39 citations
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November 2009 in “Clinical and Experimental Dermatology” Immune privilege collapse in hair follicles may cause permanent hair loss in certain conditions.
38 citations
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July 2004 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Reptilian scales, feathers, and hairs evolved from changes in skin cell interactions.
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September 1997 in “The journal of investigative dermatology/Journal of investigative dermatology” A mutation in mice causes hair loss and skin issues due to a defect in a gene affecting cell adhesion.
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September 2017 in “Cancer Research” Boosting certain cell signals can prevent hair loss from cancer treatments.
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October 2015 in “PeerJ” Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
37 citations
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October 2009 in “Veterinary Dermatology” Canine hair follicles contain stem-like cells with high growth potential.
37 citations
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January 2009 in “The Journal of Dermatology” Hair follicle stem cells can turn into various cell types and help repair nerves.
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April 1977 in “Journal of Cutaneous Pathology” Skin biopsy can help diagnose hair loss from trichotillomania.
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September 2013 in “PLoS ONE” Sweat gland stem cells help maintain glands, aid wound healing, and can regenerate skin structures.
36 citations
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September 2011 in “British Journal of Dermatology” White hair grows thicker and faster than black hair due to higher activity of growth-related genes and proteins.
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November 2011 in “Journal of the European Academy of Dermatology and Venereology” Effective acne scar treatment should use combination therapy based on specific skin changes.
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October 1993 in “British Journal of Dermatology” Human hair follicles can grow in a lab for at least 9 days without serum, keeping their natural characteristics.
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August 2009 in “Differentiation” Desmoglein 4 is controlled by specific proteins that affect hair growth.
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April 1998 in “PubMed” Activated erbB-2 in mice skin causes severe skin and hair abnormalities.
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July 2020 in “American journal of human genetics” Changes in the SREBF1 gene cause a rare genetic skin and hair disorder.
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June 2008 in “In vitro cellular & developmental biology. Animal” Scientists created a long-lasting stem cell line from human hair that can turn into different skin and hair cell types.
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January 1998 in “Archiv für Pathologische Anatomie und Physiologie und für Klinische Medicin” Trichoblastomas may mimic fetal skin development by having many Merkel cells, unlike adult skin.
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December 1984 in “Journal of Cutaneous Pathology” Monilethrix hair issues are due to problems in the hair's internodes.
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September 2017 in “Journal of Investigative Dermatology” A mutation in the KRT25 gene causes woolly hair and hair loss.
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March 2013 in “Journal of Investigative Dermatology” Human hair follicle stem cells show signs of low oxygen levels, which may be important for hair growth and preventing baldness.
33 citations
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February 2012 in “British Journal of Dermatology” Mutations in the p63 gene affect skin adhesion, barrier integrity, and hair growth.
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July 2007 in “Skin research and technology” Thicker hair is stronger, regardless of age, gender, or other factors.
32 citations
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February 2019 in “eLife” BMP signaling is essential for the development of touch domes.
32 citations
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May 1986 in “Archives of Dermatology” The condition is likely inherited in an autosomal-dominant pattern.
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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.
31 citations
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August 2000 in “Journal of Investigative Dermatology” Stem cells are key for hair follicle recovery.
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December 1991 in “Annals of the New York Academy of Sciences” ORS and hair matrix cells balance growth and differentiation better than normal keratinocytes, with human dermal fibroblasts crucial for proper differentiation.
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March 2017 in “ACS biomaterials science & engineering” Hair follicles are valuable for regenerative medicine and wound healing.
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January 2009 in “The scientific world journal/TheScientificWorldjournal” Hair is hard to dissolve because of its complex proteins, but certain solvents that break specific bonds and hydrate can do it.
30 citations
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September 2018 in “International Journal of Cosmetic Science” Bleaching hair causes severe structural and chemical damage, including protein loss and oxidation.