14 citations
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January 2018 in “Advances in Clinical Chemistry” The document concludes that hormonal biomarkers are key for diagnosing hyperandrogenemia in women and hypogonadism in men.
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.
9 citations
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February 2018 in “Journal of The American Academy of Dermatology” Researchers developed a new method using methylene blue staining to more accurately identify the growth stage of human hair follicles.
3 citations
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May 1990 in “Journal of Steroid Biochemistry” Some women with excess hair growth have a hormone condition that can't be diagnosed by blood or urine tests alone.
17 citations
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February 2018 in “Journal of Investigative Dermatology” PPAR-γ signaling improves mitochondrial function in hair follicles, potentially affecting hair growth and aging.
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.
Polarized microscopy helps identify hair irregularities in genetic disorders.
151 citations
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December 2004 in “Annals of the New York Academy of Sciences” Congenital Adrenal Hyperplasia is a genetic disorder with two forms, causing symptoms like early puberty and severe acne, but can be identified through screening and treated with glucocorticoids.
4 citations
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May 2023 in “Pigment Cell & Melanoma Research” BMI1 is essential for preventing hair greying and maintaining hair color.
18 citations
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February 2006 in “Genomics” A new genetic mutation in mice causes permanent hair loss and skin wrinkling.
54 citations
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January 1995 in “Human Molecular Genetics” Monilethrix is linked to a gene cluster on chromosome 12.
1 citations
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July 2022 in “BMC Women s Health” An ovarian tumor can cause high male hormones in postmenopausal women.
January 1999 in “Journal of Investigative Dermatology” October 2025 in “F1000Research” Postmenopausal women with excess male hormones may have ovarian tumors, and surgery usually cures them.
13 citations
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July 2015 in “Archives of dermatological research” N1-methylspermidine helps hair growth and reduces inflammation in hair follicles.
10 citations
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November 2019 in “Neuroendocrinology” Measuring 17-hydroxyprogesterone in hair can help monitor androgen levels in people with congenital adrenal hyperplasia.
April 2015 in “Journal of Nutritional Therapeutics” Looser dietary restrictions can improve growth and reduce illness in methylmalonic acidemia patients.
1 citations
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July 2007 in “Journal of Investigative Dermatology” The mutation causes hairless mice due to mislocalized and dysfunctional HR protein.
33 citations
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September 2017 in “Journal of Investigative Dermatology” A mutation in the KRT25 gene causes woolly hair and hair loss.
62 citations
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October 1999 in “Journal of Investigative Dermatology” New mutations in hair keratin genes can change hair structure and cause monilethrix, with nail issues more common in certain gene mutations.
7 citations
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October 2019 in “Case reports in endocrinology” A young woman's symptoms suggested PCOS, but tests and surgery confirmed and treated a rare ovarian tumor, resolving her condition.
1 citations
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January 2013 in “Nasza Dermatologia Online” Vitamin B12 deficiency can cause reversible hair color loss in children.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Blocking a key energy pathway in human hair follicles can trigger stress responses that stop cell growth.
12 citations
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December 2016 in “PubMed” Hirsutism involves excessive hair growth due to hormonal issues and can be treated with medication or surgery.
February 2026 in “Pediatric Dermatology”
6 citations
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April 2019 in “Journal of Pediatric Endocrinology and Metabolism” Metformin improved menstrual cycle regularity and signs of hyperandrogenism in adolescent girls with type 1 diabetes but did not improve blood sugar control.
4 citations
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January 1989 in “Journal of Steroid Biochemistry” Women with hyperandrogenism have higher androgen levels and lower SHBG, which may contribute to conditions like excessive hair growth and early puberty.
September 2017 in “Fertility and sterility” Vietnamese women with PCOS tend to be younger, have larger waists, higher AMH levels, and more body hair than those without PCOS.
January 2024 in “Updates in clinical dermatology” September 1976 in “PubMed” Hirsutism is excessive male-pattern hair growth mainly caused by ovarian hormones, and severe cases may require costly treatment with side effects.