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microRNAs signatures as potential biomarkers of structural cardiotoxicity in human-induced pluripotent stem-cell derived cardiomyocytes

  • Organ Toxicity and Mechanisms
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Abstract

Identification of early biomarkers of heart injury and drug-induced cardiotoxicity is important to eliminate harmful drug candidates early in preclinical development and to prevent severe drug effects. The main objective of this study was to investigate the expression of microRNAs (miRNAs) in human-induced pluripotent stem cell cardiomyocytes (hiPSC-CM) in response to a broad range of cardiotoxic drugs. Next generation sequencing was applied to hiPSC-CM treated for 72 h with 40 drugs falling into the categories of functional (i.e., ion channel blockers), structural (changes in cardiomyocytes structure), and general (causing both functional and structural) cardiotoxicants as well as non-cardiotoxic drugs. The largest changes in miRNAs expression were observed after treatments with structural or general cardiotoxicants. The number of deregulated miRNAs was the highest for idarubicin, mitoxantrone, and bortezomib treatments. RT-qPCR validation confirmed upregulation of several miRNAs across multiple treatments at therapeutically relevant concentrations: hsa-miR-187-3p, hsa-miR-146b-5p, hsa-miR-182-5p (anthracyclines); hsa-miR-365a-5p, hsa-miR-185-3p, hsa-miR-184, hsa-miR-182-5p (kinase inhibitors); hsa-miR-182-5p, hsa-miR-126-3p and hsa-miR-96-5p (common some anthracyclines, kinase inhibitors and bortezomib). Further investigations showed that an upregulation of hsa-miR-187-3p and hsa-miR-182-5p could serve as a potential biomarker of structural cardiotoxicity and/or an additional endpoint to characterize cardiac injury in vitro.

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Acknowledgements

The present project was supported by a grant from the Walloon Region (Belgium) – DGO6 (Convention N°7245). We are thankful to Andre da Costa for his advice on miRNA profiling experiments set up and to Michael Colwell for his help with cell culture and pellet collection.

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Walloon region,DGO6 (Convention N°7245),Vitalina Gryshkova

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Correspondence to Vitalina Gryshkova.

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Some of the authors are employees of UCB Biopharma and hold shares/stock options of UCB Biopharma.

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Gryshkova, V., Lushbough, I., Palmer, J. et al. microRNAs signatures as potential biomarkers of structural cardiotoxicity in human-induced pluripotent stem-cell derived cardiomyocytes. Arch Toxicol 96, 2033–2047 (2022). https://doi.org/10.1007/s00204-022-03280-8

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  • DOI: https://doi.org/10.1007/s00204-022-03280-8

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