98 citations
,
June 2001 in “Journal of biological chemistry/The Journal of biological chemistry” A cluster of sulfur-rich hair protein genes was found on chromosome 17.
62 citations
,
January 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” A second domain of high sulfur KAP genes on chromosome 21q23 is crucial for hair structure.
48 citations
,
November 2002 in “Journal of biological chemistry/The Journal of biological chemistry” Genetic variations in hair keratin proteins exist but don't significantly affect hair structure.
February 1989 in “PubMed” A genetic hair protein variant is more common in Japanese people and is inherited.
9 citations
,
February 2016 in “Anatomical Science International” Hair proteins change location and structure as hair cells mature.
1 citations
,
February 1989 in “PubMed” Electrophoresis can effectively analyze hair proteins for forensic use, even after cosmetic treatments and up to 2 years of weathering.
26 citations
,
December 1990 in “Journal of Biological Chemistry” Two specific genes are more active during hair growth in mice.
1 citations
,
February 1991 in “Journal of Biological Chemistry” 24 citations
,
February 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Two new proteins, hKAP1.6 and hKAP1.7, are found in the hair follicle cortex.
June 1996 in “Journal of Dermatological Science” January 2010 in “Acta Laboratorium Animalis Scientia Sinica” The UHS promoter is specific to mouse hair follicles.
53 citations
,
June 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” KAP genes show significant genetic variability, but its impact on hair traits is unclear.
34 citations
,
January 2004 in “Genomics” A cluster of 21 keratin-associated protein genes important for hair growth was found on human chromosome 21.
226 citations
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January 2006 in “International review of cytology” Keratin-associated proteins are crucial for hair strength and structure.
April 2020 in “International Journal of Cosmetic Science” The study found that minor protein differences between curved and straight Japanese hair are unlikely to significantly affect hair structure.
5 citations
,
January 1990 in “Journal of Society of Cosmetic Chemists of Japan” Permanent wave lotion can extract proteins from hair, especially when pH is higher, and repeated treatments or bleaching can damage hair.
34 citations
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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.
July 2005 in “HortScience” Adding wool or hair waste to soil boosts crop yields and nutrient levels.
42 citations
,
September 1985 in “British Journal of Dermatology” Trichothiodystrophy causes abnormal protein deposits and distortion in hair follicles.
48 citations
,
January 2002 in “Journal of Structural Biology” Trichocyte filaments have a low-density core and may include proteins for hair structure.
17 citations
,
April 1990 in “Environmental Research” Methylmercury accumulates in mouse hair during growth, then decreases when growth stops.
11 citations
,
September 1996 in “Journal of applied polymer science” Potassium cyanide treatment changes hair's disulfide bonds, making it more elastic.
2 citations
,
September 1996 in “Journal of Applied Polymer Science” Potassium cyanide changes hair's disulfide bonds to monosulfide, affecting high-sulfur proteins more.
2 citations
,
July 1994 in “Journal of Dermatological Science” Grafted human scalp samples on mice can produce human hair, useful for studying hair genetics.
5 citations
,
January 1981 Keratin proteins in hair are complex and come from multiple gene families.
27 citations
,
April 2004 in “Biochemical and Biophysical Research Communications” Two new gene clusters important for hair formation were found on human chromosome 11.
1 citations
,
May 2004 in “Biochemical and Biophysical Research Communications” Two new gene clusters important for hair formation were found on human chromosome 11.
10 citations
,
December 2001 in “PubMed” The conclusion is that substances can penetrate hair fibers through multiple pathways, including both the cell membrane complex and the non-keratinous parts.
5 citations
,
February 1998 in “Polymer” Human hair keratin has a 40% α-helix structure that changes to a random coil in 8 M urea.
15 citations
,
January 1981 in “Neonatology” Amino acid levels in milk increase with protein and align with key growth stages in Macropus eugenii.