10 citations
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November 2018 in “Genetics in medicine” Lack of cystatin M/E causes thin hair and dry skin.
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Not having enough cystatin M/E protein causes less hair growth and dry skin.
26 citations
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January 1983 in “PubMed” Trichothiodystrophy involves brittle hair due to low sulfur amino acids, not a transport defect.
Skin tumor cells in patients with tuberous sclerosis have higher levels of a protein called cathepsin B.
100 citations
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March 2006 in “Journal of biological chemistry/The Journal of biological chemistry” Cystatin M/E strongly inhibits cathepsin V and cathepsin L, important for skin formation.
15 citations
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October 1936 in “Archives of Dermatology” Cystine is crucial for forming keratin in hair, wool, and nails.
75 citations
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March 2018 in “Molecules/Molecules online/Molecules annual” L-Cysteine may have health benefits, but its effectiveness is still debated due to limited clinical trial data.
5 citations
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October 2021 in “American Journal of Medical Genetics Part A” A new genetic variant causes BRESHECK syndrome by disrupting cell growth and stress response.
13 citations
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January 2013 in “Applied and Environmental Microbiology” A gene in Sebekia benihana, CYP-sb21, is needed for a specific reaction on the drug Cyclosporine A, which could be important for hair growth without affecting the immune system.
83 citations
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July 2008 in “Current Opinion in Chemical Biology” The document concludes that understanding sulfation biology is crucial for creating treatments due to its importance in biological functions and disease.
May 2010 in “Europe PMC (PubMed Central)” Near-infrared probes can safely and effectively image cysteine protease activity for disease diagnosis.
1 citations
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January 1971 in “Acta dermato-venereologica” Mice hair follicles take in the amino acid cystine.
113 citations
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June 2010 in “Biological Chemistry” Cathepsin L deficiency causes large, abnormal cell structures and health issues in mice.
March 1990 in “Journal of Dermatological Science”
Lysine carboxymethyl cysteinate (LCC) protects skin from UVB damage by activating autophagy.
29 citations
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August 2005 in “Biopolymers” L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
2 citations
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August 2022 in “World Journal of Clinical Cases” Albumin and prednisone improved symptoms in a woman with Cronkhite-Canada syndrome, revealing potential genetic causes.
3 citations
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January 2021 in “Molecular genetics & genomic medicine” The study found two new mutations in a Chinese patient with severe biotinidase deficiency.
10 citations
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May 1974 in “American journal of diseases of children” The girl had a rare disorder causing mental and physical symptoms, with weak hair and unclear neurological issues.
February 2026 in “UiTM Institutional Repositories (Universiti Teknologi MARA)” Cis-UCA can form new compounds without enzymes, and sulphide donors reduce its UVB-induced toxicity in skin cells.
451 citations
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March 2005 in “Endocrine Reviews” The enzyme steroid sulfatase is linked to breast cancer and other conditions, and inhibitors are being developed for treatment.
305 citations
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March 2008 in “AJP Endocrinology and Metabolism” SSAT is a key enzyme affecting cell growth and metabolism, with potential but risky use in disease treatment.
12 citations
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February 2023 in “Applied and Environmental Microbiology” Mutants of CYP154C2 enzyme significantly improved steroid conversion efficiency.
January 2008 in “Chinese Journal of Spectroscopy Laboratory” Cysteine formation on hair indicates damage, best detected at pH 4.5.
18 citations
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June 2016 in “Clinical and Experimental Dermatology” Increasing isoleucine intake improved skin and health issues in an infant with maple syrup urine disease.
40 citations
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July 2015 in “Journal of Cellular Biochemistry” Cysteine helps maintain keratin production in skin cells even when iron is low.
1 citations
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January 1992 in “DNA sequence” Researchers found a non-functional sheep keratin gene due to mutations.
111 citations
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August 2002 in “Journal of Medicinal Chemistry” New compounds were made that block an enzyme linked to breast cancer better than existing treatments.
1 citations
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August 2023 in “The journal of pharmacology and experimental therapeutics/The Journal of pharmacology and experimental therapeutics” Kir6.1 mutations in Cantú syndrome increase channel sensitivity and hyperpolarization, while SUR2B mutations do not.
56 citations
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October 2007 in “Journal of Biological Chemistry” Cathepsin L is essential for heart health and its absence causes heart problems and hair loss.