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It has been recently shown that Fas ligand (FasL) expression on islet beta grafts results in neutrophilic infiltration and graft rejection. In this study, we show that human recombinant soluble FasL is endowed with potent chemotactic properties toward human neutrophilic polymorphonuclear leukocytes (neutrophils) at concentrations incapable of inducing cell(More)
Human neutrophils, incubated with Cr51-labelled B lymphoblastoid Raji cells in the presence of the anti-target monoclonal antibody (mAb) Lym-1 plus formyl-methionyl-leucyl-phenylalanine (FMLP) or tumour necrosis factor alpha (TNF-alpha), were found to induce significant C51 release, i.e. significant cytolysis. The lytic process was inhibited by mAb IV.3,(More)
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