Mapping the growth hormone-Stat5b-IGF-I transcriptional circuit

Peter Rotwein

Research output: Contribution to journalArticle

58 Citations (Scopus)

Abstract

Growth hormone (GH) and insulin-like growth factor-I (IGF-I) exert powerful influences on somatic growth, metabolism, and tissue repair, and have been implicated in aging and carcinogenesis. Since the formulation of the somatomedin hypothesis over 50 years ago, GH and IGF-I have been linked intimately to one another. Recent studies have established that GH potently stimulates IGF-I gene transcription, and through this mechanism controls production of IGF-I. A key mediator of the GH-IGF-I biosynthetic pathway is the latent transcription factor Stat5b. This review summarizes the potentially complex mechanistic relationship between GH action, Stat5b, and IGF-I gene activation, and suggests that Stat5b may have a broad role in mediating IGF-I gene regulation in response to diverse physiological inputs.

Original languageEnglish (US)
Pages (from-to)186-192
Number of pages7
JournalTrends in Endocrinology and Metabolism
Volume23
Issue number4
DOIs
StatePublished - Apr 2012

Fingerprint

Insulin-Like Growth Factor I
Growth Hormone
Biosynthetic Pathways
Somatomedins
Transcriptional Activation
Genes
Carcinogenesis
Transcription Factors
Growth

ASJC Scopus subject areas

  • Endocrinology
  • Endocrinology, Diabetes and Metabolism

Cite this

Mapping the growth hormone-Stat5b-IGF-I transcriptional circuit. / Rotwein, Peter.

In: Trends in Endocrinology and Metabolism, Vol. 23, No. 4, 04.2012, p. 186-192.

Research output: Contribution to journalArticle

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