the renal tissues of 16 patients -- 13 with classic mpgn and 3 with dense deposit disease , a variant of mpgn -- were studied by light and electron microscopy and by means of elution and immunofluorescence for the localization of complement ( c1q , c4 , and c3 ) , immunoglobulins ( 1gg , igm , and 1ga ) , and other serum proteins .
C0268743
dense deposit disease
C0017662
mpgn