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September 2020 in “Journal of Dermatological Science” In this study, researchers found that the gene LRRC15 was overexpressed in dermal papilla cells from balding areas compared to non-balding areas in patients with androgenetic alopecia.
August 2018 in “Journal of The American Academy of Dermatology” Aging significantly affects the hair and scalp of nonbalding Caucasian women, with changes that differ from male pattern baldness.
July 2022 in “Journal of Investigative Dermatology” This study found that decreased TRPS1 expression in balding dermal papilla cells may impair their signaling ability, contributing to hair follicle miniaturization in androgenic alopecia.
March 2024 in “Facial plastic surgery clinics of North America” This chapter reviews treatment options for androgenetic alopecia, noting FDA-approved finasteride and minoxidil for stabilizing or improving scalp coverage, positive off-label results with platelet-rich plasma, and effectiveness of hair transplantation using healthy follicular units.
This study found that increased expression of type 2 TGF-β and type II receptor was observed in the bald vertex area of hair follicles from androgenetic alopecia patients, suggesting a role in catagen induction.