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  • Title: [Pathologic diagnosis of renal transplantation].
    Author: Kondo N.
    Journal: Rinsho Byori; 1990 Feb; 38(2):169-74. PubMed ID: 2329720.
    Abstract:
    Eighty-seven renal allografts were examined at our department between 1980 and 1989. In these specimens, 24 cases involved so-called "1 hour biopsy", including a case of donor carrying IgA nephropathy. Nine cases showed glomerulonephritis, of which three cases are suspected as de novo membranous nephropathy. Acute rejection, glomerular, tubular and vascular type were seen in 11 cases, and chronic rejection in 20 cases. Four cases showed tubular injury which may be associated with cyclosporine nephrotoxicity. At diagnosis of acute cellular rejection, immunohistological analysis was performed to characterize the composition of the micronuclear cells. In all cases we examined, T lymphocyte is dominant, and CD8+ (Leu 2) cells and CD4+ (Leu 3) cells were seen in various percentages. The Leu M1(+) macrophage was also seen in glomerular capillary lumen or peritubular space. Whether the expression of HLA-DR antigens is altered in renal transplants was examined. Expression of DR antigens increased considerably on renal tubular cells and glomerular capillary endothelial, and may be a markers of acute rejection.
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