14 citations
,
October 2015 in “PLoS ONE” Keratin 14 is uniquely found in a specific group of placental cells.
February 2022 in “Cosmetic Dermatology” Healthy skin prevents water loss and protects against threats.
88 citations
,
March 2004 in “Journal of Investigative Dermatology” Keratin peptides in hair may help identify gender and ethnicity, but more research is needed.
Key genes for mink fur have been identified, aiding conservation efforts.
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.
5 citations
,
December 2002 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Skin cells might help spread prion diseases like Creutzfeldt-Jakob disease.
517 citations
,
February 2010 in “Materials” Keratin from hair and wool is used in medical materials for healing and drug delivery.
211 citations
,
February 1994 in “Proceedings of the National Academy of Sciences” Too much parathyroid hormone-related protein in skin disrupts hair growth in mice.
May 2026 in “Fibers and Polymers” 4 citations
,
December 1985 in “Archives of Dermatological Research” Eye lens capsules are the best for growing human skin cells.
September 2022 in “JAAD case reports” The man has a genetic skin condition called pachyonychia congenita.
4 citations
,
December 1995 in “Anthropologischer Anzeiger” Family members have similar hair protein patterns, which could be useful for genetic studies.
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.
14 citations
,
November 1963 in “The journal of investigative dermatology/Journal of investigative dermatology” Pathologic tissues have more soluble proteins than normal tissues.
11 citations
,
January 2013 in “Veterinary dermatology” Keratinocytes from dog hair follicles can create a functional skin layer in a lab model, useful for dog skin therapy.
November 2010 in “PubMed” Human hair keratin can help repair fat tissue.
April 2017 in “Journal of Investigative Dermatology” Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.
42 citations
,
October 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Mutations in the KRT85 gene cause hair and nail problems.
33 citations
,
December 1999 in “Journal of Investigative Dermatology Symposium Proceedings” 9 citations
,
December 1991 in “Annals of the New York Academy of Sciences” November 2024 in “Biochemical and Biophysical Research Communications” Abnormal gene expression related to keratin causes hair loss in certain mice.
5 citations
,
July 2022 in “Orphanet journal of rare diseases” RSPO1 mutations in certain patients lead to skin cells that don't develop properly and are more likely to become invasive, increasing the risk of skin cancer.
3 citations
,
November 2022 in “Frontiers in Medicine” Onychopapilloma likely originates from the nail bed, not the nail matrix.
23 citations
,
January 2015 in “Stem cells international” Coating surfaces with human hair keratin improves the growth and consistency of important stem cells for medical use.
5 citations
,
September 2009 in “Acta Ophthalmologica” Hyper-keratinisation in Meibomian glands contributes to gland dysfunction.
6 citations
,
June 2021 in “Developmental biology” Dermal EZH2 controls skin cell development and hair growth in mice.
1 citations
,
January 1992 in “DNA sequence” Researchers found a non-functional sheep keratin gene due to mutations.
175 citations
,
September 1998 in “British Journal of Dermatology” Keratin 17 gene mutations cause both steatocystoma multiplex and pachyonychia congenita type 2.
115 citations
,
November 2008 in “Proceedings of the National Academy of Sciences” Reptiles have genes similar to hair proteins, suggesting hair's genetic origins predate mammals.