Table 2.

Determination of serum hIL-2 or mIL-12 3 d after administration of IL gene (ng/mL)

Group	HIL-2	MIL-12
Physiologic saline control	< 0.8	< 0.8
Blank vector control	< 0.8	< 0.8
IL-2 gene therapy	19.4 ± 1.8	< 0.8
IL-12 gene therapy	< 0.8	22 ± 2.5
IL-12-IL-2fused gene therapy	18.5 ± 2.4	20.5 ± 2.5