31 citations,
October 1971 in “Steroids” Human beard hair follicles change testosterone into other related hormones, but don't much change androstenedione into testosterone.
29 citations,
April 1995 in “Endocrinology” Finasteride doesn't affect bone density in male rats.
29 citations,
December 1998 in “Seminars in Cutaneous Medicine and Surgery” New treatments for hair loss show promise, especially finasteride for men and a stronger minoxidil formula.
29 citations,
November 1975 in “Clinics in endocrinology and metabolism” Testosterone is made by Leydig cells, is active when not bound to proteins, and works by binding to receptors in muscles and other tissues.
26 citations,
November 1993 in “Progress in Neuro-psychopharmacology & Biological Psychiatry” Treatment during development affects hormone balance and sexual behavior in male rats.
25 citations,
November 1979 in “International Journal of Dermatology” Androgens affect skin conditions like acne and hair loss through specific biochemical pathways.
24 citations,
February 2007 in “Hormone and metabolic research” The substance MK386 effectively blocked testosterone conversion and reduced cell growth in certain skin cells, but inhibiting 5α-reductase alone may not greatly improve acne.
23 citations,
January 2001 in “Chemical & Pharmaceutical Bulletin” New pregnane derivatives are effective at inhibiting an enzyme linked to hair loss and reducing oil gland activity.
22 citations,
September 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride reduces dihydrotestosterone, increases testosterone, and may treat hirsutism in women.
20 citations,
December 1994 in “Fertility and sterility” Flutamide combined with a low-dose birth control pill effectively reduces excessive hair growth in women with polycystic ovarian disease.
19 citations,
January 2012 in “Biomolecules & Therapeutics” Grateloupia elliptica extract may help prevent hair loss and promote hair growth.
19 citations,
June 1999 in “Steroids” Different halogens on progesterone derivatives can either block or mimic male hormone effects, depending on their type and amount.
19 citations,
March 1998 in “Endocrinology” Male rats have more somatostatin neurons than females due to testosterone converting to estrogen during early development.
19 citations,
April 2014 in “Hormones” Hormones and genetics play key roles in male and female baldness, which can affect mental health and may be linked to other health issues.
19 citations,
June 2013 in “Annals of Oncology” Aromatase inhibitors cause male pattern hair loss in women.
18 citations,
January 2002 in “Chemical & pharmaceutical bulletin/Chemical and pharmaceutical bulletin” New pregnane derivatives were more effective than finasteride at inhibiting a key enzyme for male pattern baldness.
17 citations,
October 2013 in “Plastic and reconstructive surgery. Global open” Male pattern baldness may be caused by scalp pressure on hair follicles, which increases with age and leads to a cycle of hair loss. This process is not directly determined by genes.
16 citations,
June 2008 in “Springer eBooks” Over 50% of women over 50 experience hair loss, with minoxidil being the only proven effective treatment.
15 citations,
January 2017 in “Advances in Experimental Medicine and Biology” 5α-Reductase inhibitors can negatively affect male sexual function and, in some cases, significantly reduce sperm count, but these effects may be reversible.
14 citations,
February 2018 in “Psychoneuroendocrinology” Mice lacking steroid 5α-reductase 2 show less aggression and better impulse control.
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.
12 citations,
February 2016 in “Biochemical and Biophysical Research Communications” Sulforaphane may help with hair growth by breaking down a hormone that causes hair loss.
12 citations,
November 2007 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” A reliable model for screening type II 5α-reductase inhibitors was created and validated.
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,
July 2015 in “Gene” DHT affects bone growth by altering gene activity in osteoblasts, potentially complicating steroid use.
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.
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.
10 citations,
October 1992 in “Hormone and Metabolic Research” Finasteride safely lowers DHT levels without affecting hormone levels, helping with conditions like enlarged prostate, acne, and hair loss.
10 citations,
March 2019 in “Journal of neuroendocrinology” Testosterone affects stress hormone levels differently in adolescent and adult male rats.
9 citations,
October 2018 in “Medical Science Monitor” Lowering certain hormone levels improves treatment for hair loss in young men.