August 2016 in “Journal of Investigative Dermatology” DHT reduces a cell's ability to promote hair growth, while 3D culture without DHT improves it.
August 2016 in “Journal of Investigative Dermatology” The endocannabinoid system affects oil production and inflammation in skin cells.
August 2016 in “Journal of Investigative Dermatology” Zinc deficiency disrupts hair growth and cycle, but zinc supplements can fix this.
January 2015 in “Indian Journal of Medical Biochemistry” Men with early balding should be checked for metabolic syndrome, as there's a link between the two.
February 2011 in “Journal of Investigative Dermatology” New findings suggest targeting IL-23 could treat psoriasis, skin cells can adapt to new roles, direct conversion of skin cells to blood cells may aid cell therapy, removing certain tumor cells could boost cancer immunotherapy, and melanoma may have many tumorigenic cells, not just cancer stem cells.
January 2006 in “Seibutsu Butsuri” Curly and straight hair differ in how their internal fibers are arranged.
August 2016 in “Journal of Investigative Dermatology” 501 citations,
October 2008 in “Psychoneuroendocrinology” Hair cortisol levels can show increased stress during late pregnancy but only for up to six months.
417 citations,
September 2005 in “PLoS biology” Understanding gene expression in hair follicles can reveal insights into hair growth and disorders.
256 citations,
October 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Growing human skin cells in a 3D environment can stimulate new hair growth.
255 citations,
October 1985 in “The Journal of Clinical Endocrinology & Metabolism” Spironolactone treatment increases the amount of testosterone available in the body.
225 citations,
April 2018 in “Journal of Investigative Dermatology” Two main types of fibroblasts with unique functions and additional subtypes were identified in human skin.
204 citations,
October 1999 in “EMBO journal” Overexpression of activin A in mice skin causes skin thickening, fibrosis, and improved wound healing.
188 citations,
May 2009 in “Plant physiology” Researchers found 19 genes important for root hair growth in a plant called Arabidopsis.
173 citations,
January 2014 in “Nature Cell Biology” Wnt signaling controls whether hair follicle stem cells stay inactive or regenerate hair.
162 citations,
April 2016 in “The Lancet Diabetes & Endocrinology” Testosterone therapy in transgender men has both desired effects like increased muscle mass and potential health risks such as higher cardiovascular risk.
153 citations,
October 2012 in “Skin Pharmacology and Physiology” Caffeine in cosmetics may reduce cellulite, protect skin, and stimulate hair growth, but more research is needed on its use and effects.
144 citations,
August 2019 in “Cells” The WNT signaling pathway is important in many diseases and targeting it could offer new treatments.
113 citations,
June 2015 in “Stem Cell Research & Therapy” Wnt and Notch signaling help wound healing by promoting cell growth and regulating cell differentiation.
108 citations,
July 2002 in “Molecular and cellular biology” Overexpressing Dsg3 in mice skin causes excessive cell growth and abnormal skin development.
107 citations,
September 2002 in “Journal of Investigative Dermatology” Researchers found that hair shedding happens mostly when new hair is growing and involves a unique process.
102 citations,
July 2007 in “Genes & Development” A mother's PPARγ is crucial for preventing harmful milk that can cause inflammation and growth problems in babies.
88 citations,
July 2019 in “International Journal of Molecular Sciences” Using human fat tissue derived stem cells in micrografts can safely and effectively increase hair density in people with hair loss.
86 citations,
August 2011 in “Toxicological sciences” TCDD speeds up skin barrier formation by increasing certain gene expressions.
83 citations,
June 2018 in “Frontiers in immunology” Certain types of T cells are essential for healthy skin and play a role in skin diseases, but more research is needed to improve treatments.
77 citations,
July 2012 in “Journal of Investigative Dermatology” Wnt10b overexpression can regenerate hair follicles, possibly helping treat hair loss and alopecia.
72 citations,
December 1996 in “Journal of Investigative Dermatology” Human hair follicles can regenerate after removal, but with low success rate.
71 citations,
June 2001 in “American Journal of Pathology” The p53 protein helps control hair follicle shrinking by promoting cell death in mice.
54 citations,
November 2017 in “Scientific Reports” The study found that certain microRNAs are higher in the cells and lower in the fluid of women with a specific type of polycystic ovary syndrome, and one microRNA could potentially help diagnose the condition.
48 citations,
February 2013 in “Molecular and Cellular Endocrinology” The protein StAR is found in 17 different organs and can affect hair loss and brain functions, but its full role is not yet fully understood.