articleCirculationMay 12, 2003BRONZE OA

In Vivo Magnetic Resonance Imaging of Mesenchymal Stem Cells in Myocardial Infarction

Johns Hopkins University · Bilkent University · +2 more institutions

PubMed
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Abstract

Background

We investigated the potential of magnetic resonance imaging (MRI) to track magnetically labeled mesenchymal stem cells (MR-MSCs) in a swine myocardial infarction (MI) model. METHODS AND RESULTS: Adult farm pigs (n=5) were subjected to closed-chest experimental MI. MR-MSCs (2.8 to 16x107 cells) were injected intramyocardially under x-ray fluoroscopy. MRIs were obtained on a 1.5T MR scanner to demonstrate the location of the MR-MSCs and were correlated with histology. Contrast-enhanced MRI demonstrated successful injection in the infarct and serial MSC tracking was demonstrated in two animals.

Conclusions

MRI tracking of MSCs is feasible and represents a preferred method for studying the engraftment of MSCs in MI.

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Funding