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POTENTIATION OF GLUCAGON-LIKE PEPTIDE 1 INSULINOTROPIC ACTION BY SUCCINIC ACID DIMETHYL ESTER

机译:蔗糖酸二甲基酯对葡聚糖样肽1的促营养作用的增效作用

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The glucagon-like peptide 1 (7-36) amide (GLP-1, 1.0 nM) was administered to isolated rat pancreases perfused either in the absence of exogenous nutrient or presence of 10 mM succinic acid dimethyl ester (SAD). In the absence of any exogenous nutrient, GLP-1 failed to affect either insulin or glucagon release. The administration of SAD caused a biphasic stimulation of insulin output and inhibited glucagon secretion. In the presence of SAD, GLP-1 still failed to affect glucagon release, but markedly enhanced insulin secretion. These findings indicate that GLP-1 is not truly a glucose-dependent, but rather nutrient-dependent insulin secretagogue. They also suggest that non-glucidic nutrients, such as SAD, could be used to optimalize the B-cell secretory response to GLP-1 in non-insulin-dependent diabetes mellitus. [References: 27]
机译:将胰高血糖素样肽1(7-36)酰胺(GLP-1,1.0 nM)给予在没有外源营养物或10 mM琥珀酸二甲酯(SAD)的情况下灌注的分离的大鼠胰脏中。在没有任何外源营养的情况下,GLP-1不能影响胰岛素或胰高血糖素的释放。 SAD的施用引起胰岛素输出的双相刺激并抑制胰高血糖素分泌。在存在SAD的情况下,GLP-1仍无法影响胰高血糖素的释放,但胰岛素分泌显着增强。这些发现表明,GLP-1并不是真正的葡萄糖依赖性,而是营养依赖性的胰岛素促分泌剂。他们还建议在非胰岛素依赖型糖尿病中,可以使用非葡萄糖营养素(例如SAD)来优化B细胞对GLP-1的分泌反应。 [参考:27]

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