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The role of sex hormones on bone mineral density, marrow adiposity, and muscle adiposity in middle-aged and older men

Xu, L. and Zhao, Q. and Li, K. and Zhang, Y. and Wang, C. and Hind, K. and Wang, L. and Liu, Y. and Cheng, X. (2022) 'The role of sex hormones on bone mineral density, marrow adiposity, and muscle adiposity in middle-aged and older men.', Frontiers in Endocrinology, 13 . p. 817418.

Abstract

Purpose: The etiology of age-related bone loss is less clear in men. This study is aimed to observe the variations of endogenous sex hormone concentrations with increasing of age in men, and investigate their relations to bone mass, marrow adiposity, and muscle adiposity. Methods: A total of 199 community-dwelling Chinese men (aged 41 to 82 years) were included and measured of serum total estradiol, total testosterone, and follicle-stimulating hormone (FSH) concentrations by enzyme-linked immunosorbent assay (ELISA). Vertebral trabecular volumetric bone mineral density (vBMD) was measured by quantitative computed tomography for all participants, and vertebral marrow fat content and erector muscle fat content were quantified by Chemistry-shift-encoding magnetic resonance imaging in 62 participants. Results: In this population, FSH concentration increased (p < 0.001) gradually with aging. Lower vBMD was independently associated with higher FSH concentration (β = -0.216, p < 0.001), but not with total estradiol or total testosterone. For each standard deviation increase in FSH there was a 50% higher risk of an individual having osteopenia or osteoporosis (vBMD < 120 mg/cm3). Marrow fat content and erector muscle fat content were greater in osteopenic and osteoporotic men, but there were no associations with sex hormones concentrations. Conclusion: In summary, FSH but not total estradiol or total testosterone is related to vertebral trabecular vBMD in middle-aged and older Chinese men. Neither marrow adiposity nor muscle adiposity is associated with sex hormones.

Item Type:Article
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.3389/fendo.2022.817418
Publisher statement:© 2022 Xu, Zhao, Li, Zhang, Wang, Hind, Wang, Liu and Cheng. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
Date accepted:31 January 2022
Date deposited:29 March 2022
Date of first online publication:21 February 2022
Date first made open access:29 March 2022

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