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August 2012 in “The American Journal of Dermatopathology” A man with a birthmark on his scalp developed hair loss that improved with treatment, but the link between the birthmark and hair loss was unclear.
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February 2011 in “Cell” Nephronectin helps attach muscle cells to hair follicles.
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February 1998 in “Polymer journal” Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.
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February 2013 in “PLoS ONE” Neprilysin is important for hair growth regulation.
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February 1998 in “Gene” The B2 genes are crucial for hair growth in rats.
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November 1998 in “Journal of Biological Chemistry” Mouse and human keratin 16 can both form filaments, with differences likely due to the tail domain, not the helical domain.
December 2021 in “Research Square (Research Square)” S100A4 and NMIIA promote tumor growth in glioblastoma by enhancing blood vessel functions.
July 2022 in “Journal of Investigative Dermatology” Substance P may contribute to hair loss by increasing oxidative stress and mitochondrial activity in hair follicles.
January 2016 in “Methods in molecular biology” HAP stem cells in hair follicles could help repair nerves and spinal cords.
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February 2011 in “Experimental dermatology” A protein called COMP is part of the connective tissue in normal human hair follicles and may be important for hair health.
August 1993 in “Journal of Dermatological Science” Testosterone metabolism in balding scalp cells may not be the main cause of hair loss.
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April 1992 in “Differentiation” Sciellin is a protein that helps form protective layers in skin, hair, and nails.
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January 1995 in “European Journal of Neuroscience” Glycine is a key transmitter in rat spinal cord synapses, often alongside GABA.
December 2007 in “FJ. Fragrance journal” August 2024 in “International Journal of Molecular Sciences” Actin filaments help root hairs grow faster and longer under low potassium stress.
November 2007 in “Science” Keratin-based hydrogels from human hair help nerve repair better than traditional methods.
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November 2012 in “PloS one” The protein folliculin, involved in a rare disease, works with another protein to control how cells stick together and their organization, and changes in this interaction can lead to disease symptoms.
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July 1993 in “Journal of Investigative Dermatology” Hair follicles emit electromagnetic fields due to S100 proteins.
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January 2010 in “Journal of Clinical Investigation” N-WASP is essential for normal hair growth in mice.
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June 2020 in “Frontiers in Cell and Developmental Biology” The PP2A-B55α protein is essential for brain and skin development in embryos.
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December 2010 in “Journal of Investigative Dermatology” Flightless I protein affects hair growth, with low levels delaying it and high levels increasing hair length in rodents.
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January 2014 in “Journal of Dermatological Science” Krtap11-1 is important for hair strength and structure.
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April 2019 in “Journal of structural biology” Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.
November 2025 in “Journal of Investigative Dermatology” BTNL2 helps protect hair follicles from immune attacks.
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January 2010 in “The FASEB Journal” Prolactin affects the production of different keratins in human hair, which could lead to new treatments for skin and hair disorders.
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July 2021 in “Life science alliance” PNKP is essential for keeping adult mouse progenitor cells healthy and growing normally.
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
July 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Neutrophil extracellular traps slow down hair follicle healing after injury.