research Effects of the Usage of l-Cysteine (l-Cys) on Human Health
L-Cysteine may have health benefits, but its effectiveness is still debated due to limited clinical trial data.
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research 190 Deficiency of the Human Cysteine Protease Inhibitor Cystatin M/E Causes Hypotrichosis and Dry Skin
Not having enough cystatin M/E protein causes less hair growth and dry skin.
research CERTAIN PHASES OF SULFUR METABOLISM OF THE SKIN
Cystine is crucial for forming keratin in hair, wool, and nails.
research iε-(γ-Glutamyl) lysine cross-linkage in citrulline-containing protein fractions from hair
Specific cross-linkages help make hair proteins stable and strong.
research Arginosuccinicaciduria
The girl had a rare disorder causing mental and physical symptoms, with weak hair and unclear neurological issues.
research L-Ornithine ketoacid-transaminase assay in hair roots of homozygotes and heterozygotes for gyrate atrophy
research Cysteine Prevents the Reduction in Keratin Synthesis Induced by Iron Deficiency in Human Keratinocytes
Cysteine helps maintain keratin production in skin cells even when iron is low.
research The occurrence of the ε-(γ-glutamyl)lysine cross-link in the medulla of hair and quill
research A prospective real-world study evaluating serum levels of arginine and cysteine in women with chronic telogen effluvium: do we really need blanket prescription of amino acid supplementation?
Amino acid supplements may not be necessary for all women with chronic hair loss.
research Two Hypomorphic Alleles of Mouse Ass1 as a New Animal Model of Citrullinemia Type I and Other Hyperammonemic Syndromes
Researchers created a new mouse model for studying Citrullinemia Type I and similar conditions, showing symptoms and treatment responses like those in humans.
research Reduction mechanism of L ‐cysteine on keratin fibers using microspectrophotometry and Raman spectroscopy
L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
research STUDY ON EXTRACTION OF L-CYSTINE BY ACID-HYDROLYSIS OF HAIRS
research S3507 GI Bleed Leading to Discovery of Hereditary Hemochromatosis
Early diagnosis and treatment of hereditary hemochromatosis can prevent serious complications.
research The Enzymic Derivation of Citrulline Residues from Arginine Residues In Situ during the Biosynthesis of Hair Proteins that are Cross-Linked by Isopeptide Bonds
Hair follicles have an enzyme that converts arginine to citrulline in proteins.
research A null mutation in the cystatin M/E gene of ichq mice causes juvenile lethality and defects in epidermal cornification
A gene mutation in mice causes skin defects and early death.
research Clinical and Laboratory Characteristics of Individuals Aged ≤17 Years With Homeostatic Iron Regulator (HFE) p.C282Y Homozygosity, a Common Hemochromatosis Genotype
Most children with a common hemochromatosis genotype had elevated iron levels but no severe symptoms.
research Uptake and Utilisation of Amino Acids by Human Hair Follicles and Related Cells
Cysteine and arginine are essential for hair growth and thickness.
research Hair as an Index of Protein Malnutrition
Hair cystine levels may indicate protein malnutrition, but more research is needed.
research The effect of active hexose correlated compound in modulating cytosine arabinoside-induced hair loss, and 6-mercaptopurine- and methotrexate-induced liver injury in rodents
AHCC reduces hair loss and liver injury caused by chemotherapy in rodents.
research Сечова кислота в житті чоловіка
High uric acid can cause health problems, but lifestyle changes can help manage it.
research Two Different Mutations in the Same Codon of a Type II Hair Keratin (hHb6) in Patients with Monilethrix
Mutations in the hHb6 gene cause the hair disorder monilethrix.
research Application of XANES profiles to X-ray spectromicroscopy for biomedical specimens: Part II. Mapping oxidation state of cysteine in human hair
Perming and bleaching damage hair differently, with bleached hair having more cysteic acid in the cuticle.
research Comment on 'A prospective real world study evaluating serum levels of arginine and cysteine in females with chronic telogen effluvium: do we really need blanket prescription with amino acid supplementation?'
Amino acid supplements may not be necessary for all women with chronic hair loss.
research Congenital Copper Deficiency: Copper Therapy and Dopamine‐β‐Hydroxylase Activity in the Mottled (Brindled) Mouse
Copper therapy improved health and enzyme activity in mice with copper deficiency.
research Biallelic HEPHL1 variants impair ferroxidase activity and cause an abnormal hair phenotype
Mutations in the HEPHL1 gene cause abnormal hair and cognitive issues.
research A Sensitive Assay for the Enzyme Activity in Hair Follicles and Epidermis that Catalyses the Peptidyl-Arginine-Citrulline Post-translational Modification
A more sensitive assay was developed to detect enzyme activity converting arginine to citrulline in hair follicles.
research Case of Cronkhite Canada syndrome shows improvement with enteral supplements.
Enteral supplements can improve symptoms of Cronkhite-Canada syndrome.
research Isolation and characterization of genomic clones of human sequences presumably coding for hair cysteine-rich proteins
A new protein linked to hair strength was identified, aiding in understanding brittle hair conditions.
research Utilization of L-Cystine and L- and D-Methionine by Mink during the Period of Intensive Hair Growth
Mink use L-methionine and L-cystine slightly better than natural amino acids for hair growth, but D-methionine is not effective.
research Action of Nucleophilic Reagents on Hair Keratin
Nucleophilic reagents break down hair keratin, forming more lanthionine and lysinoalanine than in wool.