Stretchable Piezoelectric Substrate Providing Pulsatile Mechanoelectric Cues for Cardiomyogenic Differentiation of Mesenchymal Stem Cells

Jeong Kee Yoon, Tae Il Lee, Suk Ho Bhang, Jung Youn Shin, Jae Min Myoung, Byung Soo Kim

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Ex vivo induction of cardiomyogenic differentiation of mesenchymal stem cells (MSCs) before implantation would potentiate therapeutic efficacy of stem cell therapies for ischemic heart diseases because MSCs rarely undergo cardiomyogenic differentiation following implantation. In cardiac microenvironments, electric pulse and cyclic mechanical strain are sequentially produced. However, no study has applied the pulsatile mechanoelectric cues (PMEC) to stimulate cardiomyogenic differentiation of MSCs ex vivo. In this study, we developed a stretchable piezoelectric substrate (SPS) that can provide PMEC to human MSCs (hMSCs) for cardiomyogenic differentiation ex vivo. Our data showed that hMSCs subjected to PMEC by SPS underwent promoted cardiac phenotype development: cell alignment and the expression of cardiac markers (i.e., cardiac transcription factors, structural proteins, ion channel proteins, and gap junction proteins). The enhanced cardiac phenotype development was mediated by the upregulation of cardiomyogenic differentiation-related autocrine factor expression, focal adhesion kinase, and extracellular signal-regulated kinases signaling pathways. Thus, SPS providing electrical and mechanical regulation of stem cells may be utilized to potentiate hMSC therapies for myocardial infarction and provide a tool for the study of stem cell biology.

Original languageEnglish
Pages (from-to)22101-22111
Number of pages11
JournalACS Applied Materials and Interfaces
Volume9
Issue number27
DOIs
Publication statusPublished - 2017 Jul 12

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Stem cells
Substrates
Proteins
Cytology
Focal Adhesion Protein-Tyrosine Kinases
Connexins
Transcription factors
Extracellular Signal-Regulated MAP Kinases
Ion Channels
Transcription Factors
Adhesion
Ions

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

Cite this

Yoon, Jeong Kee ; Lee, Tae Il ; Bhang, Suk Ho ; Shin, Jung Youn ; Myoung, Jae Min ; Kim, Byung Soo. / Stretchable Piezoelectric Substrate Providing Pulsatile Mechanoelectric Cues for Cardiomyogenic Differentiation of Mesenchymal Stem Cells. In: ACS Applied Materials and Interfaces. 2017 ; Vol. 9, No. 27. pp. 22101-22111.
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Stretchable Piezoelectric Substrate Providing Pulsatile Mechanoelectric Cues for Cardiomyogenic Differentiation of Mesenchymal Stem Cells. / Yoon, Jeong Kee; Lee, Tae Il; Bhang, Suk Ho; Shin, Jung Youn; Myoung, Jae Min; Kim, Byung Soo.

In: ACS Applied Materials and Interfaces, Vol. 9, No. 27, 12.07.2017, p. 22101-22111.

Research output: Contribution to journalArticle

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AU - Myoung, Jae Min

AU - Kim, Byung Soo

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