1 citations
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August 2012 in “Journal der Deutschen Dermatologischen Gesellschaft” A woman's hyperandrogenism was caused by a genetic mutation leading to non-classic adrenogenital syndrome.
10 citations
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January 2003 in “Dermatology” The E413K mutation in the hHb6 gene causes monilethrix, a hair disorder, but doesn't show consistent symptoms.
20 citations
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December 2012 in “Journal of molecular structure” The study found that thioglycolic acid breaks down hair bonds more consistently than l-cysteine, which is less damaging to hair.
March 2021 in “Juniper Online Journal Material Science” Energy healing treatment improved L-cysteine's stability, solubility, bioavailability, and shelf-life.
November 2012 in “Experimental and Clinical Endocrinology & Diabetes” A new genetic mutation causes severe Leydig cell hypoplasia, affecting sexual development.
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.
2 citations
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January 1981 High temperatures and certain chemicals can significantly change the amino acid content in human hair.
32 citations
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December 1965 in “The Lancet” Argininosuccinic aciduria can cause hair loss.
1 citations
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April 2022 in “The Journal of Urology” Both penicillamine and tiopronin have significant side effects, but trying the alternative drug can be beneficial if the first is not tolerated.
December 2025 in “Universal library of medical and health sciences.” Amino acids like arginine and cysteine protect hair during chemical treatments, keeping it strong and less brittle.
17 citations
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January 2015 in “JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH” Cronkhite-Canada syndrome is a rare, non-inherited condition causing various symptoms like polyps, hair loss, and weight loss.
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.
Hair cortisol may help identify adrenal insufficiency in sickle cell disease patients.
6 citations
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November 2018 in “Case reports in nephrology and dialysis” Rituximab may be an effective treatment for Cronkhite-Canada syndrome with kidney disease.
15 citations
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August 2013 in “Gene” The MTHFR C677T mutation may increase the risk of alopecia areata in the Turkish population.
5 citations
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March 2021 in “F1000Research” A specific gene variation increases the risk of high uric acid and cholesterol in young Mexican males.
48 citations
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July 1996 in “Human & Experimental Toxicology” Human enzymes can detoxify harmful substances but might also increase their cancer risk.
37 citations
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February 2005 in “Journal of Investigative Dermatology” Overexpression of SSAT causes hair loss and skin issues, but reducing putrescine can help.
217 citations
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February 2009 in “The FASEB Journal” Gray hair is caused by hydrogen peroxide buildup, which damages hair color repair.
74 citations
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October 2012 in “The American Journal of Human Genetics” Mutations in the HOXC13 gene cause hair and nail development issues.
28 citations
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July 1980 in “British Journal of Dermatology” The hair disorder was caused by abnormal protein formation, making hair easily damaged.
April 2023 in “Journal of Investigative Dermatology” Trichohyalin in hair can trigger immune attacks in alopecia areata.
113 citations
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June 2010 in “Biological Chemistry” Cathepsin L deficiency causes large, abnormal cell structures and health issues in mice.
4 citations
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December 1962 in “European journal of endocrinology” Alloxan diabetes, methylthiouracil, cortisone, and adrenaline affect how white mice hair follicles use glucose and cystine and their cell division.
55 citations
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November 2018 in “American journal of human genetics” Mutations in the LSS gene cause a rare type of hereditary hair loss.
September 1997 in “Clinical and Experimental Dermatology” 11 citations
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November 1991 in “Journal of Neuropathology & Experimental Neurology” Brindled mice show abnormal catecholamine neuron development due to copper deficiency.
April 2010 in “The FASEB Journal” Knockout mice showed anemia and hair loss, suggesting other ways exist for iron absorption.
October 2024 in “Journal of the Endocrine Society” Certain genetic variants reduce enzyme activity, contributing to non-classic congenital adrenal hyperplasia.
December 2019 in “The American Journal of Gastroenterology” Small bowel lesions in Cronkhite-Canada syndrome persist despite steroid treatment.