injection of purified human interleukin 2 ( il-2 ) directly into the spleen has been shown to potentiate the effect of specific chemoimmunotherapy , using butanol-extracted tumor-specific transplantation antigen ( tsta ) and cyclophosphamide ( cy ) in a c3h/hej murine methylcholanthrene-induced fibrosarcoma model .
C0086418
human
C0021756
interleukin 2