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|標題:||Baculovirus surface display of E envelope glycoprotein of Japanese encephalitis virus and its immunogenicity of the displayed proteins in mouse and swine models||作者:||Xu, X.G.
|關鍵字:||Baculovirus surface display;Japanese encephalitis virus;E glycoprotein;nuclear polyhedrosis-virus;protective efficacy;mammalian-cells;domain-iii;vaccine;mice;premembrane;flavivirus;infection;strain||Project:||Vaccine||期刊/報告no：:||Vaccine, Volume 29, Issue 4, Page(s) 636-643.||摘要:||
Japanese encephalitis virus (JEV), an important pathogen in humans and animals, is capable of causing febrile syndrome, encephalitis and death. The E glycoprotein of JEV is the main target for inducing neutralizing antibodies and protective immunity in the natural host. In this work, we have succeeded in construction of one recombinant baculovirus BacSC-E expressing His6-tagged E with the baculovirus envelope protein gp64 TM and CTD. After infection, E was expressed and anchored on the plasma membrane of Sf-9 cells, as demonstrated by Western blot and confocal microscopy. Immunogold electron microscopy demonstrated that the E glycoprotein was successfully displayed on the viral surface. Vaccination of mouse and swine with recombinant baculovirus BacSC-E successfully induced neutralizing antibody response and protective immunity toward a lethal challenge of the JEV. Taken all findings together, our results indicate that the recombinant baculovirus BacSC-E can be a potential vaccine against JEV infections. This finding provides valuable information for establishing subunit vaccines for JEV antigenic complex viruses. This is a fresh research demonstrating the potential of E-pseudotyped baculovirus as a JEV vaccine. (C) 2010 Elsevier Ltd. All rights reserved.
|Appears in Collections:||分子生物學研究所|
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