Abstract
Diabetic nephropathy is the single major cause of end stage renal failure. The increase of visceral adipose tissue may lead to glomerular hypertrophy and chronic kidney disease. The objective is to determine renal changes in diabetic Golden-Syrian Hamster (Mesocricetus auratus) supplemented with a hypercaloric diet. Methods: One group of animals (n=10) was fed with a standard diet (SD), and the other group (n=10) was fed with a hypercaloric diet (HCD) for 1 month. Afterwards, both groups were treated with three doses of Streptozotocin. Hyperglycemia was determined throughout 73 days. The animal’s weight, blood and kidney tissues were obtained for analysis. Results: Diabetic animals fed with HCD diet manifested hyperglycemia (250-350 mg/dL) with significant weight loss (40g) and important glomerular filtration rate decrement (0.491mL/min). Regarding to renal fibrosis, all animals showed an increase of glomerular, interstitial, and cortical extracellular matrix (36.3, 75.2 and 70.7%, respectively). Diabetic animals that were SD-fed showed only mild hyperglycemia and slight increase of glomerular, interstitial, and cortical extracellular matrix. A group of animals (n=5) that was fed exclusively with HCD was also included in the study. Conclusions: Our finding suggests that HCD fed can accelerate the progression of chronic kidney disease in a diabetic condition.
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