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January 2018 in “Advances in experimental medicine and biology” Hair keratins evolved from ancient proteins, diversifying through gene changes, crucial for forming claws and later hair in mammals.
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July 2023 in “Journal of developmental biology” Bird foot scales develop differently and can repair but not fully regenerate due to the lack of specialized stem cell areas.
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October 2007 in “Kafrelsheikh Veterinary Medical Journal” Buffalo lips are well-suited for eating plants.
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December 2003 in “Gene” The ovine Hoxc-13 gene is crucial for hair formation and may have other skin functions.
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January 2017 in “Genetica” The methylation of the HOXC8 gene's exon 1 affects cashmere fiber length in goats.
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February 2021 in “PubMed” Koilonychia in alopecia areata can improve with oral corticosteroids.
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July 2004 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Reptilian scales, feathers, and hairs evolved from changes in skin cell interactions.
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September 2021 in “Journal of Molecular Histology” LHX2, with other markers, can identify hair placodes in rats.
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May 2013 in “European Journal of Dermatology” Dermoscopy can non-invasively detect eruptive vellus hair cysts on the labia majora.
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January 2009 in “Journal of Biomedical Optics” Nanoparticles penetrate hair follicles better when their size matches the cuticula thickness.
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October 2012 in “Journal of Morphology” Reptile skin hardens by layering beta-proteins on keratin.
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June 2009 in “BMC Genomics” Sea cucumbers have unique genes that help them regenerate their intestines.
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June 2000 in “Experimental dermatology” The Lanceolate hair-J mutation in mice mimics human hair disorders like Netherton's syndrome.
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April 2023 in “Animals” Wnt and BMP pathways stimulate hair growth in Min pigs, with Wnt being more effective.
July 2025 in “Frontiers in Pharmacology” G-1 promotes hair growth in female mice by activating specific signaling pathways.
December 2023 in “Animals” The research found genes and miRNAs that may control hair growth in Forest Musk Deer.
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August 2014 in “Genome Biology and Evolution” Feather diversity is due to different keratin gene combinations, and chickens can help study human keratin diseases.