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PGC-1 Coactivators and Skeletal Muscle Adaptations in Health and Disease

Overview
Publisher Elsevier
Specialties Biology
Genetics
Date 2008 Sep 11
PMID 18782618
Citations 127
Authors
Affiliations
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Abstract

Skeletal muscle adapts to physiological demands by altering a number of programs of gene expression, including those driving mitochondrial biogenesis, angiogenesis, and fiber composition. Recently, the PGC-1 transcriptional coactivators have emerged as key players in the regulation of these adaptations. Many signaling cascades important in muscle physiology impinge directly on PGC-1 expression or activity. In turn, the PGC-1s powerfully activate many of the programs of muscle adaptation. These findings have implications for our understanding of muscle responses to physiological conditions like exercise, as well as in pathological conditions such as cachexia, dystrophy, and peripheral vascular disease.

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