Table 1.

Molecular composition of glomerular deposition in IgANa

MBL StainingL-FicolinMASP-1/3C4dC4-Binding ProteinC1qC3IgA1IgA2
Negative (%; n = 45)00000821000
Positive (%; n = 15)1001001001000601000
  • ↵a Data indicate the percentage of biopsies with positive staining for a certain marker. Positive staining means clear positivity in the majority of glomeruli. IgAN, IgA nephropathy; MASP, mannose-binding lectin–associated serine proteases; MBL, mannose-binding lectin.