An animal model using metallic ions to produce autoimmune nephritis

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Autoimmune nephritis triggered by metallic ions was assessed in a Long-Evans rat model. The parameters evaluated included antinuclear autoantibody production, kidney damage mediated by immune complexes detected by immunofluorescence, and renal function tested by retention of nitrogen waste products and proteinuria. To accomplish our goal, the animals were treated with the following ionic metals: HgCl<inf>2</inf>, CuSO<inf>4</inf>, AgNO<inf>3</inf>, and Pb(NO<inf>3</inf>)<inf>2</inf>. A group without ionic metals was used as the control. The results of the present investigation demonstrated that metallic ions triggered antinuclear antibody production in 60% of animals, some of them with anti-DNA specificity. Furthermore, all animals treated with heavy metals developed toxic glomerulonephritis with immune complex deposition along the mesangiumand membranes. These phenomena were accompanied by proteinuria and increased concentrations of urea. Based on these results, we conclude that metallic ions may induce experimental autoimmune nephritis.




Ramírez-Sandoval, R., Luévano-Rodríguez, N., Rodríguez-Rodríguez, M., Pérez-Pérez, M. E., Saldívar-Elias, S., Gurrola-Carlos, R., … Herrera-Esparza, R. (2015). An animal model using metallic ions to produce autoimmune nephritis. Journal of Immunology Research, 2015.

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