68 citations,
February 2011 in “European Journal of Pharmaceutics and Biopharmaceutics” Keratin films from human hair can potentially replace human nail plates for drug testing.
65 citations,
September 2014 in “BMC genomics” Different hair types in mammals are linked to variations in specific protein genes, with changes influenced by their living environments.
64 citations,
January 2010 in “The FASEB Journal” Prolactin affects the production of different keratins in human hair, which could lead to new treatments for skin and hair disorders.
62 citations,
October 2018 in “Journal of pathology” Keratin 17 is linked to various diseases, including cancer and skin conditions, and may be a target for diagnosis and treatment.
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.
60 citations,
November 2013 in “Development” Keratin 79 marks a new group of cells that are key for creating and repairing the hair follicle's structure.
54 citations,
March 2009 in “BioEssays” Hormones control keratin production in skin and hair.
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.
53 citations,
September 1999 in “The journal of cell biology/The Journal of cell biology” K16 can partially replace K14 but causes hair loss and skin issues.
52 citations,
February 2005 in “Biopolymers” Chemical hair straightening changes hair proteins and mostly fixes broken bonds.
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.
49 citations,
April 2010 in “International Journal of Cosmetic Science” Hair ages as the cuticle wears down, especially beyond 1 meter from the root, affecting its strength and shine.
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.
47 citations,
January 2017 in “RSC Advances” Keratin peptides can change hair shape gently without harsh chemicals.
45 citations,
December 2007 in “The FASEB journal” There are two types of stem cells in rodent hair follicles, each with different keratin proteins.
42 citations,
January 2017 in “Genes” The gene KAP22-1 affects wool yield and fiber shape in sheep.
42 citations,
October 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Mutations in the KRT85 gene cause hair and nail problems.
40 citations,
July 2015 in “Journal of Cellular Biochemistry” Cysteine helps maintain keratin production in skin cells even when iron is low.
40 citations,
June 2013 in “Journal of cosmetic dermatology” Brazilian keratin treatments can straighten hair but may contain harmful formaldehyde.
38 citations,
October 2011 in “Analytical biochemistry” Hair proteins have weak spots in their α-helical segments.
36 citations,
January 2004 in “European journal of cell biology” Without keratin 10, there's more growth and development of oil-producing skin cells.
35 citations,
June 2012 in “PloS one” Keratin 15 expression in skin cells is regulated by two mechanisms involving PKC/AP-1 and FOXM1.
34 citations,
August 1966 in “Experimental cell research” Keratin fibrils in hair form and stop growing at specific points in the follicle.
32 citations,
April 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” Loss of keratin K2 causes skin problems and inflammation.
30 citations,
December 2011 in “Journal of biological chemistry/The Journal of biological chemistry” Keratin 17 is modified by RSK1 in response to growth and stress, affecting skin growth and stress response.
29 citations,
November 2011 in “Veterinary pathology” The study found that mouse sweat glands develop before birth, mature after birth, and have specific keratin patterns.
29 citations,
August 2005 in “Biopolymers” L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
27 citations,
November 2007 in “Genomics” Mutations in specific keratin genes cause improper hair structure in mice due to faulty keratin protein assembly.
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.
27 citations,
September 2017 in “Journal of Medicinal Food” Annurca apple supplement safely increases hair growth and keratin in humans.