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    Neuroendocrinology. 2003 Oct;78(4):210-6.

    Can growth hormone (GH) accelerate aging? Evidence from GH-transgenic mice.

    Bartke A.

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    Departments of Physiology and Medicine, Southern Illinois University School of Medicine, Springfield, IL 62794-9628, USA. abartke@siumed.edu

    Abstract

    Overexpression of heterologous growth hormone (GH) in transgenic mice results in numerous phenotypic effects, including a drastically shortened life span. Early onset of pathological changes in the kidneys, glomerulosclerosis and glomerulonephritis, undoubtedly contributes to and perhaps accounts for reduced longevity of these animals. However, GH-transgenic mice exhibit various symptoms of accelerated aging, including increased astrogliosis, shortened reproductive life span, and early onset of age-related changes in cognitive function, hypothalamic neurotransmitter turnover, and plasma corticosterone levels. The hypothesis that supraphysiological levels of GH can accelerate aging derives indirect support from findings in GH-deficient and GH-resistant mutant mice in which aging is delayed and the life-span is increased and from the reciprocal relationship of body size and longevity within species.

    Copyright 2003 S. Karger AG, Basel

    PMID:
    14583653
    [PubMed - indexed for MEDLINE]

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