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Vol. 45, No. 1-2, 1996
Issue release date: 1996
Horm Res 1996;45:86–93
(DOI:10.1159/000184765)
Session 3: GH and Gonadal Hormones

Role of Growth Hormone and Sex Steroids in Achieving and Maintaining Normal Bone Mass

Holmes S.J. · Shalet S.M.
Department of Endocrinology, Christie Hospital NHS Trust, Manchester, UK

Abstract

It is now established that adults with growth hormone (GH) deficiency, of childhood or adult onset, have reduced bone mass. GH deficiency is believed to interfere with acquisition of bone mass, although an alternative mechanism is required to explain the reduction in bone mass present in adults who acquire GH deficiency after peak bone mass has been achieved. GH replacement increases bone turnover and may increase bone mass in the longer term, although short-term studies show a decrease in bone mass which can be explained by an increase in bone resorption before new bone formation occurs. Abnormalities of GH secretion have also been implicated in the development of osteoporosis, but the effect of GH treatment on bone mass in such patients is disappointing. Sex steroids have an important role to play in the acquisition of bone mass, and reduced sex steroid levels during adolescence have a deleterious effect on bone mass. The importance of sex steroids in the maintenance of bone mass is illustrated by the development of osteopenia in men and women with hypogonadism, and by the preservation of bone mass by restoration of normal endogenous sex steroid levels, or by treatment with exogenous sex steroid. Sex steroids also influence circulating levels of GH and insulin-like growth factor-1, and the interaction between these hormones is likely to be important in the acquisition and maintenance of normal bone mass.

 goto top of outline Author Contacts

Prof. S.M. Shalet, Department of Endocrinology, Christie Hospital NHS Trust, Wilmslow Road, Manchester M20 4BX (UK.)


 goto top of outline Article Information

Number of Print Pages : 8


 goto top of outline Publication Details

Hormone Research (From Developmental Endocrinology to Clinical Research)

Vol. 45, No. 1-2, Year 1996 (Cover Date: 1996)

Journal Editor: Czernichow P. (Paris)
ISSN: 0301-0163 (Print), eISSN: 1423-0046 (Online)

For additional information: http://www.karger.com/HRE


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