Physiological conditioning by electric field stimulation promotes cardiomyogenic gene expression in human cardiomyocyte progenitor cells

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Physiological conditioning by electric field stimulation promotes cardiomyogenic gene expression in human cardiomyocyte progenitor cells

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Title: Physiological conditioning by electric field stimulation promotes cardiomyogenic gene expression in human cardiomyocyte progenitor cells
Author: Llucià-Valldeperas, Aida; Sanchez, Benjamin; Soler-Botija, Carolina; Gálvez-Montón, Carolina; Roura, Santiago; Prat-Vidal, Cristina; Perea-Gil, Isaac; Rosell-Ferrer, Javier; Bragos, Ramon; Bayes-Genis, Antoni

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Citation: Llucià-Valldeperas, Aida, Benjamin Sanchez, Carolina Soler-Botija, Carolina Gálvez-Montón, Santiago Roura, Cristina Prat-Vidal, Isaac Perea-Gil, Javier Rosell-Ferrer, Ramon Bragos, and Antoni Bayes-Genis. 2014. “Physiological conditioning by electric field stimulation promotes cardiomyogenic gene expression in human cardiomyocyte progenitor cells.” Stem Cell Research & Therapy 5 (4): 93. doi:10.1186/scrt482. http://dx.doi.org/10.1186/scrt482.
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Abstract: The optimal cell lineage for cardiac-regeneration approaches remains mysterious. Additionally, electrical stimulation promotes cardiomyogenic differentiation of stimulated cells. Therefore, we hypothesized that electrical conditioning of cardiomyocyte progenitor cells (CMPCs) might enrich their cardiovascular potential. CMPCs were isolated from human adult atrial appendages, characterized, and electrically stimulated for 7 and 14 days. Electrical stimulation modulated CMPCs gene and protein expression, increasing all cardiac markers. GATA-binding protein 4 (GATA4) early transcription factor was significantly overexpressed (P = 0.008), but also its coactivator myocyte enhancer factor 2A (MEF2A) was upregulated (P = 0.073) under electrical stimulation. Moreover, important structural proteins and calcium handling-related genes were enhanced. The cardioregeneration capability of CMPCs is improved by electrical field stimulation. Consequently, short-term electrical stimulation should be a valid biophysical approach to modify cardiac progenitor cells toward a cardiogenic phenotype, and can be incorporated into transdifferentiation protocols. Electrostimulated CMPCs may be best-equipped cells for myocardial integration after implantation. Electronic supplementary material The online version of this article (doi:10.1186/scrt482) contains supplementary material, which is available to authorized users.
Published Version: doi:10.1186/scrt482
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4282148/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:13890804
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