相关实验视频

Updated: Jun 4, 2025

Intranasal Administration of Recombinant Influenza Vaccines in Chimeric Mouse Models to Study Mucosal Immunity

Intranasal Administration of Recombinant Influenza Vaccines in Chimeric Mouse Models to Study Mucosal Immunity

Published on: June 25, 2015

双工程菌体疫苗平台促进了用于流感保护的STING激活

Fei Wang¹, Shuhan Chen², Yinhe Xia¹

¹Qingdao Key Laboratory of Materials for Tissue Repair and Rehabilitation, School of Rehabilitation Sciences and Engineering, University of Health and Rehabilitation Sciences, Qingdao 266024, China.

ACS applied materials & interfaces

|December 26, 2024

概括

这项研究介绍了一种新的M13菌体和二氧化纳米粒子流感疫苗平台. 这种双重工程方法增强了免疫反应,并提供了对小鼠流感病毒的全面保护.

科学领域:

生物技术是生物技术.
疫苗学疫苗学疫苗学
纳米技术纳米技术

背景情况:

流感疫情对全球健康构成重大威胁,需要先进的疫苗策略.
核酸疫苗很有前途,但需要高效的输送系统和辅助剂才能达到最佳效果.
目前的疫苗技术面临的挑战在于发射和免疫刺激.

研究的目的:

开发一种新的基因和纳米工程流感疫苗发射平台.
用M13菌体和二氧化纳米粒子增强基于核酸的疫苗的输送和免疫性.
评估工程疫苗对流感病毒感染的保护效果.

主要方法:

通过使用二氧化纳米颗粒 (MnO2 NPs) 修改M13菌体,构建了一个疫苗平台.
将M13菌体载入甲型流感病毒的血凝素干基因.
在小鼠模型中评估了疫苗的疗效,免疫反应 (细胞和幽默) 和保护.

主要成果:

M13菌体保护了核酸疫苗免受降解.
MnO2 NPs促进了内解体逃生,并增强了抗原表达.
该工程疫苗诱导了强大的CD4 +,CD8 + T细胞和幽默性免疫反应.
疫苗接种在小鼠中提供了对流感病毒的全面保护,减少了病毒载量并改善了生存率.

结论:

开发了一种结合M13菌体和MnO2NP的双工程菌体疫苗平台.
这个平台通过Mn2+释放和cGAS/STING通路激活来优化核酸疫苗的输送和辅助作用.
工程疫苗显示了针对流感和潜在的其他传染病的合理疫苗设计的广泛适用性.

关键词:

在 MnO2 纳米粒子中.刺的路径刺的路径流感病毒是流感的病毒.菌体是一种菌体.提供疫苗的疫苗.

更多相关视频

A "Plug-And-Display" Nanoparticle Vaccine Platform Based on Outer Membrane Vesicles Displaying SARS-CoV-2 Receptor-Binding Domain

A "Plug-And-Display" Nanoparticle Vaccine Platform Based on Outer Membrane Vesicles Displaying SARS-CoV-2 Receptor-Binding Domain

Published on: July 25, 2022

Expression and Purification of Virus-like Particles for Vaccination

Expression and Purification of Virus-like Particles for Vaccination

Published on: June 2, 2016

相关概念视频

Immune Response Against Viral Pathogens

Immune Response Against Viral Pathogens

The immune system's response to viral infections is a complex and coordinated process involving natural killer (NK) cells, T cell-mediated responses, and antibody-mediated responses.
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...

Leaky Scanning

Leaky Scanning

During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA. Marilyn Kozak discovered that the sequence RCCAUGG (where R...