124 citations,
July 1997 in “Journal of Biological Chemistry” Overexpressing a specific enzyme in mice causes hair loss and female infertility.
21 citations,
October 2009 in “Biochemical Engineering Journal” Stem cell therapy is a promising approach for hair regrowth despite potential side effects.
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6 citations,
October 2014 in “PubMed” Autoimmune diseases like lupus, dermatomyositis, and scleroderma can cause hair loss and other hair problems, and treatments for these diseases might also affect hair.
2 citations,
May 2021 in “International journal of molecular sciences” Stem cells from hair follicles in a special gel show strong potential for bone regeneration.
1 citations,
August 2018 in “Journal of the American Academy of Dermatology” 
Stem cell therapy before hair transplant improves hair growth on scarred scalp.
February 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Activating TLR9 helps heal large wounds and regrow hair by involving a specific type of immune cell.
6 citations,
August 2015 in “Journal of Molecular Histology” Caspase-7 has functions in skin and hair that are not related to cell death.
4 citations,
October 2022 in “Frontiers in public health” Cadmium chloride pollution can cause skin disorders, speed up aging, and prevent hair growth.
June 2021 in “Dermatologic Surgery” 
30 citations,
April 2017 in “European Journal of Cell Biology” CIP/KIP proteins help stop cell division and support hair growth.
16 citations,
April 2015 in “Lasers in Surgery and Medicine” Using a fractional laser can stimulate hair growth, but the intensity and duration of inflammation are crucial. Too much can cause ulcers and scarring. Lower beam energy and fewer treatments are recommended to avoid damage.
August 2023 in “Drug Delivery and Translational Research” Human hair keratin was used to create a scaffold that could help with skin repair.
210 citations,
May 2006 in “The FASEB journal” Oxidative stress causes hair to gray by damaging and killing pigment cells.
18 citations,
July 2016 in “Genetica” BMP4 gene is crucial for hair follicle development in Liaoning cashmere goats.
13 citations,
March 2013 in “International Journal of Cosmetic Science” AcSDKP may help prevent skin and hair aging and promote their growth.
Combining Nanofat with PRP is a safe and effective treatment for female pattern hair loss.
29 citations,
March 2016 in “Cell cycle/Cell cycle (Georgetown, Tex. Online)” Isoproterenol helps hair follicle stem cells turn into beating heart muscle cells.
13 citations,
December 1983 in “Canadian journal of zoology” Heterotypic cell contacts likely help hair matrix cells differentiate during mouse hair follicle development.
7 citations,
February 2009 in “Cell and tissue biology” June 2021 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” 
13 citations,
January 1963 in “Radiation Research” X-ray microbeams can mimic cosmic rays' effects on tissue, aiding wound healing and hair growth.
January 2005 in “JAPANESE JOURNAL OF CLINICAL PHARMACOLOGY AND THERAPEUTICS” January 2025 in “Advances in experimental medicine and biology” 
218 citations,
May 2014 in “Experimental Dermatology” Skin fat cells help with skin balance, hair growth, and healing wounds.
[object Object] 169 citations,
February 2018 in “Immunity” Inactive stem cells in hair follicles and muscles can avoid detection by the immune system.
34 citations,
July 1999 in “Journal of The European Academy of Dermatology and Venereology” Iron deficiency is not a significant cause of hair loss in women.
28 citations,
July 2011 in “Journal of Plastic Reconstructive and Aesthetic Surgery” A patient had skin tissue death at the hair removal site after a hair transplant, which was treated with surgery.