PMID: 7542982Jul 1, 1995Paper

Serum concentrations of insulin-like growth factors (IGFs), IGF binding proteins 1 and 3 and growth hormone binding protein in obese women and the effects of growth hormone administration: a double-blind, placebo-controlled study

European Journal of Endocrinology
J O JørgensenB Richelsen

Abstract

Obesity is associated with suppressed growth hormone (GH) concentrations but relatively little is known about insulin-like growth factors(IGFs) and binding proteins for GH and IGFs (GHBP and IGFBPs) and the modulatory effect of GH administration. In a double-blind, crossover design we studied the impact of 5 weeks of placebo or GH administration (0.03 mg.kg-1 body wt.day-1) in nine obese women (mean +/- SEM: age 30.4 +/- 2.4 years; body mass index 37.0 +/- 2.8 kg/m2) on IGF-I, IGF-II, IGFBP-1 and -3 and GHBP. Serum IGF-I (microgram/l) levels were subnormal and increased significantly following GH (117 +/- 16 (placebo) vs 434 +/- 33 (GH) vs 198 +/- 15 (control (p < 0.01)). By contrast, serum IGF-II (microgram/l) levels were in the normal range and remained unchanged (608 +/- 20 (placebo) vs 647 +/- 40 (GH) (NS)). Serum IGFBP-3 was in the normal range and increased significantly during GH treatment, although relatively less than IGF-I, such that the molar ratio between IGF-I and IGFBP-3 increased with GH treatment, whereas the ratio between IGF-I + IGF-II and IGFBP-3 remained unchanged. Serum IGFBP-1 was low in the placebo situation but became further and almost completely suppressed during GH treatment. During a 2-h hyperinsulin...Continue Reading

Citations

Aug 14, 2003·Growth Hormone & IGF Research : Official Journal of the Growth Hormone Research Society and the International IGF Research Society·Anders Juul
Nov 3, 2015·Best Practice & Research. Clinical Endocrinology & Metabolism·Katharina Schilbach, Martin Bidlingmaier
Dec 20, 2005·Growth Hormone & IGF Research : Official Journal of the Growth Hormone Research Society and the International IGF Research Society·Sanne Fisker
Dec 1, 1996·Endocrinology and Metabolism Clinics of North America·S R Smith
Apr 20, 1999·Growth Hormone & IGF Research : Official Journal of the Growth Hormone Research Society and the International IGF Research Society·H NørrelundJ O Jørgensen
Jul 7, 2011·American Journal of Physiology. Endocrinology and Metabolism·Stanley BlumenthalTerry Unterman
Mar 1, 1997·The Journal of Clinical Endocrinology and Metabolism·C A RoelenM A Blankenstein
Aug 5, 1998·The American Journal of Physiology·A EliakimD M Cooper
Apr 22, 2018·Growth Hormone & IGF Research : Official Journal of the Growth Hormone Research Society and the International IGF Research Society·Laura E DichtelKaren K Miller
Sep 15, 2000·Growth Hormone & IGF Research : Official Journal of the Growth Hormone Research Society and the International IGF Research Society·S FiskerJ S Christiansen

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