Emerging pathogenic mechanisms in human myxomatous mitral valve: lessons from past and novel data. | |
MedLine Citation:
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PMID: 23261354 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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INTRODUCTION: Myxomatous mitral valve is one of the most common heart valves diseases in human and has been well characterized at a functional and morphological level. Diseased valves are thickened as a result of extracellular matrix remodeling and proteoglycans accumulation accompanied by the disruption of the stratified structures of the leaflets. METHODS: Global transcriptomic analysis was used as a start-up to investigate potential pathogenic mechanisms involved in the development of the human idiopathic myxomatous mitral valve, which have been elusive for many years. RESULTS: These prospective analyses have highlighted the potential role of apparently unrelated molecules in myxomatous mitral valve such as members of the transforming growth factor-β superfamily, aggrecanases of the "a disintegrin and metalloprotease with thrombospondin repeats I" family, and a weakening of the protection against oxidative stress. We have integrated, in this review, recent transcriptomic data from our laboratory [A. Hulin, C.F. Deroanne, C.A. Lambert, B. Dumont, V. Castronovo, J.O. Defraigne, et al. Metallothionein-dependent up-regulation of TGF-beta2 participates in the remodelling of the myxomatous mitral valve. Cardiovasc Res 2012;93:480-489] and from the publication of Sainger et al. [R. Sainger, J.B. Grau, E. Branchetti, P. Poggio, W.F. Seefried, B.C. Field, et al. Human myxomatous mitral valve prolapse: role of bone morphogenetic protein 4 in valvular interstitial cell activation. J Cell Physiol 2012;227:2595-2604] with existing literature and information issued from the study of monogenic syndromes and animal models. CONCLUSION: Understanding cellular alterations and molecular mechanisms involved in myxomatous mitral valve should help at identifying relevant targets for future effective pharmacological therapy to prevent or reduce its progression. |
Authors:
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Alexia Hulin; Christophe Deroanne; Charles Lambert; Jean-Olivier Defraigne; Betty Nusgens; Marc Radermecker; Alain Colige |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-12-20 |
Journal Detail:
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Title: Cardiovascular pathology : the official journal of the Society for Cardiovascular Pathology Volume: - ISSN: 1879-1336 ISO Abbreviation: Cardiovasc. Pathol. Publication Date: 2012 Dec |
Date Detail:
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Created Date: 2012-12-24 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9212060 Medline TA: Cardiovasc Pathol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012 Elsevier Inc. All rights reserved. |
Affiliation:
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Laboratory of Connective Tissues Biology, GIGA, University of Liège, Liège, Belgium. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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