性酸酶激活NIR-II AIEgens纳米系统用于手术和术后闭环治疗高级骨髓瘤
Kaiyuan Liu1,2, Ruotong Li1, Li Zhang3
1School of Physical Science and Technology & State Key Laboratory of Advanced Medical Materials and Devices, ShanghaiTech University, Shanghai, P. R. China.
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|January 20, 2026
概括
这项研究介绍了一种针对晚期骨髓瘤的新型神经学纳米平台. 它结合成像,光疗和药物输送以向残留瘤并克服免疫抑制,改善治疗结果.
科学领域:
- 生物医学工程 生物医学工程
- 纳米技术纳米技术
- 在瘤学瘤学.
背景情况:
- 由于瘤的入侵,先进的骨肉瘤在完全切除方面存在挑战.
- 免疫抑制性瘤微环境限制了当前免疫疗法的有效性.
- 残留或转移性病变是骨髓瘤复发的主要驱动因素.
研究的目的:
- 开发一种对酸酶 (ALP) 敏感的疗效纳米平台,用于在骨髓瘤中进行成像导向切除和多式疗法.
- 为了整合聚合诱导排放发光剂 (AIEgens) 和HSP90抑制剂以增强治疗效果.
- 为了解决瘤缺氧和逆转乳酸驱动的免疫抑制.
主要方法:
- 为近红外IIb (NIR-IIb) 成像和光疗开发辅助的AIEgen (STEA).
- 整合Ganetespib (HSP90抑制剂) 在一个对ALP反应的纳米细胞结构中.
- 尼尔射线照射诱导热和免疫细胞死亡,结合Ganetespib抑制糖解.
主要成果:
- 纳米平台 (SGPF) 实现了有效的NIR-IIb成像,以提供精确的切除指导.
- 由ALP触发的STEA和Ganetespib的释放,加上 perfluorohexane蒸发,有效地缓解了瘤缺氧.
- 结合光疗和Ganetespib治疗诱导了热和免疫细胞死亡,抑制了糖解,并逆转了免疫抑制.
结论:
- 开发的theranostic纳米平台在增强T细胞透和切除残留/转移性骨髓瘤病变方面表现出协同效应.
- 这种双重行动策略为不可切除骨髓瘤提供了一个有前途的治疗方法.
- 这项研究强调了纳米医学在克服先进癌症治疗方面的挑战方面的潜力.
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