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January 1989 Two patients had a unique form of trichothiodystrophy with reduced high-sulfur proteins in their hair.
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December 2007 in “Journal of biological chemistry/The Journal of biological chemistry” A specific chemical change in the S100A3 protein leads to the formation of a four-part structure important for hair formation.
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February 1991 in “Journal of Biological Chemistry” 76 citations
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December 2011 in “Journal of Cell Science” Different keratin types have unique amino acid patterns that are evolutionarily conserved.
The transporter protein SH1446 in Staphylococcus hominis is key to underarm odor production.
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August 1991 in “American Journal of Medical Genetics” A special diet can fix hair problems in argininosuccinase deficiency.
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September 2007 in “Experimental Dermatology” The outer layer of Merino wool is rich in sulfur proteins, making it resistant to damage.
February 1989 in “PubMed” A genetic hair protein variant is more common in Japanese people and is inherited.
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January 2007 in “中国科学通报:英文版” Women's hair has more sulfur, and black hair has more calcium than white hair.
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January 1971 in “Acta dermato-venereologica” Mice hair follicles take in the amino acid cystine.
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December 1990 in “Journal of Biological Chemistry” Two specific genes are more active during hair growth in mice.
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July 1996 in “Human & Experimental Toxicology” Human enzymes can detoxify harmful substances but might also increase their cancer risk.
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January 1993 in “Dermatology” A rare case of isolated trichothiodystrophy was identified, marked by brittle hair with low sulfur content.
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August 2018 in “Plant physiology” Hydrogen sulfide disrupts protein function and root hair growth in plants by modifying proteins.
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March 2007 in “Journal of Biological Chemistry” QSOX enzymes help form protein bonds in cells, especially in tissues with high secretory activity.
The study identified a key protein involved in producing underarm odor and found ways to inhibit it.
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January 1976 in “Archives of Dermatological Research” Metabolic disorders can cause hair structure defects and growth issues, but amino acid levels in hair remain normal.
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January 1959 in “Canadian Journal of Chemistry” Human and horse hair have similar end groups to wool and feathers.
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January 1981 High temperatures and certain chemicals can significantly change the amino acid content in human hair.
August 2023 in “Dermatology reports” A baby with maple syrup urine disease improved from skin problems by adjusting his diet to correct amino acid levels.
April 2024 in “Current research in nutrition and food science” Taking an amino acid supplement improved skin, hair, and nail health in women.
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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.
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December 1989 in “The Journal of Dermatology” Human hair proteins have similar cysteine and glycine levels to skin proteins.
January 2024 in “JAAD case reports” MSUD patients need careful monitoring of amino acids and zinc to prevent severe symptoms.
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November 1963 in “Journal of Histochemistry & Cytochemistry” Arginine converts to citrulline in hair follicles as proteins harden.
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January 1981 in “Neonatology” Amino acid levels in milk increase with protein and align with key growth stages in Macropus eugenii.
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January 2009 in “Journal of S C C J” Changing disulfide bonds in human hair affects its melting behavior and thermal stability.