235 citations,
January 2011 in “Journal of Clinical Investigation” Men with baldness due to androgenetic alopecia still have hair stem cells, but lack specific cells needed for hair growth.
231 citations,
October 1999 in “Journal of Clinical Investigation” Activating the Sonic hedgehog gene in mice can start the hair growth phase.
147 citations,
September 2006 in “Developmental Cell” Too much Smad7 changes skin and hair development by breaking down a protein called β-catenin, leading to more oil glands and fewer hair follicles.
119 citations,
December 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” Nanoparticles can deliver vaccines through hair follicles, triggering immune responses and providing protection.
106 citations,
September 2010 in “Stem cells” Skin-derived precursors in hair follicles come from different origins but function similarly.
102 citations,
April 2014 in “PloS one” Wharton’s Jelly stem cells from the umbilical cord improve skin healing and hair growth without scarring.
98 citations,
December 2008 in “Journal of Investigative Dermatology” Prolactin affects hair growth and skin conditions, and could be a target for new skin disease treatments.
92 citations,
November 2006 in “Proceedings of the National Academy of Sciences of the United States of America” BMP signaling controls hair follicle size and cell growth by affecting cell cycle genes.
86 citations,
October 2005 in “Experimental Dermatology” The Foxn1 gene mutation causes hairlessness and immune system issues, and understanding it could lead to hair growth disorder treatments.
82 citations,
March 2012 in “Development” Drosha and Dicer are essential for hair follicle health and preventing DNA damage in skin cells.
80 citations,
April 2018 in “Trends in Molecular Medicine” Lichen Planopilaris and Frontal Fibrosing Alopecia may help us understand hair follicle stem cell disorders and suggest new treatments.
77 citations,
March 2014 in “Cold Spring Harbor Perspectives in Medicine” Fat cells are important for healthy skin, hair growth, and healing, and changes in these cells can affect skin conditions and aging.
72 citations,
November 2017 in “Journal of developmental biology” The Hedgehog signaling pathway is important for skin and hair growth and can lead to cancer if it doesn't work right.
72 citations,
July 2012 in “Journal of Investigative Dermatology” Mice lacking a key DNA methylation enzyme in skin cells have a lower chance of activating stem cells necessary for hair growth, leading to progressive hair loss.
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August 1999 in “Developmental biology” The nude gene causes skin cell overgrowth and improper development, leading to hair and urinary issues.
65 citations,
April 2020 in “International Journal of Molecular Sciences” PRP injections may be a safe, effective alternative for hair loss treatment compared to minoxidil and finasteride.
63 citations,
April 2005 in “Mechanisms of development” Mice with too much Claudin-6 have skin barrier problems and abnormal hair growth.
61 citations,
July 2011 in “PLOS ONE” Spermidine may help reduce hair loss and deserves further testing as a treatment.
61 citations,
September 2008 in “Stem Cells” Most hair follicle stem cells do not protect their DNA by dividing it unevenly.
60 citations,
June 2019 in “Ageing Research Reviews” Fat from the body can help improve hair growth and scars when used in skin treatments.
57 citations,
March 2019 in “Immunity” The document concludes that the skin's immune system is complex, involving interactions with hair follicles, nerves, and microbes, and can protect or cause disease, offering targets for new treatments.
56 citations,
March 2015 in “Journal of Investigative Dermatology” Healthy mitochondria in skin cells are essential for proper hair growth and skin cell interaction in mice.
51 citations,
April 2020 in “Cells” Special cell particles from macrophages can help hair grow.
51 citations,
February 2009 in “Journal of dermatological science” Pitx2 helps outer root sheath cells differentiate but can't start hair growth on its own.
46 citations,
June 2015 in “Journal of Investigative Dermatology” Androgen receptor activity blocks Wnt/β-catenin signaling, affecting hair growth and skin cell balance.
46 citations,
April 2014 in “PLOS ONE” Gray hair may be caused by lower antioxidant activity in hair cells.
45 citations,
April 2016 in “Journal of Dermatological Science” The Wnt/β-catenin pathway can activate melanocyte stem cells and may help regenerate hair follicles.
45 citations,
December 2007 in “The FASEB journal” There are two types of stem cells in rodent hair follicles, each with different keratin proteins.
43 citations,
December 2008 in “Molecular biology of the cell” Disrupting Smad4 in mouse skin causes early hair follicle stem cell activity that leads to their eventual depletion.
42 citations,
June 2019 in “Aging” 3,4,5-tri-O-caffeoylquinic acid promotes hair growth by activating the β-catenin pathway.