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. 2019 Jul 1;12:1833–1852. doi: 10.2147/IDR.S210890

Figure 6.

Figure 6

Effect of quercetin and fisetin on macrophages infected with DENV-3. Macrophages were infected with DENV-3 at a MOI of 1 (AC) or with mixtures of DENV-3 and 4G2 antibody (ADE) at 1:256 dilution (DF). Viral inoculum was discarded after 1 hr of infection and fresh medium was added with 100 µM of quercetin or 40 µM of fisetin. Untreated infected macrophages were included for comparison (A and D). Cell supernatants were collected at different times postinfection and the concentrations of IL-6, TNF-α, IL-10 and IFN-γ were determined by ELISA. Data represent average ± SD of two independent and duplicated experiments; nonlinear regression analysis was performed using GraphPad Prism 5.0 to obtain trend lines.

Abbreviations: DENV, dengue virus; MOI, multiplicity of infection.