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October 2021 in “Journal of skin and stem cell” Nail disorders are often related to jobs like housework and manual labor, with cosmetic issues being the main concern, and are commonly caused by skin diseases like psoriasis.
2 citations
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January 1989 Researchers developed a method to grow skin-like tissue from hair cells.
January 2025 in “Arquivo Brasileiro de Medicina Veterinária e Zootecnia” Agoutis in captivity have more resting (telogen) hairs than growing (anagen) hairs, regardless of season or gender.
5 citations
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March 1943 in “Archives of Dermatology and Syphilology” A rare case of severe scalp hair loss and nail issues in keratosis follicularis was observed.
April 2011 in “www.virtualization.info” Early diagnosis of trachyonychia improves treatment and reduces psychological and cosmetic issues.
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March 1981 in “PubMed” A girl grew extra hair in areas where she had insect bites.
October 2025 in “International Journal of Advanced Multidisciplinary Research and Studies” Hairless dogs have unique skin adaptations to regulate temperature and protect against environmental factors.
March 2012 in “Journal of The American Academy of Dermatology” Dermoscopy helps diagnose different hair loss conditions, and characteristics vary among ethnicities and individual cases.
2 citations
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February 2021 in “Journal of comparative pathology” Sheep with chronic Sarcoptes scabiei dermatitis have altered keratin expression in their skin.
13 citations
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September 2012 in “Cell & tissue research/Cell and tissue research” pCLCA2 protein may help maintain skin structure and function.
139 citations
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October 2005 in “Journal of Investigative Dermatology” The nail matrix has a reduced immune response, protecting it from autoimmunity.
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June 2024 in “Cell Reports” Hair follicles play a crucial role in regulating skin barrier function.
36 citations
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December 1991 in “Journal of Dermatological Science” Human nails contain both skin and hair keratins, each needing different extraction methods.
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May 2022 in “Stem cell reports” The study created hair-bearing skin models that lack a key protein for skin layer attachment, limiting their use for certain skin disease research.
1 citations
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June 1998 in “Journal of Forestry Research” Mammalian hair scales change from smooth to wavy due to friction.
18 citations
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April 2016 in “American Journal of Dermatopathology” Larger nail cavity sizes suggest benign tumors, while smaller ones may need further biopsy to rule out cancer.
1 citations
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October 2017 in “ecancermedicalscience” Breast cancer alters specific molecular structures in hair, which revert after cancer removal.
March 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” A specific immune response helps control mite populations on the skin, maintaining healthy hair follicles.
1 citations
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January 2017 in “Springer eBooks” 22 citations
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October 1996 in “Dermatologic clinics” Understanding intermediate filaments helps explain hair health and related diseases.
August 2013 in “International Wound Journal” Non-hairy skin cells might be used to regenerate hair, helping with baldness and skin wounds.
210 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.
October 2015 in “CRC Press eBooks” Trichoscopy is a useful tool for examining and monitoring hair and scalp conditions.
41 citations
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April 2009 in “Journal of comparative neurology” P2X3-IR fibers are widespread in rat skin and likely help detect pain.
November 2025 in “Journal of Investigative Dermatology” 96 citations
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March 2003 in “Life Sciences” Atopic dermatitis patients have much higher acetylcholine levels in their skin, which may cause itching.
130 citations
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February 2005 in “Proceedings of the National Academy of Sciences” Corneal cells can transform into skin and hair cells through specific signals.
4 citations
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April 1983 in “The Journal of Dermatology” A 15-year-old girl with hypothyroidism had excess hair and skin issues due to blocked hair follicles.
February 2013 in “Archives of Disease in Childhood Education & Practice” Kerion, a severe scalp infection, causes hair loss and needs oral antifungal treatment.
22 citations
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January 2006 in “Journal of Structural Biology” Hair follicles form hard α-keratin filaments in four steps, showing structural differences.