166 citations,
August 2010 in “Proceedings of the National Academy of Sciences of the United States of America” Scientists found a new, less invasive way to study body clocks using hair cells, which shows shift workers' body clocks don't match their lifestyles.
165 citations,
June 2007 in “European Journal of Cell Biology” Hair follicle stem cells are key for hair and skin regeneration, can be reprogrammed, and have potential therapeutic uses, but also carry a risk of cancer.
145 citations,
November 2018 in “Nature Communications” The Sonic hedgehog pathway is crucial for new hair growth during mouse skin healing.
117 citations,
March 2017 in “Nature Communications” Macrophages help regrow hair by activating stem cells using AKT/β-catenin and TNF.
103 citations,
November 2014 in “Journal of Cell Biology” MicroRNA-214 is important for skin and hair growth because it affects the Wnt pathway.
100 citations,
November 1996 in “Molecular Medicine Today” Growth factors and cytokines are important for hair growth and could potentially treat hair loss, but more research is needed to overcome challenges before they can be used in treatments.
95 citations,
May 2012 in “British Journal of Dermatology” Androgens block hair growth by disrupting cell signals; targeting GSK-3 may help treat hair loss.
86 citations,
December 2001 in “Experimental dermatology” Mutant mice help researchers understand hair growth and related genetic factors.
83 citations,
January 2015 in “World Journal of Stem Cells” Hair follicle regeneration needs special conditions and young cells.
82 citations,
May 2009 in “Development” EGF and KGF signalling prevent hair follicle formation and promote skin cell development in mice.
72 citations,
June 2001 in “Journal of Investigative Dermatology” S100A4 and S100A6 proteins may activate stem cells for hair follicle regeneration and could be potential targets for hair loss treatments.
71 citations,
January 2019 in “International journal of biological sciences” Exosomes from dermal papilla cells help hair growth by making hair follicle stem cells multiply and change.
70 citations,
December 2004 in “Differentiation” The study identified and characterized new keratin genes linked to hair follicles and epithelial tissues.
62 citations,
November 2009 in “Aging Cell” Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.
54 citations,
October 2002 in “Journal of controlled release” Medium lipophilic substances penetrate skin best, and adding ethanol can increase delivery to hair follicles.
53 citations,
May 2010 in “Journal of Cellular Physiology” Mice without Vitamin D receptors have hair growth problems because of issues in the hedgehog signaling pathway.
52 citations,
October 2012 in “Journal of Dermatological Science” The document concludes that mouse models are crucial for studying hair biology and that all mutant mice may have hair growth abnormalities that require detailed analysis to identify.
51 citations,
September 2020 in “Cell Metabolism” Glutamine metabolism affects hair stem cell maintenance and their ability to change back to stem cells.
48 citations,
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.
47 citations,
June 2019 in “Nature Communications” Noncoding dsRNA boosts hair growth by activating TLR3 and increasing retinoic acid.
45 citations,
November 2017 in “Biomaterials” Researchers found a new way to create hair-growing structures in the lab that can grow hair when put into mice.
45 citations,
October 2014 in “Stem cell research & therapy” Modified rat stem cells on a special scaffold improved blood vessel formation and wound healing in skin substitutes.
45 citations,
May 2003 in “Journal of Cell Science” α3β1-integrin is crucial for maintaining normal hair follicle shape and function but not needed for the development of the surrounding skin.
42 citations,
July 2014 in “Journal of biological chemistry/The Journal of biological chemistry” Heparan sulfate is important for hair growth, preventing new hair formation in mature skin, and controlling oil gland development.
40 citations,
May 2016 in “Proceedings of the National Academy of Sciences of the United States of America” Changes in keratin make hair follicles stiffer.
35 citations,
July 2018 in “Cell Reports” The study found that a specific area of the hair follicle helps start hair growth by reducing the blocking effects on certain cells and controlling growth signals.
33 citations,
August 2013 in “Journal of Investigative Dermatology” Human hair follicle stem cells show signs of low oxygen levels, which may be important for hair growth and preventing baldness.
32 citations,
April 2016 in “Journal of Investigative Dermatology” STAT5 activation is crucial for starting the hair growth phase.
28 citations,
July 2008 in “Developmental Biology” Smad4 is important for healthy hair follicles because it helps produce a protein needed for hair to stick together and grow.
26 citations,
January 2019 in “Experimental Dermatology” Researchers created early-stage hair-like structures from skin cells, showing how these cells can self-organize, but more is needed for complete hair growth.