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  • Title: Role of endothelial cells in the development of glomerular lesions of mesangiocapillary glomerulonephritis.
    Author: Onetti Muda A, Feriozzi S, Crescenzi A, Faraggiana T.
    Journal: J Pathol; 1995 Nov; 177(3):269-74. PubMed ID: 8551389.
    Abstract:
    The histological and ultrastructural changes of mesangiocapillary glomerulonephritis (MCGN) are not unique to this entity: splitting of basement membrane (BM) is seen in a number of conditions with an altered coagulation pattern. The distribution of endothelial cells in the glomerular capillaries in five cases of MCGN was studied by light and electron microscopy and immunocytochemistry; endothelial cells were stained with peroxidase or FITC-conjugated antibodies against Factor VIII-related antigen or CD34 antigen and observed with conventional light/immunofluorescence microscopy and confocal laser scanning microscopy for three-dimensional reconstruction. Electron microscopy was performed with colloidal gold labelling. Endothelial cells were shown to be present within the duplicated basement membranes of capillaries and continuity was demonstrated with endothelial cells lining the capillary lumina. These results suggest that endothelial cells as well as mesangial cells can participate in the formation of the characteristic double contour of capillary walls in MCGN, especially in the early stages. There are some similarities to the changes seen in larger arteries as a consequence of thrombotic disease.
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