Certain genetic markers on chromosome 20 are linked to hair loss in the Han Chinese from Yunnan.
January 2009 in “Egyptian Journal of Medical Human Genetics” The study suggests that a specific gene variation and higher gene activity are linked to increased baldness in Egyptian men.
January 2005 in “Korean Journal of Psychosomatic Medicine” Women with alopecia often experience high levels of anxiety and depression, needing psychiatric help.
48 citations
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January 2003 in “Fertility and Sterility” There's no significant link between the D19S884 marker at the insulin receptor gene and polycystic ovary syndrome.
28 citations
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January 2012 in “International Journal of Trichology” Genetics affect early female hair loss, severity depends on duration, and low ferritin levels not significant.
10 citations
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May 2023 in “Journal of Investigative Dermatology” Actinic keratosis is more common in older men with certain genetic traits, but smoking seems to reduce its odds.
1 citations
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January 1996 in “Springer eBooks” Androgenetic alopecia is a condition causing noticeable hair loss, especially in middle age, which is more severe than normal balding.
Adolescents with PCOS have lower quality of life due to diagnosis, binge eating, and body image concerns.
October 2021 in “Más dermatología” Female androgenetic alopecia affects many women, is reversible with treatment like Minoxidil, and has significant psychological impacts.
December 2015 in “Вестник дерматологии и венерологии” Men with male pattern baldness may not have different hormone levels, but their hair follicles are likely more sensitive to hormones.
11 citations
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May 2021 in “Journal of Medical Virology” Men are more likely to have severe respiratory viral infections like COVID-19 due to hormonal and genetic differences, while women generally have stronger immune responses.
1 citations
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September 2020 in “Journal of the Endocrine Society” Men have worse COVID-19 outcomes than women due to genetic and hormonal differences.
58 citations
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December 2020 in “Mayo Clinic Proceedings” The conclusion is that individual differences in COVID-19 severity are influenced by factors like age, sex, race, and genetics, which are important for personalized medicine.
5 citations
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March 2025 in “Pediatric Dermatology” Alopecia areata in children is caused by the immune system attacking hair follicles due to genetic factors.
3 citations
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May 2018 in “Experimental Dermatology” Young HS patients often have other physical and mental health issues, and research on HS covers a wide range of topics including genetics, triggers, treatments, and the need for more data.
33 citations
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January 2017 in “Conservation physiology” Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.
June 1997 in “Australasian Journal of Dermatology” Researchers found new hair and nail genes, how hair reacts to UV, differences in white and pigmented hair growth, nerve changes in alopecia, treatments for baldness and alopecia, a toenail condition linked to a genetic disorder, and that nail fungus is more common in people with psoriasis.
September 1989 in “PubMed” Genetic response to androgens is key in female pattern baldness, not SHBG levels.
5 citations
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January 2017 in “Endocrinology” Genetic defects in testosterone production can cause hormonal and developmental disorders, and more research is needed to understand androgen regulation and develop safer treatments.
2 citations
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March 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Hairless mammals have genetic changes in both their protein-coding and regulatory sequences related to hair.
98 citations
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June 2008 in “Human mutation” A genetic change in the EDAR gene causes the unique hair traits found in East Asians.
5 citations
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December 2018 in “Frontiers in Endocrinology” Differences in androgen receptor expression and tissue properties may lead to higher cryptorchidism risk in certain rats.
4 citations
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June 1990 in “PubMed” Hair protein differences help identify species and individuals in forensic science.
2 citations
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December 2020 in “Frontiers in genetics” Researchers found genes linked to feather growth speed in Shouguang chickens, highlighting two genes that might explain differences in feathering.
January 2026 in “Animal Genetics” A genetic variant in the GJB6 gene likely caused the Labrador's paw pad condition.
Certain genetic markers can help predict wool production in U.S. sheep.
109 citations
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October 2007 in “American Journal of Human Genetics” Giving a special protein to dogs with a certain genetic disease improved their symptoms but didn't help with hair growth.
2 citations
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October 1990 in “The Lancet” Some people have a genetic variation that makes them less effective at breaking down drugs.
21 citations
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November 2017 in “Livestock science” Nellore cattle have genetic variations linked to their adaptation to tropical environments.
1 citations
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December 2018 in “Journal of Cosmetic Dermatology” Men with thinner hair from genetic hair loss may be more likely to have an enlarged prostate.