this question was addressed by investigating the effect of three individually derived anti-hla class i monoclonal antibodies ( mab ) on purified human b cells ( less than 1.5 % t cells ) stimulated by either the t-independent mitogen staphylococcus aureus or the phorbol ester , phorbol-12-myristate-13-acetate .
C0031586
phorbol ester
C0039654
phorbol