预吸收的化学素调节了冠状病毒蛋白的组成和免疫反应
Ling Han1,2, Yijing Wang1, Hongyan Jia1
1NMPA Key Laboratory for Research and Evaluation of Innovative Drug, Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of chemistry and chemical engineering, Henan Normal University, Xinxiang, Henan 453007, China.
在金纳米颗粒上预吸收的基米素改变了蛋白质冠状,丰富了免疫球蛋白,减少了白蛋白. 这种修改影响了巨细胞的两极分化和免疫反应,指导了纳米医学的发展.
科学领域:
- 生物材料科学 生物材料科学
- 免疫学 免疫学 免疫学
- 纳米技术 纳米技术
背景情况:
- 蛋白质在生物环境中吸附于纳米粒子表面,形成蛋白质冠状,决定生物身份.
- 预吸附分子对蛋白质冠状形成和随后的免疫反应的影响在很大程度上仍未被探索.
研究的目的:
- 为了研究预吸收的化学素 (Chy) 对金纳米粒子 (AuNPs) 上形成的冠状蛋白的组成的影响.
- 评估预吸收的Chy如何影响随后的免疫反应,特别是巨细胞两极分化.
主要方法:
- 在暴露于生物环境之前,金纳米颗粒 (AuNPs) 用化学 (Chy) 进行化.
- 用蛋白质组合学等技术分析了蛋白质冠状组合.
- 在纳米粒子-蛋白冠状相互作用后评估了巨细胞两极分化.
主要成果:
- 在AuNPs上Chy的预吸附导致了富含免疫球蛋白的蛋白冠状.
- 人类血清白蛋白水平在Chy-preadsorbed AuNPs.上形成的蛋白冠状体中降低.
- 改变的蛋白质冠状组成显著影响了巨细胞的两极分化到特定的表型.
结论:
- 像Chy这样的预吸收蛋白质的存在,极大地改变了纳米颗粒上的蛋白质冠状组成.
- 冠状蛋白组成中的这些修改对细胞免疫反应有下游影响.
- 了解这些相互作用对于设计具有量身定制的生物身份和功能的向纳米医学至关重要.
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