17 citations
,
February 2015 in “Experimental Dermatology” Keratins are crucial for hair strength, and mutations in certain keratin genes cause hair disorders.
44 citations
,
March 2019 in “Experimental Dermatology” A wide range of proteins are integrated into the skin's protective layer.
56 citations
,
January 1977 135 citations
,
November 1987 in “Differentiation” Outer root sheath cells consistently express certain keratins influenced by their environment.
December 2025 in “Frontiers in Veterinary Science” Key genes like KRT27 and IGF-2 are crucial for hair follicle development in Qianhua Mutton Merino sheep.
32 citations
,
October 1985 in “Annals of the New York Academy of Sciences” Keratin genes help explain how hair and feathers develop differently in mammals and birds.
2 citations
,
July 2024 in “Frontiers in Veterinary Science” Apoptosis and ribosomal proteins are key in hair follicle cycle changes in cashmere goats.
11 citations
,
January 2006 in “Journal of the American Leather Chemists Association” Oxidizing agents break down keratin in wool and hair, causing swelling and increased solubility.
272 citations
,
September 2001 in “Journal of Biological Chemistry” Human hair keratins were cataloged, showing their roles in hair differentiation stages.
November 2025 in “Frontiers in Cell and Developmental Biology” The study maps goat hair follicle cells, revealing key genes and pathways involved in hair growth and cell death.
19 citations
,
April 2015 in “International Journal of Molecular Sciences” The research identified genes and pathways important for sheep wool growth and shedding.
March 1998 in “Journal of Dermatological Science” Keratin-associated proteins may have roles in various mouse tissues, not just hair.
15 citations
,
January 2012 in “Journal of Veterinary Science” Different dog breeds have varying skin thickness and protein expression in their skin.
April 2021 in “Indian Journal of Animal Research” Goat skin has collagen, elastic, and reticular fibers, with hair follicles increasing in depth as goats age.
27 citations
,
April 2018 in “Artificial Cells Nanomedicine and Biotechnology” Recombinant human hair keratin proteins can effectively stop bleeding.
October 2023 in “Materials chemistry and physics (Print)” Adding keratin to a mix of cow hair and plant-based plastic makes it stronger.
27 citations
,
November 1991 in “Journal of Investigative Dermatology” March 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Beard hair medulla cells have a unique and varied keratin pattern.
5 citations
,
January 1979 in “Archives of Dermatological Research”
14 citations
,
April 2000 in “Animal Science/Animal science” Nutrients like vitamins, copper, zinc, and amino acids are crucial for healthy hair and wool growth.
39 citations
,
February 1990 in “The journal of cell biology/The Journal of cell biology” Trichohyalin, a hair follicle protein, has a part with repeating patterns of 23 amino acids.
25 citations
,
December 1973 in “Biochemical Journal” Guinea-pig hair and follicle proteins are mostly similar, but follicles have more group 2 proteins and fewer group 3 and 4 proteins.
3 citations
,
December 2021 in “Materials today communications” A new film made from human hair supports skin cell growth better than collagen.
54 citations
,
January 2013 in “Journal of Biological Macromolecules” A new method effectively separates keratin-associated proteins and keratin from human hair.
198 citations
,
November 1989 in “The Journal of Cell Biology” Keratin K14 expression varies between hair follicles and epidermis, affecting cell differentiation.
15 citations
,
May 2014 in “Journal of Biological Chemistry” A chimeric keratin partially improved skin structure in mice lacking keratin 5, but didn't fully restore normal skin.
1 citations
,
June 2000 in “PubMed” Osteopontin may help hair follicle growth during the catagen phase.
28 citations
,
March 1993 in “Journal of Cell Science” Keratins K4 and K13 form stable dimers in mature esophageal cells, aiding cell stability.
15 citations
,
January 2018 in “Advances in experimental medicine and biology” Keratin proteins are crucial for hair growth and structure.
93 citations
,
May 1990 in “The EMBO Journal” Mice with extra sheep genes had hair that fell out and regrew in cycles.