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Stem cells and AI team up to predict cardiac arrhythmias in patients
Overview
Onset and severity of arrhythmic events in patients are notoriously unpredictable, particularly in younger and patients with no history of cardiac disease. Researchers combined stem cell technology with machine learning, which enabled them to predict with a high degree of accuracy arrhythmias in the lab. The results of the research were recently published in the journal Stem Cell Reports.
In their research, the team used human heart muscle cells, so-called cardiomyocytes, which were made from pluripotent stem cells in the lab. The different cardiomyocyte cultures used in this study had varying propensities to arrhythmias due to genetic mutations or drug treatment. Using video data from more than 3,000 "healthy" and arrhythmia-prone cardiomyocytes, the researchers trained a machine learning program on the specific beating behavior of the cultures, using a visible indicator of changes in calcium concentrations within the cells, as a measure of heart function.
Using this system, the computer algorithms achieved over 90% accuracy in predicting the occurrence of drug- or genetically-induced arrhythmias and identified distinct patterns predictive of arrhythmias.
This research lays the foundation for machine learning-based patient risk profiling and drug toxicity testing in patient-derived cardiomyocytes, which could help to generate safer and more effective medicines ended the researchers.
Reference: "Stem cells and AI team up to predict cardiac arrhythmias in patients"; INTERNATIONAL SOCIETY FOR STEM CELL RESEARCH; JOURNAL- Stem Cell Reports, DOI:10.1016/j.stemcr.2022.06.005.
Speakers
Isra Zaman
B.Sc Life Sciences, M.Sc Biotechnology, B.Ed