BDNF and infection: In the case of doxorubicin (5 μM), we did not observe any differences between the EV and FV groups, so changes may have only been the effect of infection (Figure 4B, C vs. EV: p < 0.05), rather than a combination of Bcl-2 and BDNF overproduction (Figure 4B, EV vs. FV: ns).