PMID: 2100826Jan 1, 1990Paper

Elevated plasma fibronectin levels in rats with immune and toxic glomerular diseases

Renal Failure
J QuirosJ Egido

Abstract

We measured plasma fibronectin levels by a rocket immunoelectrophoresis in rats with chronic serum sickness induced by repeated injections of ovalbumin and in rats with epithelial nephropathy induced by a single injection of adriamycin. In the early phases of the immune model, rats presented granular deposits of IgG in the mesangial area with no or descrete proteinuria (less than 40 mg/24 h). Fibronectin levels in that group were significantly higher (450 +/- 90 micrograms/mL) than in normal rats of the same age (350 +/- 46; p less than 0.01). When animals presented IgG deposits in the capillary wall, an important nephrotic syndrome developed in most of them. Fibronectin levels then increased very significantly (863 +/- 153 micrograms/mL; p less than 0.0005). In the model of adriamycin nephropathy, fibronectin significantly increased (580 +/- 110 micrograms/mL; p less than 0.0005) from the first week, when proteinuria was in a range 40-60 mg/24 h. However, the levels were higher (860 +/- 175 micrograms/mL; p less than 0.0005) when a complete nephrotic syndrome developed. At this time, plasma fibronectin levels correlated directly in both models with the degree of proteinuria and inversely with the total serum protein concentrat...Continue Reading

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Citations

Apr 1, 2006·Nephrology, Dialysis, Transplantation : Official Publication of the European Dialysis and Transplant Association - European Renal Association·Hao-Ai ShuiAnn Chen

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