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An assessment of myotube morphology, matrix deformation and myogenic mRNA expression in custom-built and commercially available engineered muscle chamber configurations

Mudera, C; Jones, J; Player, D; (2018) An assessment of myotube morphology, matrix deformation and myogenic mRNA expression in custom-built and commercially available engineered muscle chamber configurations. Frontiers in Physiology , 9 , Article 483. 10.3389/fphys.2018.00483. Green open access

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Abstract

There are several three-dimensional (3D) skeletal muscle (SkM) tissue engineered models reported in the literature. 3D SkM tissue engineering (TE) aims to recapitulate the structure and function of native (in vivo) tissue, within an in vitro environment. This requires the differentiation of myoblasts into aligned multinucleated myotubes surrounded by a biologically representative extracellular matrix (ECM). In the present work, a new commercially available 3D SkM TE culture chamber manufactured from polyether ether ketone (PEEK) that facilitates suitable development of these myotubes is presented. To assess the outcomes of the myotubes within these constructs, morphological, gene expression, and ECM remodeling parameters were compared against a previously published custom-built model. No significant differences were observed in the morphological and gene expression measures between the newly introduced and the established construct configuration, suggesting biological reproducibility irrespective of manufacturing process. However, TE SkM fabricated using the commercially available PEEK chambers displayed reduced variability in both construct attachment and matrix deformation, likely due to increased reproducibility within the manufacturing process. The mechanical differences between systems may also have contributed to such differences, however, investigation of these variables was beyond the scope of the investigation. Though more expensive than the custombuilt models, these PEEK chambers are also suitable for multiple use after autoclaving. As such this would support its use over the previously published handmade culture chamber system, particularly when seeking to develop higher-throughput systems or when experimental cost is not a factor.

Type: Article
Title: An assessment of myotube morphology, matrix deformation and myogenic mRNA expression in custom-built and commercially available engineered muscle chamber configurations
Open access status: An open access version is available from UCL Discovery
DOI: 10.3389/fphys.2018.00483
Publisher version: http://doi.org/10.3389/fphys.2018.00483
Language: English
Additional information: © 2018 Jones, Player, Martin, Capel, Lewis and Mudera. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
Keywords: Skeletal muscle, tissue engineering, C2C12, myotubes, commercially available muscle chamber, custom-built muscle chamber
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Surgery and Interventional Sci
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Surgery and Interventional Sci > Department of Ortho and MSK Science
URI: https://discovery.ucl.ac.uk/id/eprint/10048055
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