PGC-1α: a key regulator of energy metabolism

American Journal of Physiology - Advances in Physiology Education - Tập 30 Số 4 - Trang 145-151 - 2006
Huiyun Liang1,2, Walter F. Ward1,3
1Barshop Institute for Longevity and Aging Studies, Audie Murphy Veterans Administration Medical Center and University of Texas Health Science Center, San Antonio, Texas
2Department of Cellular and Structural Biology, Audie Murphy Veterans Administration Medical Center and University of Texas Health Science Center, San Antonio, Texas
3Department of Physiology, Audie Murphy Veterans Administration Medical Center and University of Texas Health Science Center, San Antonio, Texas

Tóm tắt

Peroxisome proliferator-activated receptor-γ coactivator (PGC)-1α is a member of a family of transcription coactivators that plays a central role in the regulation of cellular energy metabolism. It is strongly induced by cold exposure, linking this environmental stimulus to adaptive thermogenesis. PGC-1α stimulates mitochondrial biogenesis and promotes the remodeling of muscle tissue to a fiber-type composition that is metabolically more oxidative and less glycolytic in nature, and it participates in the regulation of both carbohydrate and lipid metabolism. It is highly likely that PGC-1α is intimately involved in disorders such as obesity, diabetes, and cardiomyopathy. In particular, its regulatory function in lipid metabolism makes it an inviting target for pharmacological intervention in the treatment of obesity and Type 2 diabetes.

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American Journal of Physiology - Advances in Physiology Education

Tập 30 Số 4

145-151

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