193 citations
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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.
12 citations
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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.
40 citations
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April 1999 in “Drugs” Finasteride treats enlarged prostate, improves urinary flow, but may cause sexual side effects.
64 citations
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March 2006 in “Food Chemistry” The triterpenoids from Ganoderma lucidum can block testosterone effects and may help treat enlarged prostate.
27 citations
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January 2017 in “Neuropsychopharmacology” The enzyme 5α-reductase is key in causing psychotic-like effects from sleep deprivation.
3 citations
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October 1995 in “International Journal of Dermatology” Finasteride helps treat skin issues like acne and baldness by blocking testosterone conversion.
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November 1996 in “Journal of Cutaneous Medicine and Surgery” Hormones, especially androgens, play a key role in causing acne, and treatments like hormone control pills and hormone-blocking medications can help.
35 citations
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October 2004 in “Biology of Reproduction” PNU157706 reduced rat sperm movement and fertility without affecting offspring health.
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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.
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August 2016 in “Fitoterapia” Some herbs and their components might help treat hair loss by affecting various biological pathways, but more research and regulation are needed.
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January 2003 in “Synthetic Communications” Scientists made two new chemicals that might help treat diseases caused by male hormones.
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January 2002 in “British journal of dermatology/British journal of dermatology, Supplement” Apple extract called procyanidin B-2 was found to greatly increase hair growth.
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April 2018 in “Endocrine” PFS and PSSD are similar conditions with persistent sexual dysfunction after stopping medication.
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July 2006 in “European Urology Supplements” 5α-reductase inhibitors can reduce prostate cancer risk but may increase high-grade tumors, needing more research.
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January 2002 in “Mechanisms of development” Different enzymes are active in different parts of developing mouse organs.
1′S-1′-Acetoxychavicol acetate may help treat hair loss by reducing oxidative stress.
35 citations
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October 2011 in “Medicine and science in sports and exercise” Muscles can make their own androgens, which may help muscle growth.
January 2021 in “Faculty of 1000 Research Ltd” Phytochemicals may offer safer alternatives to synthetic drugs for prostate cancer treatment.
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April 2019 in “BMJ. British medical journal” Men taking dutasteride or finasteride have a slightly higher risk of developing type 2 diabetes.
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March 1995 in “Journal of the American Chemical Society” Finasteride modifies 5-alpha-reductases through a two-step process, affecting inhibitor potency and possibly causing side effects.
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November 2006 in “International Journal of Cancer” A49T gene variant linked to higher prostate cancer risk, lower hormone levels, and slightly reduced balding risk.
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January 2017 in “Journal of Endocrinology/Journal of endocrinology” Female mice with disrupted 5α-reductase 1 had significant metabolic issues, including stress response problems, insulin resistance, liver fat buildup, and obesity.
260 citations
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July 2010 in “Cell” Mutations in the SRD5A3 gene cause a new type of glycosylation disorder by blocking the production of a molecule necessary for protein glycosylation.
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November 2018 in “Psychoneuroendocrinology” Lower levels of certain brain chemicals are linked to worse PTSD symptoms in men.
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April 2013 in “Sexual medicine reviews” 5-alpha reductase inhibitors slightly increase the risk of sexual and mood side effects, and breast growth in men.
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April 1999 in “Expert Opinion on Investigational Drugs” Finasteride effectively treats male hair loss, improving growth and density.
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December 2019 in “Steroids” Finasteride and dutasteride reduce neurosteroid production, possibly helping treat glioblastoma.
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October 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride increases hair growth, prolongs hair cycle, and lowers dihydrotestosterone levels.
February 2026 in “Frontiers in Medicine” Oral minoxidil improved hair loss more than oral dutasteride.
301 citations
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May 1998 in “Genes & Development” Ets2 gene is crucial for placental development in mice.