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Article Publish Status: FREE
Abstract Title:

Fisetin Promotes Hair Growth by Augmenting TERT Expression.

Abstract Source:

Front Cell Dev Biol. 2020 ;8:566617. Epub 2020 Oct 15. PMID: 33178686

Abstract Author(s):

Chisato Kubo, Mizuki Ogawa, Norihisa Uehara, Yoshinori Katakura

Article Affiliation:

Chisato Kubo

Abstract:

Although thinning hair and alopecia are not recognized as severe diseases, hair loss has implications for mental health and quality of life; therefore, a large number of studies have been carried out to develop novel hair growth agents. In the present study, we aimed to examine the potential of telomerase reverse transcriptase (TERT), becauseoverexpression in skin activates resting hair follicle bulge stem cells, which triggers initiation of a new hair follicle growth phase and promotes hair synthesis. To this end, we screened polyphenols that activateexpression in keratinocytes, and identified resveratrol and fisetin as strong-augmenting compounds. These polyphenols also regulated the gene expression of cytokines such asand, which activate theβ-catenin pathway, andβ, which plays an important role in maintaining the niche of hair follicle stem cells, thus are thought to play roles in promoting hair growth. We additionally showed that these polyphenols, especially fisetin, promoted hair growth from the shaved dorsal skin of mice, which suggests that these polyphenols activate the transition from telogen to anagen phase. Histological studies indicated that the dorsal skin of mice treated with these polyphenols contained numerous hair follicles and was thickened compared with that in control mice. Furthermore, on the dorsal skin of mice treated with resveratrol and fisetin, a number of proliferating cells (Ki67cells) were observed around the hair papilla. These results suggest that resveratrol and fisetin induce a shift from telogen to anagen in the hair follicle by inducing proliferation of hair follicle bulge stem cells, thus promoting hair growth.

Study Type : Animal Study
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Additional Keywords : Hair Regeneration : CK(1) : AC(1)

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