April 2018 in “Veterinary Pathology” Tigers had a skin condition causing hair loss and inflammation, but the cause is unknown and treatment didn't work.
8 citations
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June 2017 in “The Journal of Infection in Developing Countries” 11 citations
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January 2022 in “Methods in cell biology”
4 citations
,
December 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” Overactive Wnt signaling in mouse skin stem cells causes acne-like cysts and shrinking oil glands, which some treatments can partially fix.
5 citations
,
August 2013 in “Integrative Zoology” Feathers in diet increase gut bacteria diversity in Arctic foxes.
1 citations
,
July 2022 in “Frontiers in Microbiology” MSM supplementation in kittens improves hair quality and growth rate without harming their health.
25 citations
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May 2013 in “Journal of mammary gland biology and neoplasia” Hedgehog signaling is crucial for mammary gland development over hair follicles.
7 citations
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February 2017 in “Open veterinary journal” Tiger cubs fed artificial milk lacking certain amino acids developed eye problems and hair loss.
27 citations
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July 1997 in “PubMed” The harlequin ichthyosis mouse mutation causes thick skin and early death, resembling a human skin disorder.
September 2025 in “Development” Nelfb is crucial for forming skin fat tissue by regulating genes needed for fat cell development.
2 citations
,
August 1995 in “Acta agriculturæ Scandinavica. Section A, Animal science” Adult male raccoon dogs shed their winter fur in spring and grow new fur for winter in autumn.
Finasteride affects prostate development differently in male and female Mongolian gerbils.
2 citations
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August 2020 in “CRC Press eBooks” Tabby mutations in mice affect hair follicle development and help study genetic mapping and certain medical conditions.
37 citations
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October 2013 in “PLoS ONE” MicroRNAs play a key role in wool growth in Tibetan sheep.
20 citations
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April 2002 in “PubMed” Mini rats have thinner skin, more fat, and different hair cycles than Wistar rats due to lower growth hormone levels.
January 1957 in “Nihon Chikusan Gakkaiho” Rabbit hair color is influenced by the shape and distribution of pigment granules.
103 citations
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March 2011 in “PLoS Biology” Birds can lose neck feathers due to a genetic change that increases a gene's activity, helping them adapt to heat.
Light tickling can be unpleasant and may feel worse for individuals with autism.
11 citations
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August 1995 in “Journal of Investigative Dermatology” Transplanted rat hair follicles grew hair and had increased but not fully restored nerve connections in mice.
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.
July 2025 in “Frontiers in Medicine” Mutations in the LIPH gene cause woolly hair in a child.
11 citations
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September 1996 in “Neuroscience letters” Adding fetal calf serum helps Merkel cells survive and change shape.
39 citations
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April 2015 in “Regeneration” Lizards can regrow their tails, and studying this process helps understand scar-free healing and limb regeneration.
1 citations
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January 2008 in “Proceedings of the 9th World Rabbit Congress, Verona, Italy, 10-13 June 2008” Furless male rabbits grew slightly faster and heavier than furred ones, but testosterone levels were not the cause.
14 citations
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July 2007 in “Lupus” Multiple pregnancies prevent skin disease but worsen kidney disease in certain mice.
1 citations
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January 2013 in “Journal of clinical & experimental dermatology research” Melatonin may help whisker growth in mice.
May 2024 in “Frontiers in medicine” A genetic mutation in the LIPH gene causes tightly curled hair that stops growing in some Japanese individuals.
February 2026 in “BMC Genomics” MEG3-miRNAs help control wool traits in young Tan sheep by regulating immune responses, but their decline with age leads to wool changes.
December 2025 in “Biology” Male and female mice handle stress differently.