Fig. 4.
Photographs of immunofluorescence studies for the detection of galactose-deficient IgA1. In this case, galactose-deficient IgA1 in the mesangial lesion was not detected. The positive control was a case with 30-year-old man with primary IgA nephropathy. The primary antibody was an anti-human Gd-IgA1(KM-55) rat IgG MoAb (IBL, Gunma, Japan)