使用ACE2-Tethered微/纳米粒子抑制SARS-CoV-2尖端蛋白伪型病毒感染
Soha Y Alkhaldi1, Ian Peng1, Ching-An Peng1
1Department of Chemical and Biological Engineering, University of Idaho, Moscow, ID 83844, USA.
Bioengineering (Basel, Switzerland)
|June 28, 2023
概括
研究人员开发了ACE2功能化的微/纳米粒子来对抗SARS-CoV-2. 这些颗粒有效地阻止病毒感染细胞,提供了对抗COVID-19变种的有希望的策略.
科学领域:
- 生物技术是生物技术.
- 病毒学 病毒学
- 纳米医学是一种纳米医学.
背景情况:
- 严重急性呼吸道综合征冠状病毒2 (SARS-CoV-2) 导致COVID-19,需要新的治疗策略.
- 病毒使用血管酶转化酶2 (ACE2) 受体进入宿主细胞.
- 病毒突变推动了对不断演变的SARS-CoV-2菌株采取有效对策的需求.
研究的目的:
- 开发和评估ACE2功能化的微/纳米颗粒作为对抗SARS-CoV-2感染的诱策略.
- 调查与可溶性ACE2相比,固定ACE2对阻断病毒进入的颗粒的有效性.
主要方法:
- 使用重组DNA技术制造了ACE2-链维丁融合蛋白.
- 蛋白质被固定在生物化光聚烯微/纳米粒子 (0.155微米) 上.
- 评估了ACE2绑定颗粒抑制伪型林氏病毒进入ACE2表达细胞的能力.
主要成果:
- 结合ACE2的微/纳米粒子成功地阻止病毒进入细胞.
- 与可溶性ACE2相比,微型颗粒 (2和5微米) 显示出比溶性ACE2更好的病毒附着和进入的抑制.
- 功能化的颗粒作为有效的诱,阻止了SARS-CoV-2菌株的感染.
结论:
- 具有ACE2功能的微/纳米粒子代表了一种可行的诱策略,可以中和SARS-CoV-2.
- 基于颗粒的诱在阻止病毒感染方面,比可溶性形式更有效.
- 这种方法有可能开发针对COVID-19的新型预防和治疗干预措施.
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