Abstract
Cellular cardiomyoplasty has been proposed as a promising therapeutic strategy for chronic heart failure. Previous studies focused on structural changes in cardiomyocytes to explain the potential benefits for contractile function. However, limited information is available about the cardiac matrix remodeling following cell transplantation in dilated cardiomyopathy (DCM). Here, we established a new animal model of intracoronary bone marrow mononuclear cells (BMMNCs) transplantation to explore extracellular matrix remodeling in adriamycin-induced cardiomyopathic rabbits. In vivo studies demonstrated that BMMNCs transplantation can dramatically delay the progress of collagen metabolism and decrease myocardial collagen volume fraction. The beneficial effects were mediated by attenuating stress-generated over-expression of matrix metalloproteinases (MMPs) in ventricular remodeling. Improved cardiac function may be contributed in part by stem-associated inhibition of extracellular matrix remodeling.
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Acknowledgments
We gratefully acknowledge Dr. Ying Shan for her editorial suggestions for the article. This study was supported in part by the 11th Five-year National Science Project on Chronic Heart Failure in China (2006BAI01A04).
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Bo Jin and Xin-Ping Luo have contributed equally to this study.
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Jin, B., Luo, XP., Ni, HC. et al. Cardiac matrix remodeling following intracoronary cell transplantation in dilated cardiomyopathic rabbits. Mol Biol Rep 37, 3037–3042 (2010). https://doi.org/10.1007/s11033-009-9874-y
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DOI: https://doi.org/10.1007/s11033-009-9874-y