1328-放射性药物联合CAR-T治疗神经母细胞瘤的研究 episode artwork

EPISODE · Jul 24, 2026 · 17 MIN

1328-放射性药物联合CAR-T治疗神经母细胞瘤的研究

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这项研究探讨了放射性药物治疗(RPT)与CAR T细胞疗法联合应用,在治疗儿童恶性肿瘤神经母细胞瘤中的显著增效作用。研究利用靶向VLA-4的放射性药物[67Cu]Cu-LLP2A对肿瘤进行预处理,发现该方法能有效克服单一疗法在应对实体瘤时的局限性。针对放射敏感型肿瘤,RPT通过直接杀伤肿瘤细胞并激活TNF-α信号通路来增强T细胞的抗癌活性。而在放射耐受型肿瘤中,RPT通过重塑肿瘤微环境,减少抑制性巨噬细胞并诱导产生利于免疫反应的生态位。实验结果表明,这种联合方案能诱导小鼠模型中肿瘤的显著退缩,且由于RPT具有精准定位和长半衰期的特性,能最大限度降低对免疫细胞的毒性。该发现为开发更有效的实体瘤免疫治疗策略提供了重要的临床前依据。References:Rodriguez C, Edinger R S, Diehl G, et al. A radiopharmaceutical enhances CAR T cells against radio-sensitive and radio-resistant neuroblastoma by tumor sensitization and TME remodeling[J]. Cell Reports Medicine, 2026.前往小宇宙评论区与主播互动

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1328-放射性药物联合CAR-T治疗神经母细胞瘤的研究

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