August 2013 in “International Wound Journal” Non-hairy skin cells might be used to regenerate hair, helping with baldness and skin wounds.
KRTAP6 genes affect wool quality in sheep.
January 2000 in “Acta Academiae Medicine Militaris Tertiae” Different keratins in hair follicles can help identify hair tumor origins.
Hair germ cells differ from epidermal cells in keratin expression, and specific keratins form after hair differentiation.
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February 2010 in “Journal of The American Academy of Dermatology” A cancer drug caused unusual hair growth on a 100-year-old man's scalp and eyelashes.
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December 1991 in “Annals of the New York Academy of Sciences” Hair growth can be induced by certain cells found at the base of hair follicles, and these cells may also influence hair development and regeneration.
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July 2008 in “British Journal of Dermatology” CD10 and CD34 levels change during hair development and different hair growth stages, which could be important for hair regeneration treatments.
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April 1994 in “Journal of Investigative Dermatology” Androgen receptors found in monkey scalps, similar to humans, affect hair growth.
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January 2018 in “Advances in Experimental Medicine and Biology” The document concludes that hair follicles have a complex environment and our understanding of it is growing, but there are limitations when applying animal study findings to humans.
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January 2009 in “Journal of Dermatology and Venereology” Cells from the upper hair follicle grow more actively, suggesting stem cells may be located there.
April 2021 in “Journal of Investigative Dermatology” Leontopodium alpinum extract may help reduce hair shedding by keeping hair in the growth phase longer.
October 2019 in “Skin appendage disorders” The vitreous membrane in hair follicles changes shape during the hair cycle and may affect hair growth and nutrient exchange.
February 2010 in “Journal of the American Academy of Dermatology” Activating cAMP and ATP improves hair growth and strength.
September 2007 in “PubMed” Implanted human scalp cells can regenerate hair-like structures in mice.
January 2007 in “Chinese journal of plastic surgery” Sodium fluoride increases cell death in hair follicles, but sodium selenite can reduce this effect.
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June 2010 in “Medicina de Familia SEMERGEN” The girl's "dandruff" was actually harmless hair casts, not a hygiene issue.
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October 1999 in “Development” Activated LEF/TCF complexes are crucial for hair development and cycling.
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January 2001 in “Cell” Adult mouse skin contains stem cells that can create new hair, skin, and oil glands.
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December 1986 in “The journal of cell biology/The Journal of cell biology” Hair and nail cells share similar proteins, indicating a common differentiation pathway.
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January 2005 in “International review of cytology” More research is needed to understand how hair keratins work and their role in hair disorders.
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November 2003 in “The Journal of Cell Biology” BMP receptor IA is essential for proper hair cell differentiation in mice.
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April 1988 in “Differentiation” Human and bovine hair follicles have distinct cytokeratins specific to hair-forming cells.
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January 1997 in “Birkhäuser Basel eBooks” Keratin proteins and their genes are crucial for hair growth and structure.
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February 2008 in “Nature genetics” Mutations in the P2RY5 gene cause autosomal recessive woolly hair.
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March 1999 in “Journal of Investigative Dermatology” Keratin 15 helps maintain tissue integrity and is reduced in activated keratinocytes.
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November 1989 in “The Journal of Cell Biology” Keratin K14 expression varies between hair follicles and epidermis, affecting cell differentiation.
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June 2000 in “The American journal of pathology” The absence of functional sebaceous glands causes hair follicle destruction and scarring alopecia.
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July 1995 in “Biochemical and biophysical research communications” Male hormones promote hair cell growth by using a growth factor from nearby skin cells.
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July 2007 in “Journal of Investigative Dermatology” A substance called DKK-1 increases in balding areas and causes hair cells to die when exposed to DHT.
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September 2001 in “Genes & development” CDP is crucial for lung and hair follicle cell development.