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March 2012 in “The Journal of Dermatology” Hair transplant surgery can rebuild muscle and nerve connections, allowing transplanted hairs to stand up like normal hairs.
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January 2009 in “Human cell culture”
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February 2022 in “The journal of neuroscience/The Journal of neuroscience” Deleting the PTEN gene in mice causes nerve cells to grow larger and heal better after injury, but may cause overgrowth and hair loss in older mice.
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February 2023 in “All Life” The research identified proteins that change as goat hair follicles begin to form, helping to understand how cashmere grows.
July 2025 in “Communications Biology” Rat vibrissae structure relates to their sensory function.
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June 2000 in “PubMed” Osteopontin may help hair follicle growth during the catagen phase.
45 citations
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January 2010 in “Forensic science international” Neonatal hair can help determine drug exposure during pregnancy.
20 citations
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September 2021 in “Nature communications” Cat color patterns are determined early in development by gene expression and epidermal changes, with the Dickkopf 4 gene playing a crucial role.
December 2025 in “Lviv clinical bulletin” PRP therapy may help with ovarian issues and fertility, but more research is needed.
September 2018 in “Translational andrology and urology” MOTILIPERM may help treat male infertility by reducing stress in cells.
2 citations
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May 2012 in “Indian drugs” Finasteride, a hair loss treatment, works better and is more stable when delivered through specially prepared gels, leading to increased hair growth.
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October 2014 in “Cell death and disease” FoxN1 overexpression in young mice harms immune cell and skin development.
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June 2013 in “Science” Mice without the Sept4/ARTS gene heal wounds better due to more stem cells that don't die easily.
1 citations
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March 2022 in “Journal of biological chemistry/The Journal of biological chemistry” Removing a specific gene in certain skin cells causes hair loss in mice by disrupting hair follicle development.
37 citations
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March 2018 in “Trends in Plant Science” pH, calcium, and reactive oxygen species regulate plant cell growth, with key roles for NADPH oxidases and plasma membrane H+-ATPases.
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.
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January 2022 in “Oxidative Medicine and Cellular Longevity” Exosomes from dermal papilla cells help hair follicle stem cells grow and survive.
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Dermal papilla cells are crucial for hair growth and can induce new hair follicles.
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January 2012 in “International journal of trichology” Sheep hair follicle cells can grow a lot but need the dermal papilla to do so.
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May 2017 in “Journal of Clinical Oncology” ETC-159 was safe up to 30 mg, but no tumor shrinkage was seen.
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May 2004 in “Journal of Investigative Dermatology” 21 citations
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March 2018 in “American Journal Of Pathology” Mutations in NIPAL4 cause skin issues by disrupting lipid layers, but some improvement is seen with topical treatment.
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December 2020 in “Archives animal breeding/Archiv für Tierzucht” EDA and EDAR are important for hair follicle development in cashmere goats and affect other related genes.
September 2016 in “Journal of Dermatological Science” The protein aPKCλ is crucial for keeping hair follicle stem cells inactive and for hair growth and regeneration.
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December 2021 in “PLoS Genetics” Polycomb Repressive Complex 2 is not needed for hair regeneration.
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May 2002 in “The Plant Journal” The IRE gene is important for normal root hair growth in Arabidopsis plants.
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December 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Human scalp hair follicles can produce hormones and have a system similar to a brain-body communication network.
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May 1994 in “Experimental Brain Research” The mystacial pad's innervation in adult rats is more complex than previously thought.
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December 2003 in “Experimental Dermatology” Specific keratin gene mutations can cause monilethrix.
August 1993 in “Journal of Dermatological Science”