Alopecia areata involves immune system changes, especially in severe cases, with potential new treatment targets identified.
November 2023 in “Journal of Investigative Dermatology” The study identified key immune cell differences between mild and severe alopecia areata.
February 2026 in “Journal of Allergy and Clinical Immunology” Alopecia areata involves immune system issues and specific cell types that disrupt hair growth, leading to hair loss.
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July 2023 in “Proceedings of the National Academy of Sciences” CD8+ T cells drive alopecia areata, while regulatory T cells are protective.
August 2025 in “Dermatology and Therapy” Alopecia areata involves specific gene changes and immune pathways, offering new treatment targets.