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Concise Review: Optimized Strategies for Stem Cell-based Therapy in Myocardial Repair: Clinical Translatability and Potential Limitation.

Concise Review: Optimized Strategies for Stem Cell-based Therapy in Myocardial Repair: Clinical Translatability and Potential Limitation.
Author Information (click to view)

Wu R, Hu X, Wang J,


Wu R, Hu X, Wang J, (click to view)

Wu R, Hu X, Wang J,

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Stem cells (Dayton, Ohio) 2018 01 13() doi 10.1002/stem.2778
Abstract

Ischemic heart diseases (IHDs) remain major public health problems with high rates of morbidity and mortality worldwide. Despite significant advances, current therapeutic approaches are unable to rescue the extensive and irreversible loss of cardiomyocytes caused by severe ischemia. Over the past 16 years, stem cell-based therapy has been recognized as an innovative strategy for cardiac repair/regeneration and functional recovery after IHDs. Although substantial preclinical animal studies using a variety of stem/progenitor cells have shown promising results, there is a tremendous degree of skepticism in the clinical community as many stem cell trials do not confer any beneficial effects. How to accelerate stem cell-based therapy toward successful clinical application attracts considerate attention. However, many important issues need to be fully addressed. In this review, we have described and compared the effects of different types of stem cells with their dose, delivery route and timing that have been routinely tested in recent preclinical and clinical findings. We have also discussed the potential mechanisms of action of stem cells, and explored the role and underlying regulatory components of stem cell-derived secretomes/exosomes in myocardial repair. Furthermore, we have critically reviewed the different strategies for optimizing both donor stem cells and the target cardiac microenvironments to enhance the engraftment and efficacy of stem cells, highlighting their clinical translatability and potential limitation. This article is protected by copyright. All rights reserved.

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