Growth hormone, but not insulin, activates STAT5 proteins in adipocytes in vitro and in vivo.
Zvonic S, Story DJ, Stephens JM, Mynatt RL. Growth hormone, but not insulin, activates STAT5 proteins in adipocytes in vitro and in vivo. Biochem Biophys Res Commun. 2003 Mar 07; 302(2):359-62.