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The effect of ATP-sensitive K+ channels on the electrical burst activity and insulin secretion in pancreatic beta-cells.

作者信息

Chay T R, Kim J R, Cook D L

机构信息

University of Pittsburgh, PA 15260.

出版信息

Cell Biophys. 1990 Aug;17(1):11-36. doi: 10.1007/BF02989802.

DOI:10.1007/BF02989802
PMID:1704814
Abstract

In recent years, the electrical burst activity of the insulin releasing pancreatic beta-cells has attracted many experimentalists and theoreticians, largely because of its functional importance, but also because of the nonlinear nature of the burst activity. The ATP-sensitive K+ channels are believed to play an important role in electrical activity and insulin release. In this paper, we show by computer simulation how ATP and antidiabetic drugs can lengthen the plateau fraction of bursting and how these chemicals can increase the intracellular Ca2+ level in the pancreatic beta-cell.

摘要

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引用本文的文献

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Biophys J. 1997 Sep;73(3):1673-88. doi: 10.1016/S0006-3495(97)78199-2.

本文引用的文献

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A quantitative description of membrane current and its application to conduction and excitation in nerve.膜电流的定量描述及其在神经传导和兴奋中的应用。
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Cyclic variations of glucose-induced electrical activity in pancreatic B cells.
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Correlation between cytosolic free Ca2+ and insulin release in an insulin-secreting cell line.胰岛素分泌细胞系中胞质游离钙离子与胰岛素释放之间的相关性。
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Nature. 1984;312(5993):446-8. doi: 10.1038/312446a0.
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Intracellular ATP directly blocks K+ channels in pancreatic B-cells.细胞内的三磷酸腺苷(ATP)直接阻断胰腺β细胞中的钾离子通道。
Nature. 1984;311(5983):271-3. doi: 10.1038/311271a0.
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Glucose-induced electrical activity in pancreatic islet cells.葡萄糖诱导的胰岛细胞电活动。
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The purine nucleotide cycle. IV. Interactions with oscillations of the glycolytic pathway in muscle extracts.嘌呤核苷酸循环。IV. 与肌肉提取物中糖酵解途径振荡的相互作用。
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