42 citations,
June 2009 in “Journal of Cosmetic Dermatology” Hair loss in males involves inflammation, collagen buildup, and follicle damage, with severity increasing with age and baldness duration.
13 citations,
April 2009 in “PLOS ONE” No clear link between androgen receptor variation and hair loss, but more research needed.
70 citations,
January 2009 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Androgens slow hair growth by altering Wnt signaling in balding cells.
111 citations,
October 2008 in “Nature Genetics” Researchers found a new gene area linked to male-pattern baldness, which, along with another gene, significantly increases the risk of hair loss in men.
102 citations,
February 2008 in “The FASEB Journal” One minoxidil-sensitive potassium channel exists in human hair follicles.
39 citations,
January 2008 in “Journal of Endocrinology” SCF and c-Kit decrease in AGA hair follicles, possibly affecting hair pigmentation and growth.
171 citations,
July 2007 in “Journal of Investigative Dermatology” A substance called DKK-1 increases in balding areas and causes hair cells to die when exposed to DHT.
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.
215 citations,
November 2006 in “Journal of The American Academy of Dermatology” Dutasteride more effective for hair growth, but has more side effects than finasteride.
397 citations,
February 2004 in “British Journal of Dermatology” Minoxidil boosts hair growth by opening potassium channels and increasing cell activity.
84 citations,
November 2003 in “European journal of endocrinology” Women with androgenic alopecia are more likely to have polycystic ovaries and higher androgen levels, which may indicate PCOS.
78 citations,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” TGF-β1 from dermal papilla cells suppresses hair growth, and targeting it may help treat androgenetic alopecia.
38 citations,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Finasteride effectively improves hair growth and slows hair loss in men with male pattern baldness.
15 citations,
April 2003 in “Journal of Dermatological Science” Gene differences may affect baldness treatment response in Korean men.
269 citations,
August 2002 in “Journal of The American Academy of Dermatology” 5% minoxidil works better for hair growth and density, with minor irritation.
149 citations,
June 2002 in “British Journal of Dermatology” Minoxidil works better for female hair loss, but cyproterone reduces scalp oiliness and causes menstrual issues.
15 citations,
April 2002 in “British Journal of Dermatology” Hairless gene not strongly linked to baldness.
50 citations,
March 2001 in “Clinics in Dermatology” Genes and hormones cause hair loss, with four genes contributing equally.
239 citations,
November 2000 in “Journal of The American Academy of Dermatology” Finasteride doesn't effectively treat hair loss in postmenopausal women.
7 citations,
March 2000 in “CRC Press eBooks” 24 citations,
January 2000 in “Dermatology” Gene linked to common hair loss found, may lead to new treatments.
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.
231 citations,
December 1999 in “Journal of Investigative Dermatology” Hair follicle size is mainly influenced by the number of cells and extracellular matrix volume, with cell number having a larger impact.
63 citations,
November 1999 in “British journal of dermatology/British journal of dermatology, Supplement” Hair sensitivity to androgens is partly controlled by specific enzyme expressions in different hair areas.
27 citations,
September 1999 in “Journal of Investigative Dermatology” Human skin cells contain Protease Nexin-1, and male hormones can decrease its levels, potentially affecting hair growth.
51 citations,
November 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Beard cells, unlike scalp cells, produce growth factors in response to testosterone, which may explain differences in hair growth.
581 citations,
October 1998 in “Journal of The American Academy of Dermatology” Finasteride safely and effectively treats male pattern hair loss, but may cause reversible sexual issues and harm male fetuses.
118 citations,
April 1998 in “Dermatologic Clinics” Finasteride and minoxidil are effective for hair regrowth, while treatments for alopecia areata have varying success and continuous treatment is necessary.
74 citations,
January 1998 in “Dermatology” Men who think they are losing hair feel worse about themselves, especially if they are younger.
227 citations,
January 1998 in “Journal of Endocrinology” Cells from balding scalps have more androgen receptors than cells from non-balding scalps.
19 citations,
January 1997 in “Endocrinology” Testosterone can slow hair growth in adult monkeys, but a blocker called RU 58841 can counteract this and potentially help hair regrow.
30 citations,
March 1996 in “British Journal of Dermatology” 173 citations,
July 1995 in “Biochemical and biophysical research communications” Male hormones promote hair cell growth by using a growth factor from nearby skin cells.
135 citations,
August 1994 in “Clinical Endocrinology” Most women with hirsutism or androgenic alopecia had polycystic ovaries, especially if they had irregular periods.
14 citations,
July 1994 in “Archives of Dermatology” 157 citations,
April 1994 in “Clinical endocrinology” Androgens can cause hair growth in some areas and hair loss on the scalp.
222 citations,
October 1993 in “Journal of The American Academy of Dermatology” Hair loss affects women's mental health more than men's, causing anxiety, low self-esteem, and social insecurity.
309 citations,
May 1993 in “Journal of The American Academy of Dermatology” Horizontal scalp biopsy sections effectively diagnose and predict MPAA, with follicular density and inflammation impacting hair regrowth.
1040 citations,
October 1992 in “The New England Journal of Medicine” Finasteride effectively treats BPH but may increase sexual dysfunction risk.
192 citations,
June 1992 in “Journal of The American Academy of Dermatology” Hair loss can cause low self-esteem, anxiety, and depression in men.
124 citations,
April 1992 in “Journal of Endocrinology/Journal of endocrinology” Beard hair follicles have more androgen receptors than non-balding scalp hair follicles.
58 citations,
September 1991 in “British Journal of Dermatology” Women with AGA often face anxiety, depression, and low self-esteem; psychological support is important.
71 citations,
May 1991 in “Clinical and Experimental Dermatology” Young men with male pattern baldness lose hair density over time without treatment.
130 citations,
May 1988 in “Journal of The American Academy of Dermatology” "Male-pattern" hair loss is common in women, especially after menopause, and doesn't always mean there's a problem with hormone balance.
13 citations,
September 1986 in “Archives of Dermatology” Women with more 3α,17β-androstanediol glucuronide compared to sex hormone binding globulin are more likely to have female pattern baldness.
29 citations,
September 1983 in “British Journal of Dermatology” Men with hair loss have lower SHBG and higher saliva testosterone levels, suggesting increased androgen activity.
40 citations,
March 1982 in “British Journal of Dermatology” Young women with diffuse hair loss may have low SHBG levels, which could lead to more active testosterone and contribute to their hair loss.
666 citations,
September 1977 in “British Journal of Dermatology” Common baldness, also known as Androgenetic Alopecia, is caused by a combination of genetic factors and hormones called androgens.