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Diffusion Tensor Cardiac Magnetic Resonance Reveals Exosomes From Cardiosphere-Derived Cells Preserve Myocardial Fiber Architecture After Myocardial Infarction.


ABSTRACT: The object of the study was to reveal the fiber microstructural response with diffusion tensor cardiac magnetic resonance after intramyocardial exosomes secreted by cardiosphere-derived cells (CDCEXO) in chronic porcine myocardial infarction. Porcine with myocardial infarction underwent intramyocardial delivery of human CDCEXO and placebo in a randomized placebo-controlled study. Four weeks after injection, viability improved in the CDCEXO group, whereas myocardial fiber architecture and cardiac function were preserved. In the placebo group, fiber architecture and cardiac function declined. Myocardial regeneration by CDCEXO is not tumor-like; instead, details of tissue architecture are faithfully preserved, which may foster physiological excitation and contraction.

SUBMITTER: Nguyen CT 

PROVIDER: S-EPMC5869026 | biostudies-literature | 2018 Feb

REPOSITORIES: biostudies-literature

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Diffusion Tensor Cardiac Magnetic Resonance Reveals Exosomes From Cardiosphere-Derived Cells Preserve Myocardial Fiber Architecture After Myocardial Infarction.

Nguyen Christopher T CT   Dawkins James J   Bi Xiaoming X   Marbán Eduardo E   Li Debiao D  

JACC. Basic to translational science 20180201 1


The object of the study was to reveal the fiber microstructural response with diffusion tensor cardiac magnetic resonance after intramyocardial exosomes secreted by cardiosphere-derived cells (CDC<sub>EXO</sub>) in chronic porcine myocardial infarction. Porcine with myocardial infarction underwent intramyocardial delivery of human CDC<sub>EXO</sub> and placebo in a randomized placebo-controlled study. Four weeks after injection, viability improved in the CDC<sub>EXO</sub> group, whereas myocardi  ...[more]

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