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.
8 citations
,
April 2024 in “The Journal of Dermatology” Neurogenic inflammation may play a role in hair loss in alopecia areata.
7 citations
,
May 2020 in “Trends in molecular medicine” The document concludes that the immune-inhibitory environment of the hair follicle may prevent melanoma development.
39 citations
,
November 2009 in “Clinical and Experimental Dermatology” Immune privilege collapse in hair follicles may cause permanent hair loss in certain conditions.
550 citations
,
December 2005 in “The Journal of clinical investigation/The journal of clinical investigation” Researchers successfully isolated and identified key markers of stem cell-enriched human hair follicle bulge cells.
3 citations
,
May 2008 in “Hair transplant forum international” Common hair loss disorders may not need stem cell therapy, but could benefit from other treatments like hair cycle control and immune restoration therapy.
November 2025 in “Journal of Investigative Dermatology” Ritlecitinib effectively treats severe Alopecia Areata by reducing harmful immune activity in the skin.
5 citations
,
March 2025 in “Pediatric Dermatology” Alopecia areata in children is caused by the immune system attacking hair follicles due to genetic factors.
5 citations
,
November 2008 in “Advances in Dermatology” The review highlights the importance of stem cells in hair health and suggests new treatment strategies for hair loss conditions.
November 2025 in “Frontiers in Immunology” Stem cell activity influences autoimmune disease outcomes by affecting immune responses and tissue regeneration.
4 citations
,
February 2020 in “Cell & tissue research/Cell and tissue research” Hair follicle stem cells might help treat traumatic brain injury.
4 citations
,
April 2010 in “Expert review of dermatology” Restoring immune privilege in hair follicles could help treat certain types of hair loss.
102 citations
,
December 2017 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Restoring hair bulb immune privilege is crucial for managing alopecia areata.
16 citations
,
March 2018 in “Seminars in Oncology” The document concludes that pregnancy and cancer share immune evasion tactics, but more research is needed before using checkpoint blockade immunotherapy in pregnant cancer patients to avoid harm to the placenta.
March 2026 in “Frontiers in Medicine” Different types of alopecia cause hair loss due to immune system issues, with some allowing regrowth and others causing permanent loss.
October 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” A protein called EGFR protects hair follicle stem cells, and when it's disrupted, hair follicles can be damaged, but blocking certain pathways can restore hair growth.
September 2017 in “Journal of Investigative Dermatology” The study found that sweat glands normally suppress immune responses, but this is disrupted in certain skin diseases, possibly contributing to their development.
36 citations
,
April 2016 in “British journal of dermatology/British journal of dermatology, Supplement” A substance called VIP might protect hair follicles from being attacked by the immune system, and problems with VIP signaling could lead to hair loss in alopecia areata.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Mitochondrial dysfunction may contribute to chronic inflammation and immune system issues in Lichen planopilaris.
139 citations
,
October 2005 in “Journal of Investigative Dermatology” The nail matrix has a reduced immune response, protecting it from autoimmunity.
Somatostatin helps hair follicles suppress immune responses, which might aid in treating certain hair loss conditions.
51 citations
,
December 2017 in “Skin Appendage Disorders” Stress may trigger hair loss by affecting immune protection in hair follicles.
134 citations
,
July 2020 in “Experimental dermatology” Hair follicles are normally protected from the immune system, but when this protection fails, it can cause hair loss in alopecia areata.
May 2025 in “Journal of the Egyptian Womenʼs Dermatologic Society” Hair follicles in nonsegmental vitiligo are better protected from immune attacks than in alopecia areata.
March 2024 in “International Journal of Cosmetic Science” Dandruff is linked to increased T cells and weakened immune protection in hair follicles.
3 citations
,
September 2023 in “Frontiers in immunology” Chronic inflammatory skin diseases are caused by disrupted interactions between skin cells and immune cells.
April 2024 in “Frontiers in physiology” Immune cells are crucial for hair growth and preventing hair loss.
253 citations
,
December 2007 in “Journal of Investigative Dermatology” Hair follicles prevent NK cell attacks to avoid hair loss.
21 citations
,
January 2024 in “Science Immunology” Regulatory T cells protect hair follicle stem cells by maintaining immune privilege in the skin.
21 citations
,
June 2011 in “Investigative Ophthalmology & Visual Science” Hair follicles could help develop eye treatments by studying immune responses.