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Cardiac myocytes, Cell-ECM communication, Extracellular matrix, Fibroblasts, Myocardial infarction, Proteomics

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The extracellular matrix (ECM) provides structural support by serving as a scaffold for cells, and as such the ECM maintains normal tissue homeostasis and mediates the repair response following injury. In response to myocardial infarction (MI), ECM expression is generally upregulated in the left ventricle (LV), which regulates LV remodeling by modulating scar formation. The ECM directly affects scar formation by regulating growth factor release and cell adhesion and indirectly affects scar formation by regulating the inflammatory, angiogenic, and fibroblast responses. This review summarizes the current literature on ECM expression patterns and fibroblast mechanisms in the myocardium, focusing on the ECM response to MI. In addition, we discuss future research areas that are needed to better understand the molecular mechanisms of ECM action, both in general and as a means to optimize infarct healing.

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Journal of Cardiovascular Translational Research, v. 5, issue 6, p. 848-857

This is a post-peer-review, pre-copyedit version of an article published in Journal of Cardiovascular Translational Research. The final authenticated version is available online at: