Energy Deprivation Alters in a Leptin- and Cortisol-Independent Manner Circulating Levels of Activin A and Follistatin But Not Myostatin in Healthy Males

摘要

Context:Activin A, myostatin, and follistatin have recently emerged as important regulatory molecules of reproduction and the musculoskeletal system. Little is known, however, about their dayight patterns of secretion and their physiological regulation by energy availability.