Stauntonia Hexaphylla Extract Ameliorates Androgenic Alopecia by Inhibiting Androgen Signaling in Testosterone-Induced Alopecia Mice

    Geum-Lan Hong, Hui Ju Lee, Yae-Ji Kim, Kyung-Hyun Kim, Ju-Young Jung
    TLDR Stauntonia hexaphylla extract can help treat hair loss by blocking certain hormones.
    The study found that Stauntonia hexaphylla extract can ameliorate androgenic alopecia (AGA) by inhibiting 5α-reductase and androgen receptor (AR) signaling, which are crucial in AGA development. In a mouse model and human follicle dermal papilla cells, the extract reduced dihydrotestosterone (DHT) levels, decreased apoptosis, and promoted cell proliferation. Histological analysis showed increased hair growth, dermal thickness, and follicle number, along with prolonged anagen phase. The extract also downregulated TGF-β1 and DKK-1 expression while upregulating cyclin D, leading to increased keratinocyte proliferation and reduced apoptosis, suggesting its potential as a therapeutic agent for AGA.
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