12 citations,
December 2017 in “Scientific reports” The new test can measure very small amounts of testosterone in hair, and grinding the hair up first gives more accurate results.
25 citations,
December 1995 in “Neurology” The research found that chickenpox virus spreads in skin through blood then to skin cells, while shingles virus moves from nerves to hair follicle areas before infecting skin cells.
7 citations,
July 2005 in “Journal of Dermatological Science” The gene URB is more active in human hair growth cells and responds to a hair-related hormone.
416 citations,
September 1997 in “Journal of Investigative Dermatology” People with hair loss have more androgen receptors and enzymes in certain follicles, with men and women showing different patterns.
253 citations,
March 1994 in “Developmental dynamics” Apoptosis is essential for human skin development and forming a functional epidermis.