January 2026 in “Experimental Dermatology” Skin-resident memory T cells may contribute to chronic alopecia areata and baricitinib could be a potential treatment.
November 2025 in “Journal of Investigative Dermatology” Chronic refractory alopecia areata has more skin-resident memory T cells, and JAK inhibitors may help reduce them.
253 citations
,
December 2007 in “Journal of Investigative Dermatology” Hair follicles prevent NK cell attacks to avoid hair loss.
15 citations
,
July 1999 in “Dermatologic Clinics” The document concludes that immune system abnormalities cause alopecia areata, but the exact process is still not completely understood.
January 2026 in “Journal of Investigative Dermatology” Special cells can help regrow hair in alopecia areata.
90 citations
,
July 2008 in “Dermatologic therapy” Lichen planopilaris is a chronic, scarring hair loss condition with no definitive cure, requiring accurate diagnosis and treatment to manage symptoms.
25 citations
,
February 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” Blocking SCD1 in the skin with XEN103 shrinks sebaceous glands in mice.
21 citations
,
December 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” T-cells in alopecia areata scalp show abnormal regulation, leading to less inflammation.
16 citations
,
November 2005 in “Journal of Investigative Dermatology Symposium Proceedings” Blocking interferon-gamma helps prevent and treat hair loss in Alopecia Areata.
14 citations
,
January 2024 in “Skin Research and Technology” The study suggested certain immune cells might cause alopecia areata, but it was retracted.
9 citations
,
January 2013 in “Journal of Cutaneous and Aesthetic Surgery” Transplanting body hair helped repigment and treat a man's vitiligo.
6 citations
,
November 2018 in “American journal of transplantation” UV light helped human hair transplants survive in mice without broad immunosuppression.
4 citations
,
September 2012 in “Journal of dermatological science” The hair follicle's connective tissue is a key source of a certain collagen in human scalp skin.
May 2025 in “Journal of Inflammation Research” Natural killer and CD8+ T cells play a key role in hair loss in androgenetic alopecia.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” HPV8 causes hair follicle stem cells to grow, leading to skin lesions.
April 2023 in “Journal of Investigative Dermatology” IL-17 plays a key role in severe hair loss in chronic alopecia areata.
October 2021 in “The Egyptian Journal of Hospital Medicine” Alopecia areata causes patchy hair loss and involves immune system disruptions.
April 2012 in “Informa Healthcare eBooks” Syphilitic alopecia is a rare hair loss condition in secondary syphilis that looks similar to another condition but can be diagnosed with specific tests and responds to antibiotics.
November 2005 in “Journal of Investigative Dermatology Symposium Proceedings” The workshop aimed to improve hair loss disorder diagnosis and understanding.
25 citations
,
July 2008 in “British Journal of Dermatology” CD10 and CD34 levels change during hair development and different hair growth stages, which could be important for hair regeneration treatments.
520 citations
,
February 2001 in “Journal of Clinical Investigation” VEGF helps hair grow and determines follicle size by increasing blood vessel growth.
108 citations
,
July 2004 in “American Journal of Pathology” Stress increases a factor in mice that leads to hair loss, and blocking this factor may prevent it.
37 citations
,
November 2003 in “Veterinary pathology” Hair loss in mice starts with immune cells damaging hair roots before it becomes visible.
22 citations
,
June 2013 in “Australasian Journal of Dermatology” Early stage bald spots are linked to skin inflammation and damage to the upper part of the hair follicle.
January 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Potential therapeutic targets for scarring hair loss are identified.
March 2024 in “International Journal of Cosmetic Science” Dandruff is linked to increased T cells and weakened immune protection in hair follicles.
April 2021 in “Sohag Medical Journal” Alopecia areata is an autoimmune condition causing hair loss, linked to genetic factors and immune system issues, with no cure yet.
December 2013 in “Research Portal (King's College London)” Hair loss in Lichen Planopilaris is caused by immune system issues damaging hair follicles and stem cells.
127 citations
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January 2000 in “Journal of Investigative Dermatology” Cytotoxic T cells cause hair loss in chronic alopecia areata.
60 citations
,
September 2015 in “Expert Review of Clinical Immunology” Lymphocytes, especially CD8+ T cells, play a key role in causing alopecia areata, and targeting them may lead to new treatments.