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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.
1 citations
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October 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” Removing HIF-P4H-2 from certain skin cells in mice causes hair loss on the body but not the head.
26 citations
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January 2019 in “Experimental Dermatology” Researchers created early-stage hair-like structures from skin cells, showing how these cells can self-organize, but more is needed for complete hair growth.
September 2025 in “Science Advances” PADI4 enzyme slows down cell growth in developing hair follicles.
50 citations
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September 1997 in “Developmental Biology” 22 citations
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July 2015 in “PloS one” Foxp1 helps control hair stem cell growth and response to stress during hair growth cycles.
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July 2019 in “Veterinary Dermatology” Nestin-expressing progenitor cells become outer root sheath keratinocytes.
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May 1998 in “Acta agriculturæ Scandinavica. Section A, Animal science” Blue foxes born later in the season have a slightly delayed fur growth cycle, but it catches up by mid-November.
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February 2003 in “American Journal of Medical Genetics Part A” A chromosomal change may cause ectodermal dysplasia and developmental issues in a child.
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May 2003 in “The Laryngoscope” FGF-1 causes spiral ganglion neurites to branch more.
July 2024 in “Journal of Investigative Dermatology”
September 2016 in “Journal of dermatological science” The OVOL1-OVOL2 axis is important for hair follicle differentiation and can help diagnose certain hair-related tumors.
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January 1925 in “Archives of Dermatology” Trichostasis spinulosa is a rare skin condition with hair-filled plugs in hair follicles.
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August 2008 in “Regenerative Medicine” Scientists created early-stage hairs from mouse cells that grew into normal, pigmented hair when implanted into other mice.
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June 2018 in “Proceedings of the National Academy of Sciences of the United States of America” Light can turn on hair growth cells through a nerve path starting in the eyes.
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June 2021 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” Understanding molecular pathways is key to improving organ regeneration.
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January 2002 in “Journal of Investigative Dermatology” Epidermal stem cells don't use gap junctions to communicate.
March 2016 in “Experimental Dermatology” EGFR helps hair follicles transition properly by controlling Stathmin levels.
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August 1973 in “Journal of Investigative Dermatology” 9 citations
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September 2013 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” Matriptase is highly active in hair follicles and sebaceous glands, especially during hair growth phases.
October 2025 in “Proceedings of the National Academy of Sciences” Phospholipids help plant proteins move by regulating receptor interactions.
6 citations
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January 2008 in “Indian Journal of Dermatology” Monilethrix, a genetic hair disorder causing fragile hair, affects three generations in a family.
ISX9 helps regrow hair by activating a specific cell signaling pathway.
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October 2018 in “Cell Stem Cell” Hox genes control hair growth patterns in mammals by regulating stem cell activity in the skin.
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July 2019 in “British Journal of Dermatology” Wnt signaling is important for the change from the resting phase to the growth phase in human hair cycles.
February 2026 in “Pediatric Dermatology”
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June 2017 in “Gene” A rare genetic mutation found in an Indian family can be detected through prenatal screening.
March 2023 in “JAAD case reports” A new genetic change in the keratin 10 gene caused a skin condition called ichthyosis hystrix in a father and his daughter.
1 citations
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September 2024 in “Frontiers in Cell and Developmental Biology” Pigs are a good model for studying human hair growth and disorders.
November 2025 in “Stem Cell Reviews and Reports” The error in figures didn't affect the study's results or conclusions.