Protopanaxatirol type ginsenoside Re promotes cyclic growth of hair follicles via inhibiting transforming growth factor beta signaling cascades

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Ginsenosides, the major bio-active ingredients included in Panax ginseng, have been known for the hair growth activity and used to treat patients who suffer from hair loss; however, the detailed mechanisms of this action are still largely unknown. This study was conducted to investigate the molecular and cellular mechanisms responsible for hair growth promoting effect of ginsenoside Re (GRe) in vitro and in vivo. Different doses of minoxidil and GRe were administered topically to the back regions of nude mice for up to 45 days, and hair shaft length and hair cycles were determined for hair promoting activities. Topical treatment of GRe significantly increased the hair shaft length and hair existent time, which was comparable to the action of minoxidil. We also demonstrated that GRe stimulated hair shaft elongation in the ex vivo cultures of vibrissa hair follicles isolated from C57BL/6 mouse. Systemic transcriptome analysis by next generation sequencing demonstrated that TGF-beta-pathway related genes were selectively down-regulated by treatment of GRe in vivo, and the same treatment suppressed TGF-beta-induced phosphorylation of ERIC in HeLa cells. The results clearly indicated that GRe is the effective constituent in the ginseng on hair promotion via selective inhibition of the hair growth phase transition related signaling pathways, TGF-beta signaling cascades.
Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
Issue Date
2016-02
Language
English
Article Type
Article
Keywords

C57BL/6 MICE; MOUSE SKIN; STEM-CELL; WNT; REGENERATION; DIFFERENTIATION; EXPRESSION; CATAGEN

Citation

BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS, v.470, no.4, pp.924 - 929

ISSN
0006-291X
DOI
10.1016/j.bbrc.2016.01.148
URI
http://hdl.handle.net/10203/207633
Appears in Collection
BS-Journal Papers(저널논문)BiS-Journal Papers(저널논문)
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