Differentiation of embryonic stem cells into cardiomyocytes in a compliant microfluidic system

Chen Rei Wan, Seok Chung, Roger D. Kamm

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

The differentiation process of murine embryonic stem cells into cardiomyocytes was investigated with a compliant microfluidic platform which allows for versatile cell seeding arrangements, optical observation access, long-term cell viability, and programmable uniaxial cyclic stretch. Specifically, two environmental cues were examined with this platform-culture dimensions and uniaxial cyclic stretch. First, the cardiomyogenic differentiation process, assessed by a GFP reporter driven by the α-MHC promoter, was enhanced in microfluidic devices (μFDs) compared with conventional well-plates. The addition of BMP-2 neutralizing antibody reduced the enhancement observed in the μFDs and the addition of exogenous BMP-2 augmented the cardiomyogenic differentiation in well plates. Second, 24 h of uniaxial cyclic stretch at 1 Hz and 10% strain on day 9 of differentiation was found to have a negative impact on cardiomyogenic differentiation. This microfluidic platform builds upon an existing design and extends its capability to test cellular responses to mechanical strain. It provides capabilities not found in other systems for studying differentiation, such as seeding embryoid bodies in 2D or 3D in combination with cyclic strain. This study demonstrates that the microfluidic system contributes to enhanced cardiomyogenic differentiation and may be a superior platform compared with conventional well plates. In addition to studying the effect of cyclic stretch on cardiomyogenic differentiation, this compliant platform can also be applied to investigate other biological mechanisms.

Original languageEnglish
Pages (from-to)1840-1847
Number of pages8
JournalAnnals of Biomedical Engineering
Volume39
Issue number6
DOIs
Publication statusPublished - 2011 Jun 1

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Microfluidics
Embryonic Stem Cells
Stem cells
Cardiac Myocytes
Lab-On-A-Chip Devices
Embryoid Bodies
Neutralizing Antibodies
Cues
Cell Survival
Observation
Antibodies
Cells

Keywords

  • Bone morphogenetic protein 2
  • Cardiogenesis
  • Embryoid bodies
  • Stem cell therapy
  • Uniaxial cyclic stretch

ASJC Scopus subject areas

  • Biomedical Engineering

Cite this

Differentiation of embryonic stem cells into cardiomyocytes in a compliant microfluidic system. / Wan, Chen Rei; Chung, Seok; Kamm, Roger D.

In: Annals of Biomedical Engineering, Vol. 39, No. 6, 01.06.2011, p. 1840-1847.

Research output: Contribution to journalArticle

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