25 citations
,
September 2014 in “SpringerPlus” Sheep have a unique gene, KAP8-2, that humans don't have, which may affect wool properties.
September 2025 in “International Journal of Cosmetic Science” Heat and UV exposure damage hair structure by altering keratins.
18 citations
,
January 1978 in “Advances in experimental medicine and biology” Hair cystine levels may indicate protein malnutrition, but more research is needed.
38 citations
,
May 2000 in “Livestock production science” Giving high-quality protein or methionine supplements helps improve hair growth in Angora goats and, to a lesser extent, in Cashmere goats.
23 citations
,
January 1981 Hair is mostly made of three protein types: helical, high-sulfur, and high-tyrosine.
3 citations
,
January 2019 in “International Journal of Trichology” The balance of thiol-disulfide in women with hair loss is affected but not damaged.
226 citations
,
January 2006 in “International review of cytology” Keratin-associated proteins are crucial for hair strength and structure.
51 citations
,
January 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.
26 citations
,
January 2011 in “Open Journal of Genetics” The KAP13-3 gene in sheep affects wool quality by influencing keratin assembly.
October 2024 in “Cosmetics” ATG effectively reduces hair frizz without damaging hair strength.
1 citations
,
March 2023 in “Journal of Natural Fibers” A gentler, less damaging method for curling hair using tyrosine works well initially but fades after washing.
119 citations
,
August 2008 in “BMC Evolutionary Biology” KRTAP genes evolved early in mammals, leading to diverse hair traits.
68 citations
,
January 2022 in “International Journal of Molecular Sciences” PCOS management includes lifestyle changes and medications, with ongoing research into repurposed drugs for better treatment options.
January 2013 in “Transactions of the Materials Research Society of Japan” CMADK reduces hair damage from bleaching and permanent waving.
4 citations
,
November 1968 in “Textile research journal” Hair fibers may have a unique, non-protein sheath not previously identified.
83 citations
,
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.
11 citations
,
February 2018 in “Amino acids” Copper and iron cause keratin damage in hair by converting methionine to homocysteine.
1 citations
,
December 2021 in “International journal of research in dermatology” Dermatologists should learn more about shampoos to better treat hair and scalp issues.
5 citations
,
February 2015 in “Journal of Bio- and Tribo-Corrosion” Plasma jet treatments can clean hair and might replace peroxide for hair care.
178 citations
,
October 2001 in “Genes & Development” The mutated hairless gene causes hair loss by acting as a new type of corepressor affecting thyroid hormone receptors.
2 citations
,
June 2022 in “Revista de la Asociación Colombiana de Dermatología y Cirugía Dermatológica” Understanding cultural hair care practices is essential for improving hair health in the African American population.
February 2025 in “Journal of Nutrients” Bone broth may improve health and prevent diseases.
43 citations
,
May 1999 in “Journal of Biological Chemistry” Agouti protein affects melanocortin receptors through competitive antagonism and receptor down-regulation.
December 2025 in “Rapid Communications in Mass Spectrometry” Pepsin digestion improves accuracy in analyzing proteins in human hair.
The agouti gene may help understand and treat obesity.
6 citations
,
December 2019 in “International Journal of Cosmetic Science” White hair has weaker tryptophan fluorescence than other unpigmented fibers, possibly due to UV exposure or unknown substances.
51 citations
,
September 2012 in “Gene” The research identified a gene in sheep important for wool quality, which could help improve wool traits.
32 citations
,
November 1998 in “Journal of Biological Chemistry” Mouse and human keratin 16 can both form filaments, with differences likely due to the tail domain, not the helical domain.
52 citations
,
May 2006 in “Journal of Structural Biology” Keratin-associated proteins help link filaments and affect keratin's strength.
58 citations
,
February 2013 in “Journal of Biological Chemistry” LGR5 mainly stays inside cells, moving to the trans-Golgi network, and this process is important for its role in cell signaling.