226 citations
,
September 2001 in “Journal of The American Academy of Dermatology” Hair loss in women is genetic, diagnosed by examination and biopsy, and treated with minoxidil, finasteride, or transplantation.
December 2024 in “Journal of Clinical Research in Pediatric Endocrinology” 21-hydroxylase deficiency causes hormone imbalances leading to various symptoms, and diagnosis involves clinical and genetic tests.
13 citations
,
June 2006 in “Fertility and Sterility” Nonclassic 21-hydroxylase deficiency is a common, treatable genetic disorder causing reversible symptoms like acne and hair loss.
September 2025 in “JCEM Case Reports” Consider rare forms of CAH for accurate diagnosis and treatment.
January 2023 in “Pediatrics International” Non-classical 21-hydroxylase deficiency can be missed in newborn screenings and should be considered in cases of early puberty or virilization.
50 citations
,
September 2009 in “Molecular Genetics and Metabolism” A new gene mutation causes vitamin D resistance and rickets, treatable with calcium therapy.
April 2019 in “Journal of the Endocrine Society” An over-the-counter vitamin/mineral supplement improved hair loss and blood sugar control in a woman with non-classic 11-hydroxylase deficiency.
81 citations
,
March 1985 in “Journal of Clinical Investigation” Measuring 24-OHase induction helps identify defects in vitamin D processing and predict treatment response.
19 citations
,
August 1999 in “European journal of endocrinology” The study concluded that testing hormone levels after stimulation is not reliable for identifying carriers of 21-hydroxylase deficiency; genetic testing is necessary.
6 citations
,
June 2018 in “Journal of pediatric endocrinology & metabolism/Journal of pediatric endocrinology and metabolism” Patients with the same genetic mutation for vitamin D-resistant rickets showed different symptoms but all improved with treatment except for hair loss.
1 citations
,
January 1986 in “Journal of Steroid Biochemistry” Women with excessive hair growth or polycystic ovary disease may more often carry a gene variant for 21 hydroxylase deficiency.
67 citations
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August 2004 in “Endocrinology” A specific gene mutation causes vitamin D resistance, but certain vitamin D analogs might help.
3 citations
,
April 2020 in “American Journal of Case Reports” A new mutation in the HJV gene was found in a young woman with juvenile hemochromatosis, causing unusual symptoms like secondary hypothyroidism.
151 citations
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June 2010 in “Endocrinology and metabolism clinics of North America” Two rare genetic diseases cause severe rickets in children due to defects in vitamin D metabolism.
29 citations
,
January 1996 in “The Journal of Clinical Endocrinology & Metabolism” A genetic mutation in a specific gene causes a salt-wasting condition in a Pakistani girl and her family.
Low-dose glucocorticoid treatment improves pregnancy and birth rates in women with nonclassical 21-hydroxylase deficiency.
46 citations
,
August 2006 in “PubMed” A genetic defect causes males in some Mediterranean populations to be born with ambiguous genitalia and develop male traits at puberty.
6 citations
,
November 2017 in “Scientific reports” The R343H mutation in the VDR gene causes vitamin D-resistant rickets with alopecia by impairing specific gene activity.
47 citations
,
February 1998 in “Journal of bone and mineral research” A specific gene mutation causes vitamin D-resistant rickets and hair loss.
37 citations
,
August 2011 in “Journal of Bone and Mineral Research” A girl had rickets due to a gene mutation affecting vitamin D response.
August 2023 in “Dermatology Reports” Acne not improved by usual treatments may indicate a genetic disorder.
110 citations
,
November 1984 in “The American Journal of Medicine” A genetic defect in vitamin D receptors causes severe rickets and hair loss in children, but some heal as they age.
June 2023 in “Medicine and Pharmacy Reports” A woman with a specific mutation causing adrenal gland issues faced fertility problems, but careful hormone therapy helped her manage it successfully.
88 citations
,
October 1983 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Patients with this syndrome can have different responses and worsening resistance to treatment over time.
January 2023 in “Endocrine Journal” Treating classic 21-hydroxylase deficiency requires precise glucocorticoid dosing and attention to individual patient needs, with new treatments showing promise.
1 citations
,
May 2013 in “Hair transplant forum international” Non-classical 21 hydroxylase deficiency is an underdiagnosed cause of female hair loss and polycystic ovarian syndrome.
24 citations
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November 2008 in “Arquivos Brasileiros de Endocrinologia & Metabologia” Four patients with a type of rickets and hair loss had different mutations in their vitamin D receptor gene, causing it to not work properly.
94 citations
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July 2020 in “European Journal of Human Genetics” The guidelines ensure accurate genetic testing and reporting for 21-hydroxylase deficiency.
24 citations
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May 2019 in “PLOS genetics” Mutations in the HEPHL1 gene cause abnormal hair and cognitive issues.
August 2025 in “International Journal of Contemporary Pediatrics” HLD10 can include increased body hair and Mongolian spots.