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Updated: Oct 2, 2025
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Preparation and Culture of Myogenic Precursor Cells/Primary Myoblasts from Skeletal Muscle of Adult and Aged Humans
Published on: February 16, 2017
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Cellular Senescence and Aging in Myotonic Dystrophy.
Yuhei Hasuike1, Hideki Mochizuki1, Masayuki Nakamori1
1Department of Neurology, Osaka University Graduate School of Medicine, Suita 565-0871, Osaka, Japan.
International Journal of Molecular Sciences
|February 26, 2022
Summary
Myotonic dystrophy (DM) shares aging-like symptoms, with cellular senescence playing a key role in its pathophysiology. Therapies targeting aging processes may offer new treatment avenues for DM patients.
Area of Science:
- Genetics and Molecular Biology
- Aging Research
- Cellular Biology
Background:
- Myotonic dystrophy (DM) is a genetic disorder affecting multiple organs, caused by expanded DNA repeats.
- DM1 and DM2 result from CTG and CCTG repeat expansions, respectively, leading to RNA foci and splicing defects.
- DM symptoms like muscle weakness and cognitive issues resemble premature aging.
Purpose of the Study:
- To explore the clinical parallels between myotonic dystrophy and aging.
- To review the role of cellular senescence in DM pathogenesis.
- To discuss potential anti-aging therapies for myotonic dystrophy.
Main Methods:
- Literature review focusing on clinical similarities between DM and aging.
- Analysis of studies investigating cellular senescence in DM.
- Exploration of senescence inducers and biomarkers in DM.
Main Results:
- DM manifestations significantly overlap with symptoms of premature aging.
- Cellular senescence is implicated in the pathophysiology of DM.
- Senescence inducers (e.g., oxidative stress) and biomarkers are observed in DM.
Conclusions:
- Cellular senescence is a critical factor in DM.
- Targeting aging pathways presents a promising therapeutic strategy for myotonic dystrophy.
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