52 citations
,
February 1986 in “Journal of Histochemistry & Cytochemistry” Some hair proteins are specific to hair, while others are also found in skin cells.
52 citations
,
April 2012 in “Journal of Investigative Dermatology” KRTAP2 genes are crucial for hair structure and may impact hair disorders and treatments.
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.
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.
27 citations
,
June 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” The study found that variations in hair protein genes are likely due to evolutionary deletions or duplications.
11 citations
,
May 2013 in “Journal of Investigative Dermatology” KRTAP10 proteins help form the hair shaft's tough outer layer by interacting with specific hair keratins.
27 citations
,
January 1995 Melanin in black hair protects it from sun damage better than light-brown hair.
9 citations
,
February 2016 in “Anatomical Science International” Hair proteins change location and structure as hair cells mature.
7 citations
,
April 1996 in “British Journal of Dermatology” Hair structural proteins are synthesized sequentially in specific cells, offering a new way to study hair proteins and defects.
2 citations
,
August 1987 in “Analytical Biochemistry” A new method isolated previously undetected hair proteins rich in glycine and tyrosine.
27 citations
,
April 2018 in “Artificial Cells Nanomedicine and Biotechnology” Recombinant human hair keratin proteins can effectively stop bleeding.
11 citations
,
January 1989 Two patients had a unique form of trichothiodystrophy with reduced high-sulfur proteins in their hair.
19 citations
,
March 1961 in “Nature” A fatty acid/protein complex in human hair helps protect it from damage.
18 citations
,
July 2015 in “Journal of cosmetic dermatology” Straightening and coloring hair, especially with sodium hydroxide, greatly increases protein loss.
47 citations
,
July 1967 in “Science” Not eating enough protein can cause hair roots to shrink and lose color, and hair to become thinner.
June 2023 in “Hanguk ingeurie hakoeji” Eating fermented protein made from black bean powder twice a day for 60 days improved hair density but not scalp condition or hair thickness.
May 2012 in “F1000Research” Proteins released by cells can promote hair growth in people.
54 citations
,
January 2013 in “Journal of Biological Macromolecules” A new method effectively separates keratin-associated proteins and keratin from human hair.
11 citations
,
January 1987 in “Electrophoresis” Keratin proteins are consistent across different hair types from the same person.
40 citations
,
April 1999 in “Journal of Histochemistry & Cytochemistry” S100A3 protein is mainly found in specific parts of human hair cells.
6 citations
,
April 2005 in “Journal of dermatological science” The study found nine new hair protein genes in human hair follicles.
19 citations
,
July 2012 in “Biotechnic & Histochemistry” Less AgNOR protein production is linked to hair loss.
11 citations
,
January 2000 in “Journal of cosmetic science” Hydrolyzed wheat proteins penetrate all hair types effectively.
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.
70 citations
,
June 1998 in “Polymer” Permanent waving damages hair by disrupting its keratin structure.
3 citations
,
August 2018 in “Journal of Structural Biology” KAP8.1 protein is crucial for hair structure and interacts with keratin 85.
43 citations
,
September 2009 in “Stem Cells” A nonviral method was developed to label and culture human hair follicle stem cells.
14 citations
,
February 2011 in “Experimental dermatology” A protein called COMP is part of the connective tissue in normal human hair follicles and may be important for hair health.
24 citations
,
April 2006 in “Journal of the American Academy of Dermatology” Heat shock protein 27 is more present in the active growth phase of human scalp hair follicles.
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.