Abstract
B cells are increasingly being recognized as a major contributor to both T- and B-cell mediated allograft rejection, and as a barrier to transplantation in allosensitized and autoimmune patients. B-cell functions of interest to solid organ and bone marrow transplantation include antibody production, antigen presentation, and provision of costimulatory signals for T-cell activation. Several therapeutic antibody preparations induce apoptosis or complement-mediated B-cell death, and hold promise for use as immunomodulating agents in solid organ transplantation. In this review, we discuss the anti-B-cell activity of polyclonal rabbit antithymocyte globulin (Thymoglobulin), the monoclonal antibodies, rituximab and alemtuzumab, and pooled intravenous human immunoglobulin.
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