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.
October 2025 in “International Journal of Molecular Sciences” Early intervention in patch-type alopecia may prevent progression to more severe forms by targeting immune pathways and preserving keratin.
The document concludes that understanding hair's composition and the effects of treatments can lead to better hair care products.
April 2019 in “Journal of Investigative Dermatology” Researchers created a new mouse model for studying scleroderma.
January 2009 in “Repositório Científico do Instituto Politécnico de Viseu (Instituto Politécnico de Viseu)” The skin lesion was diagnosed as a matrical cyst with unusual features.
June 2024 in “British Journal of Dermatology” KRT14 gene variants cause dermatopathia pigmentosa reticularis, affecting nails, teeth, and hair.
August 2023 in “Journal of the European Academy of Dermatology and Venereology” Onycholemmal horn is a rare nail tumor in elderly women, treated by surgical removal.
305 citations
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December 2000 in “The EMBO Journal” Inhibiting Bmp signaling disrupts hair growth and differentiation.
191 citations
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November 1959 in “Annals of the New York Academy of Sciences” Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
14 citations
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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.
4 citations
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January 2015 in “Journal of microbial & biochemical technology” Biotin helps regulate proteins in the blood, which may explain its role in hair growth.
2 citations
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January 2000 in “Journal of Toxicologic Pathology” A single recessive gene causes sparse hair in certain Japanese White rabbits.
1 citations
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December 2023 in “Indian Dermatology Online Journal” Steatocystoma multiplex causes recurring skin cysts and needs early recognition for better management.
May 2022 in “Experimental dermatology” Trichothiodystrophy hair is structurally abnormal with protein and organization issues.
93 citations
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May 1990 in “The EMBO Journal” Mice with extra sheep genes had hair that fell out and regrew in cycles.
26 citations
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December 1979 in “Journal of Cutaneous Pathology” Seborrheic keratoses may partly come from hair follicle cells.
December 2001 in “中華皮膚科醫學雜誌” An 18-year-old boy had a harmless skin nodule near his nose with hair and oil glands inside.
March 1995 in “The Journal of Dermatology” Immature hair cells can grow and change into different types of hair cells over time.
2 citations
,
June 1989 in “Archives of Dermatology” A black pore on a man's cheek was a hair follicle tumor and was removed.
95 citations
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March 2009 in “Differentiation” Gene expression in wool follicles changes with growth cycles, offering insights into wool and human hair growth.
87 citations
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July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
54 citations
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March 2009 in “BioEssays” Hormones control keratin production in skin and hair.
42 citations
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October 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Mutations in the KRT85 gene cause hair and nail problems.
28 citations
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November 2009 in “Journal of Structural Biology” High flux X-ray beams quickly damage the structure of human hair.
8 citations
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June 2009 in “British Journal of Dermatology” Human melanocytes in skin and hair follicles don't express keratin 16 or 6 naturally.
115 citations
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November 2008 in “Proceedings of the National Academy of Sciences” Reptiles have genes similar to hair proteins, suggesting hair's genetic origins predate mammals.
79 citations
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February 2009 in “Human Genetics” 99 citations
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May 1998 in “Journal of biological chemistry/The Journal of biological chemistry” Small proline-rich proteins and trichohyalin help make epithelial tissues tougher and more flexible.
81 citations
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August 1979 in “Archives of Dermatology” Trichofolliculomas can sometimes be more aggressive than thought.
2 citations
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July 2025 in “Journal of Plastic Reconstructive & Aesthetic Surgery” Hair follicles can improve wound healing and reduce scarring.