Automated image analysis system for studying cardiotoxicity in human pluripotent stem cell-Derived cardiomyocytes

Lu Cao1, Andries D van der Meer2, Fons J Verbeek3

  • 1Imaging and Bioinformatics group, Leiden Institute of Advanced Computer Science (LIACS), Leiden University, Niels Bohrweg 1, Leiden, 2333 CA, The Netherlands.

BMC Bioinformatics
|May 16, 2020
PubMed
Abstract

Insights

This study presents an automated image analysis system to reliably detect drug-induced cardiotoxicity in human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs). The system accurately quantifies toxic effects, improving drug screening for safer anticancer therapies.

Area of Science:

  • Biomedical Engineering
  • Cardiovascular Research
  • Drug Discovery

Background:

  • Anticancer drugs can cause cardiotoxicity, leading to severe cardiac dysfunction.
  • Current drug screening models (animal, cell lines) inadequately represent human biology.
  • Human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) offer a promising human-based model for toxicity screening.

Purpose of the Study:

  • To develop a fully automated image analysis system for high-throughput drug toxicity screening on hiPSC-CMs.
  • To overcome challenges in automated analysis caused by clustered cell growth and variable fluorescent marker expression.
  • To enable reliable quantification of cardiotoxic phenotypes induced by anticancer drugs.

Main Methods:

  • Developed a high-throughput system for automated image analysis of hiPSC-CMs.
  • Employed single-cell segmentation via nuclear signal extraction.
  • Utilized fuzzy C-mean clustering for cardiac α-actinin signal and nuclear signal propagation.

Main Results:

  • The automated system accurately quantifies cardiotoxic phenotypes from hiPSC-CMs treated with doxorubicin or crizotinib.
  • Achieved high precision (0.81) and recall (0.93) scores compared to manual segmentation.
  • Demonstrated reliable segmentation of cardiomyocytes despite heterogeneous α-actinin signals.

Conclusions:

  • The developed automated image analysis system reliably segments cardiomyocytes.
  • This system enables accurate quantification of drug-induced cardiotoxicity in hiPSC-CMs.
  • The technology facilitates improved drug screening for safer anticancer treatments.

Related Concept Videos