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首页> 外文期刊>European Journal of Pharmacology: An International Journal >JTT-608 controls blood glucose by enhancement of glucose-stimulated insulin secretion in normal and diabetes mellitus rats.
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JTT-608 controls blood glucose by enhancement of glucose-stimulated insulin secretion in normal and diabetes mellitus rats.

机译:JTT-608通过增强正常和糖尿病大鼠中葡萄糖刺激的胰岛素分泌来控制血糖。

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摘要

We investigated the pharmacological effects of a new anti-hyperglycemic agent, JTT-608 [trans-4-(4-methylcyclohexyl)-4-oxobutyric acid], in normal and neonatally streptozotocin-treated rats. In normal rats, JTT-608 improved glucose tolerance at 3-30 mg/kg, doses that did not cause a decrease in fasting blood glucose levels. In contrast, tolbutamide (10-100 mg/kg) and glibenclamide (1-3 mg/kg) caused a persistent decrease in fasting blood glucose levels, and tolbutamide only improved glucose tolerance at 10-100 mg/kg. Furthermore, JTT-608 (3-30 mg/kg) enhanced insulin secretion only with glucose stimulation, but tolbutamide (10-100 mg/kg) enhanced it both with and without glucose stimulation. In neonatally streptozotocin-treated rats, JTT-608 (10-100 mg/kg) improved glucose tolerance with enhanced insulin secretion in the oral glucose tolerance test and meal tolerance test. Additionally, JTT-608 improved glucose tolerance dose dependently, but the effect of tolbutamide reached a plateau. We conclude that JTT-608 is an enhancer of glucose-stimulated insulin secretion.
机译:我们研究了一种新的抗高血糖药,JTT-608 [反式-4-(4-甲基环己基)-4-氧代丁酸]在正常和新生儿链脲佐菌素治疗的大鼠中的药理作用。在正常大鼠中,JTT-608可提高3-30 mg / kg的葡萄糖耐量,这些剂量不会引起空腹血糖水平降低。相反,甲苯磺丁酰胺(10-100 mg / kg)和格列本脲(1-3 mg / kg)导致空腹血糖水平持续降低,而甲苯磺丁酰胺仅改善10-100 mg / kg的葡萄糖耐量。此外,JTT-608(3-30 mg / kg)仅在葡萄糖刺激下增强胰岛素分泌,而甲苯磺丁酰胺(10-100 mg / kg)在有和无葡萄糖刺激下均增强胰岛素分泌。在新生的链脲佐菌素治疗的大鼠中,口服葡萄糖耐量试验和膳食耐量试验中,JTT-608(10-100 mg / kg)改善了葡萄糖耐量,同时胰岛素分泌增强。另外,JTT-608依赖性地提高了葡萄糖耐量,但是甲苯磺丁酰胺的作用达到了平稳。我们得出结论,JTT-608是葡萄糖刺激的胰岛素分泌的增强剂。

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