63 citations
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April 2005 in “Mechanisms of development” Mice with too much Claudin-6 have skin barrier problems and abnormal hair growth.
34 citations
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January 2008 in “Developmental Biology”
16 citations
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April 2012 in “Journal of mammalogy” Young female Australian fur seals are losing hair due to low tyrosine and zinc levels and high pollution exposure.
January 2023 in “Springer eBooks” Epidermolysis bullosa is an inherited condition causing fragile skin with no cure, managed by wound care and experimental treatments show promise.
January 2025 in “SSRN Electronic Journal” 24 citations
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January 2009 in “International Journal of Trichology” Sunlight exposure ages hair, making it brittle, stiff, and dry.
2 citations
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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.
8 citations
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April 2017 in “Journal of Dermatological Science” Hair loss is caused by the breakdown of a protein called COL17A1 in hair follicle stem cells.
September 2022 in “JAAD case reports” The man has a genetic skin condition called pachyonychia congenita.
43 citations
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July 1994 in “Journal of Cell Science” Cross-linked proteins help maintain the structure of hair, feathers, and hagfish teeth.
2 citations
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August 2016 in “Journal of Investigative Dermatology”
3 citations
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May 2024 in “Amino Acids” Disrupted cysteine metabolism may cause hair breakage in Alopecia Areata, suggesting potential treatments like N-acetylcysteine.
July 2024 in “Journal of Investigative Dermatology” Linalool in fragrances may harm hair follicles and contribute to hair loss.
69 citations
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January 2005 in “The Journals of Gerontology Series A” Short telomeres may cause symptoms like hair loss and osteoporosis, offering insights into aging.
20 citations
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January 1997 in “Dermatology” The patient with EEC syndrome had scarring alopecia due to deep folliculitis, possibly linked to abnormal hair structure.
46 citations
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September 2007 in “Journal of Investigative Dermatology”
April 2023 in “Journal of Investigative Dermatology” Being allergic to linalool, a common fragrance ingredient, might contribute to developing frontal fibrosing alopecia.
130 citations
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April 2001 in “Journal of Investigative Dermatology” The keratin tail is crucial for skin structure and function.
April 2015 in “Experimental Dermatology” Melanoma risk tools need improvement, certain gene mutations cause skin diseases and could be treated by targeting those mutations, skin wrinkling may relate to lung aging due to genetic factors, and oxidative stress affects hair loss but can be reduced in low oxygen.
July 2020 in “Experimental Dermatology” Aging causes hair thinning in women due to changes in the scalp environment.
175 citations
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December 1980 in “Archives of Dermatology” Trichothiodystrophy is a condition with brittle hair and various physical and mental issues due to low sulfur in proteins.
4 citations
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May 2020 in “The journal of pediatrics/The Journal of pediatrics” A boy with monilethrix has brittle hair that breaks easily due to a genetic condition, which might improve by puberty.
375 citations
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June 2013 in “Biochimica et biophysica acta. Molecular cell research” Cornification is how skin cells die to form the protective outer layer of skin, hair, and nails.
6 citations
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August 2012 in “The Journal of Pediatrics” A 12-year-old girl was diagnosed with monilethrix, a genetic condition causing fragile, beaded hair that breaks easily, with no effective treatment available.
May 2017 in “Journal of the American Academy of Dermatology” Monilethrix is a rare, inherited condition causing fragile hair and hair loss, with no cure but some treatments may help.
January 2015 in “Turkiye Klinikleri Journal of Dermatology” Peripilar keratin casts are a helpful sign for diagnosing traction alopecia.
8 citations
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September 1981 in “Zentralblatt für Veterinärmedizin Reihe A” Biotin deficiency in pigs causes hair loss, skin issues, and weak claws.
7 citations
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May 2024 in “Tissue Barriers” The skin's outer layer relies on lipids and proteins to protect against damage.
Hair follicle stem cells are crucial for touch sensation and proper nerve structure in mice.
95 citations
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January 2009 in “Journal of Biomedical Optics” Nanoparticles penetrate hair follicles better when their size matches the cuticula thickness.