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Satellite cells in innervated and denervated muscles treated with clenbuterol

Satellite cells in innervated and denervated muscles treated with clenbuterol The sympathomimetic agent, clenbuterol, induces a muscle‐specific hypertrophy in both normal and catabolic muscle. Drug‐induced hypertrophy is not generally associated with an increase in DNA content, thus the role of satellite cells in the response of soleus muscles from weanling rats is questioned. Following simultaneous sciatic section and administration of clenbuterol, responses are similar in innervated and denervated muscles after 4 days. Increased protein accretion in treated muscles is associated with evidence of satellite cell activation, but with little evidence of division. It is speculated that satellite cell production of growth factors may play an important role in the hypertrophic action of clenbuterol, and the clinical implications of the findings are discussed. © 1992 John Wiley & Sons, Inc. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Muscle and Nerve Wiley

Satellite cells in innervated and denervated muscles treated with clenbuterol

Muscle and Nerve , Volume 15 (8) – Aug 1, 1992

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References (52)

Publisher
Wiley
Copyright
Copyright © 1992 John Wiley & Sons, Inc.
ISSN
0148-639X
eISSN
1097-4598
DOI
10.1002/mus.880150809
pmid
1495507
Publisher site
See Article on Publisher Site

Abstract

The sympathomimetic agent, clenbuterol, induces a muscle‐specific hypertrophy in both normal and catabolic muscle. Drug‐induced hypertrophy is not generally associated with an increase in DNA content, thus the role of satellite cells in the response of soleus muscles from weanling rats is questioned. Following simultaneous sciatic section and administration of clenbuterol, responses are similar in innervated and denervated muscles after 4 days. Increased protein accretion in treated muscles is associated with evidence of satellite cell activation, but with little evidence of division. It is speculated that satellite cell production of growth factors may play an important role in the hypertrophic action of clenbuterol, and the clinical implications of the findings are discussed. © 1992 John Wiley & Sons, Inc.

Journal

Muscle and NerveWiley

Published: Aug 1, 1992

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