Community effect of cardiomyocytes in beating rhythms is determined by stable cells

Tatsuya Hayashi, Tetsuji Tokihiro, Hiroki Kurihara, Kenji Yasuda

    Research output: Contribution to journalArticle

    2 Citations (Scopus)

    Abstract

    The community effect of cardiomyocytes was investigated in silico by the change in number and features of cells, as well as configurations of networks. The theoretical model was based on experimental data and accurately reproduced recently published experimental results regarding coupled cultured cardiomyocytes. We showed that the synchronised beating of two coupled cells was tuned not to the cell with a faster beating rate, but to the cell with a more stable rhythm. In a network of cardiomyocytes, a cell with low fluctuation, but not a hight frequency, became a pacemaker and stabilised the beating rhythm. Fluctuation in beating rapidly decreased with an increase in the number of cells (N), almost irrespective of the configuration of the network, and a cell comes to have natural and stable beating rhythms, even for N of approximately 10. The universality of this community effect lies in the fluctuation-dissipation theorem in statistical mechanics.

    Original languageEnglish
    Article number15450
    JournalScientific Reports
    Volume7
    Issue number1
    DOIs
    Publication statusPublished - 2017 Dec 1

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    rhythm
    cells
    configurations
    statistical mechanics
    dissipation
    theorems

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    Community effect of cardiomyocytes in beating rhythms is determined by stable cells. / Hayashi, Tatsuya; Tokihiro, Tetsuji; Kurihara, Hiroki; Yasuda, Kenji.

    In: Scientific Reports, Vol. 7, No. 1, 15450, 01.12.2017.

    Research output: Contribution to journalArticle

    Hayashi, Tatsuya ; Tokihiro, Tetsuji ; Kurihara, Hiroki ; Yasuda, Kenji. / Community effect of cardiomyocytes in beating rhythms is determined by stable cells. In: Scientific Reports. 2017 ; Vol. 7, No. 1.
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