Cutaneous Hydroxysteroid Dehydrogenases and Rat Hair Cycle
January 1975
in “
Archives of Dermatological Research
”
Studysummary Certain enzymes react strongly with some hormones in rat skin during hair growth, mainly in sebaceous glands and hair sheaths.
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The study investigated the histochemical activity of various hydroxysteroid dehydrogenases during a provoked hair cycle in rat skin. High reaction intensity was observed with dehydroepiandrosterone, estradiol, androsterone, and pregnenolone, while no reaction was noted with 11-beta-hydroxyprogesterone, testosterone, dihydrotestosterone, 17-alpha-hydroxypregnenolone, and 17-alpha-hydroxyprogesterone. The reactivity varied with the hair cycle, and the reactive sites were identified as the acini of sebaceous glands and the hair sheaths.