打造消灭癌细胞的“超级守护者” 中国科学家最新成果为癌症免疫疗法提供新思路

Core Viewpoint - The research team from the Chinese Academy of Sciences has developed a method called "histidine scanning" to enhance the sensitivity of T cell receptors (TCRs) in identifying and eliminating cancer cells, significantly improving T cell efficacy in cancer treatment [1][2]. Group 1 - T cells act as a specialized defense unit in the immune system, responsible for conducting safety checks on body cells [1]. - The natural sensitivity of TCRs is limited, allowing some cancer cells to evade detection [1]. - The "histidine scanning" method allows for the rapid identification of key sites on TCRs that are responsible for recognizing cancer cells, leading to enhanced TCR capabilities [1]. Group 2 - The modified TCRs exhibit higher activation levels and stronger killing power, while also being able to distinguish between cancerous and healthy cells, thus minimizing collateral damage [1]. - The research has shown promising anti-cancer effects in mouse models, paving the way for the development of new, efficient, and precise cancer immunotherapies [2].