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Immune complex-mediated glomerulopathy in Marek's disease

H K Pradhan1, G C Mohanty, W Y Lee

  • 1Division of Avian Diseases, Indian Veterinary Research Institute, Izatnagar.

Veterinary Immunology and Immunopathology
|September 1, 1988
PubMed

Chickens infected with Marek's disease (MD) virus developed immune complex (IC)-mediated glomerulopathy. Fluorescent antibody staining technique using antichicken globulin and antichicken complement was used to demonstrate IC in the kidney glomeruli. During the initial stages of MDV infection, IC deposits were seen on the glomerular basement membrane, but subsequently the entire glomerulus was involved. Mesangial cells also had IC deposits. Chicken complement was demonstrated in the glomeruli which had IC deposits. The number of glomeruli with IC deposition was higher in tumor-bearing birds than in non-tumor-bearing birds. Histologically, kidney lesion were characterized by thickening of basement membrane and proliferation of mesangial cells. It is suggested that IC-mediated glomerulopathy might be one of the major causes of death in MD.

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