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Cyclic mechanical strain promotes transforming-growth-factor-beta I-mediated cardiomyogenic marker expression in bone-marrow-derived mesenchymal stem cells in vitro : Cyclic mechanical strain promotes transforming-growth-factor-β1- mediated cardiomyogenic marker expression in bone-marrow-derived mesenchymal stem cells in vitro

Cited 18 time in Web of Science Cited 22 time in Scopus
Authors

Bhang, Suk Ho; Gwak, So-Jung; Lee, Tae-Jin; Kim, Sang-Soo; Park, Ho Hyun; Park, Moon Hyang; Lee, Dae-Hee; Lee, Soo-Hong; Kim, Byung-Soo

Issue Date
2010-04
Publisher
WILEY
Citation
BIOTECHNOLOGY AND APPLIED BIOCHEMISTRY, Vol.55 No.4, pp.191-197
Abstract
Cardiomyocytes in the heart reside in mechanically dynamic environments, such as those subject to cyclic mechanical strain. TGF-beta I (transforming growth factor-beta I) stimulates cardiomyogenic marker expression of BMMSCs (bone-marrow-derived mesenchymal stem cells). In the present study, we tested the hypothesis that cyclic mechanical strain promotes TGF-beta I-mediated cardiomyogenic marker expression in BMMSCs in vitro. The mRNA expression of cardiac-specific genes was more up-regulated in BMMSCs cultured with a TGF-beta I supplement and subjected to cyclic strain for I week than in BMMSCs cultured statically with a TGF-beta I supplement. Immunocytochemical analyses and flow cytometric analysis showed that the proportions of cardiac troponin-I-positive cells and cardiac MHC (myosin heavy chain)-positive cells and the proportions of cells expressing tropomyosin respectively were increased to a greater extent by TGF-beta I with cyclic strain than by TGF-beta I alone. These results showed that cyclic strain promotes TGF-beta I mediated cardiomyogenic marker expression in BMMSCs in vitro.
ISSN
0885-4513
URI
https://hdl.handle.net/10371/204356
DOI
https://doi.org/10.1042/BA20090307
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  • College of Engineering
  • School of Chemical and Biological Engineering
Research Area biomaterials, nanomedicine, regenerative medicine

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