一项队列研究显示,在接种Comirnaty和Vaxzevria疫苗后,SARS-CoV-2特异性抗体形成的动态不同
Adam Augustyniak1, Tomasz Szymański2, Filip Porzucek1
1Center for Advanced Technology, Adam Mickiewicz University, Uniwersytetu Poznańskiego 10, 61-614 Poznan, Poland.
Vaccine
|July 5, 2023
概括
这项关于COVID-19疫苗的研究发现,年龄影响抗体产生,年轻人和老年人的水平较低. 性别对接种疫苗后的抗体水平没有影响.
科学领域:
- 免疫学 免疫学 免疫学
- 疫苗学 疫苗学 疫苗学
- 公共卫生 公共卫生
背景情况:
- 由于COVID-19的流行,需要快速开发疫苗.
- SARS-CoV-2 疫苗 (Comirnaty,Vaxzevria) 使用mRNA和腺病毒载体引起免疫反应.
- 了解影响疫苗疗效的因素对于公共卫生至关重要.
研究的目的:
- 为了研究性别,年龄,疫苗类型和时间如何影响COVID-19疫苗接种后的抗体产生.
- 分析与这些因素相关的抗RBDIgG抗体水平.
- 为呈现疫苗免疫学数据提出统计模型.
主要方法:
- 基于ELISA的免疫诊断试验来测量抗RBDIgG抗体.
- 在三个时间点对1395名患者的血清样本进行分析:疫苗接种前,第一剂后和第二剂后.
- 将通用添加模型应用于分析抗体生产动态.
主要成果:
- 在男性和女性之间没有观察到抗体水平的显著差异.
- 确定了年龄和抗体产生之间的非线性关系,在30岁以下和60岁以上的个体中水平较低.
- 在mRNA和腺病毒载体疫苗中,发现了抗体生产动态的变化.
结论:
- 年龄是影响COVID-19疫苗接种后抗体生产动态的一个重要因素.
- 一般化添加剂模型为分析和呈现疫苗诱导的抗体反应提供了一个强大的框架.
- 这些发现有助于更深入地了解疫苗诱导的免疫机制.
更多相关视频
10:25Detection of SARS-CoV-2 Neutralizing Antibodies using High-Throughput Fluorescent Imaging of Pseudovirus Infection
Published on: June 5, 2021
4.7K
06:08Author Spotlight: A Pseudotype Virus System for Assessing Omicron Subvariants and Neutralizing Antibodies in SARS-CoV-2 Research
Published on: September 8, 2023
1.3K
相关概念视频
01:51Vaccinations
44.8K
Overview
44.8K
01:23Immunological Memory
687
Immunological memory, a pivotal pillar of the adaptive immune system, is responsible for the body's ability to remember and respond more swiftly and effectively to previously encountered pathogens. This remarkable feature is what makes vaccines so effective in preventing diseases.
What is Immunological Memory?
Immunological memory is an integral function of the immune system that allows it to recognize and react more rapidly and effectively to pathogens previously encountered. This feature...
What is Immunological Memory?
Immunological memory is an integral function of the immune system that allows it to recognize and react more rapidly and effectively to pathogens previously encountered. This feature...
687
02:50Conjugated Proteins
18.4K
Simple proteins and protein complexes contain only amino acids. In contrast, many other proteins, called conjugated proteins, covalently bond with non-protein moieties.
Nucleoproteins are protein complexes that contain nucleic acids, categorized as deoxyribonucleoproteins (DNPs) or ribonucleoproteins (RNPs) respectively. The nucleosome is a typical example of a DNP where nuclear DNA is associated with histone proteins. The major antigen for the Covid-19 virus SARS-CoV is an RNP that is critical...
Nucleoproteins are protein complexes that contain nucleic acids, categorized as deoxyribonucleoproteins (DNPs) or ribonucleoproteins (RNPs) respectively. The nucleosome is a typical example of a DNP where nuclear DNA is associated with histone proteins. The major antigen for the Covid-19 virus SARS-CoV is an RNP that is critical...
18.4K
00:42Cross-reactivity
31.3K
Overview
31.3K
01:36Humoral Immune Responses
73.2K
Overview
73.2K
01:22Development of Immunocompetence
363
The initiation of cell-mediated immunity can be observed as early as the third month of fetal growth, with active antibody-mediated immunity following approximately one month later.
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
363