76 citations
,
December 2011 in “Journal of Cell Science” Different keratin types have unique amino acid patterns that are evolutionarily conserved.
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.
44 citations
,
May 2008 in “Acta Zoologica” Keratinization in embryos helped vertebrates adapt to land by forming a protective skin barrier.
34 citations
,
September 2007 in “Experimental Dermatology” The outer layer of Merino wool is rich in sulfur proteins, making it resistant to damage.
30 citations
,
March 2019 in “Archives animal breeding/Archiv für Tierzucht” The KRTAP15-1 gene affects cashmere fiber thickness in goats.
28 citations
,
September 2002 in “The Journal of Comparative Neurology” Presynaptic inhibition of certain nerve fibers in cats is mainly controlled by GABA and glycine.
25 citations
,
September 2014 in “SpringerPlus” Sheep have a unique gene, KAP8-2, that humans don't have, which may affect wool properties.
23 citations
,
January 1981 Hair is mostly made of three protein types: helical, high-sulfur, and high-tyrosine.
17 citations
,
September 2000 in “Journal of dermatology” A baby with a rare metabolic disorder developed a rash not cured by zinc alone, likely due to both zinc and amino acid deficiencies.
15 citations
,
October 1976 in “Biochemical Journal” Naked-mouse hair lacks certain proteins and has less soluble fibril.
13 citations
,
December 2011 in “Korean Journal of Food Science and Technology” Black soybean extract helps promote hair growth and could prevent hair loss.
12 citations
,
September 1990 in “The Anatomical Record” Human anagen hair follicles have unique carbohydrate patterns during keratinization.
12 citations
,
August 1984 in “Genetics Research” The N gene affects the protein makeup of mouse hair.
10 citations
,
October 2016 in “Journal of Biomolecular NMR” Solid-state NMR can effectively study keratin structure and treatment effects in fur.
9 citations
,
June 2014 in “Nutrition and Cancer” Eclipta alba extract may work as an anticancer agent and help reverse drug resistance.
9 citations
,
January 2014 in “Molecular Genetics and Metabolism Reports” The rhg mutation in mice affects the Oat gene, causing hair growth issues and other symptoms.
7 citations
,
January 1959 in “Canadian Journal of Chemistry” Human and horse hair have similar end groups to wool and feathers.
5 citations
,
September 2013 in “The Journal of Dermatology” Researchers found a new mutation in the HR gene causing hair loss and skin bumps in a Pakistani family.
4 citations
,
December 2013 in “The Journal of Dermatology” A new mutation in the K6b gene caused a girl's late-appearing nail condition.
4 citations
,
January 2011 in “Annals of Dermatology” Researchers found a new mutation in the HR gene linked to a rare hair loss condition.
4 citations
,
July 2010 in “International Journal of Cosmetic Science” Curved human hair has different structures on its convex and concave sides.
4 citations
,
December 1989 in “The Journal of Dermatology” Human hair proteins have similar cysteine and glycine levels to skin proteins.
2 citations
,
March 2023 in “BMC ecology and evolution” Some hair protein genes evolved early and were adapted for use in hair follicles.
2 citations
,
January 2017 in “Folia biologica” The KRTAP7-1 gene is very similar across different cattle and yak breeds and likely plays a role in hair strength and shape.
2 citations
,
June 2016 in “Journal of Applied Biological Chemistry” Glycine soja extract stimulates hair growth and could help treat hair loss.
2 citations
,
April 2009 in “Bulletin of Experimental Biology and Medicine” Flamena, a liposomal mix, helps skin heal better after a chemical burn.
1 citations
,
November 2023 in “Cosmetics” Surfactants damage hair, but sealing the cuticle can prevent this.
1 citations
,
September 2017 in “Journal of Investigative Dermatology” Backhousia citriodora leaf extract effectively reduces oily skin across different ethnic groups.
1 citations
,
January 1992 in “DNA sequence” Researchers found a non-functional sheep keratin gene due to mutations.
January 2026 in “International Journal of Biological Macromolecules” Keratin in people with androgenetic alopecia shows specific changes that could help develop new treatments.