Construction of mouse-embryonic-cell-derived 3D pacemaker tissues by layer-by-layer nanofilm coating

Yuto Amano, Takuya Igarashi, Akihiro Nishiguchi, Michiya Matsusaki, Yukihiro Saito, Kazufumi Nakamura, Hiroshi Itoh, Mitsuru Akashi

Research output: Contribution to journalArticle

Abstract

For the treatment of cardiac arrhythmia, electronic pacemakers are often employed. However, they have issues such as bio-incompatibility and battery limitations. Recently, the use of cells expressing hyperpolarization-activated cyclic nucleotide-gated 4 (HCN4) channels for use as pacemaker cells instead of electronic pacemakers has attracted increasing attention. However, the cell transplantation treatment was not sufficiently effective because of the low engraftment rate of the transplanted cells and the risk of inflammatory reactions. Here, in order to overcome these issues, we constructed 3D-pacemaker tissues composed of mouse-embryonic- cell-derived cardiomyocytes (mESC-CMs) in which the HCN4 gene had been introduced by the cell accumulation technique. The obtained tissues beat faster than control tissues and beats per minute (BPM) increased clearly with tissue thickness. This is the first report suggesting the relation between BPM and tissue thickness. Moreover, the pacemaker tissue could control the beating of the patched tissue.

Original languageEnglish
Pages (from-to)466-471
Number of pages6
JournalChemNanoMat
Volume2
Issue number5
DOIs
Publication statusPublished - May 1 2016

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Pacemakers
Tissue
Coatings
Cyclic Nucleotides
Genes
Cells

Keywords

  • Biomaterials
  • Cell adhesion
  • Layer-by-layer assembly
  • Thin films
  • Tissue engineering

ASJC Scopus subject areas

  • Biomaterials
  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Materials Chemistry

Cite this

Amano, Y., Igarashi, T., Nishiguchi, A., Matsusaki, M., Saito, Y., Nakamura, K., ... Akashi, M. (2016). Construction of mouse-embryonic-cell-derived 3D pacemaker tissues by layer-by-layer nanofilm coating. ChemNanoMat, 2(5), 466-471. https://doi.org/10.1002/cnma.201600031

Construction of mouse-embryonic-cell-derived 3D pacemaker tissues by layer-by-layer nanofilm coating. / Amano, Yuto; Igarashi, Takuya; Nishiguchi, Akihiro; Matsusaki, Michiya; Saito, Yukihiro; Nakamura, Kazufumi; Itoh, Hiroshi; Akashi, Mitsuru.

In: ChemNanoMat, Vol. 2, No. 5, 01.05.2016, p. 466-471.

Research output: Contribution to journalArticle

Amano, Yuto ; Igarashi, Takuya ; Nishiguchi, Akihiro ; Matsusaki, Michiya ; Saito, Yukihiro ; Nakamura, Kazufumi ; Itoh, Hiroshi ; Akashi, Mitsuru. / Construction of mouse-embryonic-cell-derived 3D pacemaker tissues by layer-by-layer nanofilm coating. In: ChemNanoMat. 2016 ; Vol. 2, No. 5. pp. 466-471.
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