92 citations,
September 2013 in “Journal of Investigative Dermatology” BMAL1 and Period1 genes can influence human hair growth.
68 citations,
December 2011 in “Journal of Investigative Dermatology” Sox2-positive dermal papilla cells have unique characteristics and contribute more to skin and hair follicle formation than Sox2-negative cells.
54 citations,
January 2013 in “BMC Complementary and Alternative Medicine” Thuja orientalis hot water extract may help hair grow by starting the growth phase and improving hair follicle development.
42 citations,
February 2018 in “International Journal of Molecular Sciences” Minoxidil boosts hair growth by triggering growth factor release from specific stem cells.
42 citations,
September 2015 in “Gene” FGF5s can block the effects of FGF5, which may help control hair growth in cashmere goats.
28 citations,
March 2019 in “Journal of Dermatological Science” The document concludes that while lab results for hair growth promotion are promising, human trials are needed and better testing methods should be developed.
26 citations,
May 2017 in “Lasers in Medical Science” Laser therapy and hair growth factors significantly improve hair density in male baldness.
22 citations,
November 2007 in “Journal of Investigative Dermatology Symposium Proceedings” Hair growth and health are influenced by stress and hormones.
14 citations,
September 2018 in “International Journal of Molecular Sciences” Mackerel-derived fermented fish oil helps hair grow by activating growth pathways and increasing cell proliferation.
13 citations,
March 2020 in “Genes” Disrupting the FGF5 gene in rabbits leads to longer hair by extending the hair growth phase.
1 citations,
January 2017 in “Elsevier eBooks” The document concludes that new treatments for hair loss may involve a combination of cosmetics, clinical methods, and genetic approaches.
December 2022 in “Biochemical and Biophysical Research Communications” HtrA2 activity is crucial for normal hair growth by regulating fat cell development.
107 citations,
December 2013 in “International Journal of Dermatology” The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.
46 citations,
May 1986 in “Seminars in Reproductive Medicine” Testosterone and dihydrotestosterone affect hair growth, and new techniques like the folliculogram help study it, but fully understanding hair growth is still complex.
11 citations,
September 1992 in “Journal of pineal research” Immunizing goats against melatonin can temporarily change their cashmere growth cycles and increase fleece production.
10 citations,
January 2009 in “Elsevier eBooks” Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.
18 citations,
October 2017 in “PLOS ONE” The study concluded that similar pathways regulate hair growth in dogs and mice, and these pathways are disrupted in dogs with Alopecia X, affecting stem cells and hormone metabolism.
July 2023 in “Biomolecules” The circadian clock plays a key role in hair growth and its disruption can affect hair regeneration.
106 citations,
October 2016 in “Cell Stem Cell” PDGFA/AKT signaling is important for the growth and maintenance of certain skin fat cells.
16 citations,
October 2018 in “Biochemical and Biophysical Research Communications” Sildenafil, often used for erectile dysfunction, may help hair growth.
521 citations,
January 1954 in “Physiological Reviews” Hair growth is cyclic and influenced mainly by local factors.
24 citations,
April 2012 in “Developmental Biology” Dermal papillae cells, important for hair growth, come from multiple cell lines and can be formed by skin cells, regardless of their origin or hair cycle phase. These cells rarely divide, but their ability to shape tissue may contribute to their efficiency in inducing hair growth.
12 citations,
December 2009 in “Amino Acids” Putting α-methylspermidine on mouse skin can start hair growth.
5 citations,
December 2006 in “Annals of the New York Academy of Sciences” Minoxidil boosts hair growth by undergoing a process in hair follicles and certain skin cells, and by increasing the production of compounds essential for hair growth and maintenance.
32 citations,
June 2015 in “PLOS ONE” Olive leaf compound oleuropein helps grow hair in mice.
3 citations,
January 2021 in “Applied sciences” Fermented red ginseng and a traditional herb mix improved hair growth in mice.
20 citations,
January 2015 in “Current problems in dermatology” Hair gets thinner, grayer, and changes texture with age due to genetics, environment, and cellular changes, affecting the growth cycle.
23 citations,
December 2020 in “Frontiers in Cell and Developmental Biology” Gene network oscillations inside hair stem cells are key for hair growth regulation and could help treat hair loss.
10 citations,
June 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” FP-1 is a key protein in rat hair growth, active only during the growth phase.
277 citations,
June 2003 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Epithelial-mesenchymal interactions control hair growth cycles through specific molecular signals.