Three-dimensional filamentous human diseased cardiac tissue model.
Three-dimensional filamentous human diseased cardiac tissue model.
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DOI:
10.1016/j.biomaterials.2013.10.052
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发表时间:
2014-02
期刊:
影响因子:
14
通讯作者:
Healy, Kevin E.
中科院分区:
文献类型:
--
作者:
Ma, Zhen;Koo, Sangmo;Finnegan, Micaela A.;Loskill, Peter;Huebsch, Nathaniel;Marks, Natalie C.;Conklin, Bruce R.;Grigoropoulos, Costas P.;Healy, Kevin E.
关键词:
A human in vitro cardiac tissue model would be a significant advancement for understanding, studying, and developing new strategies for treating cardiac arrhythmias and related cardiovascular diseases. We developed an in vitro model of three-dimensional (3D) human cardiac tissue by populating synthetic filamentous matrices with cardiomyocytes derived from healthy wild-type volunteer (WT) and patient-specific long QT syndrome type 3 (LQT3) induced pluripotent stem cells (iPS-CMs) to mimic the condensed and aligned human ventricular myocardium. Using such a highly controllable cardiac model, we studied the contractility malfunctions associated with the electrophysiological consequences of LQT3 and their response to a panel of drugs. By varying the stiffness of filamentous matrices, LQT3 iPS-CMs exhibited different level of contractility abnormality and susceptibility to drug-induced cardiotoxicity.
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影响因子:
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