通过精确向病变性巨细胞来治疗动脉样硬化症的空间调节,顺序激活的DNA纳米设备
Ping Xie1, Xumin Pan1, Ruixi Peng1
1State Key Laboratory of Chemo and Biosensing, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China.
Journal of the American Chemical Society
|February 24, 2026
概括
这项研究介绍了ASfindaCure,一种用于动脉样硬化 (AS) 的智能DNA纳米结构. 它精确地向巨细胞,使无创成像和有效的治疗提供,以减少斑块进展和炎症.
科学领域:
- 生物医学工程 生物医学工程
- 纳米技术纳米技术
- 心血管研究研究心血管研究
背景情况:
- 动脉样硬化 (AS) 是心血管疾病的主要原因,由巨细胞驱动.
- 针对AS治疗的巨细胞是具有挑战性的,因为系统性副作用.
研究的目的:
- 为了开发一个智能的theranostic纳米平台,准确的,时空定位的动性巨细胞.
- 为了实现非侵入性成像和有效的治疗治疗AS.
主要方法:
- 设计了ASfindaCure,一种对多种生物标志物 (SIRPα,血栓,APE1,microRNA-155) 响应的DNA纳米结构.
- 利用结构和动态DNA纳米技术进行可编程生物标志物识别.
- 使用光和光声成像用于巨细胞向和AS评估.
- 在体外和体内向向细胞输送microRNA-33反感性寡核酸.
主要成果:
- 在细胞和小鼠模型中,ASfindaCure精确地向导致AS的巨细胞.
- 通过使用双模态成像来证明AS进展的非侵入性评估.
- 通过提供治疗性寡核酸,显著缓解斑块进展和炎症.
结论:
- ASfindaCure代表了下一代AS治疗的有前途的theranostic纳米平台.
- 该平台显示了治疗涉及向细胞群的其他疾病的潜力.
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