101 citations,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists turned mouse stem cells into skin cells that can grow into skin layers and structures.
87 citations,
July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
74 citations,
October 1998 in “Journal of biological chemistry/The Journal of biological chemistry” The 190-kbp domain contains all human type I hair keratin genes, showing their organization and evolution.
70 citations,
December 2004 in “Differentiation” The study identified and characterized new keratin genes linked to hair follicles and epithelial tissues.
54 citations,
November 2015 in “Methods in enzymology on CD-ROM/Methods in enzymology” Keratins are important for skin cell health and their problems can cause diseases.
38 citations,
October 2011 in “Analytical biochemistry” Hair proteins have weak spots in their α-helical segments.
36 citations,
November 2019 in “Molecular biology and evolution” Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.
8 citations,
May 2021 in “Journal of the European Academy of Dermatology and Venereology” A COVID-19 patient had unusual nail discoloration and nail separation possibly due to the virus's effects on small blood vessels.
7 citations,
February 1998 in “Polymer journal” Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.
6 citations,
September 2017 in “Multiple Sclerosis and Related Disorders” Nail loss may be a side effect of the MS drug teriflunomide.
3 citations,
June 2022 in “European journal of human genetics” A new type of pachyonychia congenita linked to a specific keratin gene mutation was found in two Pakistani families.
3 citations,
January 2019 in “Annals of dermatology/Annals of Dermatology” Hydroxychloroquine effectively treated twenty-nail dystrophy in a patient with alopecia areata.
Hair keratin treatments can be harmful, potentially causing health issues like skin reactions and cancer.
December 2022 in “Journal of medical sciences and health” Examining nail biopsies is useful for diagnosing nail diseases.
January 2015 in “Dermatology online journal” A man with total hair loss also developed a rare nail condition, likely due to autoimmune issues.
76 citations,
May 2011 in “Cell death and differentiation” A20 protein is crucial for normal skin and hair development.
32 citations,
April 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” Loss of keratin K2 causes skin problems and inflammation.
29 citations,
November 2011 in “Veterinary pathology” The study found that mouse sweat glands develop before birth, mature after birth, and have specific keratin patterns.
26 citations,
May 2014 in “BioEssays” Using neurohormones to control keratin can lead to new skin disease treatments.
19 citations,
August 2012 in “Cell death and differentiation” Intu gene is crucial for hair follicle formation by helping keratinocytes differentiate through primary cilia.
17 citations,
August 2018 in “BMC Genomics” The HOXC13 gene affects different hair proteins in cashmere goats in varied ways and is controlled by a feedback loop and other factors.
11 citations,
September 2012 in “The journal of investigative dermatology/Journal of investigative dermatology” A mutation in the KRT71 gene causes a hair disorder by disrupting hair follicle structure and texture.
7 citations,
December 2008 in “Expert Review of Dermatology” The document concludes that various childhood hair and nail disorders exist, some may improve on their own, and advances in genetics and immunology could enhance treatment and counseling.
December 2018 in “IntechOpen eBooks” Neurohormones help control skin health and could treat skin disorders.
September 2018 in “Cosmetics” Inositol and arginine solutions improve hair follicle health and turnover.
July 2018 in “British Journal of Dermatology” Hair regrowth was seen in 83% of children with alopecia, immune system plays a role in the condition, and various treatments showed effectiveness for hair and nail disorders.
The chapter explains that there are many genetic skin disorders affecting skin cell formation, including both common and rare types.
Keratin hydrogels from human hair show promise for tissue engineering and regenerative medicine.
114 citations,
January 2007 in “Drug Safety” Some drugs can cause skin, nail, and hair problems, which are important for healthcare professionals to recognize and report.
65 citations,
January 2013 in “Cochrane library” Some systemic treatments work for nail psoriasis but can have serious side effects.