PI3酶抑制剂LY294002对Kv1.5通道的抑制作用
被引量:1
摘要
超快速延迟外向性整流钾电流Ikur在心肌细胞动作电位复极过程有着重要的调控作用。Ikur电流的分子基础为Kv1.5通道,由KCNA5基因编码,到目前为止,仅在人心房细胞中发现有该电流,而没有在心室中发现,故减少Kv1.5电流可延长心房动作电位时程,阻止房颤发生,且避免出现室性心律失常。
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