高致死性精确导向纳米导弹用于广泛的杀毒和抗炎疗法
Ying Li1, Jingran Chen1, Li Xiao2
1State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.
ACS applied materials & interfaces
|May 2, 2025
概括
一种新的纳米导弹疗法提供了广泛的病毒中和和炎症抑制. 这种精确指导的纳米材料准保存的病毒甘氨酸,并通过热来无活化病毒,显示出治疗病毒感染和细胞因子风暴的前景.
科学领域:
- 纳米技术用于抗病毒疗法.
- 生物医学工程用于传染病治疗和治疗.
- 在药物输送系统中的材料科学.
背景情况:
- 包括SARS-CoV-2在内的病毒感染,由于快速突变和耐药性,造成了重大的全球健康威胁.
- 严重的COVID-19涉及细胞因子风暴导致急性呼吸系统应急综合征 (ARDS).
- 现有的治疗方法难以跟上病毒的演变,需要新的治疗策略.
研究的目的:
- 设计一种用于广泛抗病毒和抗炎疗法的精确导向纳米导弹.
- 为病毒中和和抑制炎症反应制定综合战略.
- 在临床前模型中评估纳米导弹的治疗和预防疗效.
主要方法:
- 制造纳米级分子印记聚合物 (纳米MIP) 具有曼诺结合腔.
- 装载纳米MIPs与一个磁热核和绿 (ICG) 用于光热疗法.
- 使用交替磁场 (AMF) 和近红外 (NIR) 激光照射来治疗高温症.
- 评估纳米材料的结合亲和力 (Kd) 与病毒甘氨酸和杀病毒活性.
- 评估抗炎和免疫调节性质.
- 在病毒感染的小鼠模型中测试治疗和预防作用.
主要成果:
- 在AMF和NIR照射下,纳米导弹在60秒内实现了快速高温 (25.2°C至55.9°C).
- 在SARS-CoV-2,HIV-1,LASV和PDCoV.上展示了高亲和度向 (Kd到10-10M) 保存的高曼诺斯甘氨酸.
- 呈现出针对性和 virions 立即热失活的双重机制.
- 显示出显著的抗炎和免疫调节作用.
- 在小鼠中取得了卓越的治疗和预防结果,抑制病毒复制并防止肺损伤.
结论:
- 开发的纳米导弹为消除病毒感染性提供了一个强大的宽频战略.
- 这种方法有效地暂停了与严重病毒感染相关的炎症风暴.
- 精确引导的纳米导弹代表了对抗各种病毒病原体及其相关病理的有希望的新途径.
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