Autologous Mesenchymal Stem Cells Show More Benefit on Systolic Function Compared to Bone Marrow Mononuclear Cells in a Porcine Model of Chronic Myocardial Infarction

T. I. G. van der Spoel, W. A. Gathier, S. Koudstaal, F. van Slochteren, S. Jansen of Lorkeers, J. P. G. Sluijter, I. E. Hoefer, P. Steendijk, M. J. M. Cramer, P. A. Doevendans, E. van Belle, S. A. J. Chamuleau

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Abstract

Cardiac cell therapy is a strategy to treat patients with chronic myocardial infarction (MI). No consensus exists regarding the optimal cell type. First, a comparison between autologous bone marrow-derived mononuclear cells (BMMNC) and mesenchymal stem cells (MSC) on therapeutic efficacy after MI was performed. Next, the effect of repetitive, NOGA-guided transendocardial injection was determined via a crossover design. Nineteen pigs were allocated in three groups: (1) placebo (at 4 and 8 weeks), (2) MSC (followed by placebo at 8 weeks), or (3) BMMNC (followed by MSC at 8 weeks) delivery including a priming strategy to enhance MSC effect. At 4 weeks, ejection fraction (EF) was significantly improved after MSC injection and not by BMMNC injection. After 8 weeks, no difference was observed in EF between cell-treated groups demonstrating the positive systolic effect of MSC. This study showed that MSC rather than BMMNC injection improves systolic function in chronic MI.
Original languageEnglish
Pages (from-to)393-403
JournalJournal of cardiovascular translational research
Volume8
Issue number7
DOIs
Publication statusPublished - 17 Sept 2015
Externally publishedYes

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