March 2024 in “Plant physiology” GLABRA 2 controls ethylene production to help root hair growth during nutrient deficiency.
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June 2003 in “Journal of Structural Biology” Sheet formation is key to macrofibril structure differences in wool.
February 1999 in “The anatomical record” Two mouse mutants have defective hair cuticle cross-linking.
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April 1994 in “Baillière's clinical endocrinology and metabolism” Some people have genetic mutations that make them resistant to vitamin D, leading to rickets even with enough vitamin D intake.
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August 2022 in “Animals” Different versions of the KRTAP6-2 gene in goats can lead to thinner cashmere fibers.
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January 1991 in “Electron Microscopy Reviews” 8 citations
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March 2011 in “Endocrine” A new gene mutation causes vitamin D-resistant rickets and hair loss in two siblings.
May 2024 in “European Journal of Immunology” Vitamin B5 and coenzyme A may help regulate the immune system and could improve treatments for chronic diseases and cancer.
September 2025 in “Animals” The KRTAP22-2 gene in sheep does not significantly affect wool traits.
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August 2019 in “Nature communications” Researchers found a specific immune receptor in patients that causes severe skin reactions to a drug.
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October 2009 in “Endocrinology” Different Hairless isoforms affect Vitamin D receptor activity in hair regulation, with one repressing and the other stimulating it.
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March 2023 in “Science Translational Medicine” Blocking a certain signal in the gp130 receptor can improve tissue healing and lessen osteoarthritis symptoms.
June 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” KIF18B is important for correctly positioning cell division machinery in skin cells, affecting hair follicle development.
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May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” The hair defect is due to abnormal inner root sheath keratinization.
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September 2002 in “The Journal of Comparative Neurology” Presynaptic inhibition of certain nerve fibers in cats is mainly controlled by GABA and glycine.
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February 1999 in “The anatomical record” Some mutant mice have hair with abnormal cross-linking, mainly in the cuticle, not affecting other hair parts.
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January 1988 Hair follicles have unique proteins that vary by species and are influenced by nutrition.
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October 2019 in “Genes” A new sheep gene, KRTAP36-1, may help breed sheep with better wool by reducing prickle factor.
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December 1996 in “Biochemical and Biophysical Research Communications” Mouse hair keratins mHa1 and mHb4 can't form a strong network on their own in cells.
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January 1934 in “Proceedings of the Royal Society of London Series B Containing Papers of a Biological Character” Stretched hair has a similar structure to natural silk, showing hair's elasticity involves reversible changes within its molecules.
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May 2021 in “Small ruminant research” The study found specific proteins that could mark different growth stages of cashmere goat hair and may help improve cashmere production.
TLR2 helps control hair growth and regeneration, and its reduction with age or obesity can impair hair growth.
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September 1996 in “Journal of applied polymer science” Potassium cyanide treatment changes hair's disulfide bonds, making it more elastic.
April 2020 in “International journal of clinical and diagnostic pathology” COX-2 and Bcl-2 proteins are involved in Lichen Planus.
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April 2024 in “Proceedings of the National Academy of Sciences” HDAC4 and HDAC7 are crucial for Th17 cell development and could be targeted to treat inflammatory diseases.
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August 2014 in “PLoS ONE” GFRα2 is essential for controlling neuron size but not for target innervation in certain sensory neurons.
November 2025 in “Advanced Healthcare Materials” Charge-conversion chemistry improves hair-rebonding by enhancing penetration and strength.
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January 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Dicer is crucial for hair growth in mice.
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January 2014 in “Medical Entomology and Zoology”