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pubmed:abstractText |
The role of polymorphonuclear leucocytes (PMN) in the autologous phase of nephrotoxic nephritis (NTN) in the rabbit has been investigated. Depletion of circulating PMN by nitrogen mustard protected renal function and immunofluorescent examination showed reduction in glomerular fibrin deposition. Depletion of circulating PMN using a highly specific goat anti-PMN serum (APS) provided similar protection of renal function, highly significant reduction in proteinuria and histological and immunofluorescent examination showed reduced glomerular PMN infiltration, extracapillary cell proliferation and virtual absence of fibrin deposition. Although protection by nitrogen mustard may have been partly due to immunosuppression, no reduction in antibody response was detected in the APS-treated rabbits. The results implicate the polymorph as the principal injurious agent in this model of NTN, responsible directly or indirectly for both proteinuria and glomerular fibrin deposition.
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