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摘要: 中国恶性肿瘤发病率和死亡率居全球第一,降低肿瘤复发率和死亡率的研究进展迫在眉睫。其中发展较快,治疗效果较好的方式是嵌合抗原受体(chimeric antigen receptor,CAR)T细胞治疗,但是单靶向CAR-T细胞治疗恶性肿瘤存在抗原丢失、肿瘤复发等局限性,目前国内外通过构建多靶向CAR-T治疗肿瘤可以同时识别和靶向两个及两个以上肿瘤相关抗原,从而有效避免抗原逃逸和防止肿瘤复发。本文重点综述目前正在开发和测试的多靶向CAR-T细胞治疗恶性肿瘤的研究进展,以及多靶向CAR-T细胞治疗的优势和克服单靶向CAR-T细胞治疗后肿瘤复发的局限性,并探讨多靶向CAR-T联合其他方式的治疗效果。多靶向CAR-T细胞治疗有望成为提高抗癌疗效和缓解癌症进展的方法之一。Abstract: China has the highest incidence of malignant tumors and associated mortality worldwide; efforts are underway to reduce their recurrence rate and fatality. However, single-target chimeric antigen receptor (CAR) T cells used in the treatment of malignant tumors are prone to antigen target loss, tumor recurrence, and other limitations. Presently, multi-target CAR-T cells that can identify and target two or more tumor-related antigens have been developed in China and in the rest of the world; these cells can be used to effectively avoid antigen escape and prevent tumor recurrence. In this review, we have focused on the progress in multi-target CAR-T strategies currently being developed and tested for the treatment of malignant tumors. We have also discussed the advantages of multi-targeted CAR-T cell therapies and measures to overcome limitations, such as tumor recurrence after single-targeted CAR-T-cell treatment; we have also analyzed the therapeutic effects of multi-targeted CAR-T-cell treatments combined with other regimen. The use of multi-target CAR-T cells as a new therapeutic option to improve anticancer efficacy and reduce cancer progression, has also been proposed.
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