the use of two independent test-systems ( intravenous adoptive transfer of immune response on tumour cells by intact syngenic recipient and mixed cultivation of immunocompetent and tumour cells in diffusion chambers ) made it possible to establish that exogenous il-2 possesses an expressive capacity both to the positive and to the negative modulation of immunological mechanisms during the tumour growth .
C0301872
immune
C0021756
il-2