MYC and neoplasm: RSV did not significantly affect the expression of c-MYC in PE/CA-PJ49 tumor cells, but it resulted in a significant reduction of c-MYC expression in FaDu tumor cells compared to the control (p < 0.002, **) or to PE/CA-PJ49 tumor cells (p < 0.025, *) (Figure 2D, Table 3).