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  • Title: Chronic serum sickness glomerulonephritis: passive immunisation inhibits the removal of glomerular antigen and electron dense deposits.
    Author: Furness PN, Turner DR.
    Journal: Virchows Arch A Pathol Anat Histopathol; 1988; 413(6):551-3. PubMed ID: 3144089.
    Abstract:
    Chronic serum sickness glomerulonephritis was induced in 20 Wistar rats, using radiolabelled, chemically cationized bovine serum albumin (BSA) as antigen. Four days after the last injection of antigen, when relocation of antigen within the rat had effectively ceased, the rats were given a single large intraperitoneal dose of either non-immune rat gamma globulin or anti-BSA rat gamma globulin. Ten days later the rats were killed. The rats which had received the anti-BSA globulin had significantly more antigen in renal cortex and in isolated glomeruli than the control group. They also had larger mesangial deposits as assessed by morphometry at electron microscope level; assessment of subepithelial deposits provided equivocal results. These findings provide direct confirmation that circulating antibody which is directed against an antigen which is trapped within deposits in the glomerulus will inhibit the removal of the antigen and deposits from the mesangium.
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