A Review of in vitro Platforms for Understanding Cardiomyocyte Mechanobiology

Ian L. Chin, Livia Hool, Yu Suk Choi

Research output: Contribution to journalReview article

Abstract

Mechanobiology-a cell's interaction with its physical environment-can influence a myriad of cellular processes including how cells migrate, differentiate and proliferate. In many diseases, remodeling of the extracellular matrix (ECM) is observed such as tissue stiffening in rigid scar formation after myocardial infarct. Utilizing knowledge of cell mechanobiology in relation to ECM remodeling during pathogenesis, elucidating the role of the ECM in the progression-and perhaps regression-of disease is a primary focus of the field. Although the importance of mechanical signaling in the cardiac cell is well-appreciated, our understanding of how these signals are sensed and transduced by cardiomyocytes is limited. To overcome this limitation, recently developed tools and resources have provided exciting opportunities to further our understandings by better recapitulating pathological spatiotemporal ECM stiffness changes in an in vitro setting. In this review, we provide an overview of a conventional model of mechanotransduction and present understandings of cardiomyocyte mechanobiology, followed by a review of emerging tools and resources that can be used to expand our knowledge of cardiomyocyte mechanobiology toward more clinically relevant applications.

Original languageEnglish
Article number133
Number of pages10
JournalFrontiers in Bioengineering and Biotechnology
Volume7
DOIs
Publication statusPublished - 5 Jun 2019

Cite this

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title = "A Review of in vitro Platforms for Understanding Cardiomyocyte Mechanobiology",
abstract = "Mechanobiology-a cell's interaction with its physical environment-can influence a myriad of cellular processes including how cells migrate, differentiate and proliferate. In many diseases, remodeling of the extracellular matrix (ECM) is observed such as tissue stiffening in rigid scar formation after myocardial infarct. Utilizing knowledge of cell mechanobiology in relation to ECM remodeling during pathogenesis, elucidating the role of the ECM in the progression-and perhaps regression-of disease is a primary focus of the field. Although the importance of mechanical signaling in the cardiac cell is well-appreciated, our understanding of how these signals are sensed and transduced by cardiomyocytes is limited. To overcome this limitation, recently developed tools and resources have provided exciting opportunities to further our understandings by better recapitulating pathological spatiotemporal ECM stiffness changes in an in vitro setting. In this review, we provide an overview of a conventional model of mechanotransduction and present understandings of cardiomyocyte mechanobiology, followed by a review of emerging tools and resources that can be used to expand our knowledge of cardiomyocyte mechanobiology toward more clinically relevant applications.",
keywords = "heart disease, biomaterials, hydrogels, cardiovascular disease, mechanosensation, elasticity, biophysical environment, extracellular matrix (ECM), CELL DUROTAXIS DEPENDS, EXTRACELLULAR-MATRIX, SUBSTRATE STIFFNESS, ALPHA-ACTININ, FUNCTIONAL MATURATION, MYOCARDIAL-INFARCTION, HYDROGELS, HEART, ELASTICITY, MECHANOTRANSDUCTION",
author = "Chin, {Ian L.} and Livia Hool and Choi, {Yu Suk}",
year = "2019",
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language = "English",
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journal = "Frontiers in Bioengineering and Biotechnology",
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A Review of in vitro Platforms for Understanding Cardiomyocyte Mechanobiology. / Chin, Ian L.; Hool, Livia; Choi, Yu Suk.

In: Frontiers in Bioengineering and Biotechnology, Vol. 7, 133, 05.06.2019.

Research output: Contribution to journalReview article

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N2 - Mechanobiology-a cell's interaction with its physical environment-can influence a myriad of cellular processes including how cells migrate, differentiate and proliferate. In many diseases, remodeling of the extracellular matrix (ECM) is observed such as tissue stiffening in rigid scar formation after myocardial infarct. Utilizing knowledge of cell mechanobiology in relation to ECM remodeling during pathogenesis, elucidating the role of the ECM in the progression-and perhaps regression-of disease is a primary focus of the field. Although the importance of mechanical signaling in the cardiac cell is well-appreciated, our understanding of how these signals are sensed and transduced by cardiomyocytes is limited. To overcome this limitation, recently developed tools and resources have provided exciting opportunities to further our understandings by better recapitulating pathological spatiotemporal ECM stiffness changes in an in vitro setting. In this review, we provide an overview of a conventional model of mechanotransduction and present understandings of cardiomyocyte mechanobiology, followed by a review of emerging tools and resources that can be used to expand our knowledge of cardiomyocyte mechanobiology toward more clinically relevant applications.

AB - Mechanobiology-a cell's interaction with its physical environment-can influence a myriad of cellular processes including how cells migrate, differentiate and proliferate. In many diseases, remodeling of the extracellular matrix (ECM) is observed such as tissue stiffening in rigid scar formation after myocardial infarct. Utilizing knowledge of cell mechanobiology in relation to ECM remodeling during pathogenesis, elucidating the role of the ECM in the progression-and perhaps regression-of disease is a primary focus of the field. Although the importance of mechanical signaling in the cardiac cell is well-appreciated, our understanding of how these signals are sensed and transduced by cardiomyocytes is limited. To overcome this limitation, recently developed tools and resources have provided exciting opportunities to further our understandings by better recapitulating pathological spatiotemporal ECM stiffness changes in an in vitro setting. In this review, we provide an overview of a conventional model of mechanotransduction and present understandings of cardiomyocyte mechanobiology, followed by a review of emerging tools and resources that can be used to expand our knowledge of cardiomyocyte mechanobiology toward more clinically relevant applications.

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KW - hydrogels

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KW - SUBSTRATE STIFFNESS

KW - ALPHA-ACTININ

KW - FUNCTIONAL MATURATION

KW - MYOCARDIAL-INFARCTION

KW - HYDROGELS

KW - HEART

KW - ELASTICITY

KW - MECHANOTRANSDUCTION

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