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A-Kinase Anchoring Protein 9 and IKs Channel Regulation

机译:a-激酶锚定蛋白9和IKs通道航道整治

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摘要

A-kinase anchoring proteins (AKAPs) create compartmentalized environment inside the cell to bring various signaling molecules to their targets. In the heart, a slowly activating potassium channel (IKs) important for cardiac repolarization is tightly regulated by the sympathetic nervous system in an AKAP-dependent manner. IKs channel forms a macromolecular complex with AKAP9 and other enzymes, such as PKA, phosphatase, adenylyl cyclase and phosphodiesterase, all of which are responsible to control the phosphorylation state of the channel. Such a complex thus ensures the IKs channel to be regulated properly to maintain the normal cardiac rhythm. Disruptions of various elements of the complex have been found to cause severe pathological consequences, including the Long QT Syndrome.

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  • 期刊名称 other
  • 作者

    Lei Chen; Robert S. Kass;

  • 作者单位
  • 年(卷),期 -1(58),5
  • 年度 -1
  • 页码 459–413
  • 总页数 6
  • 原文格式 PDF
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