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Deprecated: Implicit conversion from float 251.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Diabetes+Res+Clin+Pract 2011 ; 93 (1): 63-9 Nephropedia Template TP
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Effect of pioglitazone on diabetic nephropathy and expression of HIF-1alpha and VEGF in the renal tissues of type 2 diabetic rats #MMPMID21514683
Xu X; Chen P; Zheng Q; Wang Y; Chen W
Diabetes Res Clin Pract 2011[Jul]; 93 (1): 63-9 PMID21514683show ga
OBJECTIVE: To investigate the effect of pioglitazone on the progression of diabetic nephropathy and the expression of hypoxia inducible factor-1alpha (HIF-1a) and vascular endothelial growth factor (VEGF) in a rat model of type-2 diabetes. METHODS: Streptozotocin-induced type-2 diabetes mellitus (DM) model was set up in male Sprague Dawley rats. DM rats were treated with or without pioglitazone (4 mg/kg/day for 8 weeks) and/or cobalt chloride. Normal rats were used as controls. The blood chemistry, urine albumin, kidney histology, and expression of HIF-1alpha and VEGF of the different groups were compared. RESULTS: The kidney weights and kidney weight indexes of DM rats were significantly higher than in NC rats (P<0.01) and the kidney weights and kidney weight indexes of rats in pioglitazone and/or cobalt chloride treatment group were significantly less than in DM group. Relative to rats in the NC group, rats in the DM group had significantly disrupted serum chemistry, urinary albumin, and kidney histology, and significantly enhanced expression of HIF-1a and VEGF. Rats in the pioglitazone and/or cobalt chloride treatment group experienced significant amelioration of these effects. CONCLUSION: In a rat model, pioglitazone ameliorated many of the physiological, cellular, and molecular processes associated with diabetic nephropathy.
|Animals[MESH]
|Blotting, Western[MESH]
|Body Weight/drug effects[MESH]
|Diabetes Mellitus, Type 2/*drug therapy/*metabolism[MESH]