C3 IgG IgM Treatment         Untreated BXSB 1 2 3 4 5 + + + + + - M M + + - M M + + Bc/BMT 1 2 3 4 5 M - - - - + - - + - + + + + +: Linear staining; -: Negative staining; M: Mesangeal staining

Table 1: Immunofluorescence analysis.