August 1994 in “Journal of dermatological science” Mouse hair cells respond to male hormones by growing less, and this can be stopped by certain blockers.
35 citations
,
May 1986 in “Clinics in endocrinology and metabolism” The exact cause of increased 5α-reductase activity leading to hirsutism in women is still unknown.
70 citations
,
July 2005 in “Journal of Ethnopharmacology” Ganoderma lucidum, a type of mushroom, may help treat enlarged prostate by blocking testosterone conversion.
64 citations
,
March 2006 in “Food Chemistry” The triterpenoids from Ganoderma lucidum can block testosterone effects and may help treat enlarged prostate.
18 citations
,
March 2020 in “Frontiers in Neuroendocrinology” The enzymes 5α-reductase and 3α/β-hydroxysteroid oxidoreductase help create brain-active substances from progesterone and testosterone, which could be used for treatment, but more research is needed to ensure their safety and effectiveness.
7 citations
,
July 2018 in “Biological & Pharmaceutical Bulletin” Phyllanthus urinaria extract may help treat hair loss by blocking a hair-related enzyme.
August 2025 in “ACS Omega” New compounds show promise as nonsteroidal treatments for hair loss.
21 citations
,
August 1994 in “Clinical endocrinology” 5α-Reductase inhibitors can help treat hair loss, acne, and prostate issues by reducing DHT levels.
April 2026 in “Communications Biology” The development of breeding tubercles in male zebrafish relies on a specific enzyme that processes hormones.
July 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The structure of SRD5A reveals how it reduces steroids, aiding drug design for related health conditions.
37 citations
,
September 2018 in “Psychoneuroendocrinology” Finasteride treatment in male rats causes long-lasting effects on depression-like behavior, brain cell growth, inflammation, and gut bacteria composition.
January 2016 in “Archivio italiano di urologia, andrologia” The document concludes that the risk of sexual side effects from 5-alpha-reductase inhibitors is low and often temporary, but more research is needed on potential permanent effects.
16 citations
,
October 2017 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Dutasteride may protect the brain in early Parkinson's disease.
March 2026 in “The Aging Male” PDE5 inhibitors cause earlier adverse events in BPH treatment, requiring careful monitoring.
September 2023 in “Biology of reproduction” New testosterone analogs show promise for male contraception with better activity and potentially fewer side effects.
1 citations
,
April 2022 in “Applied sciences” Bitter melon extract may help prevent hair loss and can be used in cosmetic products.
November 2024 in “Journal of Family Medicine and Primary Care” 5 alpha reductase inhibitors can cause sexual, cognitive, and muscle side effects, and may slightly increase aggressive cancer risk.
26 citations
,
July 2012 in “Epilepsy & Behavior” Finasteride worsens seizures in epilepsy rats and speeds up epileptogenesis in mice.
3 citations
,
December 2000 in “International Journal of Cosmetic Science” The study created a new method to test drugs that affect hormone processing in skin.
2 citations
,
January 2017 in “Annals of Dermatology” Taking 5-alpha reductase inhibitors does not increase breast cancer risk in men.
17 citations
,
November 1997 in “Andrology” Finasteride effectively treats enlarged prostate and male baldness, improves symptoms of hirsutism in women, but doesn't work for acne, and may delay prostate cancer progression with few side effects.
4 citations
,
September 2006 in “European Urology Supplements” Dutasteride reduces DHT and improves BPH symptoms more effectively than finasteride.
10 citations
,
August 1990 in “Journal of Steroid Biochemistry” High doses of cyclosporine A increase testosterone conversion, possibly boosting hair growth.
2 citations
,
June 2022 in “Molecules” Connarus semidecandrus Jack extract promotes hair growth and thickness, reduces prostate cancer cell growth, and could potentially be used as a treatment for hair loss.
2 citations
,
January 2019 in “Annals of Dermatology” Melandrium firmum extract helps mice grow hair by blocking a hair loss enzyme and changing hair growth genes.
1 citations
,
October 2025 in “EBioMedicine” Women have a higher DHT/testosterone ratio than men, possibly due to gut bacteria activity.
27 citations
,
April 2008 in “Journal of Biological Chemistry” HMG-CoA reductase is crucial for skin wound healing by regulating keratinocyte growth and blood vessel formation.
3 citations
,
October 1994 in “Journal of Labelled Compounds and Radiopharmaceuticals” Scientists made a carbon-14 labeled version of a drug with a 48% yield and over 99% purity.
July 2024 in “Fitoterapia” Camellia oleifera seed shell polyphenols and 1,3,6-tri-O-galloylglucose can help treat hair loss by reducing certain hormones and promoting hair growth.
26 citations
,
July 1995 in “Neurobiology of Aging” Finasteride affects prostate weights and pituitary activity differently with age.