A role for estrogen in skin ageing and dermal biomechanics.

Published on May 24, 2021in Mechanisms of Ageing and Development4.304
· DOI :10.1016/J.MAD.2021.111513
Holly N. Wilkinson8
Estimated H-index: 8
(Hull York Medical School),
Matthew J. Hardman34
Estimated H-index: 34
(Hull York Medical School)
The skin is the body's primary defence against the external environment, preventing infection and desiccation. Therefore, alterations to skin homeostasis, for example with skin ageing, increase susceptibility to skin disease and injury. Skin biological ageing is uniquely influenced by a combination of intrinsic and extrinsic (primarily photoageing) factors, with differential effects on skin structure and function. Interestingly, skin architecture rapidly changes following the menopause, as a direct result of reduced circulating 17β-estradiol. The traditional clinical benefit of estrogens are supported by recent experimental data, where 17β-estradiol supplementation prevents age-related decline in the skin's structural and mechanical properties. However, the off-target effects of 17β-estradiol continue to challenge therapeutic application. Here we discuss how ageing alters the physiological and structural properties of the dermal extracellular matrix, and explore how estrogen receptor-targeted therapies may restore the mechanical defects associated with skin ageing.
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