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The live attenuated Japanese encephalitis (JE) vaccine SA14-14-2 was licensed decades ago and now approved for clinical use in most JE endemic countries. Large-scale clinical trials demonstrate ideal safety and efficacy profile of this Chinese vaccine. The SA14-14-2 vaccine was derived from a virulent strain SA14 after hundreds of serial passaging in cells and animals, concern about virulence reversion...
Tick-borne encephalitis virus (TBEV) represents one of the most dangerous human pathogens circulating in Europe and East Asia. No effective treatment for TBEV infection currently exists, and vaccination is the primary preventive measure. Although several inactivated vaccines have been licensed, the development of novel vaccines against TBEV remains a high priority in disease-endemic countries. In...
Human Enterovirus 71 (EV71) is recognized as the leading causative agent of hand-foot-and-mouth disease (HFMD) in the Asia-Pacific region in recent years. There are still no approved antiviral drugs or vaccines against EV71 infection yet. In this study, we have developed an advanced platform for production of the virus-like particles (VLPs) for EV71 in Saccharomyces Cerevisiae by co-expressing P1...
We recently reported that administration of low doses of myotoxins at vaccination sites potentiated antigen-specific T-cell immunity induced by genetic cancer vaccines in mice, an effect which was superior to TLR agonists. In the current study, we found unexpectedly that the mechanism of this potent adjuvant effect was immune-mediated. Myotoxins induced sterile inflammation at vaccination sites, associated...
Four protopanaxadiol-type saponins (PDS), ginsenosides-Rb 1 , -Rd, notoginsenosides-K, -R 4 isolated from the roots of Panax notoginseng were evaluated for their haemolytic activities and adjuvant potentials on the cellular and humoral immune responses of ICR mice against ovalbumin (OVA). The effect of the substitution pattern of these PDS on their biological activities was investigated...
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