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August 2005 in “Anatomy and Embryology” Rat skin has a linear system of nerve fibers linked to hair follicles and muscles.
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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.
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January 2017 in “Molecular Medicine Reports” Human hair follicle cells can be turned into neural stem cell-like cells, which might help treat brain diseases.
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October 2001 in “British Journal of Dermatology” Keratin K6irs is a marker for the inner root sheath of hair follicles in mice and humans.
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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.
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February 2016 in “Anatomical Science International” Hair proteins change location and structure as hair cells mature.
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September 2017 in “Journal of Pathology of Nepal” Testing hair roots with a special dye is a simple, non-invasive way to check disease progress in pemphigus vulgaris patients.
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May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” The hair defect is due to abnormal inner root sheath keratinization.
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June 2001 in “Medical Electron Microscopy” Trichilemmal cysts may form from hair follicle outer root sheath growth.
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July 2006 in “The Journal of Comparative Neurology” Increasing neurotrophin 4 in skin boosts nerve endings but not sensory neuron count.
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June 2012 in “Molecular Biology Reports” VEGF stimulates hair cell growth and increases growth receptor levels through a specific signaling pathway.
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August 2003 in “Proceedings of the National Academy of Sciences” Nestin is found in hair follicle progenitor cells, linking them to neural stem cells.
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Mouse skin glands need healthy nerves to grow properly during hair growth phases.
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December 2003 in “Journal of Investigative Dermatology” Certain cells from hair follicles can create new hair and contribute to hair growth when implanted in mice.
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June 2011 in “대한구강악안면외과학회지” A woman had a cyst in her salivary gland, likely from Botox, which was removed and confirmed as an epidermoid cyst.
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July 2025 in “Communications Biology” Rat vibrissae structure relates to their sensory function.
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February 2004 in “Journal of Investigative Dermatology” MCSP may help identify and regulate skin stem cells, affecting hair growth and regeneration.
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January 2016 in “Cellular physiology and biochemistry” Epidermal Growth Factor helps hair follicle cells grow and move by activating a specific cell signaling pathway.
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August 2012 in “Journal of the American Academy of Dermatology” Two patients with the same genetic mutation had both blistering skin and easily pulled out hair.