecular Medicine, University of Padova, Padova, Italy
| | - Mario Pende
- Institut Necker-Enfants Malades, Paris, France
- Inserm, U1151, Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| |
Collapse
|