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pubmed:abstractText |
Nonrheumatic aortic stenosis (NAS) is considered to be a degenerative process characterized by valve thickening, fibrocalcific masses, collagen disarray, and an inflammatory infiltrate. The matrix metalloproteinases (MMPs) are a family of zinc- and calcium-dependent enzymes produced by inflammatory cells that are capable of degrading collagen, elastin, and proteoglycans. This study sought to test the hypothesis that MMPs are involved in the pathogenesis of NAS.
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