A newly discovered linkage between proteoglycans and hair biology: decorin acts as an anagen inducer.

Abstract:

:Proteoglycans have been suggested to play pivotal roles in hair biology. Decorin is a prototypical member of the small leucine-rich proteoglycan family, which is involved in numerous biological processes. However, the role of decorin in the hair cycle has not been elucidated. Moreover, the effects of decorin on the activities of many growth factors are complex, and it is hard to predict whether decorin would affect hair growth or the hair cycle positively or negatively. Jing et al. focused on the potential role of decorin in the hair cycle and found that decorin is highly expressed in the epidermis, in hair follicle epithelial cells and in dermal papilla cells in the anagen phase. The expression of decorin was decreased during catagen to telogen, except for the bulge region. Exogenous administration of decorin accelerated anagen and delayed catagen transition as a positive regulator of the hair cycle. Because TGF-β is one of the androgen-induced pathogenic factors in androgenetic alopecia, this study provides clues to understand the pathogenesis and new therapeutic targets of hair loss.

journal_name

Exp Dermatol

journal_title

Experimental dermatology

authors

Inui S,Itami S

doi

10.1111/exd.12471

subject

Has Abstract

pub_date

2014-08-01 00:00:00

pages

547-8

issue

8

eissn

0906-6705

issn

1600-0625

journal_volume

23

pub_type

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