Journal article
Disparate effects on renal and oxidative parameters following RAGE deletion, AGE accumulation inhibition, or dietary AGE control in experimental diabetic nephropathy
ALY Tan, KC Sourris, BE Harcourt, V Thallas-Bonke, S Penfold, S Andrikopoulos, MC Thomas, RC O'Brien, A Bierhaus, ME Cooper, JM Forbes, MT Coughlan
American Journal of Physiology Renal Physiology | Published : 2010
Abstract
Advanced glycation end products (AGEs) and the receptor for AGEs (RAGE) generate ROS, and therefore this study evaluated the effects of RAGE deletion, decreasing AGE accumulation, or lowering dietary AGE content on oxidative parameters in diabetic nephropathy (DN). Control and diabetic male wild-type and RAGE-deficient (RAGE-/-) mice were fed high- or low-AGE diets, with two groups given the inhibitor of AGE accumulation, alagebrium chloride, and followed for 24 wk. Diabetic RAGE-/- mice were protected against albuminuria, hyper-filtration, glomerulosclerosis, decreased renal mitochondrial ATP production, and excess generation of both mitochondrial and cytosolic superoxide. Whereas glomerulo..
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Funding Acknowledgements
This work was completed with support from the Juvenile Diabetes Research Foundation International (JDRF) and the National Health and Medical Research Council (NHMRC) of Australia. J. M. Forbes is a JDRF Career Development Awardee. M. E. Cooper is an NHMRC Australia Fellow and JDRF scholar. A. L. Y. Tan is supported by a Kidney Health Australia scholarship.