Acute antibody-mediated rejection of renal transplant: Pathogenetic and diagnostic considerations Review uri icon

Overview

MeSH Major

  • Graft Rejection
  • Kidney
  • Kidney Transplantation
  • Transplantation Immunology

abstract

  • Acute antibody-mediated rejection is mediated by antibodies specific for donor antigens, which bind to target antigens and activate the complement system, culminating in tissue injury. The clinical manifestation of AMR is not specific, and transplant biopsy is needed for diagnosis. The glomeruli show thrombosis or neutrophils or mononuclear leukocytes in capillary lumens. The tubulointerstitial compartment shows edema, hemorrhage, necrosis, mild inflammation, and neutrophils or mononuclear leukocytes in the peritubular capillary lumens. The blood vessels show thrombosis, thrombotic microangiopathy, fibrinoid necrosis, or transmural vasculitis. Strong staining for C4d in the peritubular capillaries is characteristic. A definitive diagnosis of AMR requires (1) morphologic evidence of acute tissue injury, (2) immunopathologic evidence for antibody action, and (3) serologic evidence of circulating donor-specific antibodies. Acute antibody-mediated rejection should be suspected if some but not all 3 criteria are met. Since effective treatment is currently available, accurate and timely diagnosis of AMR is essential.

publication date

  • August 2007

Research

keywords

  • Review

Identity

Language

  • eng

PubMed ID

  • 17683182

Additional Document Info

start page

  • 1200

end page

  • 8

volume

  • 131

number

  • 8