Macromolecular IgA and abnormal Iga reactivity in sera from children with IgA nephropathy
1995
This multicenter study investigated the characteristics of circulating IgA molecules in 77 children: 42 had primary IgA nephropathy (IgAN), 20 were non-IgA glomerulonephritides (CGN) and 15 had urological problems (U). Fifteen assays were employed including the detection of macromolecular IgA [IgA immune complexes (IgAIC) by the conglutinin (K) assay, heavy molecular weight IgA in 2.5% polyethylene glycol (PEG), mixed IgA/IgGIC (Jacalin assay), IgA-Fibronectin (IgA-F) aggregates] IgA antibodies to alimentary antigens (gliadin, glycgli, glutein, ovalbumin, bovine serum albumin) and IgA binding to mesangial antigens (fibronectin, laminin, type IV collagen) or polycations (poly-L-lysine)
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KQI