Cited by 375Exercise and Physiological ResponsesMuscle Physiology and DisordersCardiovascular and exercise physiology

Exercise, MAPK, and NF-κB signaling in skeletal muscle

Kramer, Henning F., Goodyear, Laurie J.·2007·Journal of Applied Physiology

Abstract

Mitogen-activated protein kinases (MAPKs) and NF-κB are two major regulators of gene transcription and metabolism in response to oxidative, energetic, and mechanical stress in skeletal muscle. Chronic activation of these signaling pathways has been implicated in the development and perpetuation of various pathologies, such as diabetes and cachexia. However, both MAPK and NF-κB are also stimulated by exercise, which promotes improvements in fuel homeostasis and can prevent skeletal muscle atrophy. This review will first discuss the major MAPK signaling modules in skeletal muscle, their differential activation by exercise, and speculated functions on acute substrate metabolism and exercise-induced gene expression. Focus will then shift to examination of the NF-κB pathway, including its mechanism of activation by cellular stress and its putative mediation of exercise-stimulated adaptations in antioxidant status, tissue regeneration, and metabolism. Although limited, there is additional evidence to suggest cross talk between MAPK and NF-κB signals with exercise. The objectives herein are twofold: 1) to determine how and why exercise activates MAPK and NF-κB; and 2) to resolve their paradoxical activation during diseased and healthy conditions.

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Crossref · 10.1152/japplphysiol.00085.2007

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Authors
Kramer, H. F., & Goodyear, L. J.
Affiliations
Brigham and Women's Hospital (US)
Venue
Journal of Applied Physiology
Published
2007-07
Volume
103
Issue
1
Pages
388-395
ISSN
  • 0161-7567 (ISSN-L)
  • 8750-7587
  • 1522-1601
OpenAlex
W2157306000
Cited by
375
References
102
Citations by year
2026: 15 · 2025: 15 · 2024: 24 · 2023: 23 · 2022: 28 · 2021: 19 · 2020: 17 · 2019: 11 · 2018: 13 · 2017: 19 · 2016: 21 · 2015: 18 · 2014: 19 · 2013: 23 · 2012: 25
FWCI
2.47
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Applied Physiology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Rehabilitation › Exercise and Physiological Responses
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
  • Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
Keywords
physical activity, mitogen-activated protein kinase, NF-κB signaling, skeletal muscle, skeletal muscle atrophy, fuel homeostasis, substrate metabolism, exercise-induced gene expression, antioxidant status, muscle regeneration, diabetes mellitus, cachexia, cellular stress
MeSH terms
Adaptation, Physiological, Animals, Energy Metabolism, Enzyme Activation, Gene Expression Regulation, Humans, Inflammation, Muscle Contraction, Oxidation-Reduction, Stress, Physiological, Signal Transduction, Exercise, NF-kappa B, Oxidative Stress, Muscle, Skeletal, Mitogen-Activated Protein Kinases

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