The mRNA expression level of the BCL-2 gene was 1.5-fold increased in the tumor cells after cultivation with CIMVs-TRAIL in comparison with native MCF-7, native CIMVs and CIMVs-BFP (0.6-fold increase, both) (n = 3, **** p < 0.0001). The gene discussed is BCL2; the disease is neoplasm.