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  • Accurate nanoelectrode recording of human pluripotent cell-derived cardiomyocytes for assaying drugs and modeling disease

Accurate nanoelectrode recording of human pluripotent cell-derived cardiomyocytes for assaying drugs and modeling disease

Published on 5 September 2020

Microsystems & Nanoengineering 3, Article number: 16080 (2017)
Published online 2017 March 13; doi:10.1038/micronano.2016.80

Abstract

The measurement of the electrophysiology of human pluripotent stem cell-derived cardiomyocytes is critical for their biomedical applications, from disease modeling to drug screening. Yet, a method that enables the high-throughput intracellular electrophysiology measurement of single cardiomyocytes in adherent culture is not available. To address this area, we have fabricated vertical nanopillar electrodes that can record intracellular action potentials from up to 60 single beating cardiomyocytes. Intracellular access is achieved by highly localized electroporation, which allows for low impedance electrical access to the intracellular voltage. Herein, we demonstrate that this method provides the accurate measurement of the shape and duration of intracellular action potentials, validated by patch clamp, and can facilitate cellular drug screening and disease modeling using human pluripotent cells. This study validates the use of nanopillar electrodes for myriad further applications of human pluripotent stem cell-derived cardiomyocytes such as cardiomyocyte maturation monitoring and electrophysiology-contractile force correlation.

Go to Nature.com for full publication

Footnotes

Ziliang Carter Lin, Allister F. McGuire, Paul W. Burridge, Elena Matsa, Hsin-Ya Lou, Joseph C. Wu & Bianxiao Cui

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