62 citations,
November 2009 in “Aging Cell” Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.
62 citations,
January 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” A second domain of high sulfur KAP genes on chromosome 21q23 is crucial for hair structure.
61 citations,
June 2014 in “Scientific Reports” Wnt1a-conditioned medium from stem cells helps activate cells important for hair growth and can promote hair regrowth.
60 citations,
October 2005 in “Experimental Dermatology” Zinc can both inhibit and stimulate mouse hair growth, and might help recover hair after chemotherapy.
59 citations,
February 2012 in “Journal of Dermatological Science” Environmental factors at different levels control hair stem cell activity, which could lead to new hair growth and alopecia treatments.
56 citations,
November 2010 in “Pigment Cell & Melanoma Research” Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.
53 citations,
May 2010 in “Journal of Cellular Physiology” Mice without Vitamin D receptors have hair growth problems because of issues in the hedgehog signaling pathway.
51 citations,
November 2010 in “Dermatologic Surgery” The research provides specific measurements for hair follicles that can improve hair transplant and regeneration techniques.
51 citations,
January 2004 in “Skin Pharmacology and Physiology” The document explains hair growth and shedding, factors affecting it, and methods to evaluate hair loss, emphasizing the importance of skin biopsy for diagnosis.
50 citations,
August 1999 in “Experimental dermatology” The control system for hair growth cycles is not well understood and needs more research.
47 citations,
June 1996 in “International Journal of Legal Medicine” Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.
43 citations,
March 2009 in “Journal of Cellular and Molecular Medicine” TGF-β2 plays a key role in human hair growth and development.
42 citations,
March 2008 in “Molecular and Cellular Endocrinology” Hormones and neuroendocrine factors control hair growth and color, and more research could lead to new hair treatment options.
41 citations,
October 2008 in “The American journal of pathology” Blocking a specific protein signal can make hair grow on mouse nipples.
40 citations,
May 2016 in “Proceedings of the National Academy of Sciences of the United States of America” Changes in keratin make hair follicles stiffer.
40 citations,
December 2011 in “British Journal of Dermatology” Women's hair generally gets thinner and less dense starting in their mid-thirties, with hair loss becoming more common as they age due to both genetics and environment.
38 citations,
October 2011 in “Analytical biochemistry” Hair proteins have weak spots in their α-helical segments.
36 citations,
February 2018 in “British Journal of Dermatology” Sweat glands and hair follicles are structurally connected within a specific layer of skin fat.
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.
36 citations,
March 2011 in “Nature Communications” Cells from a skin condition can create new hair follicles and similar growths in mice, and a specific treatment can reduce these effects.
32 citations,
December 2013 in “Biological & Pharmaceutical Bulletin” Rice bran extract can potentially treat hair loss by promoting hair growth and increasing the number of hair follicles.
30 citations,
July 2010 in “Experimental Dermatology” Polyamines are important for hair growth, but more research is needed to understand their functions and treatment potential.
29 citations,
August 2017 in “Skin appendage disorders” IGF-1 may affect hair growth and loss, but more research is needed to confirm effective and safe treatments.
27 citations,
September 2018 in “Nanomedicine: Nanotechnology, Biology and Medicine” Further research is needed to improve hair regeneration using stem cells and nanomaterials.
26 citations,
May 2019 in “PLOS ONE” Hair loss patients have different microbes in hair follicles, possibly affecting hair loss.
26 citations,
September 2018 in “Journal of Molecular Cell Biology” Endoglin is crucial for proper hair growth cycles and stem cell activation in mice.
25 citations,
July 2019 in “Experimental Dermatology” Cholesterol balance is important for hair health, and problems with it can lead to hair loss conditions.
25 citations,
February 2019 in “Genomics” Cashmere and milk goats have different hair growth cycles and gene expressions, which could help improve wool production.
25 citations,
November 2014 in “British Journal of Dermatology” Certain transporters are found in human hair follicles and may affect hair growth and loss.
25 citations,
March 2012 in “Journal of oncology pharmacy practice” An 81-year-old man's white hair began to regain its original color while he was treated with lenalidomide, suggesting that graying hair might be reversible.