6 citations
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February 2020 in “Journal of Cutaneous Pathology” Nevus psiloliparus lacks mature hair follicles but keeps other skin structures intact.
8 citations
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December 2022 in “BMC Genomics” The research improved understanding of yak hair growth to help use yak wool better.
16 citations
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January 2021 in “BMC Genomics” Higher hair follicle density leads to more wool in rabbits, influenced by specific genes and lncRNAs.
2 citations
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March 1997 in “Hair transplant forum international” Transplanting rat whisker follicles can lead to successful hair growth after cutting them.
1 citations
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May 1983 in “Acta dermato-venereologica” The hairpiece matted due to weathered hair after shampooing.
May 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The study found that certain genes are important for hedgehog skin appendage development and immunity, with spines possibly evolving for protection and infection resistance.
11 citations
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November 2019 in “The FASEB Journal” A mutation in the MAP2 gene causes reduced hair follicle density, leading to hairlessness.
MicroRNA miR-22 causes hair loss by making hair follicles regress early.
23 citations
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May 2020 in “Cell Death and Disease” Blocking the FGF5 gene in sheep leads to more fine wool and active hair follicles due to changes in certain cell signaling pathways.
18 citations
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January 2017 in “PloS one” Certain genes and pathways are crucial for high-quality brush hair in Yangtze River Delta White Goats.
December 1963 in “Medical Entomology and Zoology” Wnt1a from stem cells boosts hair growth and regeneration in mice.
12 citations
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August 1984 in “Genetics Research” The N gene affects the protein makeup of mouse hair.
15 citations
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July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
January 2026 in “MDPI (MDPI AG)” The hairy ear mutation in mice is linked to changes in gene expression affecting hair growth.
Hair movement can indicate hair quality and health.
March 2023 in “Journal of Student Research” Humans likely became hairless to better regulate body temperature.
2 citations
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August 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” A specific mutation in the K25 gene causes a rare genetic disorder with curly hair at birth and later hair loss, along with dental issues.
July 2023 in “Biomolecules” The new "whisker follicle microinjection assay" can test how different biomolecules affect hair growth and color.
22 citations
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July 2016 in “PLoS ONE” Certain miRNAs and genes influence wave patterns in Hu sheep hair follicles.
1 citations
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June 2023 in “Journal of applied crystallography” The technique showed that human hair has two main parts, with 68% being rigid and the rest flexible, and water swelling affects its structure.
8 citations
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May 2008 in “Applied surface science” Mummy hair from the Taklamakan desert has calcium and phosphorus inside.
January 2023 in “Indian Dermatology Online Journal” Uncombable hair syndrome is linked to Zellweger syndrome.
33 citations
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June 2017 in “Developmental Biology” Mice can correct hair follicle orientation without certain genes, but proper overall alignment needs those genes.
6 citations
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February 2013 in “Veterinary Dermatology” A young cat had a rare hair condition with twisted hair shafts but stayed healthy.
29 citations
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February 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Loss of Fz6 disrupts hair follicle and associated structures' orientation.
2 citations
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October 2022 in “Journal of structural biology” Older thin hair is not just thinner but also has different shape, structure, and stiffness.
January 2024 in “International Journal of Trichology” Matted hair should not be judged as a sign of mental instability; proper diagnosis and gentle care are key.
October 1999 in “Inpharma weekly”
January 2026 in “Phaidra - Repository of the University of Veterinary Medicine, Vienna” Hair cortisol levels in wolves reflect stress and vary by season and body region.