降低CD19表达的调节与CAR-T细胞治疗后的地幔细胞淋巴瘤复发有关
Benedetta Peruzzi1, Alessio Mazzoni1,2, Ilaria Cutini3
1Flow Cytometry and Immunology Diagnostic Unit, Careggi University Hospital, Florence, Italy.
European journal of immunology
|January 23, 2026
概括
卡特-T细胞疗法对患有晚期地幔细胞淋巴瘤的患者初步显示出希望. 然而,恶性B细胞减少了CD19的表达,导致治疗失败.
科学领域:
- 在瘤学瘤学.
- 免疫治疗是一种免疫疗法.
背景情况:
- 膜细胞淋巴瘤 (MCL) 是一种具有攻击性的非霍奇金淋巴瘤.
- 治疗耐药性是晚期MCL的一个重大挑战.
- 化学抗原受体T细胞 (CAR-T) 疗法提供了一种新的方法.
研究的目的:
- 报告CAR-T细胞治疗在患有复发性/耐药性第四阶段MCL的患者的结果.
- 研究治疗失败的机制.
主要方法:
- 一名患有4期MCL的患者,对标准疗法有抗性,接受了CAR-T细胞治疗.
- 在体内监测CAR-T细胞扩张.
- 在治疗前后评估恶性B细胞上的CD19表达.
主要成果:
- 最初的CAR-T细胞疗法是有效的,在体内显著的CAR-T细胞扩张.
- 治疗疗效是暂时的.
- 观察到CD19在恶性B细胞表达的下调,与治疗失败相关.
结论:
- 卡尔-T细胞疗法可以诱导耐火性MCL的初始反应.
- 目标抗原 (CD19) 表达的丧失是复发的一个关键机制.
- 克服抗原逃逸的策略对于MCL的持久反应至关重要.
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