the requirement for cognate t/b cell interaction was further shown by comparing the ige-inducing ability of two human il-4-producing alloreactive t cell clones : f6 , which recognizes mhc class ii antigens on both b cells and monocytes , and a1 , which recognizes an hla-dp-associated epitope expressed on monocytes , but not on b cells .
C0086418
human
C0019759
hla-dp