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October 2002 in “Human molecular genetics online/Human molecular genetics” A gene mutation in mice causes skin defects and early death.
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April 1993 in “PubMed” Human hair cells can change based on their environment, especially interactions with certain skin cells.
January 1999 in “Chinses Journal of Hand Surgery” Human hair keratin artificial tendon is a safe and effective tendon substitute.
December 2025 in “Advanced Healthcare Materials” The Spherical Skin Model improves drug and cosmetic testing by accurately mimicking human skin for efficient compound screening.
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February 1991 Cuticle damage doesn't affect hair's tensile strength; the cortex is responsible for it.
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November 2015 in “Experimental Cell Research” Sebum from sebocytes is important for skin health and linked to conditions like acne and hair loss.
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November 1958 in “The Journal of Cell Biology” A unique skin cell similar to hair bulb melanocytes was identified, with better preservation using permanganate fixation.
June 2024 in “Annals of Medicine and Surgery” A 23-year-old Syrian woman has two rare hair disorders, and avoiding hair treatments plus using vitamins and minoxidil may help.
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September 2019 in “Forensic Science International Genetics” Hair keratin proteins can be reliably identified in hair as short as 0.12 cm, with 0.5 to 2 cm being the best length for analysis.
August 1969 in “Archives of Dermatology” After calciphylaxis, rats showed incomplete skin and hair regeneration, resembling scar tissue with fewer hairs.
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February 2013 in “The Journal of Dermatology” Keratoacanthoma and some squamous cell carcinomas are linked to hair follicles, while others are not.
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June 2025 in “International Journal of Molecular Sciences” Chitosan and melatonin together improve wound healing and have potential in medicine and cosmetics.
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September 2013 in “BMC Biophysics” Keratin filaments' elasticity is influenced by their terminal domains and surrounding medium.
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February 2018 in “Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy” Cosmetic residues on individual hairs can be identified and differentiated using ATR FT-IR microspectroscopy.
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January 1986 in “PubMed” PIXE is an effective method to analyze hair's elemental composition.
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May 2014 in “Journal of Biological Chemistry” A chimeric keratin partially improved skin structure in mice lacking keratin 5, but didn't fully restore normal skin.
August 2024 in “Skin Research and Technology” TAF can be identified by excessive skin thickening and clogged hair follicles, helping distinguish it from similar skin conditions.
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May 1988 in “International Journal of Dermatology” The patient's hair has unique structural differences with alternating bright and dark bands.
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April 2011 in “European Journal of Pharmaceutics and Biopharmaceutics” Particles around 100 nm can penetrate and stay in hair follicles without passing through healthy skin, making them safe for use in topical products and useful for targeted drug delivery.
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February 1992 in “British Journal of Dermatology” Basal cell carcinomas likely originate from hair follicle cells or stem cells.
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July 2001 in “Dermatologic Surgery” Trichoblastic carcinoma may be a distinct type of skin cancer different from basal cell carcinoma.
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March 2007 in “European journal of pediatrics” Certain types of mucopolysaccharidoses cause significant hair abnormalities.
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February 1989 in “Journal of Investigative Dermatology” 1 citations
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December 2005 in “Journal of Biological Research - Bollettino della Società Italiana di Biologia Sperimentale” Ancient South American mummies' hair shows high sulfur, calcium, and potassium levels.
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August 2023 in “Developmental Cell” Mechanosensory neurons adapt to different skin types after birth.
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January 1989 in “Genes & Development” Keratin expression reflects cell organization and differentiation, not causes it.
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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.