The chapter explains that there are many genetic skin disorders affecting skin cell formation, including both common and rare types.
November 2009 in “Medical & surgical dermatology” The document concludes that Borrelia afzelii causes a skin condition in France, a gene is linked to hair loss in Caucasian women, and various genetic mutations affect skin diseases.
58 citations
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November 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The Foxn1 gene is essential for normal nail and hair development.
February 2025 in “Indian Dermatology Online Journal” Pincer nails are rare in lupus patients and may be managed conservatively.
55 citations
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February 2013 in “The Anatomical Record” Mouse nails are similar to human nails, making them useful for studying nail diseases.
68 citations
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December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” HOXC13 is essential for hair and nail development by regulating Foxn1.
September 2023 in “UCrea (University of Cantabria)” Nails are essential for fingertip regeneration.
4 citations
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June 2014 in “The Journal of Dermatology” Elkonyxis, a rare nail condition, improved when patients stopped their nail-picking habits.
46 citations
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September 2007 in “Journal of Investigative Dermatology” 4 citations
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April 2012 in “The journal of investigative dermatology/Journal of investigative dermatology” Krt16-deficient mice help understand skin disorders like PC and FNEPPK.
June 2025 in “British Journal of Dermatology” Nail abnormalities in children can indicate deeper health issues.
119 citations
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January 2000 in “British Journal of Dermatology” Different parts of the nail express different keratins, showing unique patterns of differentiation.
40 citations
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May 2010 in “American Journal of Clinical Dermatology” AKN might be a skin marker for metabolic syndrome.
September 1998 in “Journal of The European Academy of Dermatology and Venereology” Old people's nails often have problems due to body changes, more diseases, and self-care difficulties, affecting their movement and hand use.
21 citations
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April 1982 in “Genetics Research” Mice with the naked gene have missing or abnormal hair cells.
11 citations
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November 2005 in “The Journal of Dermatology” A man's crushed thumb caused unusual horizontal nail ridges on all fingers of one hand.
January 2021 in “Skin Appendage Disorders” 49 citations
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January 2006 in “Developmental Dynamics” Noggin gene inactivation causes skeletal defects in mice, varying by genetic background.
25 citations
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November 2020 in “Proceedings of the National Academy of Sciences” HoxC genes are crucial for normal hair and nail development.
September 2022 in “JAAD case reports” The man has a genetic skin condition called pachyonychia congenita.
10 citations
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October 2016 in “Experimental Dermatology” Nail stem cells and Wnt signaling are important for fingertip regeneration but not sufficient for regenerating more complex limb structures.
14 citations
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April 1976 in “Journal of Cutaneous Pathology” A calcified nodule on a boy's face came from hair follicles and expelled calcium through the skin.
25 citations
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January 2003 in “Plastic & Reconstructive Surgery” Nail-matrical fibroblasts can make non-nail cells produce hard keratin, useful for nail repair.
31 citations
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April 2004 in “Journal of Investigative Dermatology” A new mouse gene, Keratin 17n, is mainly found in nail tissue and may explain why mice without Keratin 17 don't have nail issues.
6 citations
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October 2009 in “Veterinary Dermatology” Canine claws have complex structures with different keratin types, similar to hair and nails.
20 citations
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December 2010 in “Journal of Morphology” Lizard claws have hair-like keratins similar to those in mammals.
The nail immune system is similar to hair but different from skin, with fewer immune markers.
13 citations
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August 1985 in “The Journal of Dermatology” HKN-2 antibody targets specific skin and hair cells, showing keratin complexity.
23 citations
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February 1993 in “Journal of Investigative Dermatology”
41 citations
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October 2008 in “The American journal of pathology” Blocking a specific protein signal can make hair grow on mouse nipples.