94 citations,
May 2011 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Hair follicles greatly increase caffeine absorption through the skin shortly after it's applied.
92 citations,
June 2005 in “Journal of Investigative Dermatology” All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
90 citations,
January 1979 in “International review of cytology” Wool follicles are complex, involving interactions between different cell types and structures.
87 citations,
January 2016 in “Development” Blocking β-catenin in skin cells improves hair growth during wound healing.
86 citations,
December 2001 in “Experimental dermatology” Mutant mice help researchers understand hair growth and related genetic factors.
82 citations,
May 2009 in “Development” EGF and KGF signalling prevent hair follicle formation and promote skin cell development in mice.
75 citations,
January 2009 in “International journal of trichology” Hair grays due to oxidative stress and fewer functioning melanocytes.
68 citations,
November 2012 in “Journal of Investigative Dermatology” Prostaglandin D2 blocks new hair growth after skin injury through the Gpr44 receptor.
66 citations,
July 2015 in “Journal of Molecular Biology” The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.
65 citations,
November 2012 in “Tissue Engineering Part B-reviews” Hair follicle stem cells are a promising source for tissue repair and treating skin or hair diseases.
65 citations,
September 2004 in “The American journal of pathology” Blocking BMP signaling causes hair loss and disrupts hair growth cycles.
60 citations,
July 2011 in “Stem Cells and Development” Certain signals and genes play a key role in hair growth and regeneration, and understanding these could lead to new treatments for skin regeneration.
57 citations,
April 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Vitamin D receptor is crucial for starting hair growth after birth.
56 citations,
November 2010 in “Pigment Cell & Melanoma Research” Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.
54 citations,
June 2003 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Disruptions in hair follicle fibroblast dynamics can cause hair growth problems.
52 citations,
April 2013 in “Developmental Cell” Brg1 is crucial for hair growth and skin repair by maintaining stem cells and promoting regeneration.
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.
50 citations,
September 2011 in “Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids” Maintaining the right amount of retinoic acid is crucial for healthy hair and skin.
50 citations,
May 2004 in “Journal der Deutschen Dermatologischen Gesellschaft” Estrogens generally inhibit hair growth and improve skin quality, but their exact effects on hair follicles are complex and not fully understood.
46 citations,
March 2015 in “Regeneration” Mice can grow new hair follicles after skin wounds through a process not involving existing hair stem cells, but requiring more research to understand fully.
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.
43 citations,
August 2018 in “Cell Stem Cell” Hoxc genes control hair growth through Wnt signaling.
42 citations,
February 2021 in “Signal Transduction and Targeted Therapy” Hair follicle regeneration possible, more research needed.
42 citations,
March 2008 in “Molecular and Cellular Endocrinology” Hormones and neuroendocrine factors control hair growth and color, and more research could lead to new hair treatment options.
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.
39 citations,
January 2008 in “Journal of Endocrinology” SCF and c-Kit decrease in AGA hair follicles, possibly affecting hair pigmentation and growth.
38 citations,
June 2017 in “The Journal of Dermatology” Aging in hair follicle stem cells leads to hair graying, thinning, and loss.
38 citations,
September 2014 in “Cell and Tissue Research” The hair follicle infundibulum plays a key role in skin health and disease, and understanding it better could lead to new skin disease treatments.
37 citations,
September 2008 in “The American journal of surgical pathology” Hair follicle hyperplasia is common in both benign and malignant skin lymphoproliferative disorders, with a proposed new term "pseudolymphomatous adnexitis."
36 citations,
November 2009 in “Journal of Investigative Dermatology” Prolactin may affect hair growth differently based on gender and scalp area.