Nat Commun:BCMA/CS1双特异性CAR可防止CAR-T治疗MM时抗原逃逸的发生

2021-05-01 MedSci原创 MedSci原创

嵌合抗原受体(CAR)-T细胞疗法对B细胞恶性肿瘤显示出显著的临床疗效,但存在抗原逃逸和肿瘤复发的缺陷。近日,来自美国的研究人员报告了合理设计和优化双特异性CAR-T细胞,对

嵌合抗原受体(CAR)-T细胞疗法对B细胞恶性肿瘤显示出显著的临床疗效,但存在抗原逃逸和肿瘤复发的缺陷。近日,来自美国的研究人员报告了合理设计和优化双特异性CAR-T细胞,对

耐受B细胞成熟抗原(BCMA)的传统CAR-T细胞疗法的异质性多发性骨髓瘤(MM)具有强大的活性,研究结果已发表于Nat Commun。

结果显示,与同时表达单个BCMA和CS1 CARs的T细胞相比,BCMA/CS1双特异性CAR-T细胞表现出优异的CAR表达和功能。与抗PD-1抗体的联合治疗进一步加速了体内原发肿瘤的清除率,而仅CAR-T细胞疗法即使在肿瘤再次复发时也能实现持久的无瘤生存。

综上所述,BCMA/CS1双特异性CAR是一种有前途的治疗方法,以防止CAR-T细胞治疗MM时的抗原逃逸,垂直整合的优化过程可用于开发针对新型疾病目标的强大的细胞疗法。

 

原始出处:

 

Eugenia Zah, et al., Systematically optimized BCMA/CS1 bispecific CAR-T cells robustly control heterogeneous multiple myeloma. Nat Commun. 2020 May 8;11(1):2283. doi: 10.1038/s41467-020-16160-5.

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    2021-08-02 liye789132251
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    2021-09-21 仁者大医
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    2022-04-01 liuli5079
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    2021-05-03 yykkxiaodou
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