Mesangial proliferative glomerulonephritis is a form of glomerulonephritis associated primarily with the mesangium. There is some evidence that interleukin-10 may inhibit it in an animal model. It is classified as type II lupus nephritis by the World Health Organization (WHO). Mesangial proliferative glomerulonephritis is a form of glomerulonephritis associated primarily with the mesangium. There is some evidence that interleukin-10 may inhibit it in an animal model. It is classified as type II lupus nephritis by the World Health Organization (WHO).