Abstract

Introduction: Aging may impair healing and promote adverse remodeling after reperfused myocardial infarction (RMI) whereas healing-specific proteins such as secretory leucocyte protease inhibitor (SLPI), secreted protein acidic and rich in cysteine (SPARC) and osteopontin (OPN) may improve healing and remodeling after RMI. Matrix metalloproteinase (MMP)–9 and tissue inhibitor of MMP (TIMP)–3 imbalance contributes to remodeling and dysfunction after RMI. We sought to determine whether aging upregulates SLPI, SPARC, OPN, MMP–9 and cytokines tumor necrosis factor (TNF)-α and transforming growth factor (TGF)-β1 in acute RMI.

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