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通过T细胞命运的表观遗传调节,优化固体瘤的采用细胞疗法

Xuemeng Guo¹, Xiang Li¹, Sijie Wang¹

¹College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang, 310058, P. R. China.

Advanced healthcare materials

|September 20, 2024

概括

这项研究开发了一种新的药物组合,G3C12和沃里诺斯塔特 (SAHA),通过微球传递用于采用细胞疗法. 这种方法增强了T细胞的透和功能,提高了癌症治疗在固体瘤中的疗效.

科学领域:

在瘤学瘤学.
免疫学免疫学免疫学
生物技术是生物技术.

背景情况:

采用细胞疗法 (ACT) 显示出癌症治疗的希望,但与固体瘤透和T细胞功能障碍作斗争.
素乙化对于恢复瘤微环境中的T细胞功能至关重要.

研究的目的:

开发一种新的药物输送系统,以提高在固体瘤中的ACT疗效.
研究G3C12和沃里诺斯塔特 (SAHA) 对改善T细胞招募和功能的协同作用.

主要方法:

将G3C12和伏利诺斯塔特 (SAHA) 联合加载到PLGA微球中,用于内注射.
在"冷" (4T1) 和"热" (CT26) 瘤模型中评估G3C12+SAHA@PLGA配方的疗效.

主要成果:

通过调节IFN-γ结合,G3C12增强了T细胞的招募.
作为一种基因素脱乙酶抑制剂的SAHA促进了T细胞记忆表型,并防止了疲劳.
协同方法在两个测试的瘤模型中显著增加了ACT的疗效.

结论:

将表观遗传调节 (SAHA) 与招募信号 (G3C12) 结合起来,为增强固体瘤的ACT提供了一个强有力的策略.
开发的G3C12+SAHA@PLGA微球系统显示了改善癌症免疫治疗结果的潜力.

关键词:

T细胞的表型调节T细胞的表型调节招募T细胞的方法采用细胞疗法采用细胞疗法表观遗传调节表观遗传调节固体瘤是一种固体瘤.

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