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  • Title: Experimental glomerulonephritis in the rat induced by antibodies directed against tubular antigens. V. Fixed glomerular antigens in the pathogenesis of heterologous immune complex glomerulonephritis.
    Author: Van Damme BJ, Fleuren GJ, Bakker WW, Vernier RL, Hoedemaeker PJ.
    Journal: Lab Invest; 1978 Apr; 38(4):502-10. PubMed ID: 147961.
    Abstract:
    In heterologous immune complex glomerulonephritis glomerular deposition of immune complexes occurs immediately after an injection with heterologous antibody directed against antigen, derived from the brush border of the tubules. The injected antibody is thought to combine with circulating Fx1A antigen to form immune complexes which subsequently are deposited in the glomeruli. However, perfusion of rat kidneys in absence of this antigen likewise resulted in prompt localization of immune complexes along the glomerular basement membrane. Further, Fx1A antigen was shown to be present in the capillary wall, especially in the filtration slits and on the cell membrane of epithelial cells. From these findings it was concluded that in this model of glomerulonephritis the deposited immune complexes are formed locally instead of being deposited from the circulation. This concept of "fixed antigen" may also be relevant to the pathogenesis of other forms of experimental glomerulonephritis and probably also for human glomerulonephritis.
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