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Generation and characterization of cardiomyocytes differentiated from H9 hESCs.

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posted on 19.02.2013, 19:22 authored by Heming Wei, Guangqin Zhang, Suhua Qiu, Jun Lu, Jingwei Sheng, Manasi, Grace Tan, Philip Wong, Shu Uin Gan, Winston Shim

A: Light microscopy and immunocytochemistry image of H9 hESC-CMs dissociated from contracting EBs. Scale bar: 100 µm. Fluorescent images of H9 hESC-CMs stained with antibodies against α-actinin, β-MHC and Titin showed typical cardiac sarcomeres. Scale bar: 30 µm. B1∼2: Action potential trace of three subtypes of cardiomyocytes derived from H9 hESCs and corresponding specific action potential properties. APA: action potential amplitude. dV/dtmax: maximal rate of depolarization or maximal upstroke velocity. APD50: action potential duration at 50%. APD90: action potential duration at 90%.