27 citations
,
January 2017 in “Neuropsychopharmacology” The enzyme 5α-reductase is key in causing psychotic-like effects from sleep deprivation.
14 citations
,
February 2018 in “Psychoneuroendocrinology” Mice lacking steroid 5α-reductase 2 show less aggression and better impulse control.
11 citations
,
May 1996 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” The main enzyme found in pubic skin that could be targeted to treat excessive hair growth is 5 alpha-R2.
6 citations
,
May 2020 in “JAMA Ophthalmology” Using 5-alpha-reductase inhibitors, drugs for prostate issues and hair loss, may lead to eye abnormalities in men.
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.
4 citations
,
May 2019 in “Physiology & Behavior” Cocaine impairs male sexual behavior and alters testosterone metabolism in the brain.
July 2024 in “Biological and Pharmaceutical Bulletin” Licorice extract helps hair growth and may treat hair loss.
11 citations
,
December 2018 in “Assay and Drug Development Technologies” Natural herbal compounds might treat certain medical conditions by reducing DHT levels, but more research is needed to confirm their effectiveness and safety.
45 citations
,
August 2010 in “Hormone Molecular Biology and Clinical Investigation” Type 3 5α-reductase is more common and finasteride and dutasteride strongly inhibit it.
34 citations
,
February 1993 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Certain 4-azasteroids are effective at blocking the enzyme that processes testosterone in human skin and could help treat acne, excessive hair growth, and male pattern baldness.
21 citations
,
January 2020 in “General and Comparative Endocrinology” Lack or blocking of SRD5a, a key component in hormone creation, can lead to conditions like pseudohermaphrodism and affect hair growth, bone mass, muscle strength, and reproductive health. More research is needed on its regulation from fertilization to adulthood.
5 citations
,
August 2018 in “Sexual Medicine Reviews” 5α-Reductase inhibitors do not consistently increase testosterone levels in the blood.
76 citations
,
September 1992 in “Endocrinology” The human type II 5α-reductase gene has a specific structure important for understanding certain medical conditions.
35 citations
,
October 2004 in “Biology of Reproduction” PNU157706 reduced rat sperm movement and fertility without affecting offspring health.
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.
13 citations
,
August 1997 in “Steroids” Finasteride effectively lowers specific hormone levels, helping monitor treatment progress.
7 citations
,
April 2015 in “General and Comparative Endocrinology” Finasteride negatively affects fish reproduction and gonadal development.
4 citations
,
November 2022 in “Frontiers in endocrinology” The enzyme 5α-reductase type 1 is important for blood vessel development and fertility in the uterus.
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.
223 citations
,
December 2010 in “The Journal of Sexual Medicine” Some patients taking finasteride or dutasteride may have ongoing sexual problems and depression even after stopping the medication.
75 citations
,
January 2014 in “Korean Journal of Urology” 5α-reductase inhibitors can cause sexual problems, higher risk of aggressive prostate cancer, and depression.
40 citations
,
March 2016 in “The Journal of Clinical Endocrinology & Metabolism” Young girls whose mothers have PCOS may have higher activity of a specific enzyme that could lead to developing PCOS later.
32 citations
,
April 1999 in “Expert Opinion on Investigational Drugs” Finasteride effectively treats male hair loss, improving growth and density.
12 citations
,
February 1997 in “British Journal of Dermatology” The enzyme type 1 5α-reductase is more active in the hair follicle's lower part than in the skin's outer layer.
11 citations
,
January 2000 in “The Journal of Steroid Biochemistry and Molecular Biology” LY320236 is a strong blocker of two enzymes that change testosterone into dihydrotestosterone and might help treat conditions related to male hormones.
3 citations
,
January 2001 in “Cambridge University Press eBooks” Finasteride effectively treats hair loss and enlarged prostate in men, with mild side effects.
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
,
September 2009 in “Hormone Molecular Biology and Clinical Investigation” Low dose finasteride decreases certain steroids, possibly increasing depression risk.
75 citations
,
November 1996 in “Fertility and Sterility” Finasteride effectively reduces hair growth in women with idiopathic hirsutism, but requires careful contraception during treatment.
51 citations
,
October 2002 in “European journal of endocrinology” Low-dose finasteride effectively treats hirsutism, is safe, and cost-effective.