114 citations,
December 1951 in “Archives of Dermatology” Aminopterin strongly suppresses epithelial tissues and can treat certain skin conditions but has significant side effects.
156 citations,
October 2012 in “Seminars in Cell & Developmental Biology” Different types of stem cells in hair follicles play unique roles in wound healing and hair growth, with some stem cells not originating from existing hair follicles but from non-hair follicle cells. WNT signaling and the Lhx2 factor are key in creating new hair follicles.
3 citations,
June 2021 in “PLOS ONE” A topical BRAF inhibitor, vemurafenib, can speed up wound healing and promote hair growth, especially in diabetic patients.
21 citations,
July 2006 in “Veterinary dermatology” CD34 marks potential stem cells in dog hair follicles.
5 citations,
October 2016 in “Experimental Dermatology” Activin A is important for creating new hair follicles.
15 citations,
March 2015 in “PloS one” Scientists restored fertility in male mice lacking a key fertility gene by using a modified gene.
108 citations,
November 1980 in “British Journal of Dermatology” Oral retinoids are effective for various skin conditions but have side effects and should not be used during pregnancy.
23 citations,
July 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle bulge cells don't help skin regrow after glucocorticoid damage; interfollicular epidermis cells do.
1 citations,
September 2022 in “Pharmaceutics” The stiffness of a wound affects hair growth during healing, with less stiff areas growing more hair.
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,
May 2017 in “Nature Cell Biology” Hair can regrow after certain stem cells are lost because other stem cells can take over their role.
159 citations,
December 2007 in “American Journal of Pathology” Stress-related substance P may lead to hair loss and negatively affect hair growth.
174 citations,
April 2005 in “The American journal of pathology (Print)” Capsaicin, found in chili peppers, can slow down hair growth by affecting skin cells and hair follicles.
2 citations,
May 2019 in “Advances in wound care” Blood-derived CD34+ cells speed up healing, reduce scarring, and regrow hair in skin wounds.
6 citations,
April 2017 in “Experimental dermatology” CD80CD86 deficiency causes hair loss by disrupting regulatory T cells.
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.
12 citations,
May 2019 in “Stem cell reviews” Fetal-maternal stem cells in a mother's hair can help with tissue repair and regeneration long after childbirth.
86 citations,
May 2002 in “Journal of Investigative Dermatology” A new keratin, hK6irs1, is found in all layers of the hair follicle's inner root sheath.
1010 citations,
August 2000 in “Cell” Hair follicle stem cells can form both hair follicles and skin.
3 citations,
January 2021 in “Oxidative Medicine and Cellular Longevity” Nrf-2-modified stem cells from hair follicles significantly improve ulcerative colitis in rats.
September 2022 in “Research Square (Research Square)” Caffeic acid helps protect rats from the harmful effects of acrylamide.
23 citations,
August 2018 in “Biochimica and biophysica acta. Molecular and cell biology of lipids” Different sPLA2 enzymes affect immunity, skin and hair health, reproduction, and may be potential targets for therapy.
98 citations,
June 2008 in “Human mutation” A genetic change in the EDAR gene causes the unique hair traits found in East Asians.
April 2006 in “Current Opinion in Endocrinology & Diabetes” Testosterone therapy can help improve sexual function, mood, and bone density in women with low androgen levels, but more research is needed on long-term safety.
Human scalp hair follicles have PGE2 and its receptors, which might affect hair growth.
22 citations,
June 2012 in “PLOS ONE” Cholesterol-related compounds can stop hair growth and cause inflammation in a type of scarring hair loss.
6 citations,
March 2020 in “Scientific reports” Hair growth genes work better with more glucose due to changes in gene-regulating markers.
October 2007 in “Postgraduate obstetrics & gynecology” Testosterone therapy can help postmenopausal women with low sexual desire but needs more safety research and should be used with estrogen therapy.
October 2007 in “Postgraduate obstetrics & gynecology” Testosterone therapy can help with androgen deficiency in women but should be used with caution and monitoring due to potential risks.
62 citations,
November 2009 in “Aging Cell” Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.