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Polymers 2017, 9(11), 580; https://doi.org/10.3390/polym9110580

Matrix Topographical Cue-Mediated Myogenic Differentiation of Human Embryonic Stem Cell Derivatives

1
Department of Bioengineering, University of California, San Diego, CA 92521, USA
2
Soonchunhyang Institute of Medi-bio Science (SIMS), Soonchunhyang University, Cheonan-si, Chungcheongnam-do 31151, Korea
3
Department of Mechanical and Aerospace Engineering, University of California, San Diego, CA 92521, USA
4
Department of Biomedical Engineering, Mechanical Engineering and Materials Science and Orthopaedic Surgery, Duke University, Durham, NC 27708, USA
*
Author to whom correspondence should be addressed.
Received: 29 September 2017 / Revised: 24 October 2017 / Accepted: 30 October 2017 / Published: 5 November 2017
(This article belongs to the Special Issue Polymer Scaffolds for Biomedical Application)
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Abstract

Biomaterials varying in physical properties, chemical composition and biofunctionalities can be used as powerful tools to regulate skeletal muscle-specific cellular behaviors, including myogenic differentiation of progenitor cells. Biomaterials with defined topographical cues (e.g., patterned substrates) can mediate cellular alignment of progenitor cells and improve myogenic differentiation. In this study, we employed soft lithography techniques to create substrates with microtopographical cues and used these substrates to study the effect of matrix topographical cues on myogenic differentiation of human embryonic stem cell (hESC)-derived mesodermal progenitor cells expressing platelet-derived growth factor receptor alpha (PDGFRA). Our results show that the majority (>80%) of PDGFRA+ cells on micropatterned polydimethylsiloxane (PDMS) substrates were aligned along the direction of the microgrooves and underwent robust myogenic differentiation compared to those on non-patterned surfaces. Matrix topography-mediated alignment of the mononucleated cells promoted their fusion resulting in mainly (~86%–93%) multinucleated myotube formation. Furthermore, when implanted, the cells on the micropatterned substrates showed enhanced in vivo survival (>5–7 times) and engraftment (>4–6 times) in cardiotoxin-injured tibialis anterior (TA) muscles of NOD/SCID mice compared to cells cultured on corresponding non-patterned substrates. View Full-Text
Keywords: human embryonic stem cells; topographical cues; soft lithography; myogenesis; cellular alignment; multinucleated myotubes human embryonic stem cells; topographical cues; soft lithography; myogenesis; cellular alignment; multinucleated myotubes
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Hwang, Y.; Seo, T.; Hariri, S.; Choi, C.; Varghese, S. Matrix Topographical Cue-Mediated Myogenic Differentiation of Human Embryonic Stem Cell Derivatives. Polymers 2017, 9, 580.

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