Overview

This article presents protocols for developing human induced pluripotent stem cell-derived cardiomyocyte networks on multiwell MEA plates. The methods include reversible electroporation for action potential measurements, enabling high-throughput recordings over multiple days.

Key Study Components

Area of Science

Neuroscience
Cardiovascular Biology
Electrophysiology

Background

Human induced pluripotent stem cells (hiPSCs) can differentiate into cardiomyocytes.
Multiwell MEA plates allow for simultaneous recording of electrical activity from multiple cell sites.
Electroporation is a technique used to manipulate cell membranes for experimental purposes.
Action potential measurements are crucial for assessing cardiomyocyte function.

Purpose of Study

To establish a reliable protocol for culturing hiPSC-derived cardiomyocytes.
To facilitate action potential measurements using multiwell MEA technology.
To provide a framework for testing compounds in electrophysiological studies.

Methods Used

Thawing and plating hiPSC-derived cardiomyocytes on MEA plates.
Implementing a custom MATLAB workflow for data analysis.
Performing quality checks on electrical activity post-plating.
Using electroporation to induce action potentials for measurement.

Main Results

Successful establishment of cardiomyocyte networks with spontaneous beating.
High-quality action potential recordings obtained from multiple sites.
Robust data processing methods developed for analyzing electrophysiological signals.
Demonstrated viability of cardiomyocytes in multiwell MEA culture.

Conclusions

The protocols provide a reliable method for studying cardiomyocyte electrophysiology.
High-throughput capabilities enable extensive compound testing.
Future applications may include drug screening and disease modeling.

Frequently Asked Questions

What are hiPSC-derived cardiomyocytes?

They are cardiomyocytes derived from human induced pluripotent stem cells, capable of differentiating into heart cells.

How does electroporation work in this context?

Electroporation temporarily permeabilizes the cell membrane to allow for the introduction of substances for measurement.

What is the significance of action potential measurements?

They provide insights into the electrical activity and health of cardiomyocytes, crucial for understanding heart function.

What challenges are associated with multiwell MEA plates?

Key challenges include proper cell plating and maintaining the quality of the MEA surfaces.

How can the data be analyzed?

Data can be analyzed using a custom MATLAB workflow designed for processing electrophysiological signals.

What applications can arise from this research?

Potential applications include drug testing, disease modeling, and understanding cardiac physiology.

Institution - Advocate Aurora Health Care

Articles Published in JoVE