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Purification and Transplantation of Myogenic Progenitor Cell Derived Exosomes to Improve Cardiac Function in Duchenne Muscular Dystrophic Mice
Published on: April 10, 2019
Therapy insight: cardiovascular complications associated with muscular dystrophies
Elizabeth M McNally1, Heather MacLeod
1Department of Medicine, University of Chicago, IL 60637, USA. emcnally@medicine.bsd.uchicago.edu
Insights
Muscular dystrophies often cause heart problems like cardiomyopathy. Emerging skeletal muscle therapies may improve heart function and patient longevity.
Area of Science:
- Cardiovascular Medicine
- Neuromuscular Disorders
- Genetics
Background:
- Muscular dystrophies frequently lead to serious cardiovascular complications, such as cardiomyopathy and arrhythmias.
- These cardiac issues stem from intrinsic cardiomyocyte defects, conduction system dysfunction, and the impact of severe skeletal muscle disease.
- While skeletal muscle degeneration has limited treatment options, cardiovascular complications are treatable.
Purpose of the Study:
- To review the cardiovascular complications associated with muscular dystrophies.
- To discuss current therapeutic strategies for cardiac issues in muscular dystrophy patients.
- To explore the potential impact of novel skeletal muscle therapies on cardiac outcomes.
Main Methods:
- Literature review of studies on muscular dystrophy and cardiovascular complications.
- Analysis of current treatment guidelines for cardiac manifestations.
- Examination of preclinical and clinical data on emerging skeletal muscle therapies.
Main Results:
- Cardiovascular complications are a significant cause of morbidity and mortality in muscular dystrophy.
- Existing therapies can manage cardiac dysfunction, improving patient well-being.
- New skeletal muscle-targeting therapies show promise for improving cardiac function.
Conclusions:
- Cardiovascular complications are integral to the management of muscular dystrophy.
- Therapeutic advancements in skeletal muscle disease are anticipated to positively influence cardiac health.
- Integrated treatment approaches are crucial for enhancing the longevity and quality of life for patients with muscular dystrophy.
Abstract:
The muscular dystrophies are commonly associated with cardiovascular complications, including cardiomyopathy and cardiac arrhythmias. These complications are caused by intrinsic defects in cardiomyocyte and cardiac conduction system function, and by the presence of severe skeletal muscle disease, which also contributes to cardiac dysfunction. Unlike the skeletal muscle degenerative process, for which treatment options are currently limited, therapy is available for the cardiovascular complications that accompany muscular dystrophy. New therapies for skeletal muscle degeneration are moving into clinical trials and, ultimately, into clinical practice. These therapies are expected to also improve the cardiac function, longevity and wellbeing of muscular dystrophy patients.
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