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Lancet Diabetes Endocrinol. 2018 Aug;6(8):647-658. doi: 10.1016/S2213-8587(18)30026-3. Epub 2018 Jul 17.

The physiology of endocrine systems with ageing.

Author information

1
Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Centre, Rotterdam, Netherlands; Department of Internal Medicine, Groene Hart Hospital, Gouda, Netherlands. Electronic address: a.vandenbeld@erasmusmc.nl.
2
Unit for Osteoporosis and Metabolic Bone Diseases, Department of Endocrinology, Ghent University Hospital, Ghent, Belgium.
3
Department of Internal Medicine, Division of Endocrinology, Erasmus Medical Centre, Rotterdam, Netherlands.
4
Laboratory of Clinical Investigation, National Institute on Aging, Baltimore, MD, USA.

Abstract

During ageing, the secretory patterns of the hormones produced by the hypothalamic-pituitary axis change, as does the sensitivity of the axis to negative feedback by end hormones. Additionally, glucose homoeostasis tends towards disequilibrium with increasing age. Along with these endocrine alterations, a loss of bone and muscle mass and strength occurs, coupled with an increase in fat mass. In addition, ageing-induced effects are difficult to disentangle from the influence of other factors that are common in older people, such as chronic diseases, inflammation, and low nutritional status, all of which can also affect endocrine systems. Traditionally, the decrease in hormone activity during the ageing process has been considered to be detrimental because of the related decline in bodily functions. The concept of hormone replacement therapy was suggested as a therapeutic intervention to stop or reverse this decline. However, clearly some of these changes are a beneficial adaptation to ageing, whereas hormonal intervention often causes important adverse effects. In this paper, we discuss the effects of age on the different hypothalamic-pituitary-hormonal organ axes, as well as age-related changes in calcium and bone metabolism and glucose homoeostasis.

PMID:
30017799
PMCID:
PMC6089223
DOI:
10.1016/S2213-8587(18)30026-3
[Indexed for MEDLINE]
Free PMC Article

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