1427-TIGIT阻断增强多发性骨髓瘤CAR-T疗效研究 episode artwork

EPISODE · Aug 13, 2026 · 24 MIN

1427-TIGIT阻断增强多发性骨髓瘤CAR-T疗效研究

from 聊聊Sci

这篇研究探讨了 TIGIT 免疫检查点在多发性骨髓瘤 BCMA-CAR-T 疗法耐药中的关键作用。通过单细胞测序,研究者发现复发患者的 T 细胞高表达 TIGIT,且该分子的水平与肿瘤负荷及不良预后呈正相关。虽然体外抑制 TIGIT 对 CAR-T 功能影响有限,但在人源化小鼠模型中,使用抗 TIGIT 抗体能显著增强细胞扩增、缓解 T 细胞耗竭并提升抗肿瘤疗效。转录组分析进一步揭示,TIGIT 可能通过调控 BATF3 等细胞因子和转录因子通路来干预 T 细胞的活性。该研究表明,将 BCMA-CAR-T 疗法与 TIGIT 阻断相结合是克服多发性骨髓瘤复发的一种极具前景的策略。References:Xia Y, Zhu J, Guo R, et al. Preclinical evaluation of TIGIT as a target to enhance efficacy and mitigate T cell exhaustion in multiple myeloma following BCMA-CAR-T therapy[J]. Cell death & disease, 2025, 16(1): 890.前往小宇宙评论区与主播互动

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1427-TIGIT阻断增强多发性骨髓瘤CAR-T疗效研究

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