致病T细胞可转化为调节性T细胞

Core Insights - Two Japanese research teams have developed a stable and efficient method to convert pathogenic T cells into regulatory T cells, laying the groundwork for precise and safe cell therapies for autoimmune diseases [1][2] Group 1: Research Methodology - The Osaka University team established an innovative strategy to generate antigen-specific regulatory T cells from existing T cell resources in the human body, successfully activating effector T cells and promoting the expression of the key transcription factor Foxp3 [2] - The method has shown broad applicability across various human and mouse memory and effector T cells, effectively controlling autoimmune responses in inflammatory bowel disease and graft-versus-host disease [2] Group 2: Clinical Applications - The Keio University team applied the same technology to a mouse model of pemphigus vulgaris, a disease driven by autoreactive CD4+ T cells, successfully converting pathogenic T cells into stable regulatory T cells [2] - The converted regulatory T cells were able to migrate and accumulate in skin-related lymph nodes, effectively suppressing the activation of pathogenic T cells and the production of autoantibodies, leading to alleviation of skin lesions [2]