76 citations,
December 2006 in “Journal of Dermatological Science” Japanese women typically start experiencing hair loss after 40, with reduced hair density and thickness being the main factors.
31 citations,
November 2015 in “PloS one” Reducing Tyrosinase prevents mature color pigment cells from forming in mouse hair.
26 citations,
October 2012 in “Dermatologic Clinics” The document details hair transplantation techniques and innovations, highlighting Follicular Unit Transplantation as the standard and discussing the effectiveness and challenges of the procedure.
July 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Chitosan slows root hair growth and causes a buildup of callose at low concentrations, but at high concentrations, it only inhibits growth without callose buildup.
86 citations,
May 2008 in “Cytokine & growth factor reviews” TNF family proteins are crucial for the development of skin features like hair, teeth, and mammary glands.
271 citations,
March 1999 in “Developmental biology” The research shows that a gene called Wnt3 affects hair growth and structure, causing short hair and balding when overactive.
3 citations,
March 2023 in “Scientific Reports” Researchers developed a new method to test hair growth drugs and found that adult cells are best for hair growth, but the method needs improvement as it didn't create mature hair follicles.
24 citations,
March 2022 in “Frontiers in plant science” Plant root hair growth is mainly controlled by hormones like auxin and ethylene, which promote growth, while others like brassinosteroid inhibit it.
7 citations,
January 2016 in “Methods in molecular biology” Mouse hair follicle stem cells were successfully isolated and used to regenerate hair follicles with two different methods.
1 citations,
April 2012 in “Informa Healthcare eBooks” Some medications for inflammation can cause a condition with scalp rashes and hair loss, often linked to Crohn's disease, and may require treatment changes to prevent permanent hair loss.
226 citations,
September 2001 in “Journal of The American Academy of Dermatology” Hair loss in women is genetic, diagnosed by examination and biopsy, and treated with minoxidil, finasteride, or transplantation.
184 citations,
November 2014 in “Developmental Cell” Hair follicle dermal stem cells are key for regenerating parts of the hair follicle and determining hair type.
56 citations,
December 2011 in “The Plant Journal” AGD1 is important for root hair development in Arabidopsis, working with phosphoinositide signaling and the actin cytoskeleton.
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.
32 citations,
June 2013 in “Journal of Investigative Dermatology” Mice without certain skin proteins had abnormal skin and hair development.
31 citations,
September 2013 in “Stem Cells” Smad1 and Smad5 are essential for hair follicle development and stem cell sleepiness.
15 citations,
May 2004 in “Facial Plastic Surgery Clinics of North America” New techniques in hair restoration surgery can fix unnatural results from old methods, improving patient self-esteem.
14 citations,
March 1995 in “Journal of cell science” SV40 T antigen in hair follicles causes abnormal hair and health issues in mice.
10 citations,
June 2000 in “Primary Care” The document explains different hair loss types and treatments, emphasizing diagnosis through examination and tests, and specific treatments for each condition.
5 citations,
January 2013 in “Cells Tissues Organs” Activin B helps start and grow hair follicles in mice.
4 citations,
September 2017 in “Skin appendage disorders” The dog with an Alopecia Areata-like condition showed signs of an autoimmune disease and partially regrew hair without treatment, suggesting dogs could be models for human AA research.
3 citations,
April 2014 in “Journal of Dietary Supplements” CARI ONE helps start hair growth and makes hair follicles bigger and more numerous.
1 citations,
January 2001 in “Cosmetics and toiletries” Procyanidin B-2 from apple juice significantly increases hair growth and may be more effective than minoxidil without side effects.
July 2016 in “Indian journal of science and technology” Neonate scalp hair is thinner, lacks a medulla, and has smaller follicles compared to adult hair.
75 citations,
October 2016 in “Genes & Development” Cells in hair follicles help create fat cells in the skin by releasing a protein called Sonic Hedgehog.
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.
67 citations,
December 2008 in “Developmental Biology” Msx2 and Foxn1 are both crucial for hair growth and health.
60 citations,
June 2019 in “Ageing Research Reviews” Fat from the body can help improve hair growth and scars when used in skin treatments.
46 citations,
January 2020 in “Theranostics” Injecting a special gel with human protein particles can help hair grow.
46 citations,
March 2015 in “Regeneration” Mice can grow new hair follicles after skin wounds through a process not involving existing hair stem cells, but requiring more research to understand fully.