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Fig. 3 | Virology Journal

Fig. 3

From: Antiviral activity of micafungin against enterovirus 71

Fig. 3

Micafungin potently inhibits EV71 proliferation in LLC-MK2 Derivative cells. a LLC-MK2 Derivative cells were infected with EV71 (100 CCID50) and immediately treated with increasing concentrations of micafungin. Four days after treatment, antiviral activity was determined by the reduction of the cytopathic effect in an MTT assay. Cell viability of DMSO-treated cells was set to 0 % and that of uninfected cells was set 100 %. b Same cells treated with indicated concentrations of micafungin without EV71 infection were also analyzed for cell viability by using MTT assay. c-e LLC-MK2 Derivative cells were infected with EV71 (1 MOI) and simultaneously treated with increasing concentrations of micafungin. c Twenty hours post-infection, total cell extracts were prepared from cells and subjected to Western blot analysis with anti-3C antibody. β-actin was also analyzed as a loading control. d Total RNAs were prepared from cells in (c) and then subjected to RT-PCR for 3BC region of EV71 viral RNA. β-actin mRNAs were also analyzed as a negative control. e Twenty hours post-infection, dsRNAs were stained by using specific antibody and visualized by FITC-conjugated secondary antibody (green). Nuclear DNA was also visualized by DAPI staining (blue)

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