CCR4表达定义了T细胞急性淋巴细胞白血病的可向子集
Jason Xu1, Michael McCoy2, Zachary Martinez3
1Department of Internal Medicine, Stanford University, Stanford, CA, United States.
Blood advances
|February 11, 2026
概括
研究人员确定了化学激素受体4 (CCR4) 作为T细胞急性淋巴细胞白血病 (T-ALL) 的新目标. 临床前研究表明,抗CCR4 CAR-T疗法在耐火性T-ALL模型中是有效的.
科学领域:
- 免疫学 免疫学 免疫学
- 在瘤学瘤学.
- 基因组学就是基因组学.
背景情况:
- 复发/耐药的T细胞急性淋巴细胞白血病 (T-ALL) 由于治疗选择有限和化学疗法耐药性,预后不佳.
- 现有的T-ALL表面抗原标面临挑战,包括T细胞兄弟杀伤,治疗期间的枯竭和目标负性复发.
研究的目的:
- 确定T细胞急性淋巴细胞白血病 (T-ALL) 的新型表面标.
- 评估针对T-ALL.中的化学因受体4 (CCR4) 的治疗潜力.
主要方法:
- 利用流动细胞测量,单细胞基因组学和大量RNA测序.
- 分析了AALL0434临床试验中接受治疗的40名患者的T-ALL微环境.
- 在临床前的体外和体内模型中开发和测试了抗CCR4 CAR-T.
主要成果:
- 在T-ALL.中鉴定出一种骨髓丰富的CCR4+FOXP3+T调节细胞的亚群.
- 这些细胞表达免疫检查点,包括PD-1和TIGIT,使它们易受抗CCR4治疗.
- 在T-ALL模型中证明了抗CCR4 CAR-T的临床前疗效.
结论:
- 化基因受体4 (CCR4) 是T细胞急性淋巴细胞白血病 (T-ALL) 的一个有前途的新型表面标.
- 抗CCR4疗法,特别是CAR-T,显示出治疗化疗耐药T-ALL的潜力.
- 需要进一步的翻译努力,为患者提供抗CCR4 CAR-T疗法.
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