IgAN: IgA nephropathy; MCD: minimal change disease; MN: membranous nephropathy; AAV: antineutrophil cytoplasmic autoantibody (ANCA)-associated vasculitis; GBM: anti-glomerular basement membrane nephritis; PGNMID: proliferative glomerulonephritis with monoclonal immunoglobulin deposits; TAFRO: TAFRO syndrome; FSGS: focal segmental glomerulosclerosis; MPGN: membranoproliferative glomerulonephritis; TIN: tubulointerstitial nephritis; non-IgA-PGN: non IgA proliferative glomerulonephritis; IgAV: IgA vasculitis. The gene discussed is CD79A; the disease is membranoproliferative glomerulonephritis.