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Dadun > Depósito Académico > CIMA (Centro de Investigación Médica Aplicada) > Área de Ciencias Cardiovasculares > Cardiopatía hipertensiva > DA - CIMA - Cardiovasculares - Cardiopatía hipertensiva - Artículos de Revista >

Role of matrix metalloproteinases in hypertension-associated cardiac fibrosis
Authors: Lopez, B. (Begoña)
Gonzalez, A. (Arantxa)
Diez, J. (Javier)
Keywords: Arterial hypertension
Heart failure
Hypertensive heart disease
Matrix metalloproteinases
Issue Date: 2004
Publisher: Lippincott, Williams & Wilkins
Publisher version:
ISSN: 1062-4821
Citation: Lopez B, Gonzalez A, Diez J. Role of matrix metalloproteinases in hypertension-associated cardiac fibrosis. Curr Opin Nephrol Hypertens 2004 Mar;13(2):197-204.
PURPOSE OF REVIEW: The potential contribution of alterations in matrix metalloproteinase activity to the development of myocardial fibrosis in hypertensive heart disease is reviewed. RECENT FINDINGS: A number of experimental and clinical studies provide information on alterations in the balance between matrix metalloproteinase-1 or collagenase and tissue inhibitor of matrix metalloproteinases-1, which result in depressed proteolytic activity of the enzyme in animals and humans with hypertensive heart disease. While some recent data point to a genetic origin of such an imbalance, other findings suggest that depressed collagenase activity may contribute to disturbances of cardiac function via facilitation of myocardial fibrosis. On the other hand, emerging information is providing the basis for the notion that other matrix metalloproteinases, namely gelatinases, may participate in the process of myocardial fibrosis through stimulation of fibrillar collagen synthesis. Some fragmented matrix peptides or matrikines may be the mediators of the profibrotic action of these matrix metalloproteinases. SUMMARY: The matrix metalloproteinases represent an important biological system within the myocardium designed to maintain the complex and dynamic microenvironment of the extracellular matrix. Improved understanding of how this system is dysregulated in hypertensive heart disease will probably provide new insights into, and strategies for, heart failure.
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