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- W2122579194 abstract "Pluripotent stem cell-seeded cardiopatches hold promise for in situ regeneration of infarcted hearts. Here, we describe a novel cardiopatch based on bone morphogenetic protein 2-primed cardiac-committed mouse embryonic stem cells, embedded into biodegradable fibrin matrices and engrafted onto infarcted rat hearts. For in vivo tracking of the engrafted cardiac-committed cells, superparamagnetic iron oxide nanoparticles were magnetofected into the cells, thus enabling detection and functional evaluation by high-resolution magnetic resonance imaging. Six weeks after transplantation into infarcted rat hearts, both local (p < .04) and global (p < .015) heart function, as well as the left ventricular dilation (p < .0011), were significantly improved (p < .001) as compared with hearts receiving cardiopatches loaded with iron nanoparticles alone. Histological analysis revealed that the fibrin scaffolds had degraded over time and clusters of myocyte enhancer factor 2-positive cardiac-committed cells had colonized most of the infarcted myocardium, including the fibrotic area. De novo CD31-positive blood vessels were formed in the vicinity of the transplanted cardiopatch. Altogether, our data provide evidence that stem cell-based cardiopatches represent a promising therapeutic strategy to achieve efficient cell implantation and improved global and regional cardiac function after myocardial infarction." @default.
- W2122579194 created "2016-06-24" @default.
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- W2122579194 date "2012-03-01" @default.
- W2122579194 modified "2023-10-17" @default.
- W2122579194 title "Embryonic Stem Cell-Based Cardiopatches Improve Cardiac Function in Infarcted Rats" @default.
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- W2122579194 doi "https://doi.org/10.5966/sctm.2011-0028" @default.
- W2122579194 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/3659841" @default.
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