10 citations,
February 2016 in “Journal of Dermatological Science” Skin sheath cells help in hair growth and renewal after birth.
8 citations,
February 2016 in “The American Journal of Dermatopathology” Hair transplants can make hair follicles larger and hair shafts thicker.
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.
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.
131 citations,
July 2009 in “Experimental Dermatology” The document concludes that specific cells are essential for hair growth and more research is needed to understand how to maintain their hair-inducing properties.
71 citations,
October 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” HFMs can help study hair growth and test potential hair growth drugs.
36 citations,
August 2011 in “Journal of dermatological science” Human hair has a protective lipid layer that can be damaged by moisture and treatments, affecting hair growth and health.
33 citations,
August 2013 in “Journal of Investigative Dermatology” Human hair follicle stem cells show signs of low oxygen levels, which may be important for hair growth and preventing baldness.
33 citations,
January 1997 in “Endocrinology” Testosterone can slow down hair growth when combined with certain cells from bald scalps, and this effect can be blocked by an androgen receptor blocker.
29 citations,
January 2021 in “Journal of Investigative Dermatology” Fat under the skin releases HGF which helps hair grow and gain color.
17 citations,
May 2014 in “Naunyn-Schmiedeberg's Archives of Pharmacology” 7-Phloroeckol from brown algae may help hair grow.
9 citations,
August 2007 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Sheep wool follicles absorb different amino acids at various rates and locations, which could affect wool growth based on diet and genetics.
6 citations,
April 1996 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.
5 citations,
October 2021 in “Frontiers in Cell and Developmental Biology” Fat tissue under the skin affects hair growth and aging; reducing its inflammation may help treat hair loss.
1 citations,
July 2009 in “Journal of dermatology” A 29-year-old man had a jaw plaque diagnosed as follicular mucinosis, linked to nestin-positive hair follicle stem cells.
143 citations,
September 2008 in “Experimental gerontology” Skin aging is due to impaired stem cell mobilization or fewer responsive stem cells.
92 citations,
June 2005 in “Journal of Investigative Dermatology” All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
71 citations,
May 2007 in “The FASEB journal” Human hair follicles produce and respond to erythropoietin, helping protect against stress.
48 citations,
December 2004 in “Differentiation” Tooth papilla cells can help regenerate hair follicles and grow hair.
45 citations,
October 2014 in “Stem cell research & therapy” Modified rat stem cells on a special scaffold improved blood vessel formation and wound healing in skin substitutes.
43 citations,
January 2011 in “Plastic and Reconstructive Surgery” Stem cells have great potential for improving wound healing, but more research is needed to find the best types and ways to use them.
22 citations,
November 2012 in “Journal of cosmetic dermatology” Stem cells can rejuvenate skin, restore hair, and aid in wound healing.
17 citations,
December 2001 in “Journal of Investigative Dermatology” The osteopontin gene is active in a specific part of rat hair follicles during a certain hair growth phase and might affect hair cycle and diseases.
4 citations,
January 2022 in “Life” Tissue engineering could be a future solution for hair loss, but it's currently expensive, complex, and hard to apply in real-world treatments.
4 citations,
January 2015 in “International Journal of Trichology” Transplanted hair follicles can change and adapt to new areas of the body, with the immune system possibly playing a role in this adjustment.
1 citations,
January 2019 in “Elsevier eBooks” Electrospun matrices help regenerate skin and hair follicles using PCL and collagen scaffolds.
November 2013 in “Elsevier eBooks” Skin and hair renewal is maintained by both fast and slow cycling stem cells, with hair regrowth primarily driven by specific stem cells in the hair follicle bulge. These cells can also help heal wounds and potentially treat hair loss.
21 citations,
November 2017 in “Scientific Reports” Different human hair follicle stem cells grow at different rates and respond differently to a baldness-related compound.
82 citations,
September 2018 in “Nature Communications” A certain smell receptor in hair follicles can affect hair growth when activated by a synthetic sandalwood scent.
8 citations,
September 2008 in “Medical Hypotheses” The paper suggests that hair loss might be caused by skull growth, not just DHT's effect on hair follicles, and calls for more research.