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MUSCLEMOTION: a versatile open software tool to quantify cardiomyocyte and cardiac muscle contraction in vitro and in vivo

Sala, L.; van Meer, B.J.; Tertoolen, L.G.J.; Bakkers, J.; Bellin, M.; Davis, R.P.; Denning, Chris; Dieben, M.A.E.; Eschenhagen, T.; Giacomelli, E.; Grandela, C.; Hansen, A.; Holman, E.R.; Jongbloed, M.R.M.; Kamel, S.M.; Koopman, C.D.; Lachaud, Q.; Mannhardt, I.; Mol, M.P.H.; Mosqueira, D.; Orlova, V.V.; Passier, R.; Ribeiro, M.C.; Saleem, U.; Smith, G.L.; Mummery, C.L.; Burton, F.L.

MUSCLEMOTION: a versatile open software tool to quantify cardiomyocyte and cardiac muscle contraction in vitro and in vivo Thumbnail


L. Sala

B.J. van Meer

L.G.J. Tertoolen

J. Bakkers

M. Bellin

R.P. Davis

Professor of Stem Cell Biology

M.A.E. Dieben

T. Eschenhagen

E. Giacomelli

C. Grandela

A. Hansen

E.R. Holman

M.R.M. Jongbloed

S.M. Kamel

C.D. Koopman

Q. Lachaud

I. Mannhardt

M.P.H. Mol

D. Mosqueira

V.V. Orlova

R. Passier

M.C. Ribeiro

U. Saleem

G.L. Smith

C.L. Mummery

F.L. Burton


Rationale: There are several methods to measure cardiomyocyte (CM) and muscle contraction but these require customized hardware, expensive apparatus and advanced informatics or can only be used in single experimental models. Consequently, data and techniques have been difficult to reproduce across models and laboratories, analysis is time consuming and only specialist researchers can quantify data.
Objective: Here we describe and validate an automated, open source software tool (MUSCLEMOTION) adaptable for use with standard laboratory- and clinical imaging equipment that enables quantitative analysis of normal cardiac contraction, disease phenotypes and pharmacological responses.
Methods and Results: MUSCLEMOTION allowed rapid and easy measurement of contractility from high-speed movies in: (i) 1-dimensional in vitro models such as isolated adult and human pluripotent stem cell-derived CMs (hPSC-CMs); (ii) 2-dimensional in vitro models, such as beating CM monolayers or small clusters of hPSC-CMs; (iii) 3-dimensional multicellular in vitro or in vivo contractile tissues such as cardiac "organoids", engineered heart tissues (EHT), zebrafish- and human hearts. MUSCLEMOTION was effective under different recording conditions (bright field microscopy with simultaneous patch clamp recording, phase contrast microscopy and traction force microscopy). Outcomes were virtually identical to the current gold standards for contraction measurement such as optical flow, pole deflection, edge-detection systems or manual analyses. Finally, we used the algorithm to quantify contraction in in vitro and in vivo arrhythmia models and to measure pharmacological responses.
Conclusions: Using a single open source method for processing video recordings, we obtained reliable pharmacological data and measures of cardiac disease phenotype in experimental cell-, animal- and human models

Journal Article Type Article
Acceptance Date Dec 23, 2017
Online Publication Date Dec 27, 2017
Publication Date Feb 2, 2018
Deposit Date Jan 9, 2018
Publicly Available Date Mar 14, 2019
Journal Circulation Research
Print ISSN 0009-7330
Electronic ISSN 0009-7330
Publisher American Heart Association
Peer Reviewed Peer Reviewed
Volume 122
Issue 3
Pages e5
Series Title e16
Keywords Pluripotent stem Cell-derived cardiomyocytes, contraction, basic science; arrhythmia, software tools
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