利用维生素C来增强纳米启用光热免疫疗法
Wuxian Deng1,2, Yiyuan Wang1,2, Junyu Wang2
1Department of Radiology, the First Affiliated Hospital of University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001 Anhui, China.
ACS nano
|March 26, 2025
概括
维生素C通过增加瘤细胞对近红外II光热疗法 (NIR-II PTT) 的敏感性来增强光热免疫疗法 (PTI). 这种组合增强了抗瘤免疫力和T细胞透,显示了癌症治疗的前景.
科学领域:
- 在瘤学瘤学.
- 免疫学 免疫学 免疫学
- 生物医学工程 生物医学工程
背景情况:
- 光热免疫疗法 (PTI) 在瘤向和免疫激活方面表现有前途.
- 效率受到免疫反应不足,瘤抗氧化剂和耐药性的限制.
- 需要新的策略来提高PTI的有效性.
研究的目的:
- 研究维生素C (VC) 作为纳米启用近红外II光热疗法 (NIR-II PTT) 的增强剂.
- 评估VC和NIR-II PTT对抗瘤免疫的联合作用.
- 探索与这种联合治疗相关的生物标志物的临床相关性.
主要方法:
- 利用高剂量的维生素C来诱导瘤细胞中的氧化失衡.
- 使用纳米启用近红外II光热疗法 (NIR-II PTT) 与IR1080.
- 评估免疫细胞透和细胞因子表达的变化 (CXCL16).
- 分析了与患者生存率和T细胞透相关的CXCL16和CXCR6水平的临床数据.
主要成果:
- 高剂量的VC使瘤细胞对NIR-II PTT敏感.
- 组合疗法显著增强了抗瘤免疫力.
- 显著上调CXCL16表达和CXCR6+ T细胞透.
- 临床数据支持高CXCL16/CXCR6和改善结果之间的相关性.
结论:
- 维生素C是一种安全,易于获得和具有成本效益的PTI增强剂.
- 将VC与NIR-II PTT结合,可以克服瘤抵抗力,并增强抗瘤免疫力.
- 这种方法在癌症治疗中具有显著的翻译潜力.
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