research An Adult With Hair Loss! a Rare Case of Non-Classical 3β Hydroxysteroid Dehydrogenase (3β HSD) Deficiency
A woman's hair loss and other symptoms were due to a rare hormone deficiency treatable with steroids.
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450-480 / 1000+ results research Nonclassic 21-hydroxylase deficiency
Nonclassic 21-hydroxylase deficiency is a common, treatable genetic disorder causing reversible symptoms like acne and hair loss.
research Dehydroepiandrosterone- and glucose-6-phosphate-dehydrogenases in the hair cycle of the rat
research MALE PSEUDOHERMAPHRODITISM DUE TO 17β-HYDROXYSTEROID DEHYDROGENASE DEFICIENCY: STUDIES ON THE NATURAL HISTORY OF THE DEFECT AND EFFECT OF ANDROGENS ON GENDER ROLE
Masculinization in affected individuals occurs gradually after puberty due to hormone changes.
research The enzyme and inhibitors of 4-ene-3-oxosteroid 5α-oxidoreductase
Inhibitors of the enzyme 5 alpha-reductase could potentially treat disorders like prostate cancer and baldness.
research The Antiandrogenic Action of 4–Androsten–3–one–17β– Carboxylic Acid and Its Methyl Ester on Hamster Flank Organ1
The chemicals 17βC and its methyl ester can block the effects of testosterone on hamster skin but not the effects of DHT.
research Synthesis of novel andostane-N-cyclohexyl-17-carboxamides, and their effect on the 5α-reductase isoform 2, the androgen receptor, and androgen-dependent glands
New compounds were made and tested, with compound 6 showing potential for treating prostate-related diseases.
research Ovarian intratumoral 21-hydroxylase deficiency in a postmenopausal hirsute woman
A postmenopausal woman's masculine symptoms improved after surgery for a hormone-producing ovarian tumor.
research Preparation of3H-labelled testosterone metabolites
The conclusion is that tritium-labeled testosterone metabolites can be made and are better converted into dihydrotestosterone in skin cells than in prostate tissue.
research Omega-6 highly unsaturated fatty acids in Leydig cells facilitate male sex hormone production
Omega-6 fats in certain cells boost male hormone production.
research Keratin 17 modulates hair follicle cycling in a TNFα-dependent fashion
Keratin 17 is crucial for normal hair growth by regulating hair cycle transitions with TNFα.
research AN ATTEMPT TO ASSESS THE MAGNITUDE OF ENDOGENOUS ANDROGEN PRODUCTION IN A CASE OF THE ADRENOGENITAL SYNDROME*
A 17-year-old female with adrenogenital syndrome produces very high levels of androgens, which prevent complete feminization despite high estrogen doses.
research Skin l ‐tryptophan‐2,3‐dioxygenase and rat hair growth
A new enzyme in rats may help regulate hair growth.
research Influence of estrogens on the androgen metabolism in different subunits of human hair follicles.
Estrogens can reduce DHT production in hair follicles, but are less effective than finasteride and progesterone.
research Localization, Age- and Site-Dependent Expression, and Regulation of 11β-Hydroxysteroid Dehydrogenase Type 1 in Skin
Increased 11β-HSD1 activity in skin may contribute to aging and could be targeted to reduce aging effects.
research DHT and E2 synthesis-related proteins and receptors expression in male yak skin during different hair follicle stages
Male yak hair growth is influenced by DHT synthesis, which is promoted by 5α-red1 and AR during growth phases, while E2 may inhibit growth through ERα.
research Studies of androgen metabolism and action in cultured hair and skin cells
Androgens don't directly affect hair cell growth or protein production.
research Isotretinoin-unresponsive acne as a sign of a congenital disorder: a case of 21-hydroxylase deficiency
Acne not improved by usual treatments may indicate a genetic disorder.
research PSAT217 Estrogen Deficiency as a Cause of Decreased 1- alpha - hydroxylase Activity
Estrogen deficiency can reduce the enzyme activity needed to activate vitamin D.
research Clinical biochemistry of dihydrotestosterone
Understanding how DHT works is important for diagnosing and treating hormone-related disorders.
research Search for New antineoplastic agents based on structural modifications of steroidal 5α-reductase, 17β-hydroxysteroid dehydrogenase, and 17α-hydroxylase/17,20-lyase inhibitors
Modifying steroidal inhibitors shows promise for developing new cancer treatments.
research Male pseudohermaphroditism due to 17β-hydroxysteroid dehydrogenase deficiency: Studies on the natural history of the defect and effect of androgens on gender role
Individuals with this condition often develop male traits and identities at puberty despite being raised as females.
research L-Ornithine ketoacid-transaminase assay in hair roots of homozygotes and heterozygotes for gyrate atrophy
research Synthesis and 5α-Reductase Inhibitory Activity of C21 Steroids Having 1,4-diene or 4,6-diene 20-ones and 4-Azasteroid 20-Oximes
Three specific 4-azasteroid-2-oximes showed strong enzyme inhibition, but less than finasteride.
research [Proliferation behavior of the anagen hair bulb in androgenetic alopecia before and after local administration of 17 alpha- propylmesterolone–DNA flow cytophotometry studies].
Topical 17 alpha-propylmesterolone increases hair cell growth in androgenetic alopecia.
research Urinary steroids in men with male-pattern alopecia
Men with male-pattern baldness have higher levels of certain testosterone metabolites and may have more active androgen metabolism.
research In vivo Alteration of the Keratin 17 Gene in Hair Follicles by Oligonucleotide-directed Gene Targeting
Injecting specific oligonucleotides can change hair growth and structure by altering a gene.
research High-performance liquid chromatographic determination of the enantiomers of the benzoquinolinone LY 191704, a human type 1 5α-reductase inhibitor, in plasma
Researchers developed a method to measure different forms of a drug that could help treat prostate issues and hair loss, and found how these forms behave in animals.
research Dihydrotestosterone Stimulates 5a-Reductase Activity in Pubic Skin Fibroblasts*
Dihydrotestosterone increases the activity of an enzyme in pubic skin cells that converts testosterone to dihydrotestosterone.
research Measurement and comparison of various androgen levels in women with severe acne, hirsutism, and androgenic alopecia
Women with severe acne, hirsutism, and androgenic alopecia often have higher levels of certain androgens, but the specific pattern can't be predicted just by looking at symptoms.