November 2025 in “Journal of Investigative Dermatology” Certain CD8+ T cells attack hair follicles in alopecia areata, suggesting they could be targeted for treatment.
December 2023 in “Journal of Investigative Dermatology” A specific type of immune cell plays a key role in causing alopecia areata and could be a target for treatment.
January 2011 in “Repository KITopen (Karlsruhe Institute of Technology)” This study suggests that contact sensitizers may treat alopecia areata by expanding suppressor cells and interfering with antigen presentation to lymphocytes.
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May 2023 in “The Journal of Immunology” In this animal study, researchers discovered that CD4 T cells from mice with alopecia areata can induce the disease more efficiently than those from unaffected mice, likely by supporting CD8 T cell activation and hair follicle attack.
May 2023 in “The Journal of Immunology” In this study of C3H/HeJ mice, researchers observed that alopecia areata is associated with the expansion of exhausted-memory CD8 T cells in multiple organs, with autoreactive activation not fully explained by known mechanisms, shedding light on the immunological dynamics underlying the condition.