although the mechanism by which l428 cells provide accessory functions remains incompletely characterized , the ability of anti-hla-dr f ( ab ' ) 2 fragments to completely abrogate l428 and monocyte-mediated anti-cd3 mitogenesis , despite the addition of exogenous il-1 , provides evidence for the participation hla-dr molecules in this response .
C0007634
the
C1156237
mitogenesis