14 citations,
February 2018 in “Psychoneuroendocrinology” Mice lacking steroid 5α-reductase 2 show less aggression and better impulse control.
218 citations,
December 2011 in “Advances in Urology” The document concludes that the 5 alpha-reductase enzymes are important in steroid metabolism and related to various human diseases, with inhibitors used to treat conditions like male pattern baldness and prostate issues.
13 citations,
January 2019 in “Endocrine journal” Dihydrotestosterone treatment can help penis growth in boys with 5α-reductase deficiency but doesn't fully normalize size after puberty.
October 2022 in “Endocrine journal” Testosterone and dihydrotestosterone treatments can help with penile growth in males with 5α-reductase type 2 deficiency, with dihydrotestosterone being more effective in infancy.
17 citations,
May 1998 in “Steroids” Researchers developed a model to predict how well certain compounds can block an enzyme related to hair loss and prostate issues, suggesting a 50 mg dose of finasteride might be effective based on lab and body data.
49 citations,
January 2004 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Selective non-steroidal inhibitors of 5α-reductase type 1 can help treat DHT-related disorders.
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.
57 citations,
February 2007 in “International Journal of Cancer” A49T gene variant linked to higher prostate cancer risk, lower hormone levels, and slightly reduced balding risk.
32 citations,
April 1999 in “Expert Opinion on Investigational Drugs” Finasteride effectively treats male hair loss, improving growth and density.
38 citations,
October 2014 in “Current Opinion in Endocrinology, Diabetes and Obesity” 5-alpha reductase deficiency leads to male sexual development issues and treatments like finasteride help with prostate enlargement and hair loss.
July 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The structure of SRD5A reveals how it reduces steroids, aiding drug design for related health conditions.
93 citations,
February 2009 in “Annals of the New York Academy of Sciences” 5α‐reductase isozymes are crucial for prostate development and health, and targeting them can help prevent and treat prostate issues.
11 citations,
February 2016 in “Current Medicinal Chemistry” New treatments for prostate cancer and BPH show promise, including novel compounds that target hormone synthesis and response.
11 citations,
August 2020 in “Diabetes” Testosterone helps human pancreatic cells increase insulin release.
72 citations,
January 2011 in “Current Pharmaceutical Design” S5αR inhibitors might help treat schizophrenia and other mental disorders but need more research.
21 citations,
August 1994 in “Clinical endocrinology” 5α-Reductase inhibitors can help treat hair loss, acne, and prostate issues by reducing DHT levels.
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.
77 citations,
March 2001 in “Clinics in Dermatology” Androgenetic alopecia involves genetics, hormones, and can be treated with medications or surgery.
12 citations,
June 2019 in “Psychoneuroendocrinology” Allopregnanolone is needed for certain brain processing issues caused by D1 dopamine receptor activation.
66 citations,
January 2000 in “Hormone Research in Paediatrics” Androgens can both promote and prevent hair growth due to differences in gene expression in hair follicles.
October 2006 in “Aging Health” Dutasteride effectively treats benign prostatic obstruction, improves urinary flow, reduces prostate size, and may prevent prostate cancer, but can cause sexual side effects.
408 citations,
May 2004 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Dutasteride more effectively lowers DHT levels in men with enlarged prostates than finasteride.
21 citations,
May 2015 in “The Journal of Steroid Biochemistry and Molecular Biology” Progesterone byproduct 5αP stimulates mammary tumor growth, but finasteride can suppress it.
3 citations,
January 2001 in “Cambridge University Press eBooks” Finasteride effectively treats hair loss and enlarged prostate in men, with mild side effects.
124 citations,
March 2012 in “JAMA” Testosterone's muscle-building effects do not require its conversion to DHT.
June 2001 in “International Journal of Cosmetic Surgery and Aesthetic Dermatology” Finasteride improves hair growth in men with androgenetic alopecia.
195 citations,
February 2007 in “The Journal of Clinical Endocrinology and Metabolism” Dutasteride and finasteride may reduce sperm count and volume but don't affect movement or shape; effects are reversible after stopping.
50 citations,
March 2017 in “PeerJ” Using finasteride or dutasteride may cause long-lasting erectile dysfunction.
1 citations,
August 2015 in “Current Sexual Health Reports” 5α-reductase inhibitors can cause serious and possibly lasting sexual and psychological side effects.
1 citations,
May 2018 in “Clinical chemistry” The girl's unexpected pubic hair growth led to a diagnosis different from complete androgen insensitivity syndrome.