WNT4 and infection: qRT-PCR in WS1 showed that Rip1, Wnt1, Wnt4, and cMyc expressions were inducted by DENV-2 (MOI 1, 5, and 10) after one and/or two days of infection, but decreased at day 33 post-infection, particularly in the MOI 5 and 10 infected WS1 cells (Figure 7A).