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针对B7-H3的CAR-T细胞活动在固体癌症中通过放射治疗得到增强

Marco Ventin¹, Giulia Cattaneo¹, Luke Maggs¹

¹Division of Gastrointestinal and Oncologic Surgery, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States.

Frontiers in oncology

|July 24, 2023

概括

放射疗法可以增强仿真抗原受体 (CAR) T细胞治疗对固体瘤的有效性. 这种组合克服了抵抗机制,改善了CAR T细胞消除TNBC,HNSCC和PDAC等癌症的机制.

科学领域:

在瘤学瘤学.
免疫治疗是一种免疫疗法.
辐射瘤学辐射瘤学

背景情况:

化学抗原受体 (CAR) T细胞疗法在血液癌症中取得了成功,但在固体瘤中面临挑战.
固体瘤具有多种抵抗机制,限制了CAR T细胞的疗效.
克服这些障碍对于推进CAR T细胞治疗至关重要.

研究的目的:

研究放射疗法在固体瘤中增强CAR T细胞疗法的潜力.
探索如何辐射治疗可以克服对CAR T细胞治疗的抗性.
评估放射治疗和B7-H3 CAR T细胞对特定固体癌症的联合作用.

主要方法:

文献审查和现有数据的分析.
放射治疗对固体瘤对CAR T细胞敏感性的影响的实验研究.
专注于三阴性乳腺癌 (TNBC),头角状细胞癌 (HNSCC) 和胰腺管道腺癌 (PDAC).

主要成果:

放射治疗增加了固体瘤 (TNBC,HNSCC,PDAC) 对B7-H3 CAR T细胞治疗的敏感性.
机制包括减少癌细胞的增殖和改变apoptotic分子的表达.
还观察到向抗原 (B7-H3) 的升调,增强了CAR T细胞的识别.

结论:

放射治疗可以显著提高CAR T细胞治疗在固体瘤中的疗效.
组合策略有望克服耐药性并增强抗瘤反应.
对这些结合方法的进一步研究有必要进行临床应用.

关键词:

B7-H3 汽车汽车汽车结合疗法是一种组合疗法.免疫疗法免疫疗法辐射疗法辐射疗法固体癌症是一种固体癌症.

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