GH/IGF-I regulation in obesity - Mechanisms and practical consequences in children and adults

Ilonka Kreitschmann-Andermahr, Pablo Suarez, Rachel Jennings, Nina Evers, Georg Brabant

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Growth hormone (GH) secretion in children and adults is profoundly, but reversibly, suppressed in obesity. Since GH deficiency leads to increased fat mass, differentiation of both conditions remains challenging. Here we review the known and still speculative mechanisms underlying the inhibitory effects of obesity on GH secretion including peripheral factors like IGF-I and insulin, as well as central hypothalamic/pituitary modulators. We further discuss the basis of current testing for GH deficiency in obesity and the validity of the various provocative tests in overweight subjects. Copyright © 2010 S. Karger AG, Basel.
    Original languageEnglish
    Pages (from-to)153-160
    Number of pages7
    JournalHormone research in paediatrics
    Volume73
    Issue number3
    DOIs
    Publication statusPublished - Mar 2010

    Keywords

    • Growth hormone
    • Growth hormone deficiency
    • Obesity

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