81 citations,
December 2009 in “Journal of Dermatological Science” Fat tissue stem cells may help increase hair growth.
81 citations,
September 2005 in “The American journal of pathology” Activin helps skin growth and healing mainly through stromal cells and affects keratinocytes based on its amount.
77 citations,
March 2014 in “Cold Spring Harbor Perspectives in Medicine” Fat cells are important for healthy skin, hair growth, and healing, and changes in these cells can affect skin conditions and aging.
77 citations,
July 2013 in “Best Practice & Research in Clinical Obstetrics & Gynaecology” Menopause reduces skin collagen and elasticity, and while estrogen therapy can help, its risks require careful consideration.
68 citations,
December 1991 in “Annals of the New York Academy of Sciences” Hair growth can be induced by certain cells found at the base of hair follicles, and these cells may also influence hair development and regeneration.
66 citations,
January 2000 in “Hormone Research in Paediatrics” Androgens can both promote and prevent hair growth due to differences in gene expression in hair follicles.
49 citations,
November 2014 in “Journal of Medicinal Food” Red Ginseng Extract may help human hair grow by activating growth pathways and blocking negative effects of certain hormones.
45 citations,
July 2009 in “Journal of Investigative Dermatology” The S100A4 protein is more common in psoriatic skin and could be a target for treating psoriasis.
41 citations,
November 2013 in “Experimental Dermatology” Leptin, a hormone, is important for starting hair growth.
40 citations,
March 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.
35 citations,
July 2018 in “Cell Reports” The study found that a specific area of the hair follicle helps start hair growth by reducing the blocking effects on certain cells and controlling growth signals.
31 citations,
February 2014 in “Journal of dermatological science” Placental growth factor may help treat hair loss.
30 citations,
December 1999 in “Journal of Investigative Dermatology Symposium Proceedings” Steroids, particularly estrogens and 5α-reductase inhibitors, affect blood vessel-related hair growth processes in hair follicle cells.
28 citations,
March 2010 in “Histochemistry and Cell Biology” Different markers are found in stem cells of the scalp's hair follicle bulge and the surrounding skin.
26 citations,
March 2013 in “Journal of Biomedical Materials Research Part A” Researchers created a 3D hydrogel that mimics human hair follicles, which may help with hair loss treatments.
25 citations,
March 2013 in “British Journal of Dermatology” Woman has discoid lupus, frontal fibrosing, and androgenetic alopecia.
25 citations,
June 2004 in “Journal of Investigative Dermatology” Macrophage-stimulating protein helps hair grow and can start hair growth phase in mice and human hair samples.
25 citations,
March 2017 in “Experimental Dermatology” The document concludes that understanding hair follicles requires more research using computational methods and an integrative approach, considering the current limitations in hair treatment products.
22 citations,
December 2013 in “Molecular biology of the cell” ILK is essential for proper hair follicle development and structure.
17 citations,
October 2017 in “Scientific reports” Fine wool sheep have more genes for wool quality, while coarse wool sheep have more for skin and muscle traits.
15 citations,
July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
14 citations,
April 2016 in “Cell Transplantation” Neural stem cell extract can safely promote hair growth in mice.
13 citations,
May 2005 in “Seminars in Plastic Surgery” Follicular Cell Implantation might become a new treatment for hair loss and could lead to advances in organ regeneration.
13 citations,
March 2013 in “International Journal of Cosmetic Science” AcSDKP may help prevent skin and hair aging and promote their growth.
8 citations,
July 2012 in “Cambridge University Press eBooks” Androgens can both increase body hair and cause scalp hair loss.
8 citations,
January 2007 in “International journal of experimental pathology” Hairless HRS/J mice resist Bacillus anthracis skin infections due to high numbers of immune cells, not because they lack hair follicles.
7 citations,
November 2022 in “Communications biology” Keratin injections can promote hair growth by affecting hair-forming cells and tissue development.
7 citations,
October 2018 in “BMC genomics” Key genes can rewire networks, changing skin appendage types.
7 citations,
November 2014 in “Histochemistry and Cell Biology” The we/we wal/wal mice have defects in hair growth and skin layer formation, causing hair loss, useful for understanding alopecia.
4 citations,
January 2018 in “Advances in Experimental Medicine and Biology” The document concludes that hair follicles have a complex environment and our understanding of it is growing, but there are limitations when applying animal study findings to humans.