Whiskers can form without sensory nerves or Foxd1, thanks to Meis2 in mesenchymal cells.
1 citations
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November 2024 in “eLife” Mesenchymal MEIS2 is essential for whisker development without needing sensory nerves.
1 citations
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January 2013 in “Journal of clinical & experimental dermatology research” Melatonin may help whisker growth in mice.
Meis2 is essential for whisker development, independent of nerve involvement.
October 2024 in “Российский физиологический журнал им И М Сеченова” Understanding barbering in lab rodents is important for animal welfare and research accuracy.
17 citations
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June 1990 in “PubMed” Hair varies in size and features depending on body region.
3 citations
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June 2017 in “Reproductive biomedicine online” A certain mutation in the fetal alpha 5-reductase gene is linked to a higher risk of late miscarriage.
56 citations
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January 1970 in “Cell and Tissue Research” January 1992 in “Proceedings of the New Zealand Society of Animal Production” Ferret hair growth starts between 0 and 4 days after melatonin treatment, with cell growth peaking in the hair germ and declining as the hair matures.
12 citations
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June 2006 in “Anais Brasileiros de Dermatologia” The study found average numbers for different types of hair follicles in the scalp and observed differences between men and women, suggesting reasons for more common hair shedding in women.
31 citations
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September 1996 in “Differentiation” The upper dermal sheath can regenerate hair in rats.
October 2024 in “Journal of Cutaneous Pathology” Compound follicles in folliculitis decalvans mainly have active hair follicles.
125 citations
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August 1992 in “Development” Implanted dermal papillae can induce hair growth in rat ear wounds.
Mouse hair follicles grow best in a special medium, especially when cut and from adult mice.
55 citations
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November 2010 in “Development” Hair follicles in mutant mice self-organize into ordered patterns within a week.
48 citations
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July 1993 in “Archives of Dermatological Research” Merkel cells are abundant in facial vellus hair follicles, especially during the anagen phase.
45 citations
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August 1992 in “PubMed” The rat vibrissa follicle can quickly remodel its basement membrane during hair growth, affecting cell signaling and activity.
13 citations
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December 1983 in “Canadian journal of zoology” Heterotypic cell contacts likely help hair matrix cells differentiate during mouse hair follicle development.
8 citations
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March 2009 in “Differentiation” Adult vibrissa follicle stem cells can regenerate hair follicles, glands, and skin.
28 citations
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March 2016 in “Toxicologic pathology” Dogs could be good models for studying human hair growth and hair loss.
35 citations
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November 2010 in “Journal of Cutaneous Pathology” Dilated follicular infundibula and increased catagen/telogen follicles are key indicators for diagnosing alopecia areata.
5 citations
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January 2010 in “The anatomical record” Most dogs have hair whorls on their chest and limbs, with shelter dogs and short-haired dogs having more chest whorls.
18 citations
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August 2015 in “International Journal of Molecular Sciences” Ovine hair follicle stem cells can regenerate haired skin and may improve wool production.
January 2022 in “SSRN Electronic Journal” Mouse hair follicles age, causing more white hairs due to fewer pigment stem cells.
4 citations
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January 2000 in “Durham e-Theses (Durham University)” Hair follicles help wounds heal faster, especially in active growth phase skin.
7 citations
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November 2014 in “Histochemistry and Cell Biology” The we/we wal/wal mice have defects in hair growth and skin layer formation, causing hair loss, useful for understanding alopecia.
January 2019 in “Durham e-Theses (Durham University)” Less stiff collagen promotes higher cell growth in hair follicles.
45 citations
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December 2007 in “The FASEB journal” There are two types of stem cells in rodent hair follicles, each with different keratin proteins.
24 citations
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December 1957 in “Experimental Cell Research” The glassy layer of hair follicles has different fibril sizes and arrangements in guinea pigs and young mice.
3 citations
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January 2021 in “Veterinary dermatology” A litter of cats had a hair condition similar to a mouse mutation, leading to hair loss and abnormal hair and skin.