March 2023 in “Translational Andrology and Urology” 5-alpha reductase inhibitors, like finasteride and dutasteride, are used for prostate issues, hair loss, and excessive hair growth, may help with COVID-19, but can cause sexual and mental health side effects, and their use in preventing prostate cancer needs more examination.
4 citations
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March 2020 in “Journal of Cosmetic Dermatology” Plumbago zeylanica extract helps hair growth and reduces a hair loss-related enzyme.
28 citations
,
May 2018 in “Scientific reports” Exercise improves insulin sensitivity and hormone regulation in PCOS rats.
9 citations
,
March 1991 in “Endocrinology” Using two drugs together, Flutamide and 4-MA, is more effective for blocking male hormones than using each one alone.
27 citations
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January 2017 in “Neuropsychopharmacology” The enzyme 5α-reductase is key in causing psychotic-like effects from sleep deprivation.
67 citations
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February 1997 in “Teratology” Finasteride, when given in high oral doses to pregnant monkeys, caused genital abnormalities in male fetuses, but not in female fetuses or those exposed to intravenous finasteride.
June 2023 in “Journal of personalized medicine” Androgen treatment with dihydrotestosterone may help maintain height in patients with 5-α-reductase type 2 deficiency, especially before puberty.
26 citations
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September 2005 in “Pharmacology Biochemistry and Behavior” 5alpha-reductase 2 is crucial for proper male brain development and sexual differentiation.
52 citations
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February 2006 in “Current pharmaceutical design” 5α-reductase inhibitors and alpha-1 adrenergic antagonists together effectively treat benign prostatic hyperplasia, with long-term benefits.
3 citations
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June 2017 in “Reproductive biomedicine online” A certain mutation in the fetal alpha 5-reductase gene is linked to a higher risk of late miscarriage.
September 2022 in “Annals of medicine and surgery” Three siblings with a rare genetic condition had abnormal sexual development and chose different gender identities, needing surgery and therapy.
2 citations
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April 2021 in “Canadian Journal of Urology” Five-alpha reductase inhibitors, like finasteride and dutasteride, can treat enlarged prostates, improve urination, reduce need for prostate surgery, and lower the risk of prostate cancer, but may increase the risk of higher grade prostate cancer. They can also treat male pattern baldness.
5 citations
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November 2015 in “Journal of Enzyme Inhibition and Medicinal Chemistry” Certain derivatives are more effective 5α-reductase type 2 inhibitors than finasteride.
Fructus Psoraleae may help treat hair loss by inhibiting 5-α reductase and affecting the Nrf2-Keap1 pathway.
November 2017 in “JAMA internal medicine” Women also use 5α-reductase inhibitors for hair loss and hirsutism.
147 citations
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April 1990 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride safely lowers DHT levels without affecting testosterone.
63 citations
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November 1999 in “British journal of dermatology/British journal of dermatology, Supplement” Hair sensitivity to androgens is partly controlled by specific enzyme expressions in different hair areas.
21 citations
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August 1994 in “Clinical endocrinology” 5α-Reductase inhibitors can help treat hair loss, acne, and prostate issues by reducing DHT levels.
January 2003 in “Humana Press eBooks” Dihydrotestosterone and 5α-Reductase play a role in hair loss and prostate health, and finasteride can increase hair growth in men without affecting sperm production, but it doesn't work for postmenopausal women with hair loss.
13 citations
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January 2015 in “Steroids” The study created a model to help design new inhibitors for steroidal 5α-reductase enzymes.
7 citations
,
January 1989 in “Archives of Dermatological Research” The side gland of Suncus murinus is a good model for studying human sebaceous glands.
57 citations
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February 1983 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Dihydrotestosterone increases the activity of an enzyme in pubic skin cells that converts testosterone to dihydrotestosterone.
41 citations
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March 1998 in “Archives of Dermatological Research” The enzyme that changes testosterone to a stronger form is mostly found in the part of the hair follicle called the dermal papilla.
31 citations
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September 2008 in “International Journal of Andrology” 5-alpha-reductase inhibitors may cause a low incidence of erectile dysfunction that decreases over time.
April 2026 in “Communications Biology” The development of breeding tubercles in male zebrafish relies on a specific enzyme that processes hormones.
February 2026 in “Toxicology Letters” MK-0773 is a moderate inhibitor of the SRD5A2 enzyme.
July 2021 in “Asia-Pacific journal of convergent research interchange” Cauliflower Mushroom extract may help treat male hair loss by affecting hair growth-related genes.
July 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The structure of SRD5A reveals how it reduces steroids, aiding drug design for related health conditions.
October 2023 in “Annales Academiae Medicae Silesiensis” Saw palmetto extracts might help treat male hair loss and need more research.
45 citations
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September 2000 in “Archives of dermatology” The study found that the enzyme linked to acne is present in the same areas of both acne-affected and normal skin.