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A retrospective masked study of 120 consecutive renal transplant biopsies was performed to evaluate the potential associations of cyclosporine (CsA) therapy and other factors on the degree and progression of interstitial fibrosis (IF). Allograft biopsies were obtained from patients receiving CsA (CsA+; n = 59) and not receiving CsA (CsA-; n = 46);(More)
To investigate the role of leukotrienes in renal allograft rejection, we studied the effects of specific leukotriene inhibitors in a rat kidney transplant model. The enhanced renal production of leukotrienes observed in allograft recipients was reduced in a dose-dependent manner by the specific 5-lipoxygenase inhibitor MK886. This suppression of leukotriene(More)
We examined the effect of matching for HLA-A and B antigens on the success of corneal transplantation in a single-center, prospective, masked study that began in March 1979. The study involved 97 consecutive recipients at high risk because of prior corneal graft rejection or serious vascularization of the native cornea. Donor corneas were selected on the(More)
The evaluation of renal allograft rejection by routine histologic evaluation of transplant biopsy is often a diagnostic problem. Advances in monoclonal antibody and immunohistochemical technology have led to their application in characterizing the phenotype of peripheral blood lymphocytes in transplant recipients, as well as the infiltrating lymphocytes in(More)
The vascular endothelium plays an important and complex role in vascular allograft rejection. Antigens expressed by the endothelium can act to promote and be the target of rejection reactions, which often lead to thrombosis and ischemic necrosis of the allograft. In this study, segments of femoral artery and femoral vein with or without endothelium were(More)
Hepatic transplantation into humorally presensitized patients has occasionally been performed without reported accelerated rejection. To study survival of orthotopic hepatic transplants in sensitized recipients a series of studies in rats were performed. Lewis rats sensitized by three successive skin grafts from fully allogeneic ACI strain donors then(More)
To investigate the role of gamma/delta+ T cells in allograft rejection, we have studied the TCR phenotype and function of lymphocytes infiltrating rejecting, rejected, and nonrejecting human renal allografts. Two-color immunohistologic staining showed that 19% of rejecting biopsies and 40% of rejected nephrectomies had significant infiltration (> 10% of the(More)