May 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” The enzyme 5α-reductase is important for proper blood vessel development during the fertility-related transformation of the uterus lining.
22 citations,
March 2000 in “Clinics in Dermatology” Many treatments for hair loss lack proper testing and FDA approval, so their effectiveness is uncertain.
17 citations,
August 2012 in “Archives of Pharmacal Research” Acankoreoside J from Acanthopanax koreanum may help promote hair growth.
2 citations,
February 2004 in “Biopolymers” 4-(4-Phenoxybenzoyl)benzoic acid derivatives can both increase and decrease certain types of reactive oxygen species, and may be relevant to hair loss.
13 citations,
October 2002 in “Journal of Biochemical and Biophysical Methods” Men with male-pattern baldness have higher levels of certain testosterone metabolites and may have more active androgen metabolism.
11 citations,
August 1997 in “Expert Opinion on Therapeutic Patents” Many potential alopecia treatments need more testing to confirm they promote acceptable hair growth with minimal side effects.
44 citations,
July 2012 in “Endocrine Practice” We need to learn more about 5α-reductases and neuroactive steroids to safely make drugs targeting these enzymes.
November 2012 in “Endocrine Practice” Enzymes called 5α-reductases have many body functions and need more research to safely use inhibitors.
2 citations,
March 2012 in “Nature Reviews Endocrinology” The body's change of testosterone into DHT is not necessary for testosterone's muscle and sexual effects.
22 citations,
January 2006 in “International Journal of Andrology” Taking oral testosterone with finasteride or dutasteride doubles testosterone levels, and food slightly affects it.
12 citations,
October 1995 in “The Journal of Clinical Endocrinology & Metabolism” Skin changes can indicate hormonal imbalances and help diagnose endocrine disorders.
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.
10 citations,
October 2008 in “Andrologia” Finasteride changes antioxidant enzyme expression, possibly affecting sperm protection in rats.
26 citations,
June 2005 in “Journal of Molecular Endocrinology” Dutasteride is more efficient than finasteride, but individual results vary.
9 citations,
October 1993 in “The Journal of Clinical Pharmacology” Finasteride doesn't affect antipyrine metabolism, so interactions with cytochrome P-450 enzyme drugs are unlikely.
136 citations,
March 1996 in “Journal of the American Chemical Society” Finasteride effectively blocks enzyme causing male pattern baldness.
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.
39 citations,
April 2018 in “Hormones” No consistent link between genotype and phenotype in 5-α-Reductase type 2 deficiency.
5 citations,
July 2021 in “Endocrinology, diabetes & metabolism” Glioblastoma cells can make androgens, which might help the tumor grow.
January 2008 in “The Year book of endocrinology” Gene variant linked to prostate cancer, hormone levels, and hair loss.
237 citations,
December 2001 in “Urology” Blocking the enzyme 5α-reductase can shrink the prostate and help treat enlarged prostate issues.
215 citations,
November 2006 in “Journal of The American Academy of Dermatology” Dutasteride more effective for hair growth, but has more side effects than finasteride.
6 citations,
March 2003 in “Archiv Der Pharmazie” Scientists made new substances that can block an enzyme linked to prostate issues and hair loss, with potential for creating a new treatment.
8 citations,
January 1991 in “European Urology” Finasteride lowers DHT levels and raises testosterone in a dose-dependent way.
June 2023 in “International journal of pharmaceutical quality assurance” Eclipta alba extract could be a promising natural treatment for hair loss.
July 2012 in “The Journal of Urology” Testosterone increases muscle mass regardless of DHT conversion blocking.
35 citations,
October 2004 in “Biology of Reproduction” PNU157706 reduced rat sperm movement and fertility without affecting offspring health.
12 citations,
January 2018 in “Journal of Drug Delivery Science and Technology” The new particle system could be a promising treatment for diseases related to the 5-α reductase enzyme.
25 citations,
November 2015 in “Journal of Ethnopharmacology” Certain Chinese herbs, especially Cacumen platycladi, can promote hair regrowth and reduce hair loss-related hormone levels in mice.
69 citations,
December 2011 in “Journal of Ethnopharmacology” Some Thai plants, especially Carthamus tinctorius, could help prevent hair loss and promote hair growth without adverse effects.