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Human 2′,5′-oligoadenylate synthetase 3 (OAS3) exerts antiviral effect against alphaviruses including Chikungunya virus (CHIKV) by inhibiting viral RNA accumulation. Here, we identified a CHIKV variant exhibiting a remarkable resistance to the antiviral action of OAS3 in human epithelial HeLa cells. Using a molecular clone of CHIKV with Renilla luciferase inserted as a reporter gene in the non-structural...
Glycoproteins gB and gH/gL are required for entry of Epstein–Barr virus (EBV) into cells, but the role of each glycoprotein and how they function together to mediate fusion is unclear. Analysis of the functional homology of gB from the closely related primate gammaherpesvirus, rhesus lymphocryptovirus (Rh-LCV), showed that EBV gB could not complement Rh gB due to a species-specific dependence between...
Effects of gemcitabine (Gemzar) on immune cells were examined in pancreas cancer patients to determine whether it was immunosuppressive, or potentially could be combined with vaccines or other immunotherapy to enhance patient’s responses to their tumors. Blood was obtained at five time-points, before therapy, 3–4 days after initial gemcitabine infusion and immediately preceding three additional weekly...
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