19 citations
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March 2018 in “Journal of Investigative Dermatology” The gene Msx2 is crucial for hair follicle regeneration during wound healing.
26 citations
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August 1995 in “The journal of experimental zoology/Journal of experimental zoology” Melatonin treatment made ferrets grow their fur earlier and affected their breeding time.
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July 2016 in “Biochemical Journal” Wnt proteins from certain skin cells are crucial for normal hair growth and renewal.
1 citations
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January 2015 in “International journal of trichology (Print)” A single long white eyelash is a rare but benign condition.
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November 2014 in “Journal of Comparative Physiology A” Spider joint hair sensilla are adapted to sense movement during walking.
April 2023 in “Journal of Investigative Dermatology” Covering a wound can stop hair growth by promoting scarring, but boosting a process called Wnt signaling can help hair grow back even when the wound is covered.
13 citations
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August 2007 in “Journal of Investigative Dermatology” Mouse hair can regrow in a special lab setup without serum.
January 2005 in “Chinese Journal of Veterinary” Hairless mice lose hair by 3-4 weeks, develop thicker, folded skin, and show pigmentation differences.
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August 2023 in “Journal of Investigative Dermatology” Understanding the hair growth cycle in mice is crucial for accurate research, as it affects study results and requires careful timing and methods.
26 citations
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August 1971 in “Journal of Morphology” Lizards can regrow their tail scales with the same structure, distribution, and gender-specific features as the original ones, and this unique ability is not seen in adult mammals.
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September 2009 in “Birth defects research” Different body areas in mice produce different hair types due to interactions between skin layers.
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June 1995 in “Comparative biochemistry and physiology. Part C. Comparative pharmacology and toxicology/Comparative biochemistry and physiology. C. Comparative pharmacology and toxicology” Removing mink's adrenal glands causes their summer fur to grow earlier.
Ganoderma lucidum extract and microneedle therapy promote hair growth in mice.
January 1999 in “대한피부과학회지” Trichotillomania is more common in young females and often linked to stress and psychiatric conditions, with hair loss and increased catagen hair observed.
January 2025 in “Animal Science Journal” Golden takin's hair structure is adapted to maintain body temperature in harsh winters.
April 2016 in “Journal of Investigative Dermatology” Wnt ligands, produced by dermal papilla cells, are essential for adult hair growth and regeneration.
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January 1991 in “Tissue and Cell” The male silkmoth's antenna develops olfactory structures over 21 days, with full hair formation by day 15.
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July 1935 in “Nature” Animal hair can curl tightly on its own, especially in foxes, due to changes in keratin.
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August 2020 The Shaven mutation in mice affects hair growth and causes a greasy coat due to abnormal lipid content.
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September 2005 in “Proceedings of the National Academy of Sciences of the United States of America” The HR protein helps hair grow by blocking a hair growth inhibitor, aiding in hair follicle regeneration.
7 citations
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December 2015 in “PloS one” Cryopreserved mouse whisker follicles can grow hair when transplanted into nude mice.
April 2019 in “Journal of Investigative Dermatology” Activating the Sonic hedgehog pathway can help regenerate hair follicles during wound healing in mice, potentially improving regeneration after injury.
15 citations
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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.
January 2026 in “Frontiers in Pharmacology” Anwuligan may help treat hair loss by promoting hair growth.
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December 1991 in “Annals of the New York Academy of Sciences” MYC protooncogenes may be important for hair growth, but more research is needed.
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April 1985 in “Canadian Journal of Zoology” Moose have unique interdigital glands with green hairs and larger glands during mating season.
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January 2018 in “Journal of Investigative Dermatology” Rats can't grow new hair follicles after skin wounds, unlike mice, due to differences in gene expression and response to WNT signaling.
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March 2015 in “Regeneration” Mice can grow new hair follicles after skin wounds through a process not involving existing hair stem cells, but requiring more research to understand fully.
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December 2006 in “Proceedings of the National Academy of Sciences” Hair patterns in mice are controlled by both a global system dependent on Fz6 and a local self-organizing system.
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January 2013 in “International journal of medical sciences” Increasing Wnt5a in mice skin delays hair growth but doesn't stop it.