7 citations
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July 2019 in “Animals” The KRTAP21-1 gene affects wool yield and can help improve wool production.
3 citations
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December 2021 in “Proteins” Wool fiber curliness is linked to the presence of certain proteins and K38.
482 citations
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June 1979 in “Proceedings of the National Academy of Sciences” Keratins provide structural strength in epithelial cells and help identify cell origins.
March 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Beard hair medulla cells have a unique and varied keratin pattern.
22 citations
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January 1990
28 citations
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January 2013 in “Stem cells” Certain human skin cells marked by CD44 and ALDH are rich in stem cells capable of long-term skin renewal.
October 2025 in “Journal of the Endocrine Society” Early physical exams are crucial for timely Klinefelter syndrome diagnosis.
January 2026 in “Health Food & Biotechnology” A hair serum with 3% keratin from chicken feathers made hair smoother, shinier, and more elastic.
252 citations
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January 1991 in “Electron Microscopy Reviews” 45 citations
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February 2013 in “The Journal of Dermatology” Keratoacanthoma and some squamous cell carcinomas are linked to hair follicles, while others are not.
14 citations
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January 2012 in “Proteins” Electrostatic interactions mainly stabilize the binding of peptides to hair keratin.
1 citations
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January 2023 in “Biochemical and biophysical research communications” Keratin 79 is linked to liver damage and may help diagnose liver diseases.
May 2023 in “Journal of Scientific Research” 48 citations
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March 2010 in “PloS one” C/EBPalpha and C/EBPbeta are crucial for normal skin and oil gland cell development in adult mice.
8 citations
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August 2020 in “International Journal of Molecular Sciences” Potassium changes lead root hair growth, with calcium and other factors regulating the process.
27 citations
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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.
16 citations
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January 2018 in “Advances in experimental medicine and biology” Hair and wool have diverse keratins and keratin-associated proteins.
12 citations
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July 2004 in “Molecular genetics and genomics” A new mouse mutation causes skin and hair defects due to a gene change.
December 2000 in “日本組織細胞化学会総会プログラムおよび抄録集” 17 citations
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June 2003 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Mutations in hKAP1 genes may cause hereditary hair disorders.
2 citations
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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.
23 citations
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January 1981 Hair is mostly made of three protein types: helical, high-sulfur, and high-tyrosine.
March 2007 in “Journal of Cell Science” K10 may not prevent tumors as previously thought and might increase benign tumor risk.
5 citations
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February 2005 in “Journal of the American Academy of Dermatology” Focal palmoplantar callosities may help diagnose non-Herlitz junctional epidermolysis bullosa.
4 citations
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October 2003 in “PubMed” Low protein diets cause severe health issues in rats, but high protein diets can reverse these effects.
115 citations
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August 2014 in “Jo'jig gonghag gwa jaesaeng uihag/Tissue engineering and regenerative medicine” Human hair keratin can be used in many medical applications.
53 citations
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September 1999 in “Journal of Synchrotron Radiation” Keratinous tissues have multiple structural layers, including ordered keratin and lipid granules.
17 citations
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January 2014 in “Journal of Oral and Maxillofacial Pathology” Seborrheic keratosis is a common, harmless skin growth that can look like cancer, so it may need a biopsy.
2 citations
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May 2022 in “International Journal of Trichology” Brazilian Keratin Treatment can cause skin reactions like redness and scaling, possibly due to formaldehyde.
15 citations
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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.