Development of a VLP-based vaccine in silkworm pupae against rabbit hemorrhagic disease virus
文献类型: 外文期刊
第一作者: Zheng, Xuexing
作者: Zheng, Xuexing;Zheng, Xuexing;Wang, Shukun;Zhang, Weijiao;Liu, Xingjian;Yi, Yongzhu;Yang, Songtao;Xia, Xianzhu;Li, Yinv;Zhang, Zhifang;Zhang, Weijiao;Yang, Songtao;Xia, Xianzhu
作者机构:
关键词: RHDV;Recombinant baculoviruses;Virus-like particles;Immunogenicity
期刊名称:INTERNATIONAL IMMUNOPHARMACOLOGY ( 影响因子:4.932; 五年影响因子:4.624 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: Rabbit hemorrhagic disease virus (RHDV) is the etiological agent behind rabbit hemorrhagic disease (RHD), which is lethal and contagious in rabbits. The virus does not replicate in cell culture and the only commercial inactivated vaccine available is derived from infected rabbit livers. RHDV capsid protein, VP60, is the main antigen comprising the virion. We used a baculovirus-silkworm pupae system to express VP60, which self-assembled into virus -like particles(VLPs) with a similar size and morphology to RHDV. Hemagglutination assays (HAs) showed that VP60 expression levels of VP60 reached as high as 10(7) HA units (HAU) per pupa. A single intramuscular injection with 10(4) HAU of VLPs completely protected rabbits for at least 180 days against RHDV challenge, and for at least 360 days when the VLPs were emulsified with Freund's complete adjuvant. These data suggest that silkworm pupae can be used to develop VLP-based vaccines which confer durable protection against RHD. (C) 2016 Elsevier B.V. All rights reserved.
分类号: R96
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