文献类型: 外文期刊
作者: Chuanwen Tian;Yingnan Liu;Dongdong Di;Zhenhua Xie;Yao Li;Rongrong Wang;Jie Li;Jingyi Liu;Hongjun Chen
作者机构:
关键词: ASFV;immunogenicity;K205R;mRNA
期刊名称: Journal of Integrative Agriculture
ISSN: 2095-3119
年卷期: 2025 年 24 卷 10 期
页码:
收录情况: SCIE(2025版) ; ; CSCD(2025-2026年度) ; ; 科技核心(2024版) ; ; 农林核心(2024版)
摘要: African swine fever (ASF), caused by African swine fever virus (ASFV), is a highly contagious swine disease that has spread globally. Effective control strategies are not yet available. In this study, we prepared K205R mRNA, which was then formulated using Lipid Nanoparticle (LNP). The resulting K205R mRNA-LNP showed a particle size of approximately 86.27 nm and an mRNA encapsulation efficiency of 96.24%. Efficient expression of the K205R protein was confirmed in both HEK293T and PK15 cells. We further evaluated the immunogenicity of K205R mRNA-LNP in mice and pigs. All immunized animals developed significantly higher levels of IgG antibodies against K205R compared to the control group in the first week after the second immunization, with antibody titers reaching up to 105. Challenge experiments showed that K205R mRNA delayed the time of death. Our results suggested the successful implementation of the mRNA platform in the preparation and application of ASFV mRNA.
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