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  • Title: Satellite cells in innervated and denervated muscles treated with clenbuterol.
    Author: Maltin CA, Delday MI.
    Journal: Muscle Nerve; 1992 Aug; 15(8):919-25. PubMed ID: 1495507.
    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.
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