Blood and urine were collected for determination of biochemical parameters. Histological changes in the aorta and kidney were examined. At the end of the experiment, blood glucose, HbA1c and microalbumin showed at higher level. All of the high fat diet plus STZ injection rats exhibit remarkable lesions and plaque in their aorta representing damage to large blood vessels. However, they demonstrated features of different glomerulopathy. Rats suffered from hyperglycemia in whole studying time exhibit global glomerulosclerosis, hyaline arteriosclerosis and glomerular nodule which are comparable with characteristics observed in later stage of human nephropathy. The rest diabetic rats demonstrated features of mild nephropathy corresponding with a former stage of kidney disease.

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