a hybridoma clone secreting a monoclonal antibody , designated ma158.2 , that reacts with an antigen expressed on lymphokine-treated macrophages was produced by fusion of mouse myeloma cells with rat spleen cells immunized against c57bl/6 peritoneal macrophages rendered tumoricidal in vitro by incubation with the lymphokine macrophage-activating factor .
C0024297
lymphokine
C0079786
macrophage-activating factor