Insulin‐Like Growth Factor I Regulation and Its Actions in Skeletal Muscle
Authors:
- 1 January 2019
- journal article
- Published by Wiley in Comprehensive Physiology
- Vol. 9 (1) , 413-438
Abstract
The insulin‐like growth factor (IGF) pathway is essential for promoting growth and survival of virtually all tissues. It bears high homology to its related protein insulin, and as such, there is an interplay between these molecules with regard to their anabolic and metabolic functions. Skeletal muscle produces a significant proportion of IGF‐1, and is highly responsive to its actions, including increased muscle mass and improved regenerative capacity. In this overview, the regulation of IGF‐1 production, stability, and activity in skeletal muscle will be described. Second, the physiological significance of the forms of IGF‐1 produced will be discussed. Last, the interaction of IGF‐1 with other pathways will be addressed. © 2019 American Physiological Society. Compr Physiol 9:413‐438, 2019.Keywords
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