12 citations,
May 2019 in “Stem cell reviews” Fetal-maternal stem cells in a mother's hair can help with tissue repair and regeneration long after childbirth.
5 citations,
November 2002 in “Aesthetic Plastic Surgery” Storing hair follicles at -20°C keeps them good for up to 15 days, which may help with hair transplants.
May 2006 in “Dermatologic Surgery” Most nonbald men's multi-hair follicles are naturally positioned perpendicular to a line from the scalp's crown, which is important for natural-looking hair transplants.
September 2002 in “Dermatologic Surgery” The recipient site can affect the growth and survival of transplanted hair but not its thickness.
62 citations,
January 2000 in “Developmental dynamics” Notch-related genes play a key role in the development and cycling of hair follicles.
3 citations,
May 2006 in “Dermatologic Surgery” Most men's multi-hair follicles naturally stand perpendicular to a line from the top of their head, which is important for natural-looking hair transplants.
March 2017 in “The American Journal of Cosmetic Surgery” Transplanted hair follicles can resist hair loss from an autoimmune condition better than natural hair.
23 citations,
September 2014 in “Journal of The American Academy of Dermatology” The robotic hair restoration device had a high success rate and was faster than manual methods for Korean patients.
September 2023 in “Stem cell reviews and reports” Scientists found a new, less invasive way to get stem cells from horse hair for veterinary medicine.
22 citations,
December 2013 in “Molecular biology of the cell” ILK is essential for proper hair follicle development and structure.
10 citations,
November 2010 in “Pigment Cell & Melanoma Research” Only skin melanocytes, not other types, can color hair in mice.
5 citations,
January 2016 in “Journal of Molecular Histology” Both main and alternative Wnt signaling are important for regrowing rodent whisker follicles.
May 2018 in “Journal of Investigative Dermatology” Fat under the skin can help hair grow longer, darker, and increase cell growth.
11 citations,
June 2005 in “Journal of Cosmetic Dermatology” Lasers in hair transplantation show promise but are not yet standard, with current methods causing some side effects and needles still being preferred for creating recipient sites.
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.
4 citations,
June 2020 in “Journal of Cosmetic Dermatology” The edge out punch is a tool that lowers the chance of damaging hair follicles during hair transplant surgery.
June 2022 in “Genetic engineering & biotechnology news” A new hair loss treatment is being developed using reprogrammed stem cells to grow new hair follicles.
759 citations,
February 2009 in “Current Biology” Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.
286 citations,
June 2012 in “Nature Immunology” Hair follicles help attract immune cells to the skin during stress.
119 citations,
December 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” Nanoparticles can deliver vaccines through hair follicles, triggering immune responses and providing protection.
30 citations,
March 2017 in “ACS biomaterials science & engineering” Hair follicles are valuable for regenerative medicine and wound healing.
11 citations,
October 2021 in “Frontiers in Cell and Developmental Biology” Non-coding RNAs are important for hair growth and could lead to new hair loss treatments, but more research is needed.
8 citations,
February 2016 in “The American Journal of Dermatopathology” Hair transplants can make hair follicles larger and hair shafts thicker.
8 citations,
October 2008 in “Medical hypotheses” Baldness might be caused by scalp weight pressing on hair follicles.
7 citations,
July 2012 in “Regenerative Medicine” New treatments for diabetes, central nervous system repair, and cartilage injury were found, and a way to create functional hair follicles from stem cells was developed.
4 citations,
January 2019 in “Micron” Fetal hair follicles have melanocytes with melanosomes at different stages, which are broken down into pigment particles in keratinocytes.
4 citations,
July 2014 in “Journal of Investigative Dermatology” Old people have less hair because their hair follicles don't regenerate as well, not because of fewer stem cells, and a protein called follistatin might help reactivate hair growth.
1 citations,
December 2015 in “Journal of the Medical Sciences (Berkala Ilmu Kedokteran)” Transplanting melanocyte stem cells from hair follicles can effectively treat vitiligo.
October 2001 in “Dermatologic Surgery” Cutting and implanting hair follicles can create finer, more natural-looking hairlines, with about half of the implanted hairs growing back.
July 1998 in “Dermatologic Surgery” Various techniques and tools for hair restoration were presented in 1998, including a mathematical model for donor area, use of lasers in surgery, methods for controlling grafted hair direction, and ways to increase graft yield. Satisfaction rates were around 39%, and studies showed trauma and dehydration can damage hair follicles.