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Open Software to Quantify Cardiac Contraction (p e5)
Sala et al create MUSCLEMOTION, an open-source software for quantifying contractions in both heart muscle cells and tissues.
Measurement and analysis of cardiac contractility are of high importance in studying muscle function, assessing disease phenotypes, and evaluating drug toxicity. Unlike electrophysiological measurements, for which there are well-established and standardized techniques applicable to a range of samples, the techniques for measuring myocardial contractions tend to be sample-specific, not easily comparable, and require specialized expertise. Sala and colleagues have now developed a novel software that can quantify contractions in movies of specimens as diverse as single heart cells, cultured cardiac myocytes, 3D cardiac organoids, and even living Zebrafish hearts. They tested the ability of their software, called MUSCLEMOTION, to detect drug-induced and disease-related contraction …