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阻断MIF分泌增强了CAR T细胞对神经母细胞瘤的疗效

Josephine G M Strijker¹, Guillem Pascual-Pasto², Grant P Grothusen²

¹Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands.

European journal of cancer (Oxford, England : 1990)

|February 5, 2025

概括

针对神经母细胞瘤瘤微环境 (TME) 中的巨细胞迁移抑制因子 (MIF) 等免疫抑制因子,可以增强仿真抗原受体 (CAR) T 细胞治疗的疗效. 针对MIF的PROTAC技术改善了针对这种儿科癌症的CAR T细胞活性.

科学领域:

在瘤学瘤学.
免疫学免疫学免疫学
基因组学就是基因组学.

背景情况:

化学抗原受体 (CAR) T细胞疗法在癌症治疗方面表现有前途.
免疫抑制性瘤微环境 (TME) 阻碍了CAR T细胞的疗效.
神经母细胞瘤是一种儿科固体瘤,由于其TME,对CAR T细胞疗法提出了挑战.

研究的目的:

识别和准神经母细胞瘤TME中的免疫抑制因素.
在神经母细胞瘤中增强CAR T细胞的疗效.
为儿科恶性瘤开发新的治疗策略.

主要方法:

多omics方法包括单细胞RNA测序 (scRNA-seq) 和质谱学.
功能性测试 (体外和体内) 用于验证候选目标.
蛋白质溶解向金马 (PROTAC) 技术降低免疫抑制因素的作用.

主要成果:

在神经母细胞瘤TME中确定了13种免疫抑制相互作用.
巨细胞迁移抑制因子 (MIF) 已被证实是CAR T细胞功能的强有力的抑制剂.
通过PROTAC介导的MIF降解显著增强了CAR T细胞的激活和杀死能力.

结论:

确定了MIF在神经母细胞瘤TME中的免疫抑制作用.
建立了一个分析管道和治疗策略,以改善CAR T细胞疗法.
针对MIF来增强神经母细胞瘤和其他固体瘤的采用细胞疗法的潜在潜力.

关键词:

通过CAR T细胞疗法进行治疗.免疫抑制的瘤微环境多元期权基金和多元期权基金.神经母细胞瘤的神经母细胞瘤这就是PROTAC.

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