when cba x balb/c mice are immunized with th 1 hybrid prepared by fusing spleen cells from dx-immunized mice with the akr thymoma bw 5147 , which secretes material that affects the anti-dx response in cba mice , antibodies are produced that in the elisa are shown to bind to the material secreted by th 1 but not to the material secreted by parent bw 5147 .
C0007634
cells
C1327616
secreted