sentences:  Membranoproliferative glomerulonephritis
  
  Membranoproliferative glomerulonephritis (MPGN) is a type of glomerulonephritis caused by deposits in the kidney glomerular mesangium and basement membrane (GBM) thickening, activating complement and damaging the glomeruli.MPGN accounts for approximately 4% of primary renal causes of nephrotic syndrome in children and 7% in adults.