159 citations,
July 2006 in “Endocrine Reviews” Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.
131 citations,
August 2004 in “Best Practice & Research in Clinical Obstetrics & Gynaecology” The conclusion is that PCOS is caused by ovarian sensitivity to hormones and disrupted hormone control, possibly due to ovarian factors, and more research is needed.
130 citations,
September 2018 in “Cell Reports” Macrophages help heal nerves by aiding the maturation of Schwann cells and are important for nerve repair.
130 citations,
November 2017 in “Frontiers in Immunology” The conclusion is that Treg-targeted therapies have potential, but more knowledge of Treg biology is needed for effective treatments, including for cancer.
122 citations,
July 2005 in “The FASEB journal” Hair follicles produce and respond to melatonin, affecting hair growth and sensitivity to estrogen.
81 citations,
October 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain genes control the color of human hair by affecting pigment production.
80 citations,
April 2011 in “Plant physiology” White lupin uses specific genes to grow root hairs and access phosphorus when it's scarce.
66 citations,
January 2017 in “Acta dermato-venereologica” Isotretinoin's effects and side effects, like birth defects and depression, might be due to it causing cell death in various cells.
65 citations,
February 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Anti-acne medications may work by reducing the activity of a protein involved in acne development.
64 citations,
July 2016 in “Journal of Immunology” Blocking the CXCR3 receptor reduces T cell accumulation in the skin and prevents hair loss in mice.
62 citations,
November 2009 in “Aging Cell” Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.
60 citations,
November 2013 in “Development” Keratin 79 marks a new group of cells that are key for creating and repairing the hair follicle's structure.
56 citations,
February 2010 in “PLOS ONE” Blocking Wnt signaling in young mice causes thymus shrinkage and cell loss, but recovery is possible when the block is removed.
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 2019 in “Journal of Pineal Research” Melatonin improves cashmere goat hair growth and quality by increasing antioxidants and reducing cell death.
45 citations,
December 1991 in “Annals of the New York Academy of Sciences” ECM molecules are crucial for hair growth and development.
43 citations,
August 2016 in “International Journal of Nanomedicine” Eupafolin nanoparticles help protect skin cells from damage caused by air pollution.
43 citations,
July 2013 in “Pharmacological reviews” New research on prostamide F2α has led to treatments for glaucoma and eyelash growth and may have more medical uses.
42 citations,
January 2021 in “Journal of Clinical Medicine” Microneedle arrays with nanotechnology show promise for painless drug delivery through the skin but need more research on safety and effectiveness.
42 citations,
February 2014 in “Stem Cells and Development” Vitamin C helps adipose-derived stem cells grow and may support hair growth.
38 citations,
June 2015 in “Expert Opinion on Therapeutic Targets” Blocking the prolactin receptor might help treat various diseases, but more research is needed.
37 citations,
January 2002 in “British journal of dermatology/British journal of dermatology, Supplement” Apple extract called procyanidin B-2 was found to greatly increase hair growth.
29 citations,
February 2007 in “Hormone and metabolic research” Blocking the androgen receptor in skin cells reduces their growth response to male hormones, suggesting a possible treatment for skin conditions linked to androgens.
25 citations,
May 2020 in “EMBO reports” Calcium is important for stem cell function and maintenance, especially in blood and skin cells.
25 citations,
November 2001 in “Kidney International” Male hormones worsen kidney transplant damage, but blocking them helps.
22 citations,
August 2019 in “Environmental research” Pseudomonas sp. T5-6-I bacteria increase selenium uptake in Brassica oleracea plants by 130%.
21 citations,
January 2019 in “Experimental dermatology” Light therapy using helium-neon lasers can help restore skin color in vitiligo by promoting skin cell growth and movement.
20 citations,
May 2020 in “Experimental Dermatology” Aging scalp skin contributes to hair aging and loss, and more research is needed to develop better hair loss treatments.
19 citations,
January 2009 in “Journal of The European Academy of Dermatology and Venereology” Bald areas have lower cell growth, more DNA damage, and increased cell death.
16 citations,
April 2021 in “International Journal of Molecular Sciences” Micro-current stimulation may promote hair growth more effectively than standard treatments.