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Pluripotent Stem Cells in Disease Modeling and Drug Discovery for Myotonic Dystrophy Type 1. Cells 2023; 12:cells12040571. [PMID: 36831237 PMCID: PMC9954118 DOI: 10.3390/cells12040571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 02/04/2023] [Accepted: 02/07/2023] [Indexed: 02/12/2023] Open
Abstract
Myotonic dystrophy type 1 (DM1) is a progressive multisystemic disease caused by the expansion of a CTG repeat tract within the 3' untranslated region (3' UTR) of the dystrophia myotonica protein kinase gene (DMPK). Although DM1 is considered to be the most frequent myopathy of genetic origin in adults, DM1 patients exhibit a vast diversity of symptoms, affecting many different organs. Up until now, different in vitro models from patients' derived cells have largely contributed to the current understanding of DM1. Most of those studies have focused on muscle physiopathology. However, regarding the multisystemic aspect of DM1, there is still a crucial need for relevant cellular models to cover the whole complexity of the disease and open up options for new therapeutic approaches. This review discusses how human pluripotent stem cell-based models significantly contributed to DM1 mechanism decoding, and how they provided new therapeutic strategies that led to actual phase III clinical trials.
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Tahraoui-Bories J, Mérien A, González-Barriga A, Lainé J, Leteur C, Polvèche H, Carteron A, De Lamotte JD, Nicoleau C, Polentes J, Jarrige M, Gomes-Pereira M, Ventre E, Poydenot P, Furling D, Schaeffer L, Legay C, Martinat C. MBNL-dependent impaired development within the neuromuscular system in myotonic dystrophy type 1. Neuropathol Appl Neurobiol 2023; 49:e12876. [PMID: 36575942 PMCID: PMC10107781 DOI: 10.1111/nan.12876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 10/27/2022] [Accepted: 12/12/2022] [Indexed: 12/29/2022]
Abstract
AIMS Myotonic dystrophy type I (DM1) is one of the most frequent muscular dystrophies in adults. Although DM1 has long been considered mainly a muscle disorder, growing evidence suggests the involvement of peripheral nerves in the pathogenicity of DM1 raising the question of whether motoneurons (MNs) actively contribute to neuromuscular defects in DM1. METHODS By using micropatterned 96-well plates as a coculture platform, we generated a functional neuromuscular model combining DM1 and muscleblind protein (MBNL) knock-out human-induced pluripotent stem cells-derived MNs and human healthy skeletal muscle cells. RESULTS This approach led to the identification of presynaptic defects which affect the formation or stability of the neuromuscular junction at an early developmental stage. These neuropathological defects could be reproduced by the loss of RNA-binding MBNL proteins, whose loss of function in vivo is associated with muscular defects associated with DM1. These experiments indicate that the functional defects associated with MNs can be directly attributed to MBNL family proteins. Comparative transcriptomic analyses also revealed specific neuronal-related processes regulated by these proteins that are commonly misregulated in DM1. CONCLUSIONS Beyond the application to DM1, our approach to generating a robust and reliable human neuromuscular system should facilitate disease modelling studies and drug screening assays.
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Affiliation(s)
| | - Antoine Mérien
- INSERM/UEVE UMR 861, Université Paris Saclay, I-STEM, Corbeil-Essonnes, France
| | - Anchel González-Barriga
- INSERM, Institut de Myologie, Centre de Recherche en Myologie, Sorbonne Université, Paris, France
| | - Jeanne Lainé
- INSERM, Institut de Myologie, Centre de Recherche en Myologie, Sorbonne Université, Paris, France
| | | | | | | | | | | | | | | | - Mário Gomes-Pereira
- INSERM, Institut de Myologie, Centre de Recherche en Myologie, Sorbonne Université, Paris, France
| | | | | | - Denis Furling
- INSERM, Institut de Myologie, Centre de Recherche en Myologie, Sorbonne Université, Paris, France
| | - Laurent Schaeffer
- INMG, INSERM U1217, CNRS UMR5310, Université Lyon 1, Université de Lyon, Hospices Civils de Lyon, Lyon, France
| | - Claire Legay
- CNRS, SPINN-Saint-Pères Paris Institute for the Neurosciences, Université Paris Cité, Paris, France
| | - Cécile Martinat
- INSERM/UEVE UMR 861, Université Paris Saclay, I-STEM, Corbeil-Essonnes, France
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Kawada R, Jonouchi T, Kagita A, Sato M, Hotta A, Sakurai H. Establishment of quantitative and consistent in vitro skeletal muscle pathological models of myotonic dystrophy type 1 using patient-derived iPSCs. Sci Rep 2023; 13:94. [PMID: 36631509 PMCID: PMC9834395 DOI: 10.1038/s41598-022-26614-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 12/16/2022] [Indexed: 01/13/2023] Open
Abstract
Myotonic dystrophy type 1 (DM1) is caused by expanded CTG repeats (CTGexp) in the dystrophia myotonica protein kinase (DMPK) gene, and the transcription products, expanded CUG repeats, sequester muscleblind like splicing regulator 1 (MBNL1), resulting in the nuclear MBNL1 aggregation in the DM1 cells. Loss of MBNL1 function is the pivotal mechanism underlying the pathogenesis of DM1. To develop therapeutics for DM1, proper human in vitro models based on the pathologic mechanism of DM1 are required. In this study, we established robust in vitro skeletal muscle cell models of DM1 with patient-derived induced pluripotent stem cells (iPSCs) using the MyoD1-induced system and iPSCs-derived muscle stem cell (iMuSC) differentiation system. Our newly established DM1 models enable simple quantitative evaluation of nuclear MBNL1 aggregation and the downstream splicing defects. Quantitative analyses using the MyoD1-induced myotubes showed that CTGexp-deleted DM1 skeletal myotubes exhibited a reversal of MBNL1-related pathologies, and antisense oligonucleotide treatment recovered these disease phenotypes in the DM1-iPSCs-derived myotubes. Furthermore, iMuSC-derived myotubes exhibited higher maturity than the MyoD1-induced myotubes, which enabled us to recapitulate the SERCA1 splicing defect in the DM1-iMuSC-derived myotubes. Our quantitative and reproducible in vitro models for DM1 established using human iPSCs are promising for drug discovery against DM1.
