IL2 and neuroblastoma: Cytokine expression was studied after transfecting human neuroblastoma cell lines IMR-32 and SHSY5Y with pCI-IL2 vector and/or pCMV-Flexi12 (human) (Anderson et al, 1997), while the mouse Neuro-2A cell line was transfected with pCDNA3.1scIL12 (mouse) (Lode et al, 1998) and/or pCI-IL-2.