research Biology of Hair Growth
Testosterone and dihydrotestosterone affect hair growth, and new techniques like the folliculogram help study it, but fully understanding hair growth is still complex.
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research Rooster Feathering, Androgenic Alopecia, And Hormone-Dependent Tumor Growth: What Is In Common?
Sex hormones affect hair and feather growth and may help manage alopecia and hormone-dependent cancers.
research Ethnopharmacological Review of Medicinal Plants for the Treatment of Alopecia
Various medicinal plants like Polygonum multiflorum, Red ginseng extract, and Zizyphus jujuba can potentially treat hair loss, offering benefits like low cost and multiple ways of working. Other effective natural substances include Pygeum africanum, Seneroa, Urtica dioica, and more.
research Testosterone: The Male Sex Hormone
More research is needed to understand how testosterone is maintained in adult males.
research Exploring the Efficacy of Testosterone Undecanoate in Male Children with 5α-Reductase Deficiency
Testosterone undecanoate safely and effectively increased penis size in male children with 5-alpha-reductase deficiency.
research Disorders in Male Sexual Differentiation Due to 5α-Reductase-2 Deficiency
5α-reductase-2 deficiency causes ambiguous genitalia at birth and affects male sexual development, but individuals often develop male characteristics at puberty.
research 5-Alpha Reductase Deficiency
5-alpha reductase deficiency leads to male sexual development issues and treatments like finasteride help with prostate enlargement and hair loss.
research 46, XY 5-Alpha Reductase Deficiency in a 36-Year-Old Phenotypic Female Patient
A 36-year-old person with a female appearance but male chromosomes was diagnosed with a rare enzyme deficiency affecting sexual development.
research 5-Alpha-Reductase Deficiency in a Saudi Girl
A Saudi individual initially identified as a girl had a genetic disorder affecting gender development.
research 5-Alpha-Reductase Type 2 Deficiency: Is There a Genotype-Phenotype Correlation? A Review
No consistent link between genotype and phenotype in 5-α-Reductase type 2 deficiency.
research 5α-Metabolism in Finasteride-Treated Subjects and Male Pseudohermaphrodites with Inherited 5α-Reductase Deficiency
Finasteride lowers DHT levels and raises testosterone in a dose-dependent way.
research 46,XY Disorders of Sex Development Due to Type 2 5-Alpha Reductase Deficiency in Three Siblings: A Case Report from a Low-Resource Setting
Three siblings with a rare genetic condition had abnormal sexual development and chose different gender identities, needing surgery and therapy.
research C19 and C21 5β/5α Metabolite Ratios in Subjects Treated with the 5α-Reductase Inhibitor Finasteride: Comparison of Male Pseudohermaphrodites with Inherited 5α-Reductase Deficiency
Finasteride may treat baldness but less effective for those with 5α-reductase deficiency.
research The 5 Alpha-Reductase Isozyme Family: A Review of Basic Biology and Their Role in Human Diseases
The document concludes that the 5 alpha-reductase enzymes are important in steroid metabolism and related to various human diseases, with inhibitors used to treat conditions like male pattern baldness and prostate issues.
research Critical Developmental Periods for Effects on Male Rat Genitalia Induced by Finasteride, a 5α-Reductase Inhibitor
Finasteride affects male rat genitalia development, causing abnormalities during specific pregnancy days.
research Clinical Biochemistry of Dihydrotestosterone
Understanding how DHT works is important for diagnosing and treating hormone-related disorders.
research 46, XY Disorder of Sexual Development with Ambiguous Female External Genitalia: A Case Report
A 13-year-old with 46 XY DSD had ambiguous genitalia due to incomplete masculinization.
research An Unusual Cause of Primary Amenorrhea
The 18-year-old girl likely has a condition called müllerian agenesis, which caused her to not have a uterus and experience no menstrual periods.
research The Hair Follicle: A Paradoxical Androgen Target Organ
Androgens can both promote and prevent hair growth due to differences in gene expression in hair follicles.
research Disorders Linked to Insufficient Androgen Action in Male Children
Male children's genital development issues can be caused by genetic mutations or environmental factors affecting hormone action.
research Markers of Peripheral Androgen Action In Vivo and In Vitro
Dihydrotestosterone (DHT) is crucial for conditions like male-pattern baldness and acne, and measuring a byproduct, androstanediol glucuronide, is a better way to assess DHT's effects than DHT blood levels.
research Androgens and Alopecia
Male hormones, particularly DHT, are linked to male pattern hair loss, and treatments like finasteride can help, but they don't work for postmenopausal women's hair loss, which may have different causes.
research The Effect of Finasteride, a 5 Alpha-Reductase Inhibitor, on Scalp Skin Testosterone and Dihydrotestosterone Concentrations in Patients with Male Pattern Baldness
Finasteride reduces scalp DHT levels, potentially treating male pattern baldness.
research Hair Growth Effects of Oral Administration of Finasteride, a Steroid 5 Alpha-Reductase Inhibitor, Alone and in Combination with Topical Minoxidil in the Balding Stumptail Macaque
Finasteride and minoxidil together promote hair growth better than either alone.
research Clinical and Hormonal Effects of the 5 Alpha-Reductase Inhibitor Finasteride in Idiopathic Hirsutism
Finasteride reduces hair growth and is safe for women with excessive hair.
research Effect of Finasteride, a 5 Alpha-Reductase Inhibitor, on Serum Gonadotropins in Normal Men
Finasteride doesn't affect hormone levels in normal men.
research Novel Lead Generation Through Hypothetical Pharmacophore Three-Dimensional Database Searching: Discovery of Isoflavonoids as Nonsteroidal Inhibitors of Rat 5α-Reductase
Researchers found new potential but less potent rat enzyme inhibitors using a 3D model.
research Effects of Finasteride, a 5 Alpha-Reductase Inhibitor, on Circulating Androgens and Gonadotropin Secretion in Hirsute Women
Finasteride reduces dihydrotestosterone, increases testosterone, and may treat hirsutism in women.
research Inhibition of Steroid 5 Alpha-Reductase with Finasteride: Sleep-Related Erections, Potency, and Libido in Healthy Men
Finasteride doesn't affect erections much, but may decrease libido in men.
research The Impact of 5α-Reductase Inhibitor Use for Male Pattern Hair Loss on Men's Health
Hair loss drugs may cause sexual issues and infertility in men.