Mechanotransduction Mechanisms in Mitral Valve Physiology and Disease Pathogenesis

The mitral valve exists in a mechanically demanding environment, with the stress of each cardiac cycle deforming and shearing the native fibroblasts and endothelial cells. Cells and their extracellular matrix exhibit a dynamic reciprocity in the growth and formation of tissue through mechanotransduc...

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Main Authors: Leah A. Pagnozzi, Jonathan T. Butcher
Format: Article
Language:English
Published: Frontiers Media S.A. 2017-12-01
Series:Frontiers in Cardiovascular Medicine
Subjects:
Online Access:http://journal.frontiersin.org/article/10.3389/fcvm.2017.00083/full
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author Leah A. Pagnozzi
Jonathan T. Butcher
author_facet Leah A. Pagnozzi
Jonathan T. Butcher
author_sort Leah A. Pagnozzi
collection DOAJ
description The mitral valve exists in a mechanically demanding environment, with the stress of each cardiac cycle deforming and shearing the native fibroblasts and endothelial cells. Cells and their extracellular matrix exhibit a dynamic reciprocity in the growth and formation of tissue through mechanotransduction and continuously adapt to physical cues in their environment through gene, protein, and cytokine expression. Valve disease is the most common congenital heart defect with watchful waiting and valve replacement surgery the only treatment option. Mitral valve disease (MVD) has been linked to a variety of mechano-active genes ranging from extracellular components, mechanotransductive elements, and cytoplasmic and nuclear transcription factors. Specialized cell receptors, such as adherens junctions, cadherins, integrins, primary cilia, ion channels, caveolae, and the glycocalyx, convert mechanical cues into biochemical responses via a complex of mechanoresponsive elements, shared signaling modalities, and integrated frameworks. Understanding mechanosensing and transduction in mitral valve-specific cells may allow us to discover unique signal transduction pathways between cells and their environment, leading to cell or tissue specific mechanically targeted therapeutics for MVD.
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spelling doaj.art-ed42ee52db384adb9c8c25702c27b5452022-12-21T18:37:01ZengFrontiers Media S.A.Frontiers in Cardiovascular Medicine2297-055X2017-12-01410.3389/fcvm.2017.00083320370Mechanotransduction Mechanisms in Mitral Valve Physiology and Disease PathogenesisLeah A. Pagnozzi0Jonathan T. Butcher1Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, United StatesMeinig School of Biomedical Engineering, Cornell University, Ithaca, NY, United StatesThe mitral valve exists in a mechanically demanding environment, with the stress of each cardiac cycle deforming and shearing the native fibroblasts and endothelial cells. Cells and their extracellular matrix exhibit a dynamic reciprocity in the growth and formation of tissue through mechanotransduction and continuously adapt to physical cues in their environment through gene, protein, and cytokine expression. Valve disease is the most common congenital heart defect with watchful waiting and valve replacement surgery the only treatment option. Mitral valve disease (MVD) has been linked to a variety of mechano-active genes ranging from extracellular components, mechanotransductive elements, and cytoplasmic and nuclear transcription factors. Specialized cell receptors, such as adherens junctions, cadherins, integrins, primary cilia, ion channels, caveolae, and the glycocalyx, convert mechanical cues into biochemical responses via a complex of mechanoresponsive elements, shared signaling modalities, and integrated frameworks. Understanding mechanosensing and transduction in mitral valve-specific cells may allow us to discover unique signal transduction pathways between cells and their environment, leading to cell or tissue specific mechanically targeted therapeutics for MVD.http://journal.frontiersin.org/article/10.3389/fcvm.2017.00083/fullmitral valvevalve diseasemechanotransductionpathogenesisbiomechanics
spellingShingle Leah A. Pagnozzi
Jonathan T. Butcher
Mechanotransduction Mechanisms in Mitral Valve Physiology and Disease Pathogenesis
Frontiers in Cardiovascular Medicine
mitral valve
valve disease
mechanotransduction
pathogenesis
biomechanics
title Mechanotransduction Mechanisms in Mitral Valve Physiology and Disease Pathogenesis
title_full Mechanotransduction Mechanisms in Mitral Valve Physiology and Disease Pathogenesis
title_fullStr Mechanotransduction Mechanisms in Mitral Valve Physiology and Disease Pathogenesis
title_full_unstemmed Mechanotransduction Mechanisms in Mitral Valve Physiology and Disease Pathogenesis
title_short Mechanotransduction Mechanisms in Mitral Valve Physiology and Disease Pathogenesis
title_sort mechanotransduction mechanisms in mitral valve physiology and disease pathogenesis
topic mitral valve
valve disease
mechanotransduction
pathogenesis
biomechanics
url http://journal.frontiersin.org/article/10.3389/fcvm.2017.00083/full
work_keys_str_mv AT leahapagnozzi mechanotransductionmechanismsinmitralvalvephysiologyanddiseasepathogenesis
AT jonathantbutcher mechanotransductionmechanismsinmitralvalvephysiologyanddiseasepathogenesis