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Ferritin and Encapsulin Nanoparticles as Effective Vaccine Delivery Systems: Boosting the Immunogenicity of the African Swine Fever Virus C129R Protein

文献类型： 外文期刊

作者： Zhang, Yue;Ru, Yi;Zhao, Longhe;Hao, Rongzeng;Yang, Yang;Li, Yajun;Zhang, Rong;Jiang, Chenghui;Zheng, Haixue

作者机构：

关键词： nanoparticles;immunogenicity;ferritin;encapsulin;African swine fever virus;targeted lymph nodes;C129R protein

期刊名称： VIRUSES-BASEL

ISSN：

年卷期： 2025 年 17 卷 4 期

页码：

收录情况： SCIE（2025版）

摘要： Vaccination remains the most effective strategy for preventing infectious diseases. Subunit vaccines, which consist of antigenic components derived from pathogens, offer significant advantages in terms of biosafety, ease of preparation, and scalability. However, subunit vaccines often exhibit lower immunogenicity than whole-pathogen vaccines do. To address this limitation, coupling antigens with nanoparticles has emerged as a promising strategy for enhancing immune responses by mimicking pathogen structures and improving antigen presentation. This study evaluated the stability of ferritin (F-nps) and encapsulin (E-nps) nanoparticles and their efficient uptake by bone-marrow-derived dendritic cells (BMDCs) in vitro. In vivo studies demonstrated their effective targeting of lymph nodes. The African swine fever virus C129R protein was conjugated to ferritin and encapsulin nanoparticles to assess its ability to enhance antigen-specific immune responses. In murine models, both F-nps and E-nps significantly increased the immunogenicity of the C129R antigen, highlighting their potential as effective vaccine delivery systems. These findings underscore the promise of ferritin and encapsulin nanoparticles as delivery platforms for enhancing antigen immunogenicity and pave the way for the development of nanoparticle-based vaccines.

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