<prompt> IgA nephropathy can occur in -Membranoproliferative GNMinimal change GNMesangioproliferative GNRPGN type I  <response>: Mesangial proliferative glomerulonephritis -It is characterized by the proliferation of mesangial cellsIt is classified according to the predominant type of immunoglobulin present in the glomerulus.a IgG in the mesangium -Increased no. of mesangial cells in the glomeruliImmunoflorescence shows the presence of IgG and C3 in the mesangium.b IgA in the mesangium IgA nephropathy or Bergers diseaseIt is characterized by focal segmental or diffuse proliferation of mesangium.Immunoflorescence shows the presence of IgA deposits in the mesangium C3 is also present. 