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February 2016 in “Anatomical Science International” Hair proteins change location and structure as hair cells mature.
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.
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10 citations
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January 1925 in “Archives of Dermatology” Trichostasis spinulosa is a rare skin condition with hair-filled plugs in hair follicles.
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March 2020 in “Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy” Alopecic hair has more irregular structures and chemical changes than normal hair, reducing its strength.
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October 2004 in “Differentiation” A gene deletion causes the "hairless" trait in Iffa Credo rats.
The naked mutation in mice causes hair loss and helps identify keratin genes.
5 citations
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June 2014 in “Der Hautarzt” Genetic testing can identify causes of rare hair loss disorders in children, but no treatments exist.
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September 2014 in “SpringerPlus” Human hair loss may have evolved to help increase brain size.
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January 2016 in “Development” LHX2 is essential for hair follicle development, controlled by NF-κB and TGFβ2 signaling.
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June 2023 in “Proceedings of the National Academy of Sciences” Tightly curled scalp hair helps reduce heat from the sun, protecting against overheating.
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January 2006 in “Clínicas obstétricas y ginecológicas de Norteamérica” Analyzing hair proteins can help identify new markers for hair health and aging.
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June 2014 in “BMC genomics” Poplar seed hairs grow from the placenta at the ovary base, with endoreduplication playing a key role in their development, and share similar cellulose synthesis processes with cotton fibers.
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May 2022 in “Stem cell research & therapy” Disrupted stem cell signals in hairpoor mice cause hair loss.
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February 2023 in “Journal of dermatology” The first Japanese case of a genetic hair disorder caused by specific mutations in the LIPH gene was identified.
January 2026 in “Clinical Case Reports” A 6-year-old girl had both monilethrix and trichorrhexis nodosa, causing brittle hair, with minimal improvement from treatment.
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June 2020 in “Developmental Cell” Feather patterns are influenced by enhancers and chromatin looping, and the structure of protein complexes important for hair growth has been detailed.
67 citations
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August 2017 in “Animal Biotechnology” Researchers found that certain RNA molecules might play a role in the growth of Cashmere goat hair.
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April 2000 in “Mammalian Genome” A new mutation in mice causes crooked whiskers and messy hair.