to examine the role of ia antigens in controlling t cell activation in vivo , unprimed ( cba x b6 ) f1 ( h-2k x h-2b ) t cells were positively selected to sheep erythrocytes ( src ) for 5 d in irradiated f1 mice in the presence of large doses of anti-iak antibody .
C1155065
t cell activation
C0039194
t cells