Title : Differential phosphorylation of Janus kinase 2, Stat5A and Stat5B in response to growth hormone in primary rat adipocytes.

Pub. Date : 2001 Oct 25

PMID : 11604224






5 Functional Relationships(s)
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1 In vitro growth hormone (GH) stimulation of Janus kinase 2 (Jak2) tyrosine phosphorylation and activation has been detected in rat adipocytes where GH exerts both chronic diabetogenic and acute insulin-like effects but not in adipocytes where only chronic diabetogenic effects are exerted. Tyrosine gonadotropin releasing hormone receptor Rattus norvegicus
2 In vitro growth hormone (GH) stimulation of Janus kinase 2 (Jak2) tyrosine phosphorylation and activation has been detected in rat adipocytes where GH exerts both chronic diabetogenic and acute insulin-like effects but not in adipocytes where only chronic diabetogenic effects are exerted. Tyrosine gonadotropin releasing hormone receptor Rattus norvegicus
3 In vitro growth hormone (GH) stimulation of Janus kinase 2 (Jak2) tyrosine phosphorylation and activation has been detected in rat adipocytes where GH exerts both chronic diabetogenic and acute insulin-like effects but not in adipocytes where only chronic diabetogenic effects are exerted. Tyrosine gonadotropin releasing hormone receptor Rattus norvegicus
4 The 95 kDa transcription factor Stat5, which is tyrosine phosphorylated in response to GH in both cases, is here identified as the 5A-isoform. Tyrosine gonadotropin releasing hormone receptor Rattus norvegicus
5 However, in adipocytes where GH exerts both diabetogenic and insulin-like effects, and both Jak2 and Stat5A were activated, their phosphorylation kinetics and downregulation of tyrosine phosphorylation were almost identical. Tyrosine gonadotropin releasing hormone receptor Rattus norvegicus