“ Aminoguanidine effectively prevented albuminuria and albumin extravasation in the mesenteric interstitial tissue (control, 0.43 +/- 0.11 microg EB/100 g of dry tissue, Ag, 0.60 +/- 0.44; untreated diabetic animals, 1.22 +/- 0.73; control and Ag group vs untreated diabetic rats, P < 0.001).”