Abstract
Cell death-inducing DFF45-like effector C (CIDEC) is involved in diet-induced adipose inflammation. Whether CIDEC plays a role in diabetic vascular inflammation remains unclear. A type 2 diabetic rat model was induced by high-fat diet and low-dose streptozotocin. We evaluated its characteristics by metabolic tests, Western blot analysis of CIDEC and C1q/tumor necrosis factor-related protein-3 (CTRP3) expression, and histopathological analysis of aortic tissues. The diabetic group exhibited elevated CIDEC expression, aortic inflammation, and remodeling. To further investigate the role of CIDEC in the pathogenesis of aortic inflammation, gene silencing was used. With CIDEC gene silencing, CTRP3 expression was restored, accompanied with amelioration of insulin resistance, aortic inflammation, and remodeling in diabetic rats. Thus, the silencing of CIDEC is potent in mediating the reversal of aortic inflammation and remodeling, indicating that CIDEC may be a potential therapeutic target for vascular complications in diabetes.
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