58 citations
,
January 2006 in “Skin Pharmacology and Physiology” High levels of testosterone and 5α-DHT can lead to cell death in cells important for hair growth.
53 citations
,
January 2006 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Reduced AR gene methylation may cause early pubic hair growth in girls.
52 citations
,
October 1999 in “Developmental Dynamics” Mutations in the hairless gene in mice affect its expression and lead to a range of developmental issues in multiple tissues.
51 citations
,
November 2011 in “British Journal of Dermatology” A gene called HDAC9 might be a new factor in male-pattern baldness.
48 citations
,
January 2003 in “Fertility and Sterility” There's no significant link between the D19S884 marker at the insulin receptor gene and polycystic ovary syndrome.
45 citations
,
January 2012 in “The Journal of Steroid Biochemistry and Molecular Biology” Too much AKR1C3 enzyme causes resistance to finasteride by increasing testosterone.
45 citations
,
November 2012 The conclusion is that androgen receptor gene polymorphism might be a marker for polycystic ovary syndrome, but more research is needed.
42 citations
,
January 2017 in “Genes” The gene KAP22-1 affects wool yield and fiber shape in sheep.
37 citations
,
January 2015 in “Evidence-based Complementary and Alternative Medicine” An extract from Quercus acutissima bark was found to reduce sebum production and block an enzyme linked to acne.
37 citations
,
January 2008 in “Gynecological Endocrinology” Shorter CAG repeats in a specific gene may increase male hormone activity and symptoms like acne and excess hair in women with PCOS.
37 citations
,
February 2013 in “Maturitas” Testosterone therapy is beneficial for women's health and does not cause masculinization or liver damage, and it protects the heart and breasts.
36 citations
,
October 2009 in “Journal of Investigative Dermatology” Dihydrotestosterone can be made from dehydroepiandrosterone in skin cells without needing testosterone.
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.
33 citations
,
September 2017 in “Molecules” Red ginseng oil and its components help promote hair regrowth and could treat hair loss.
33 citations
,
January 1997 in “Endocrinology” Testosterone can slow down hair growth when combined with certain cells from bald scalps, and this effect can be blocked by an androgen receptor blocker.
31 citations
,
January 1995 in “The American journal of medicine” Testosterone and dihydrotestosterone play a role in women's health issues like excess hair and baldness, and treatments blocking these hormones may help.
30 citations
,
June 1988 in “Journal of Steroid Biochemistry” Flutamide combined with an LHRH agonist effectively inhibits prostate growth, suggesting it could treat prostate cancer.
28 citations
,
October 2004 in “Differentiation” A gene deletion causes the "hairless" trait in Iffa Credo rats.
28 citations
,
October 1998 in “Baillière's clinical endocrinology and metabolism” Testosterone replacement may help post-menopausal women with androgen insufficiency, but more research is needed on its benefits and risks.
26 citations
,
November 2009 in “Journal of Endocrinological Investigation” Certain gene variations are not a major cause of male infertility in Nigerian men.
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.
24 citations
,
June 2011 in “Andrologia” Ganoderma lucidum may help treat enlarged prostate in rats.
24 citations
,
March 2011 in “British Journal of Dermatology” Men with hair loss have more DNA changes in back-of-head hair follicles, possibly protecting them from thinning.
23 citations
,
May 2009 in “International Journal of Dermatology” AR gene not major factor in female hair loss; different from male hair loss.
22 citations
,
August 2009 in “Evidence-based Complementary and Alternative Medicine” The composition with carnitine, thioctic acid, and saw palmetto extract may effectively reduce inflammation in hair follicle cells.
21 citations
,
January 2021 in “Therapeutic Advances in Endocrinology and Metabolism” Testosterone may have a dual role in COVID-19, potentially worsening outcomes in men, and testosterone therapy could help some patients, but more research is needed.
19 citations
,
August 2012 in “Cell death and differentiation” Intu gene is crucial for hair follicle formation by helping keratinocytes differentiate through primary cilia.
18 citations
,
October 2023 in “Nature Communications” Men with baldness are more prone to skin cancers on the scalp due to sun exposure, not testosterone.
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.
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.