Pathogenesis of membranous nephropathy in systemic lupus erythematosus: possible role of nonprecipitating DNA antibody.

Abstract

A v B NS; NS. * + = Precipitin reaction of neat test serum w%ith 20, 5, or 1-25 mg DNA,1.t Ammonium sulphate and spontaneously precipitating results expressed as percent- age of "' I-DNA bound bv antibody.Ratio = Spontaneously precipitating: ammonium sulphate.Case 8 did not undergo renal biopsy.