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CRISPR/Cas9 Technology in Restoring Dystrophin Expression in iPSC-Derived Muscle Progenitors
Published on: September 14, 2019
Emerging therapeutic strategies in muscular dystrophy: an updated review on pathogenesis and treatment advances
Shahid Parwez1,2, Khurshid Ahmad3, Eun Ju Lee1,2
1Department of Medical Biotechnology, Yeungnam University, Gyeongsan, 38541, South Korea.
Abstract:
Muscular dystrophy (MD) comprises a class of genetic conditions characterized by the progressive degeneration and weakness of skeletal muscle. Genetic etiologies differ among the major muscular dystrophies: myotonic dystrophy type 1 (DM1) is linked to CTG repeat expansion in DMPK whereas DM2 is linked to CCTG repeat expansion in CNBP; facioscapulohumeral muscular dystrophy (FSHD1) is linked to contraction of the D4Z4 repeat to cause inappropriate DUX4 expression whereas FSHD2 is linked to mutations in chromatin modifier SMCHD1 that derepress DUX4 expression. Despite advancements in investigations into the molecular mechanisms, effective treatments for MD remain limited. This review study aims to elaborate on the pathogenesis of each type of MD, including the underlying genetic mutations, cellular dysfunction, and pathway deregulation. We also conduct comprehensive research on various breakthroughs in treatment strategies, including protein replacement therapies, stem-cell-based, exon skipping, gene therapy, and recently discovered drugs for MD. Furthermore, this study focuses on the artificial intelligence (AI)-based improvement in the diagnosis, management, and treatment of MD. The AI-based discovery of compounds has provided novel treatment modalities that hold potential for managing MD conditions.
Insights
Muscular dystrophy (MD) involves progressive muscle weakness due to genetic causes. This review explores MD pathogenesis, current treatments, and the emerging role of artificial intelligence in diagnosis and novel therapeutic discovery.
Area of Science:
- Genetics and Molecular Biology
- Neurology
- Biomedical Engineering
Background:
- Muscular dystrophy (MD) encompasses genetic disorders causing progressive skeletal muscle degeneration.
- Specific types like myotonic dystrophy (DM1, DM2) and facioscapulohumeral muscular dystrophy (FSHD1, FSHD2) have distinct genetic underpinnings.
- Limited effective treatments necessitate exploration of novel therapeutic avenues.
Purpose of the Study:
- To review the pathogenesis of various MD types, detailing genetic mutations and cellular dysfunctions.
- To comprehensively research current and emerging treatment strategies for MD.
- To highlight the impact of artificial intelligence (AI) on MD diagnosis, management, and treatment discovery.
Main Methods:
- Literature review of genetic causes, molecular mechanisms, and pathway deregulation in MD.
- Analysis of diverse therapeutic approaches including protein replacement, stem cells, exon skipping, gene therapy, and drug discovery.
- Examination of AI applications in MD research and clinical practice.
Main Results:
- Detailed elucidation of the genetic basis and molecular pathology for major MD subtypes.
- Overview of promising, albeit limited, therapeutic interventions currently available or under investigation.
- Demonstration of AI's potential in accelerating compound discovery and improving MD management.
Conclusions:
- Understanding MD pathogenesis is crucial for developing targeted therapies.
- A multi-faceted approach combining genetic insights, advanced therapeutics, and AI is essential for tackling MD.
- AI-driven strategies offer significant promise for future MD treatment breakthroughs.
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