Activation of MMP-2 as a key event in oxidative stress injury to the heart

Oxygen and nitrogen derived free radicals play a crucial role in both cardiac physiology and pathology. In this review we discuss how these molecules interact in the cardiac cell, some aspects of their physiological importance, and their pathological effects with a special focus on the activation of...

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Veröffentlicht in:	Frontiers in bioscience 2009-01, Vol.14 (2), p.699-716
Hauptverfasser:	Ali, Mohammad A M, Schulz, Richard
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Enzyme Activation Free Radicals Humans Matrix Metalloproteinase 2 - metabolism Myocardium - enzymology Myocardium - metabolism Nitrogen - metabolism Oxidative Stress Reactive Oxygen Species - metabolism
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creator	Ali, Mohammad A M Schulz, Richard
description	Oxygen and nitrogen derived free radicals play a crucial role in both cardiac physiology and pathology. In this review we discuss how these molecules interact in the cardiac cell, some aspects of their physiological importance, and their pathological effects with a special focus on the activation of matrix metalloproteinases (MMPs) as an early event in oxidative stress damage. MMPs are a family of zinc-dependent endopeptidases which play an active role in regulating the extracellular matrix. Recently, however, it has been recognized that MMPs may also rapidly act on intracellular substrates on a minutes timescale. This review will consider some recent developments in the intracellular localization and novel substrates of MMP-2 within the heart. In addition, we will discuss MMP inhibition as a novel therapeutic strategy to prevent oxidative stress damage to the heart.
doi_str_mv	10.2741/3274
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subjects	Animals Enzyme Activation Free Radicals Humans Matrix Metalloproteinase 2 - metabolism Myocardium - enzymology Myocardium - metabolism Nitrogen - metabolism Oxidative Stress Reactive Oxygen Species - metabolism
title	Activation of MMP-2 as a key event in oxidative stress injury to the heart
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