Cited by 131Muscle Physiology and DisordersExercise and Physiological ResponsesSpaceflight effects on biology

Ros‐mediated activation of NF‐κB and Foxo during muscle disuse

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Dodd, Stephen L., Gagnon, Brittany J., Senf, Sarah M., Hain, Brian A., Judge, Andrew R.·2010·Muscle & Nerve

Abstract

We examined reactive oxygen species as upstream activators of nuclear factor kappaB; (NF-kappaB) and forkhead box O (Foxo) in skeletal muscle during disuse atrophy. Catalase, an enzyme that degrades H2O2, was overexpressed in soleus muscles via plasmid injection prior to 7 days of hindlimb immobilization. The increased catalase activity abolished immobilization-induced transactivation of both NF-kappaB and Foxo and attenuated the loss of muscle mass. Thus, H2O2 may be an important initiator of these signaling pathways that lead to muscle atrophy.

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  • Alterations in mPTP function contribute to the aging-related loss of muscle mass and function.

    “Alterations in mPTP function are undoubtedly contributing to the aging-related loss of muscle mass and function, since mPTP opening can trigger several atrophy-regulating pathways.”

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Authors
Dodd, S. L., Gagnon, B. J., Senf, S. M., Hain, B. A., & Judge, A. R.
Affiliations
University of Florida (US)
Corresponding author
Dodd, Stephen L.
Venue
Muscle & Nerve
Publisher
Wiley
Published
2009-10-07
Volume
41
Issue
1
Pages
110-113
ISSN
  • 0148-639X (ISSN-L)
  • 1097-4598
OpenAlex
W2031928067
Cited by
131
References
27
Citations by year
2026: 6 · 2025: 5 · 2024: 12 · 2023: 4 · 2022: 6 · 2021: 15 · 2020: 10 · 2019: 6 · 2018: 8 · 2017: 5 · 2016: 9 · 2015: 8 · 2014: 6 · 2013: 12 · 2012: 6
FWCI
2.55
Type
journal article
Language
en
Open access
Locations
  • Muscle & Nerve (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute of Arthritis and Musculoskeletal and Skin Diseases (R03AR056418)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
  • Health Sciences › Medicine › Rehabilitation › Exercise and Physiological Responses
  • Health Sciences › Medicine › Physiology › Spaceflight effects on biology
Keywords
NF-κB, FOXO, skeletal muscle atrophy, disuse atrophy, reactive oxygen species, hydrogen peroxide, catalase, hindlimb immobilization, soleus muscle, muscle mass loss, transcriptional activation
MeSH terms
Animals, Cell Line, Disease Models, Animal, Enzyme Activation, Follow-Up Studies, Male, Blotting, Western, Signal Transduction, NF-kappa B, Rats, Sprague-Dawley, Reactive Oxygen Species, Muscle, Skeletal, Muscular Disorders, Atrophic, Rats, Forkhead Transcription Factors

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