226 citations
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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.
81 citations
,
March 1985 in “Journal of Clinical Investigation” Measuring 24-OHase induction helps identify defects in vitamin D processing and predict treatment response.
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.
19 citations
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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.
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.
119 citations
,
August 2010 in “Journal of Investigative Dermatology” Increased 11β-HSD1 activity in skin may contribute to aging and could be targeted to reduce aging effects.
18 citations
,
December 2010 in “The Journal of Steroid Biochemistry and Molecular Biology” Increased HSD11B1 enzyme expression is linked to higher body fat and insulin resistance.
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.
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.
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.
140 citations
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April 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzyme 25 Hydroxyvitamin D 1 α-Hydroxylase is essential for healthy skin and recovery after skin damage.
3 citations
,
January 2017 in “Yonsei Medical Journal” Blocking 11β-HSD1 can lessen the harmful effects of glucocorticoids on hair growth cells.
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.
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.
11 citations
,
October 2002 in “The Journal of Clinical Endocrinology & Metabolism” Enzyme activities do not cause early pubic hair in these girls.
2 citations
,
January 2017 in “Case reports in endocrinology” Ashwagandha root improved symptoms of nonclassic 11-hydroxylase deficiency in an elderly woman.
94 citations
,
July 2020 in “European Journal of Human Genetics” The guidelines ensure accurate genetic testing and reporting for 21-hydroxylase deficiency.
24 citations
,
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.
September 2025 in “JCEM Case Reports” Consider rare forms of CAH for accurate diagnosis and treatment.
A new mutation in the CYP11B1 gene was found in a woman with mild hyperandrogenemia, a rare cause of non-classic congenital adrenal hyperplasia.
91 citations
,
March 2021 in “Molecular and Cellular Endocrinology” CYP11A1 is crucial for skin health and disease by producing important steroids.
845 citations
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February 2001 in “The Journal of Clinical Endocrinology & Metabolism” The enzyme for activating vitamin D is found in many body tissues, not just the kidneys.
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.
Low-dose glucocorticoid treatment improves pregnancy and birth rates in women with nonclassical 21-hydroxylase deficiency.
2 citations
,
January 1975 in “Archives of Dermatological Research” Certain enzymes react strongly with some hormones in rat skin during hair growth, mainly in sebaceous glands and hair sheaths.
November 2022 in “Journal of the Endocrine Society” Estrogen deficiency can reduce the enzyme activity needed to activate vitamin D.
Blocking 11β-HSD1 reduces stress hormone damage in hair growth cells.
47 citations
,
February 1998 in “Journal of bone and mineral research” A specific gene mutation causes vitamin D-resistant rickets and hair loss.
1 citations
,
September 2017 in “Journal of Investigative Dermatology” Blocking a specific enzyme can reduce the negative impact of stress hormones on hair growth cells.