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Updated: Nov 24, 2025

Isolation and Physiological Analysis of Mouse Cardiomyocytes

Isolation and Physiological Analysis of Mouse Cardiomyocytes

Published on: September 7, 2014

Label-Free Isolation and Single Cell Biophysical Phenotyping Analysis of Primary Cardiomyocytes Using Inertial

Hossein Tavassoli^1,2,3, Prunella Rorimpandey^2,3, Young Chan Kang^2,3

¹Department of Telecommunications, Electrical, Robotics and Biomedical Engineering, Swinburne University of Technology, Hawthorn, Victoria, 3122, Australia.

Small (Weinheim an Der Bergstrasse, Germany)

|December 28, 2020

Summary

This summary is machine-generated.

Researchers developed a label-free microfluidics method to isolate pure, viable cardiomyocytes (CMs) from mouse hearts. This technique preserves CM identity and function, aiding cell therapy and diagnostics.

Keywords:

cardiomyocyte cell separation deformability cytometry microfluidics regeneration

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Last Updated: Nov 24, 2025

Isolation and Physiological Analysis of Mouse Cardiomyocytes

Isolation and Physiological Analysis of Mouse Cardiomyocytes

Published on: September 7, 2014

Isolation, Culture, and Functional Characterization of Adult Mouse Cardiomyoctyes

Isolation, Culture, and Functional Characterization of Adult Mouse Cardiomyoctyes

Published on: September 24, 2013

Simplified, High-throughput Analysis of Single-cell Contractility using Micropatterned Elastomers

Simplified, High-throughput Analysis of Single-cell Contractility using Micropatterned Elastomers

Published on: April 8, 2022

Area of Science:

Cardiovascular Biology
Biomedical Engineering
Cell Biology

Background:

Understanding cardiomyocyte (CM) identity and function is crucial for advancing cardiovascular research and therapies.
Current methods for isolating pure primary CMs often face limitations in efficiency and viability.
Developing advanced tools is essential for accurate CM isolation and subsequent functional studies.

Purpose of the Study:

To develop and validate a label-free method for purifying viable primary cardiomyocytes (CMs).
To assess the identity and function of isolated CMs using cardiac-specific markers and contractility assays.
To evaluate the physico-mechanical properties of CMs and non-CMs using deformability cytometry.

Main Methods:

Utilized a particle size-based inertial microfluidics biochip for label-free CM purification from neonatal mouse hearts.
Assessed CM viability, identity (cardiac-specific markers), and function (contractility) post-isolation.
Employed real-time deformability cytometry to analyze the physico-mechanical properties of sorted cells.

Main Results:

Achieved over 90% purity for isolated cardiomyocytes using the microfluidics method.
Purified CMs demonstrated maintained viability, identity, and contractile function.
Distinct physico-mechanical properties were observed between CMs and non-CMs via deformability cytometry.

Conclusions:

The developed label-free microfluidics method provides a highly pure and viable population of cardiomyocytes.
This technique effectively preserves CM identity and function, enabling downstream phenotyping.
The method offers a valuable tool for advancing cardiomyocyte research, cell therapy, and diagnostic applications.