C3 glomerulopathy is an umbrella term describing a group of related forms of glomerulonephritis, and dense deposit diseases, defined by dominant or exclusive glomerular C3 deposition usually detected by immunofluorescence or immunohistochemistry (Zipfel et al. 2010a; Pickering et al. 2013). This evidence concerns the gene C3 and complement 3 glomerulopathy.