Cited by 194Muscle Physiology and DisordersNeurogenetic and Muscular Disorders ResearchVirus-based gene therapy research

Inhibition of myostatin with emphasis on follistatin as a therapy for muscle disease

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Rodino‐Klapac, Louise R., Haidet, Amanda M., Kota, Janaiah, Handy, Chalonda, Kaspar, Brian K., Mendell, Jerry R.·2009·Muscle & Nerve

Abstract

In most cases, pharmacologic strategies to treat genetic muscle disorders and certain acquired disorders, such as sporadic inclusion body myositis, have produced modest clinical benefits. In these conditions, inhibition of the myostatin pathway represents an alternative strategy to improve functional outcomes. Preclinical data that support this approach clearly demonstrate the potential for blocking the myostatin pathway. Follistatin has emerged as a powerful antagonist of myostatin that can increase muscle mass and strength. Follistatin was first isolated from the ovary and is known to suppress follicle-stimulating hormone. This raises concerns for potential adverse effects on the hypothalamic-pituitary-gonadal axis and possible reproductive capabilities. In this review we demonstrate a strategy to bypass off-target effects using an alternatively spliced cDNA of follistatin (FS344) delivered by adeno-associated virus (AAV) to muscle. The transgene product is a peptide of 315 amino acids that is secreted from the muscle and circulates in the serum, thus avoiding cell-surface binding sites. Using this approach our translational studies show increased muscle size and strength in species ranging from mice to monkeys. Adverse effects are avoided, and no organ system pathology or change in reproductive capabilities has been seen. These findings provide the impetus to move toward gene therapy clinical trials with delivery of AAV-FS344 to increase size and function of muscle in patients with neuromuscular disease.

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  • FST acts as a multi-faceted hepatokine involved in reproduction, muscle growth, cancer development, and metabolism.

    “FST acts as a multi-faceted hepatokine that is involved in reproduction [181], muscle growth [182], cancer development [183], and metabolism [184].”

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Authors
Rodino‐Klapac, L. R., Haidet, A. M., Kota, J., Handy, C., Kaspar, B. K., & Mendell, J. R.
Affiliations
Nationwide Children's Hospital (US)
Corresponding author
Mendell, Jerry R.
Venue
Muscle & Nerve
Publisher
Wiley
Published
2009-02-10
Volume
39
Issue
3
Pages
283-296
ISSN
  • 0148-639X (ISSN-L)
  • 1097-4598
OpenAlex
W2108645449
Cited by
194
References
83
Citations by year
2026: 6 · 2025: 5 · 2024: 4 · 2023: 8 · 2022: 8 · 2021: 9 · 2020: 13 · 2019: 12 · 2018: 14 · 2017: 7 · 2016: 14 · 2015: 10 · 2014: 10 · 2013: 10 · 2012: 21
FWCI
1.63
Type
journal article
Language
en
Open access
Locations
  • Muscle & Nerve (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute of Neurological Disorders and Stroke (F31NS058224)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
  • Health Sciences › Medicine › Genetics › Neurogenetic and Muscular Disorders Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Virus-based gene therapy research
Keywords
myostatin inhibition, follistatin, adeno-associated virus gene therapy, myopathy, neuromuscular disorders, sporadic inclusion body myositis, muscle mass and strength, hypothalamic-pituitary-gonadal axis, reproductive safety, alternative splicing
MeSH terms
Dependovirus, Animals, Humans, Mice, Mutant Strains, Muscles, Muscular Diseases, Genetic Therapy, Alternative Splicing, DNA, Complementary, Follistatin, Mice, Myostatin

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