首页> 外文期刊>Life sciences >Metabolic and anti-atherogenic effects of long-term benfluorex in dyslipidemic insulin-resistant sand rats (Psammomys obesus).
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Metabolic and anti-atherogenic effects of long-term benfluorex in dyslipidemic insulin-resistant sand rats (Psammomys obesus).

机译:长期苯氟醚对血脂异常的胰岛素抵抗沙鼠(Psammomys obesus)的代谢和抗动脉粥样硬化作用。

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摘要

Benfluorex is a clinical lipid-lowering agent with antihyperglycemic properties. The effect of long-term oral treatment (10 mg/kg/day for 7.5 months) on carbohydrate and lipid metabolism and aortic morphology was investigated in 24 insulin-resistant sand rats receiving a standard laboratory diet supplemented with cholesterol (2%). Untreated controls (n=34) developed impaired glucose tolerance, hyperinsulinemia, hypertriglyceridemia, hypercholesterolemia and elevated plasma LDL- and VLDL-cholesterol, positively correlated with the proportion of the thoracic aorta displaying oil red O-positive atherosclerosis; ultrastructural examination showed intimal lipid deposits, foam cells, polymorph infiltrates and fibrosis. Benfluorex-treated animals showed significant decreases in glucose intolerance, hyperinsulinemia, hypertriglyceridemia, hypercholesterolemia, and plasma LDL- and VLDL-cholesterol, with no evidence of aortic atheroma. The metabolic benefits of benfluorex may protect against the long-term development of atherosclerosis in the insulin-resistant dyslipidemic syndrome.
机译:Benfluorex是一种具有降血糖特性的临床降脂药。在接受标准实验室饮食加胆固醇(2%)的24只胰岛素抵抗沙鼠中,研究了长期口服治疗(10毫克/千克/天,持续7.5个月)对碳水化合物和脂质代谢及主动脉形态的影响。未经治疗的对照组(n = 34)出现葡萄糖耐量降低,高胰岛素血症,高甘油三酯血症,高胆固醇血症和血浆LDL-和VLDL-胆固醇升高,与胸主动脉呈油红色O阳性动脉粥样硬化的比例呈正相关;超微结构检查显示内膜脂质沉积,泡沫细胞,多态性浸润和纤维化。用Benfluorex治疗的动物的葡萄糖耐受不良,高胰岛素血症,高甘油三酯血症,高胆固醇血症以及血浆LDL和VLDL-胆固醇显着降低,而没有主动脉粥样硬化的证据。在对胰岛素抵抗的血脂异常综合征中,benfluorex的代谢益处可能会防止动脉粥样硬化的长期发展。

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