Abstract
Androgenetic alopecia (AGA) is a dermatological disorder of scalp hair loss characterized by a progressive miniaturization of hair follicles with shortened anagen phase leading to a decreased number of hairs on the scalp. It is a complex polygenic trait prevailing around two-thirds of the male population. Elevated expressions of 5α-dihydrotestosterone and androgen receptor are the causal factors for AGA. This review describes recent studies on the role of androgens and androgen receptor (AR) transactivation activity in modulating the Wnt/β-catenin signaling in the dermal papilla cells of the balding scalp in androgenetic alopecia. Here, we analyse the androgen-induced dermal papilla secreted factors on stimulating catagen entry in hair follicles and the molecular cross-talk between AR and Wnt/β-catenin signaling with a brief mention on alternative treatment strategy targeting Wnt/β-catenin signaling for promoting hair growth.
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The authors acknowledge Vellore Institute of Technology, Vellore, India for providing the computational facilities. Mr. A. Premanand is a Ph.D. Scholar at Vellore Institute of Technology and is supported by Junior Research Fellowship provided by the Council of Scientific and Industrial Research, New Delhi, India (Award No: 09/844(0045)/2017-EMR-1).
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Premanand, A., Reena Rajkumari, B. Androgen modulation of Wnt/β-catenin signaling in androgenetic alopecia. Arch Dermatol Res 310, 391–399 (2018). https://doi.org/10.1007/s00403-018-1826-8
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DOI: https://doi.org/10.1007/s00403-018-1826-8