Cited by 410Muscle Physiology and DisordersPharmacological Effects and AssaysAdipose Tissue and Metabolism

Role of β-Adrenoceptor Signaling in Skeletal Muscle: Implications for Muscle Wasting and Disease

Lynch, Gordon S., Ryall, James G.·2008·Physiological Reviews

Abstract

The importance of β-adrenergic signaling in the heart has been well documented, but it is only more recently that we have begun to understand the importance of this signaling pathway in skeletal muscle. There is considerable evidence regarding the stimulation of the β-adrenergic system with β-adrenoceptor agonists (β-agonists). Although traditionally used for treating bronchospasm, it became apparent that some β-agonists could increase skeletal muscle mass and decrease body fat. These so-called “repartitioning effects” proved desirable for the livestock industry trying to improve feed efficiency and meat quality. Studying β-agonist effects on skeletal muscle has identified potential therapeutic applications for muscle wasting conditions such as sarcopenia, cancer cachexia, denervation, and neuromuscular diseases, aiming to attenuate (or potentially reverse) the muscle wasting and associated muscle weakness, and to enhance muscle growth and repair after injury. Some undesirable cardiovascular side effects of β-agonists have so far limited their therapeutic potential. This review describes the physiological significance of β-adrenergic signaling in skeletal muscle and examines the effects of β-agonists on skeletal muscle structure and function. In addition, we examine the proposed beneficial effects of β-agonist administration on skeletal muscle along with some of the less desirable cardiovascular effects. Understanding β-adrenergic signaling in skeletal muscle is important for identifying new therapeutic targets and identifying novel approaches to attenuate the muscle wasting concomitant with many diseases.

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Crossref · 10.1152/physrev.00028.2007

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Authors
Lynch, G. S., & Ryall, J. G.
Affiliations
The University of Melbourne (AU)
Venue
Physiological Reviews
Published
2008-04
Volume
88
Issue
2
Pages
729-767
ISSN
  • 0031-9333 (ISSN-L)
  • 1522-1210
OpenAlex
W2034769638
Cited by
410
References
492
Citations by year
2026: 9 · 2025: 18 · 2024: 28 · 2023: 24 · 2022: 22 · 2021: 24 · 2020: 20 · 2019: 34 · 2018: 26 · 2017: 19 · 2016: 18 · 2015: 26 · 2014: 29 · 2013: 23 · 2012: 18
FWCI
1.80
Type
journal article
Language
en
Open access
closed
Locations
  • Physiological Reviews (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Pharmacological Effects and Assays
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
Keywords
beta-adrenergic signaling, skeletal muscle, beta-adrenergic agonists, muscle atrophy, sarcopenia, cancer cachexia, denervation, neuromuscular disorders, muscle growth, feed efficiency, cardiovascular side effects
MeSH terms
Adrenergic beta-Agonists, Animals, Humans, Receptors, Adrenergic, beta, Sympathetic Nervous System, Signal Transduction, Muscle, Skeletal, Wasting Syndrome, Substance-Related Disorders

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