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Affiliation(s)
- Ryu Kawada
- grid.258799.80000 0004 0372 2033Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, 606-8507 Japan ,grid.419836.10000 0001 2162 3360Discovery Research Laboratories, Taisho Pharmaceutical Co., Ltd., Saitama, 331-9530 Japan
| | - Tatsuya Jonouchi
- grid.258799.80000 0004 0372 2033Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, 606-8507 Japan
| | - Akihiro Kagita
- grid.258799.80000 0004 0372 2033Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, 606-8507 Japan
| | - Masae Sato
- grid.258799.80000 0004 0372 2033Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, 606-8507 Japan
| | - Akitsu Hotta
- grid.258799.80000 0004 0372 2033Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, 606-8507 Japan
| | - Hidetoshi Sakurai
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, 606-8507, Japan.
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Hoch L, Bourg N, Degrugillier F, Bruge C, Benabides M, Pellier E, Tournois J, Mahé G, Maignan N, Dawe J, Georges M, Papazian D, Subramanian N, Simon S, Fanen P, Delevoye C, Richard I, Nissan X. Dual Blockade of Misfolded Alpha-Sarcoglycan Degradation by Bortezomib and Givinostat Combination. Front Pharmacol 2022; 13:856804. [PMID: 35571097 PMCID: PMC9093689 DOI: 10.3389/fphar.2022.856804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 04/04/2022] [Indexed: 11/13/2022] Open
Abstract
Limb-girdle muscular dystrophy type R3 (LGMD R3) is a rare genetic disorder characterized by a progressive proximal muscle weakness and caused by mutations in the SGCA gene encoding alpha-sarcoglycan (α-SG). Here, we report the results of a mechanistic screening ascertaining the molecular mechanisms involved in the degradation of the most prevalent misfolded R77C-α-SG protein. We performed a combinatorial study to identify drugs potentializing the effect of a low dose of the proteasome inhibitor bortezomib on the R77C-α-SG degradation inhibition. Analysis of the screening associated to artificial intelligence-based predictive ADMET characterization of the hits led to identification of the HDAC inhibitor givinostat as potential therapeutical candidate. Functional characterization revealed that givinostat effect was related to autophagic pathway inhibition, unveiling new theories concerning degradation pathways of misfolded SG proteins. Beyond the identification of a new therapeutic option for LGMD R3 patients, our results shed light on the potential repurposing of givinostat for the treatment of other genetic diseases sharing similar protein degradation defects such as LGMD R5 and cystic fibrosis.
