research Role of the ABCA4 Gene Expression in the Clearance of Toxic Vitamin A Derivatives in Human Hair Follicle Stem Cells and Keratinocytes May 2023 in “International journal of molecular sciences” The ABCA4 gene protects hair follicle stem cells from toxic vitamin A byproducts.
research Double Knockdown of the Androgen Receptor Target Genes DKK1 and SFRP1 Does Not Potentiate the Hair Growth-Promoting Effect of SFRP1 Silencing in Healthy Human Hair Follicles Ex Vivo February 2026 in “International Journal of Molecular Sciences” Silencing SFRP1 alone promotes hair growth, but adding DKK1 does not help.
research Olfactory receptor OR2AT4 regulates human hair growth 82 citations , September 2018 in “Nature Communications” A certain smell receptor in hair follicles can affect hair growth when activated by a synthetic sandalwood scent.
research Keratinocytes of the Upper Epidermis and Isthmus of Hair Follicles Express Hemoglobin mRNA and Protein November 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Skin cells and certain hair follicle areas produce hemoglobin, which may help protect against oxidative stress like UV damage.
research Epidermal Stem Cells Are Defined by Global Histone Modifications that Are Altered by Myc-Induced Differentiation 98 citations , August 2007 in “PLoS ONE” Myc changes chromatin in stem cells, causing them to leave their niche.