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Updated: Oct 14, 2026

Mouse Kidney Transplantation: Models of Allograft Rejection
16:15

Mouse Kidney Transplantation: Models of Allograft Rejection

Published on: October 11, 2014

Vascular deposition of complement-split products in kidney allografts with cell-mediated rejection

H E Feucht1, E Felber, M J Gokel

  • 1Medizinische Klinik Innenstadt, University of Munich, Germany.

Clinical and Experimental Immunology
|December 1, 1991
PubMed

Complement activation in 73 renal transplant biopsies was investigated by indirect immunoperoxidase staining using MoAbs reactive with complement-split products. Intense deposition of complement fragments C4d and C3d in peritubular capillaries, indicating activation of the classical pathway, could be detected in the majority of transplanted kidneys with cell-mediated rejections. Abundant deposition of complement-split products was observed in 22 early biopsies from patients with high 'immunological risk' (i.e. previous, rejected transplants and/or circulating antibodies against HLA-antigens). Despite negative results in the crossmatch before transplantation and paucity of immunoglobulins in transplant biopsies, antibodies directed against endothelial cell antigens should be considered as a possible cause of classical complement activation.

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