IL2 and cancer: The increased cytotoxicity of CIMVs-IL2-activated PBMCs was also confirmed after cultivation with MDA-MB-436 where the number of healthy cancer cells was decreased by 17% in the sample of cancer cells cultured with PBMCs activated with hADSCs-IL2, and by 28% in the sample of cancer cells cultured with PBMCs activated with CIMVs-IL2.