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Proteomics Clin Appl. 2013 Aug;7(7-8):516-27. doi: 10.1002/prca.201200100. Epub 2013 Jul 8.

Using proteomics to uncover extracellular matrix interactions during cardiac remodeling.

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1
San Antonio Cardiovascular Proteomics Center, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA.

Abstract

The left ventricle (LV) responds to a myocardial infarction with an orchestrated sequence of events that result in fundamental changes to both the structure and function of the myocardium. This collection of responses is termed as LV remodeling. Myocardial ischemia resulting in necrosis is the initiating event that culminates in the formation of an extracellular matrix (ECM) rich infarct scar that replaces necrotic myocytes. While the cardiomyocyte is the major cell type that responds to ischemia, infiltrating leukocytes and cardiac fibroblasts coordinate the subsequent wound healing response. The matrix metalloproteinase family of enzymes regulates the inflammatory and ECM responses that modulate scar formation. Matridomics is the proteomic evaluation focused on ECM, while degradomics is the proteomic evaluation of proteases as well as their inhibitors and substrates. This review will summarize the use of proteomics to better understand matrix metalloproteinase roles in post myocardial infarction LV remodeling.

KEYWORDS:

Degradomics; Matridomics; Matrix metalloproteinases; Myocardial infarction

PMID:
23532927
PMCID:
PMC3815558
DOI:
10.1002/prca.201200100
[Indexed for MEDLINE]
Free PMC Article
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