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.
137 citations
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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.
28 citations
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September 2013 in “European Journal of Histochemistry” Keratins in Malayan pangolins vary by region, suggesting scales evolved from the tail towards the head.
13 citations
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September 2017 in “Cytometry Part A” Horse hair follicles could be a new source of stem cells for healing horses.
15 citations
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January 1988 Hair follicles have unique proteins that vary by species and are influenced by nutrition.
April 2025 in “INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT” Hair histology helps identify animal species in forensic investigations.
50 citations
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October 1918 in “The journal of experimental zoology” Artificially inducing hair regrowth in mice can change the normal pattern and timing of hair growth, with minimal color differences between old and new fur.
38 citations
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September 1997 in “The journal of investigative dermatology/Journal of investigative dermatology” A mutation in mice causes hair loss and skin issues due to a defect in a gene affecting cell adhesion.
November 2022 in “Journal of Investigative Dermatology” EGFR is crucial for preventing hair follicle inflammation and hair loss.
September 2022 in “F1000Research” Removing hair from mice without reproductive glands led to grey hair, possibly helping to understand greying in aging.
9 citations
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July 2011 in “Scientific Reports” Changes in the HR gene have influenced hair growth and may lead to hair loss conditions in humans.
41 citations
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June 2006 in “Journal of Investigative Dermatology” Beard and scalp hair cells have different gene expressions, which may affect beard growth characteristics.
8 citations
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March 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” The 14-3-3σ gene is essential for preventing hair loss.
September 1973 in “Primates” January 2008 in “Medical Entomology and Zoology” 3 citations
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October 1994 in “Medical Molecular Morphology” The lower part of rat vibrissa hair gets more blood and is well-protected for growth.
July 1993 in “Journal of Radioanalytical and Nuclear Chemistry” Mouse hair element patterns vary, making it unreliable for tracking time.
January 1957 in “Nihon Chikusan Gakkaiho” Rabbit hair color is influenced by the shape and distribution of pigment granules.
30 citations
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November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” The lipid in human hair follicles acts as a barrier, similar to the skin's lipid layer.
February 2022 in “Research Square (Research Square)” LGR5 is a marker found in hair follicle stem cells in various species and is important for hair growth and skin repair.
April 2018 in “Journal of Investigative Dermatology” Dark hair with a red beard likely evolved for camouflage, not attraction.
5 citations
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January 1993 in “Hormone and Metabolic Research” DHEA and DHEA-S help maintain underarm hair in older women.
November 2022 in “Hair transplant forum international” The long hair preview technique in body hair transplantation offers high-quality, natural results.
September 2024 in “Journal of the American Academy of Dermatology” Regulatory γδ T cells help protect hair follicles from alopecia areata and promote hair regrowth.
March 2014 in “CRC Press eBooks” Human head hair can grow very long and is thicker than most body hair.
February 2018 in “Medical Hypotheses” Male pattern hair loss may have evolved to promote younger fathers for offspring health and survival, encouraging monogamy and paternal nurturing.
November 2023 in “Frontiers in veterinary science” The study provides insights into hair growth mechanisms in yaks.
10 citations
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April 2009 in “Oncology Reports” Bald-headed individuals may need early non-invasive detection for skin changes linked to cancer risk.
2 citations
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March 2014 in “Veterinary World” Indian bison, black buck, and nilgai have distinct hair follicle patterns useful for species identification.