Volume 86, Issue 3 pp. 464-470
Free Access

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

H. E. FEUCHT

Corresponding Author

H. E. FEUCHT

Medizinische Klinik Innenstadt

Institut f. Immunologie

Dr Helmut E. Feucht. Medizinische Klinik Innenstadt. Universität München, ZienisscnstraBe 1. D 8000 München 2. Germany.Search for more papers by this author
E. FELBER

E. FELBER

Institut f. Immunologie

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M. J. GOKEL

M. J. GOKEL

Institut f. Pathologie

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G. HILLEBRAND

G. HILLEBRAND

Nephrolog. Abtlg, Medizinische Klinik I

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U. NATTERMANN

U. NATTERMANN

Nephrolog. Abtlg, Medizinische Klinik I

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C. BROCKMEYER

C. BROCKMEYER

Institut f. Immunologie

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E. HELD

E. HELD

Medizinische Klinik Innenstadt

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G. RIETHMÜLLER

G. RIETHMÜLLER

Institut f. Immunologie

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W. LAND

W. LAND

Abtlg. f. Transplantationschirurgie, Klinikum Groβhadern

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E. ALBERT

E. ALBERT

Medizinische Kinderpoliklinik, University of Munich, Germany

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First published: December 1991
Citations: 276

SUMMARY

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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