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MYOCARDIAL MODEL CELL DERIVED FROM iPS CELL HAVING NORMAL INWARD POTASSIUM CURRENT CHARACTERISTICS

机译:具有正常内向钾电流特征的iPS细胞衍生的心肌模型细胞

摘要

The present invention addresses the problem of providing an evaluation cell and a method for establishing the same, as well as a test substance screening method using the same, used in an evaluation system for detecting QT-interval prolongation effects and arrythmogenicity in drug research and development. Prepared is a cell characterized by being derived from an induced pluripotent stem cell (iPS cell), expressing at least one cell-endogenous gene from among cardiac troponin T (TnT), connexin 43 (Cx43), or α-actinin, expressing a Kir 2.1 channel by an introduced KCNJ2 gene, the maximum diastolic potential when electrically stimulated being -85 to -65 mV, and the cell not having spontaneous periodic contractile activity.
机译:本发明解决了提供用于在药物研发中检测QT间期延长作用和致致恶性的评估系统中使用的评估单元,建立评估单元的方法以及使用该评估单元的方法的问题。 。制备一种细胞,其特征在于其来自诱导性多能干细胞(iPS细胞),并表达心肌肌钙蛋白T(TnT),连接蛋白43(Cx43)或α

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