30 citations
,
August 1984 in “Journal of the American Academy of Dermatology” Low-sulfur hair syndrome can cause UVB sensitivity and testicular failure.
57 citations
,
February 1983 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Dihydrotestosterone increases the activity of an enzyme in pubic skin cells that converts testosterone to dihydrotestosterone.
3 citations
,
January 2023 in “Nutrients” Hordenine may help hair grow by activating a specific cell growth pathway.
February 2026 in “Experimental Dermatology” Cyclohexyl salicylate may help hair growth and treat hair loss.
December 2025 in “Molecules” DPP may help hair regrowth by improving blood vessel function under stress.
28 citations
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October 2004 in “Differentiation” A gene deletion causes the "hairless" trait in Iffa Credo rats.
October 2016 in “Letters in Drug Design & Discovery” 26 citations
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December 1990 in “Journal of Biological Chemistry” Two specific genes are more active during hair growth in mice.
98 citations
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July 1983 in “Journal of Steroid Biochemistry” Individuals with this condition often develop male traits and identities at puberty despite being raised as females.
September 2014 in “International Journal of Dermatology and Venereology” Certain histamine receptors (H2R, H3R, H4R) have unique roles in treating skin diseases, with H2R helping with chronic urticaria and other conditions, H3R providing pain relief and allergy benefits, and H4R reducing inflammation and itchiness.
22 citations
,
May 1986 in “Clinics in endocrinology and metabolism” Certain finger length ratios and body hair patterns may predict side effects from birth control pills in women.
June 2022 in “Dermatologic Therapy” Oral minoxidil and growth factors improved hair density and thickness in a girl with hereditary hair loss.
9 citations
,
January 2014 in “Molecular Genetics and Metabolism Reports” The rhg mutation in mice affects the Oat gene, causing hair growth issues and other symptoms.
October 2023 in “Journal of the Endocrine Society” A woman's excessive hair growth was linked to a rare case of high testosterone caused by a prolactin-producing pituitary tumor.
27 citations
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May 2011 in “Journal of Investigative Dermatology” TCHHL1 is a protein important for hair growth, found in hair follicles.
December 2025 in “ILDS-DEV”
1 citations
,
August 2011 in “Dermatology Reports” Two siblings were found to have a genetic condition causing progressive hair loss and woolly hair, which may often be misdiagnosed.
13 citations
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June 2006 in “Fertility and Sterility” Nonclassic 21-hydroxylase deficiency is a common, treatable genetic disorder causing reversible symptoms like acne and hair loss.
37 citations
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August 2015 in “The Journal of Steroid Biochemistry and Molecular Biology” The vitamin D receptor can regulate genes and affect hair and hormone levels without its usual activator.
14 citations
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September 2007 in “Steroids” The study concluded that androstendione and DHEA are important for diagnosing high male hormone levels in women with excessive hair growth.
7 citations
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February 2012 in “Journal of cutaneous pathology” The document describes previously unreported unique skin changes in a rare genetic disorder called Hereditary mucoepithelial dysplasia.
September 2022 in “Annals of medicine and surgery” Three siblings with a rare genetic condition had abnormal sexual development and chose different gender identities, needing surgery and therapy.
December 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” Redheaded people have higher levels of a vitamin D precursor, suggesting red hair may be an adaptation for better vitamin D synthesis in areas with less sunlight.
3 citations
,
December 2020 in “Skin Appendage Disorders” Genetic testing confirmed a rare disorder causing hair loss and vision problems in a Saudi family, stressing its importance for diagnosis and counseling.
RXR and RAR proteins in skin may help with cell growth, hair growth, and gland function.
108 citations
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July 2002 in “Molecular and cellular biology” Overexpressing Dsg3 in mice skin causes excessive cell growth and abnormal skin development.
35 citations
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December 2017 in “Journal of Experimental Botany” AtCSLD3 and GhCSLD3 genes enhance root growth and cell elongation in plants.
A rigid compound with a common structural motif was successfully synthesized.
2 citations
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November 2017 in “PloS one” Some vitamin D analogs can thicken skin and reduce pore size like a common acne treatment, with one analog also affecting skin growth factors.
January 2026 in “Applied Sciences” Cyclic ADP-ribose helps regulate calcium and signals that promote hair growth in hair follicle cells.