Yong-zhen Zhai

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OBJECTIVE We have compared the gene expression and DNA immunization efficacy encoding prME and E proteins of a different strain (JaGAr-01) derived from Japanese encephalitis virus. This study aimed to construct a recombinant encoding E protein of the Beijing-1 strain derived from Japanese encephalitis virus and analyze the humoral, cellular and protective(More)
OBJECTIVE To investigate the immune responses elicited by pJME with or without various forms of granulocyte-macrophage colony-stimulating factor (GM-CSF) gene. METHODS The changes of the T lymphocyte subsets and the levels of Th cell intracellular cytokines IFN-gamma and IL-4 were evaluated by flow cytometric analysis. The cytotoxic T lymphocyte kill(More)
We investigated the cellular immune responses elicited by a plasmid DNA vaccine encoding prM-E protein from the Japanese encephalitis (JE) virus (JEV) with or without various forms of intercellular adhesion molecule (ICAM)-1 gene to maximize the immune responses evoked by the JE DNA vaccine. We observed that co-immunization with the construct containing(More)
This study aimed to investigate the immune adjuvant effect and mechanism induced by chitosan nanoparticles carrying pJME/GM-CSF. In this study, plasmid DNA (pJME/GM-CSF) was encapsulated in chitosan to prepare chitosan-pJME/GM-CSF nanoparticles using a complex coacervation process. Immunohistochemistry was used to detect the type of infiltrating cells at(More)
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