Development and Immunoprotection of Bacterium-like Particle Vaccine against Infectious Bronchitis in Chickens
文献类型： 外文期刊
第一作者： Zhang, Pengju
作者： Zhang, Pengju;Qiao, Haiying;Hu, Nianzhi;Li, Xintao;Wang, Weixia;Zhang, Lichun;Yang, Tiantian;Cong, Yanlong;Sun, Yixue
作者机构：
关键词： infectious bronchitis virus; S1 subunit; bacterium-like particles; immunoprotective
期刊名称：VACCINES （ 影响因子：7.8； 五年影响因子：7.4 ）
ISSN：
年卷期： 2023 年 11 卷 8 期
页码：
收录情况： SCI
摘要： Infectious bronchitis (IB) is a major threat to the global poultry industry. Despite the availability of commercial vaccines, the IB epidemic has not been effectively controlled. The exploration of novel IBV vaccines may provide a new way to prevent and control IB. In this study, BLP-S1, a bacterium-like particle displaying the S1 subunit of infectious bronchitis virus (IBV), was constructed using the GEM-PA surface display system. The immunoprotective efficacy results showed that BLP-S1 can effectively induce specific IgG and sIgA immune responses, providing a protection rate of 90% against IBV infection in 14-day-old commercial chickens. These results suggest that BLP-S1 has potential for the development of novel vaccines with good immunogenicity and immunoprotection.
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