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It is well established that the humoral immune response can generate antibodies to many different antigens. The antibody diversity required to achieve this is believed to be substantial. However, the extent to which the immune repertoire can generate structural diversity against a single target antigen has never been addressed. Here, we have used phage display to demonstrate the extraordinary capacity...
DR3 is a death domain-containing receptor that is upregulated during T cell activation and whose overexpression induces apoptosis and NF-κB activation in cell lines. Here we show that an endothelial cell-derived TNF-like factor, TL1A, is a ligand for DR3 and decoy receptor TR6/DcR3 and that its expression is inducible by TNF and IL-1α. TL1A induces NF-κB activation and apoptosis in DR3-expressing...
B lymphocyte stimulator (BLyS) is a novel member of the TNF family of proteins expressed by myeloid cells as membrane-bound and soluble forms. BLyS was shown to act specifically on B cells, inducing proliferation and immunoglobulin production both in vitro and in vivo. The present study was undertaken to characterize binding of radiolabeled BLyS to its cognate receptor on human B lymphocytes and examine...
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