8 citations
,
January 2012 in “General and Comparative Endocrinology” 5α-Reductase helps regulate hormone action in toad testes, especially during breeding season.
193 citations
,
August 1985 in “Endocrinology” Different animals have unique versions of the enzyme that changes testosterone into another hormone, which is important for creating effective treatments for prostate and hair loss conditions.
September 2025 in “Science Advances” PADI4 enzyme slows down cell growth in developing hair follicles.
13 citations
,
October 2005 in “Analytical Sciences” A new method was developed to measure and assess the activity and inhibition of the enzyme steroid 5α-reductase.
Finasteride, a medication, is being re-evaluated for its effects and uses.
January 2009 in “Journal of Xingtai University” Finasteride is made through a series of chemical reactions starting from a specific intermediate compound.
136 citations
,
July 2014 in “Proceedings of the National Academy of Sciences of the United States of America” FGF5 gene mutations cause unusually long eyelashes by affecting hair growth regulation.
March 2024 in “The journal of sexual medicine” Finasteride's negative effects on brain tissue in male rats may be reversible after stopping the drug.
21 citations
,
November 2017 in “Archives of Dermatological Research” Higher enzyme levels found in women with hair loss, suggesting hormone imbalance.
64 citations
,
March 2008 in “Neuropsychopharmacology” 20 citations
,
October 1995 in “PubMed” 6 citations
,
April 2005 in “Journal of dermatological science” The study found nine new hair protein genes in human hair follicles.
The role of 5α-reductase-3 in prostate cancer is unclear and needs more research.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” The reconstructed skin model from hair follicles functions like human skin in processing chemicals and can be used to test ingredient safety.
354 citations
,
August 1991 in “Molecular Endocrinology” Human adrenals and gonads have a unique enzyme for steroid hormone production.
56 citations
,
November 2007 in “Molecular and cellular endocrinology” Two enzymes regulate androgen receptor activity, affecting treatments for androgen insufficiency and benign prostatic hyperplasia.
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.
1 citations
,
February 1991 in “Journal of Biological Chemistry” June 2026 in “The Journal of Steroid Biochemistry and Molecular Biology”
45 citations
,
February 2005 in “Steroids” Four new compounds were more effective than finasteride in treating prostate issues and hair loss, with one being 100 times more active and safe for use.
258 citations
,
July 2005 in “Journal of lipid research” DGAT1 enzyme helps make diacylglycerols, waxes, and retinyl esters.
15 citations
,
March 2021 in “EMBO Reports” PRSS35 enzyme may help start skin tumors and could be a target for cancer treatment.
Marine sponges from Tabuhan Island can inhibit enzymes linked to Alzheimer's and hair loss.
January 2008 in “The Year book of endocrinology” Gene variant linked to prostate cancer, hormone levels, and hair loss.
18 citations
,
June 2017 in “Proceedings of the National Academy of Sciences of the United States of America” A gene called Gk5 controls lipid production in the skin and affects hair growth.
1 citations
,
March 2021 in “F1000Research” Plant-based compounds might be effective, low-side-effect treatments for prostate cancer by blocking a specific enzyme.
13 citations
,
August 1995 in “The Journal of Steroid Biochemistry and Molecular Biology” The activity of a specific rat enzyme in the prostate and epididymis is highly dependent on the acidity level.
45 citations
,
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.
17 citations
,
October 2003 in “Brazilian Journal of Medical and Biological Research” The gene SDR5A1 is found in scalp hair of both hirsute and normal individuals, but it does not explain differences in hair growth.
December 2022 in “Scientific Reports” Compound 4 is a promising treatment for hair loss with low toxicity.