January 2022 in “SSRN Electronic Journal” Mouse hair follicles age, causing more white hairs due to fewer pigment stem cells.
3 citations
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December 2024 in “Journal of Animal Physiology and Animal Nutrition” FGF20 is essential for hair follicle stem cell growth and development in fine-wool sheep.
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 2023 in “Figshare” Mouse skin and hair aging starts at 200 days, with changes in hair follicles and more white hairs as signs of aging.
17 citations
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November 1967 in “American Journal of Anatomy” Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
December 2025 in “Russian Journal of Skin and Venereal Diseases” Hair follicles are thinner in alopecia patients, especially in alopecia areata.
March 2022 in “Osaka City University (Osaka City University)” Ovariectomy in mice affects hair growth and skin thickness, suggesting potential for obesity treatment research.
April 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” The Lanyu pig's hair follicles are similar to human ones, making it useful for studying skin healing.
22 citations
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September 1982 in “Journal of ultrastructure research” Wool follicle cells are more complex than previously thought.
20 citations
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July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.
October 2025 in “Dermatologic Surgery” Twisted hair follicles can survive transplantation as well as intact ones.
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.
34 citations
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August 1966 in “Experimental cell research” Keratin fibrils in hair form and stop growing at specific points in the follicle.
15 citations
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December 1972 in “Journal of Investigative Dermatology”
90 citations
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January 1979 in “International review of cytology” Wool follicles are complex, involving interactions between different cell types and structures.
211 citations
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April 2013 in “Development” More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.
106 citations
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April 1986 in “British Journal of Dermatology” Dermal papilla cells from human hair follicles form unique structures and don't live as long as other skin cells in lab conditions.
7 citations
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December 2010 in “대한의생명과학회지” Hair growth after depilation increases skin thickness, mast cell counts, and cell activity.
33 citations
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August 2013 in “British Journal of Dermatology” Lack of small, fine hair on the front hairline is a key sign of frontal fibrosing alopecia.
January 2019 in “Durham e-Theses (Durham University)” Less stiff collagen promotes higher cell growth in hair follicles.
24 citations
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August 2011 in “Experimental Dermatology” The flap assay grows the most natural hair but takes the longest, the chamber assay is hard work but gives dense, normal hair, and the patch assay is quick but creates poorly oriented hair with some issues.
23 citations
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July 1997 in “British Journal of Dermatology” The inner root sheath is vital for hair follicle stability during growth changes.
January 2011 in “Shiyong kouqiang yixue zazhi” Dermal papilla cells and bulge stem cells can help reconstruct hair follicles.
46 citations
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August 1977 in “Journal of Morphology” The big-clawed shrew's sinus hair follicles are highly specialized for sensing vibrations.
Understanding hair follicle communication can help treat hair loss.
91 citations
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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.
Keratinocytes grew and migrated into hair follicle areas but disappeared after 15-20 days.
2 citations
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April 2019 in “Experimental Dermatology” Hair follicles respond differently to pulling forces in various regions.
September 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Non-invasive methods can effectively monitor hair growth cycles, aiding hair loss treatment development.
43 citations
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December 2008 in “Molecular biology of the cell” Disrupting Smad4 in mouse skin causes early hair follicle stem cell activity that leads to their eventual depletion.