Cited by 90Tissue Engineering and Regenerative Medicine3D Printing in Biomedical ResearchCellular Mechanics and Interactions

Contractile three-dimensional bioengineered heart muscle for myocardial regeneration

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Huang, Yen‐Chih, Khait, Luda, Birla, Ravi K.·2007·Journal of Biomedical Materials Research Part A

Abstract

Tissue engineered heart muscle may be able to provide a treatment modality for early stage congestive heart failure. In this study, we describe a new method to engineer functional 3‐dimensional heart muscle utilizing a biodegradable fibrin gel. Primary cardiac myocytes were isolated from hearts of 2‐ to 3‐day‐old rats and processed in one of the two ways. For the first method (layering approach), the cells were plated directly on the surface of a fibrin gel‐coated on polydimethylsiloxane (PDMS) surfaces. The cells were cultured in growth media and the contractile performance evaluated after formation of 3‐dimensional tissue constructs. For the second method (embedding approach), the cells were suspended with thrombin and plated on 35 mm tissue culture surfaces coated with PDMS. Fibrinogen was then added to the surface. Within 7 days after initial cell plating, a 3‐dimensional tissue construct of cells derived from primary heart tissue (termed bioengineered heart muscle, BEHM) resulted for both approaches. Histological evaluation showed the presence of uniformly distributed cardiac cells throughout the BEHM, both in longitudinal and cross sections. The stimulated active force of BEHMs formed using the layering approach was 835.5 ± 57.2 μN (N = 6) and 145.3 ± 44.9 μN (N = 6) using the embedding approach. The stimulated active force was dependent on the initial plating density. It was possible to maintain the contractile function of BEHM in culture for up to 2 months with daily medium changes. The BEHMs exhibited inotropy in response to external calcium and isoproterenol and could be electrically paced at frequencies of 1–7 Hz. We describe a novel method to engineer contractile 3‐dimensional cardiac tissue construct with a fourfold increase specific force compared to our previous model. © 2006 Wiley Periodicals, Inc. J Biomed Mater Res, 2007

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  1. Carrier RL, Papadaki M, Rupnick M, Schoen FJ, Bursac N, Langer R, Freed LE, Vunjak-Novakovic G. Cardiac tissue engineering: Cell seeding, cultivation parameters, and tissue construct characterization. Biotechnol Bioeng 1999;64:580- 589.
  2. Dennis RG, Kosnik PE. Excitability and isometric contractile properties of mammalian skeletal muscle constructs engi- neered in vitro. In Vitro Cell Dev Biol Anim 2000;36:327-335.
  3. Endoh M, Blinks JR. Actions of sympathomimetic amines on the Ca 2þ transients and contractions of rabbit myocardium: Re- ciprocal changes in myofibrillar responsiveness to Ca 2þ medi- ated through a-and b-adrenoceptors. Circ Res 1988;62: 247-265.

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Authors
Huang, Y., Khait, L., & Birla, R. K.
Affiliations
University of Michigan (US)
Corresponding author
Birla, Ravi K.
Venue
Journal of Biomedical Materials Research Part A
Publisher
Wiley
Published
2007-01-18
Volume
80A
Issue
3
Pages
719-731
ISSN
  • 1549-3296 (ISSN-L)
  • 1552-4965
OpenAlex
W1964184143
Cited by
90
References
26
Citations by year
2024: 3 · 2023: 2 · 2021: 2 · 2020: 3 · 2018: 4 · 2017: 5 · 2016: 7 · 2015: 5 · 2014: 6 · 2013: 6 · 2012: 7
FWCI
7.46
Type
journal article
Language
en
Open access
Locations
  • Journal of Biomedical Materials Research Part A (publishedVersion)
  • PubMed (publishedVersion)
  • Deep Blue (University of Michigan) (submittedVersion)
Topics
  • Health Sciences › Medicine › Surgery › Tissue Engineering and Regenerative Medicine
  • Physical Sciences › Engineering › Biomedical Engineering › 3D Printing in Biomedical Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Cellular Mechanics and Interactions
Keywords
cardiac regeneration, fibrin gel, contractile function, plating density, inotropic effect, electrical pacing, isoproterenol, calcium response, congestive heart failure, biodegradable scaffolds
MeSH terms
Animals, Biocompatible Materials, Calcium, Cells, Cultured, Dimethylpolysiloxanes, Fibrin, Isoproterenol, Myocardial Contraction, Myocardium, Regeneration, Silicones, Thrombin, Tissue Engineering, Myocytes, Cardiac, Rats

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