The GG genotype of the KRT71 gene leads to longer wool in Gansu alpine fine-wool sheep.
45 citations
,
January 1986 8 citations
,
May 2020 in “International journal of biological macromolecules” Certain treatments can increase protein binding to natural hair but are less effective on permed hair.
7 citations
,
September 2020 in “International Journal of Cosmetic Science” Different sizes of keratin peptides can strengthen hair, with smaller ones possibly increasing volume and larger ones repairing damage.
April 2024 in “Advances in Redox Research” Human hair strength and health are linked to sulfur compounds that can be reduced by stress but improved with sulfur supplements.
9 citations
,
September 2019 in “PLoS ONE” K42 and K124 keratins are only found in horse hoof lamellae.
28 citations
,
June 2012 in “International Journal of Molecular Medicine” Radiation damages hair stem cells and changes keratin expression, with Krt5 as a potential marker for radiation effects.
93 citations
,
July 2006 in “Journal of Investigative Dermatology” K25, K27, and K28 are found in all inner root sheath layers of hair, while K26 is only in the cuticle.
47 citations
,
July 1998 in “Journal of Investigative Dermatology” A new mutation, Glu402Lys, in hair keratin is linked to variable symptoms of monilethrix.
92 citations
,
April 1999 in “The journal of investigative dermatology/Journal of investigative dermatology” Nonpalmoplantar skin cells can be made to express keratin 9 by interacting with palmoplantar fibroblasts.
86 citations
,
May 2002 in “Journal of Investigative Dermatology” A new keratin, hK6irs1, is found in all layers of the hair follicle's inner root sheath.
72 citations
,
August 2014 in “Genome Biology and Evolution” Feather diversity is due to different keratin gene combinations, and chickens can help study human keratin diseases.
38 citations
,
December 2006 in “Journal of Investigative Dermatology” Keratin patterns in hair follicles help understand hair growth and potential hair and nail disorders.
2 citations
,
March 2023 in “BMC ecology and evolution” Some hair protein genes evolved early and were adapted for use in hair follicles.
December 2025 in “The Journal of Cell Biology” Keratin 15 helps maintain skin cell growth and repair.
YH0618 helps reduce chemotherapy-induced hair loss by targeting specific proteins and pathways.
December 2023 in “The journal of physical chemistry. B (1997 : Online)” Human hair keratin might be good for filtering out harmful substances from water.
387 citations
,
November 2003 in “Journal of Investigative Dermatology” The K15 promoter effectively targets stem cells in the hair follicle bulge.
130 citations
,
April 2003 in “Journal of Investigative Dermatology” Four specific keratins in hair follicles help understand hair structure and function.
22 citations
,
January 1990 June 2025 in “Advances in Clinical and Experimental Medicine” Keratin biomaterials could help heal wounds and regenerate tissue, but more testing is needed.
198 citations
,
October 1986 in “Differentiation” 143 citations
,
January 2012 in “Cell and Tissue Research” 79 citations
,
October 1998 in “Genomics” Mouse keratin 6 genes evolved independently from human ones and are regulated differently.
66 citations
,
February 2013 in “PeerJ” Activating cannabinoid receptor 1 reduces certain keratin levels, potentially aiding psoriasis treatment.
11 citations
,
January 2016 in “International Journal of Biological Macromolecules” Enzymatic phosphorylation of hair keratin improves the effectiveness of hair products with cationic ingredients.
1 citations
,
January 1989 in “Springer eBooks” March 2026 in “International Journal of Cosmetic Science” Pal-KCV peptide strengthens hair and reduces breakage by up to 52%.
90 citations
,
February 2001 in “The journal of investigative dermatology/Journal of investigative dermatology” Interleukin-1 increases keratin K6 production in skin cells.
1 citations
,
October 2022 in “Bioengineering” Keratin helps skin cells mature when added to a collagen mix, which could be important for skin and hair health.