February 2010 in “Journal of the American Academy of Dermatology” Activating cAMP and ATP improves hair growth and strength.
January 1994 in “Skin research” EGF and TGF-α help maintain hair cell cultures, but TGF-β1 stops their growth.
January 2017 in “Journal of clinical & experimental dermatology research” Scientists have found a way to create hair follicles from human stem cells, which could potentially be used to treat hair loss.
157 citations
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April 1994 in “Clinical endocrinology” Androgens can cause hair growth in some areas and hair loss on the scalp.
99 citations
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April 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicles help skin immune recovery after UVB exposure.
97 citations
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March 2010 in “The American Journal of Human Genetics” A mutation in the KRT74 gene causes tightly curled hair.
70 citations
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December 2004 in “Differentiation” The study identified and characterized new keratin genes linked to hair follicles and epithelial tissues.
69 citations
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October 2013 in “Tissue Engineering Part A” Keratin hydrogel improves nerve regeneration and motor recovery.
64 citations
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March 2005 in “Journal of Investigative Dermatology” Brain-Derived Neurotrophic Factor (BDNF) slows down hair growth and promotes hair follicle regression.
49 citations
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March 2004 in “Journal of Investigative Dermatology” The hHa7 gene is regulated by androgens in certain body hair, not scalp hair.
48 citations
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December 2004 in “Differentiation” Tooth papilla cells can help regenerate hair follicles and grow hair.
42 citations
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March 2018 in “PLOS Biology” Autophagy is important for human hair growth and health.
40 citations
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June 2019 in “Biochemical and Biophysical Research Communications” CHIR99021 helps create human skin with hair follicles, offering hope for hair loss treatments.
35 citations
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March 2007 in “Skin Research and Technology” The conclusion is that exogen is a unique hair cycle phase and the new sampling method specifically targets this stage, which may help in future hair loss research.
33 citations
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July 2007 in “Skin research and technology” Thicker hair is stronger, regardless of age, gender, or other factors.
33 citations
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September 1961 in “Archives of Dermatology” Colchicine causes rapid hair loss by damaging hair follicles.
32 citations
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March 2016 in “American Journal of Physical Anthropology” African hair is curled, Asian hair is thick, European hair is lighter, and chemical methods help identify hair color differences.
31 citations
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August 2000 in “Journal of Investigative Dermatology” Stem cells are key for hair follicle recovery.
30 citations
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November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” The lipid in human hair follicles acts as a barrier, similar to the skin's lipid layer.
30 citations
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September 2004 in “Experimental Dermatology” Scalp hair follicle culture has limits for testing minoxidil's hair growth effects.
30 citations
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August 1993 in “PubMed” IL-1 alpha stops hair follicle growth and hair production.
28 citations
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August 2006 in “The journal of investigative dermatology/Journal of investigative dermatology” Survivin protein is crucial for hair growth and preventing cell death in hair follicles.
28 citations
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December 1997 in “Journal of Biological Chemistry” A genetic mutation in the hHa1 gene creates a smaller, but still functional, hair protein without causing hair problems.
27 citations
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April 2018 in “Artificial Cells Nanomedicine and Biotechnology” Recombinant human hair keratin proteins can effectively stop bleeding.
27 citations
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January 2006 in “Colloids and Surfaces B: Biointerfaces” Researchers found that bulge cells from human hair can grow quickly in culture and have properties of hair follicle stem cells, which could be useful for skin treatments.
26 citations
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January 2016 in “Annals of Dermatology” Ecklonia cava polyphenols help increase human hair growth and reduce hair loss.
25 citations
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December 2018 in “Journal of Investigative Dermatology” TRPV4 slows hair growth by affecting hair follicle cells.
25 citations
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April 2008 in “Archives of Dermatological Research” Encapsulated human hair cells can substitute for natural hair cells to grow hair.
25 citations
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February 2007 in “Forensic science international” Different hair cleaning methods caused varying levels of damage to the hair's outer layer.
22 citations
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October 2018 in “Aesthetic Plastic Surgery” Understanding hair follicle biology and stem cell control could lead to new hair loss treatments.