Cited by 331Exercise and Physiological ResponsesMuscle Physiology and DisordersAdipokines, Inflammation, and Metabolic Diseases

Muscle as a paracrine and endocrine organ

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Giudice, Jimena, Taylor, Joan M·2017·Current Opinion in Pharmacology

Abstract

Skeletal muscle cells are highly abundant and metabolically active and are known to 'communicate' their energy demands to other organs through active secretion. Muscle-derived secretory proteins include a variety of cytokines and peptides collectively referred to as 'myokines' that exert autocrine, paracrine or endocrine effects. Analyses of the skeletal muscle secretome revealed that numerous myokines are secreted in response to contraction or strength training, and that these factors not only regulate energy demand but also contribute to the broad beneficial effects of exercise on cardiovascular, metabolic, and mental health. Herein we review recent studies on the myokines that regulate muscle function and those that mediate cross talk between skeletal muscle and other organs including adipose tissue, liver, pancreas, the cardiovascular system, brain, bones, and skin.

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Crossref · 10.1016/j.coph.2017.05.005

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  • Physical exercise remodels whole‐body energy metabolism.

    “Indeed, physical exercise is not only beneficial because of the immediate increase in energy expenditure; it also remodels whole‐body energy metabolism.”
  • The ensemble of muscle‐derived peptides and proteins, currently referred to as myokines, is at least in part responsible for exercise whole‐body health benefits.

    “The ensemble of muscle‐derived peptides and proteins, currently referred to as myokines, is at least in part, responsible for exercise whole‐body health benefits.”
  • IL‐6 mediates muscle glucose uptake, increased insulin sensitivity, and increased fatty acid oxidation.

    “Exercise‐induced IL‐6 production was initially believed to be linked to muscle damage, but has now been proven to directly depend on contraction and to mediate muscle glucose uptake, increased insulin sensitivity, and increased fatty acid oxidation.”
  • Exercise-induced IL‐6 production directly depends on contraction.

    “Exercise‐induced IL‐6 production was initially believed to be linked to muscle damage, but has now been proven to directly depend on contraction and to mediate muscle glucose uptake, increased insulin sensitivity, and increased fatty acid oxidation.”
  • IL‐6 triggers insulin production in pancreas, hepatic glucose production, and adipose tissue lipolysis, thus ensuring the availability of energy substrates for exercising muscle.

    “IL‐6 also triggers insulin production in pancreas, hepatic glucose production, and adipose tissue lipolysis, thus ensuring the availability of energy substrates for exercising muscle 11, 17.”

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Authors
Giudice, J., & Taylor, J. M.
Affiliations
University of North Carolina at Chapel Hill (US)
Corresponding author
  • Giudice, Jimena
  • Taylor, Joan M
Venue
Current Opinion in Pharmacology
Publisher
Elsevier BV
Published
2017-06
Volume
34
Pages
49-55
ISSN
1471-4892 (ISSN-L)
OpenAlex
W2623238236
Cited by
331
References
57
Citations by year
2026: 17 · 2025: 35 · 2024: 40 · 2023: 45 · 2022: 44 · 2021: 43 · 2020: 42 · 2019: 38 · 2018: 23 · 2017: 4
FWCI
3.98
Type
journal article
Language
en
Open access
Locations
  • Current Opinion in Pharmacology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • NIH/National Heart, Lung, and Blood Institute (HL-081844)
  • American Heart Association (0355776U)
  • The University of North Carolina (P30DK056350)
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 › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
Keywords
myokines, skeletal muscle, paracrine signaling, hormone signaling, physical activity, muscle contraction, resistance training, energy metabolism, muscle-bone crosstalk, cardiovascular health, metabolic health, mental health
MeSH terms
Animals, Brain, Cardiovascular System, Humans, Osteogenesis, Skin, Muscle, Skeletal, Paracrine Communication, Adipogenesis

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