November 1993 in “PubMed” High levels of androgens can cause skin issues like acne, hair loss, and excessive hair growth.
14 citations
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January 2015 in “Skin Appendage Disorders” Brazilian keratin treatment can cause severe skin reactions.
6 citations
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April 2012 in “Journal of Oral Pathology and Medicine” Rushton's hyaline bodies form from hair keratin and blood substances.
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.
98 citations
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December 1991 in “Annals of the New York Academy of Sciences” Keratin gene regulation is similar across mammals, affecting hair follicle differentiation.
53 citations
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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.
3 citations
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December 2013 in “Journal of Cell Science” Keratin 79 cells help form and regenerate hair canals.
1 citations
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January 1984 March 1997 in “The Lancet” Hirsutism is abnormal male-pattern hair growth in females due to excess androgens.
January 2012 in “Case reports in pediatrics” A 16-year-old boy's arm hair grew more after wearing a splint, but it returned to normal in 8 months.
31 citations
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August 2005 in “The American Journal of Dermatopathology” The study concluded that PKP1 is essential for skin integrity and hair growth, and its dysfunction causes the symptoms of ectodermal dysplasia/skin fragility syndrome.
14 citations
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July 1994 in “Journal of Dermatological Science” Keratin mutations may cause scarring alopecia by damaging hair structure.
8 citations
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April 2009 in “International journal of oncology” Hair follicle cells resist turning into skin cells.
9 citations
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November 2013 in “Journal of Investigative Dermatology” Overexpressing CtBP1 in skin cells causes skin and hair problems.
128 citations
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March 1996 in “Journal of Investigative Dermatology” January 2025 in “International Journal of Trichology” Increased hair growth after a cast is temporary and harmless.
198 citations
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October 1986 in “Differentiation” January 1996 in “대한피부과학회지” High Demodex mite density may be linked to sebaceous hyperplasia.
17 citations
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February 2015 in “Experimental Dermatology” Keratins are crucial for hair strength, and mutations in certain keratin genes cause hair disorders.
6 citations
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April 2005 in “Journal of dermatological science” The study found nine new hair protein genes in human hair follicles.
51 citations
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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.
30 citations
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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.
32 citations
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February 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Two specific hair keratin genes are active during hair growth and decline as hair transitions to rest.
23 citations
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January 1981 Hair is mostly made of three protein types: helical, high-sulfur, and high-tyrosine.
46 citations
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September 2007 in “Journal of Investigative Dermatology” 248 citations
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April 1988 in “Differentiation” Human and bovine hair follicles have distinct cytokeratins specific to hair-forming cells.
7 citations
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July 2008 in “Experimental Dermatology” The study concluded that a protein important for hair strength is regulated by certain molecular processes and is affected by growth phases.
June 2014 in “Experimental dermatology” The epidermis is crucial for hair growth.
15 citations
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April 2014 in “Experimental Dermatology” Scientists developed a system to study human hair growth using skin cells, which could help understand hair development and improve skin substitutes for medical use.
21 citations
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January 1999 in “Endocrine”