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Affiliation(s)
- Lucile Hoch
- CECS, I-Stem, Corbeil-Essonne, France.,INSERM U861, I-Stem, Corbeil-Essonne, France.,UEVE U861, I-Stem, Corbeil-Essonne, France
| | - Nathalie Bourg
- INTEGRARE, Genethon, Inserm, Univ Evry, Université Paris-Saclay, Evry, France
| | | | - Céline Bruge
- CECS, I-Stem, Corbeil-Essonne, France.,INSERM U861, I-Stem, Corbeil-Essonne, France.,UEVE U861, I-Stem, Corbeil-Essonne, France
| | - Manon Benabides
- CECS, I-Stem, Corbeil-Essonne, France.,INSERM U861, I-Stem, Corbeil-Essonne, France.,UEVE U861, I-Stem, Corbeil-Essonne, France
| | - Emilie Pellier
- CECS, I-Stem, Corbeil-Essonne, France.,INSERM U861, I-Stem, Corbeil-Essonne, France.,UEVE U861, I-Stem, Corbeil-Essonne, France
| | - Johana Tournois
- CECS, I-Stem, Corbeil-Essonne, France.,INSERM U861, I-Stem, Corbeil-Essonne, France.,UEVE U861, I-Stem, Corbeil-Essonne, France
| | - Gurvan Mahé
- CECS, I-Stem, Corbeil-Essonne, France.,INSERM U861, I-Stem, Corbeil-Essonne, France.,UEVE U861, I-Stem, Corbeil-Essonne, France
| | | | | | | | | | | | | | - Pascale Fanen
- Université Paris Est Creteil, INSERM, IMRB, Créteil, France.,Département de Genetique, DMU Biologie-Pathologie, GH Mondor-A. Chenevier, AP-HP, Creteil, France
| | - Cédric Delevoye
- Institut Curie, PSL Research University, CNRS, UMR144, Structure and Membrane Compartments, Paris, France.,Institut Curie, PSL Research University, CNRS, UMR144, Cell and Tissue Imaging Facility (PICT-IBiSA), Paris, France
| | - Isabelle Richard
- INTEGRARE, Genethon, Inserm, Univ Evry, Université Paris-Saclay, Evry, France
| | - Xavier Nissan
- CECS, I-Stem, Corbeil-Essonne, France.,INSERM U861, I-Stem, Corbeil-Essonne, France.,UEVE U861, I-Stem, Corbeil-Essonne, France
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Mérien A, Tahraoui-Bories J, Cailleret M, Dupont JB, Leteur C, Polentes J, Carteron A, Polvèche H, Concordet JP, Pinset C, Jarrige M, Furling D, Martinat C. CRISPR gene editing in pluripotent stem cells reveals the function of MBNL proteins during human in vitro myogenesis. Hum Mol Genet 2021; 31:41-56. [PMID: 34312665 PMCID: PMC8682758 DOI: 10.1093/hmg/ddab218] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 07/10/2021] [Accepted: 07/21/2021] [Indexed: 11/14/2022] Open
Abstract
Alternative splicing has emerged as a fundamental mechanism for the spatiotemporal control of development. A better understanding of how this mechanism is regulated has the potential not only to elucidate fundamental biological principles, but also to decipher pathological mechanisms implicated in diseases where normal splicing networks are misregulated. Here, we took advantage of human pluripotent stem cells to decipher during human myogenesis the role of muscleblind-like (MBNL) proteins, a family of tissue-specific splicing regulators whose loss of function is associated with myotonic dystrophy type 1 (DM1), an inherited neuromuscular disease. Thanks to the CRISPR/Cas9 technology, we generated human-induced pluripotent stem cells (hiPSCs) depleted in MBNL proteins and evaluated the consequences of their losses on the generation of skeletal muscle cells. Our results suggested that MBNL proteins are required for the late myogenic maturation. In addition, loss of MBNL1 and MBNL2 recapitulated the main features of DM1 observed in hiPSC-derived skeletal muscle cells. Comparative transcriptomic analyses also revealed the muscle-related processes regulated by these proteins that are commonly misregulated in DM1. Together, our study reveals the temporal requirement of MBNL proteins in human myogenesis and should facilitate the identification of new therapeutic strategies capable to cope with the loss of function of these MBNL proteins.
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Affiliation(s)
- Antoine Mérien
- INSERM/UEPS UMR 861, Paris Saclay University, I-STEM, 91100 Corbeil-Essonnes, France
| | - Julie Tahraoui-Bories
- INSERM/UEPS UMR 861, Paris Saclay University, I-STEM, 91100 Corbeil-Essonnes, France
| | - Michel Cailleret
- INSERM/UEPS UMR 861, Paris Saclay University, I-STEM, 91100 Corbeil-Essonnes, France
| | - Jean-Baptiste Dupont
- INSERM/UEPS UMR 861, Paris Saclay University, I-STEM, 91100 Corbeil-Essonnes, France
| | | | | | | | | | | | | | | | - Denis Furling
- Sorbonne Université, INSERM, Association Institut de Myologie, Centre de recherche en myologie, Paris, France
| | - Cécile Martinat
- INSERM/UEPS UMR 861, Paris Saclay University, I-STEM, 91100 Corbeil-Essonnes, France
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Wansink DG, Gourdon G, van Engelen BGM, Schoser B. 248th ENMC International Workshop: Myotonic dystrophies: Molecular approaches for clinical purposes, framing a European molecular research network, Hoofddorp, the Netherlands, 11-13 October 2019. Neuromuscul Disord 2020; 30:521-531. [PMID: 32417002 DOI: 10.1016/j.nmd.2020.03.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 03/19/2020] [Indexed: 01/11/2023]
Affiliation(s)
- Derick G Wansink
- Radboud Institute for Molecular Life Sciences, Department of Cell Biology, Radboud University Medical Center, 6525 GA Nijmegen, the Netherlands
| | - Geneviève Gourdon
- Inserm UMR 974, Sorbonne Université, Centre de Recherche en Myologie, Association Institut de Myologie, 75013 Paris, France
| | - Baziel G M van Engelen
- Donders Institute for Brain, Cognition and Behaviour, Department of Neurology, Radboud University Medical Center, 6525 GC Nijmegen, the Netherlands
| | - Benedikt Schoser
- Friedrich-Baur-Institute, Department of Neurology, Ludwig-Maximilians-University, Munich, Germany.
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