March 2009 in “Chinese Journal of Dermatology” Melanocytes in the outer root sheath are likely stem cells that grow fast but stay immature.
March 2004 in “Journal of The American Academy of Dermatology” Patients with systemic lupus erythematosus and hair loss had fewer hair follicles and non-scarring alopecia; direct immunofluorescence was not helpful in diagnosing lupus in these cases.
March 2004 in “Journal of The American Academy of Dermatology” Patients with SLE experienced non-scarring hair loss with fewer hair follicles, and DIF did not help identify lupus.
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.
March 2023 in “International Journal of Molecular Sciences” ADSC-Exos with miR-122-5p can help treat hair loss by promoting hair growth.
30 citations,
February 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Plet-1 protein helps hair follicle cells move and stick to tissues.
24 citations,
January 2018 in “Development” Frizzled 3 and Frizzled 6 together control the orientation of mouse hair follicles.
23 citations,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Alopecia Areata is an autoimmune disease affecting hair follicles, influenced by genetic and environmental factors, with rodent models being essential for research.
19 citations,
December 2001 in “Dermatologic Therapy” Horizontal scalp biopsy sections are better for diagnosing alopecia areata, showing fewer hair follicles and more miniaturized hairs.
14 citations,
September 2018 in “Asian-Australasian Journal of Animal Sciences” Rex rabbits' hair follicles develop dynamically in the first 8 weeks, with key genes and proteins changing over time.
8 citations,
March 2014 in “American Journal of Pathology” Damaged hair follicles make mice more prone to skin inflammation and skin cancer after UV exposure.
7 citations,
September 2020 in “Frontiers in Cell and Developmental Biology” IL-36α helps grow new hair follicles and speeds up wound healing.
4 citations,
December 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Human scalp hair follicles can produce hormones and have a system similar to a brain-body communication network.
April 2024 in “International Journal of Dermatology” Filler injections can cause temporary hair loss, but hyaluronidase can help restore hair within a few months.
January 2024 in “Biomedicines” Using stem cells from hair follicles to treat female hair loss is safe and effective after six months.
September 2006 in “Plastic and Reconstructive Surgery” Hair transplant surgeries can be improved by preserving follicles in a special solution, and surgeries done at outpatient facilities are more profitable than those at hospitals.
August 2022 in “Nutrients” Nutritional supplements may help improve hair growth in female pattern hair loss.
417 citations,
September 2005 in “PLoS biology” Understanding gene expression in hair follicles can reveal insights into hair growth and disorders.
77 citations,
July 2012 in “Journal of Investigative Dermatology” Wnt10b overexpression can regenerate hair follicles, possibly helping treat hair loss and alopecia.
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.
29 citations,
December 2019 in “Stem Cells Translational Medicine” Fully regenerating human hair follicles not yet achieved.
20 citations,
December 2010 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Decreased CD200 in hair follicles may cause immune issues in some alopecia areata cases.
15 citations,
October 2012 in “Journal of circadian rhythms” RNA from horse hair follicles can track circadian rhythms non-invasively.
11 citations,
March 2020 in “Cellular Signalling” XIST RNA helps regenerate hair follicles by targeting miR-424 and activating hedgehog signaling.
10 citations,
June 2019 in “Journal of Tissue Engineering and Regenerative Medicine” Scientists successfully grew new hair follicles in regenerated mouse skin using mouse and human cells.
10 citations,
January 2019 in “Skin Research and Technology” Southern Chinese women with female pattern hair loss have less, thinner hair and smaller hair follicles.
10 citations,
June 1998 in “International Journal of Dermatology” Inflammation around hair follicles leads to hair loss, and treatments should focus on reducing this inflammation and other factors for effectiveness.
4 citations,
December 2020 in “International journal of research - granthaalayah” Tetracycline can stick to hair follicles and potentially cause hair loss.
1 citations,
July 2005 in “Drugs and the pharmaceutical sciences” Targeting drugs to hair follicles can treat skin conditions, but reaching deep follicle areas is hard and needs more research.
February 2025 in “Stem Cell Research & Therapy” Hair follicle regeneration is advancing but still faces challenges in stability and clinical use.