Combinatorial activin receptor-like kinase/smad and basic fibroblast growth factor signals stimulate the differentiation of human embryonic stem cells into the cardiac lineage

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dc.contributor.authorJ Y Yook-
dc.contributor.authorMin Joung Kim-
dc.contributor.authorMyung Jin Son-
dc.contributor.authorS Lee-
dc.contributor.authorY Nam-
dc.contributor.authorY M Han-
dc.contributor.authorYee Sook Cho-
dc.date.accessioned2017-04-19T09:25:27Z-
dc.date.available2017-04-19T09:25:27Z-
dc.date.issued2011-
dc.identifier.issn1525-8165-
dc.identifier.uri10.1089/scd.2010.0392ko
dc.identifier.urihttps://oak.kribb.re.kr/handle/201005/10349-
dc.description.abstractThe transforming growth factor beta/bone morphogenetic protein-activated Smad signaling pathway plays a complicated role in the maintenance of human embryonic stem cell (hESC) pluripotency and in the cell fate decision of hESCs. Here, we report that sustained inhibition of the transforming growth factor beta type I receptor (also termed activin receptor-like kinase or ALK) using a chemical inhibitor selective for ALK4/5/7 (ALKi) leads to the cardiac differentiation of hESCs under feeder-free and serum-free conditions. Treatment with ALKi reduced Smad2/3 phosphorylation and increased Smad1/5/8 phosphorylation in hESCs, suggesting a requirement for active Smad1/5/8 signaling for cardiac induction in these cells when ALK/Smad2/3 is inhibited. Importantly, active basic fibroblast growth factor (bFGF) signaling was also required for ALKi-mediated cardiac differentiation of monolayer-cultured hESCs. The FGF receptor inhibitor SU5402 blocked ALKi-mediated cardiac induction in hESCs, whereas bone morphogenetic protein-4 enhanced the ALKi-induced increase in phospho-Smad1/5/8 levels but failed to induce the cardiac differentiation of hESCs and instead promoted trophoblastic differentiation. We also confirmed that ALKi potentially enhanced the cardiac differentiation of human embryoid bodies, as determined by expression of cardiac-specific markers, increased beating areas, and action potential recorded from beating areas. These results demonstrate that an ALKi could be used as a potential cardiac-inducing agent and that the development of culture conditions that provide an appropriate balance between ALK/Smad and bFGF signaling is necessary to direct the fate of hESCs into the cardiac lineage.-
dc.publisherMary Ann Liebert, Inc-
dc.titleCombinatorial activin receptor-like kinase/smad and basic fibroblast growth factor signals stimulate the differentiation of human embryonic stem cells into the cardiac lineage-
dc.title.alternativeCombinatorial activin receptor-like kinase/smad and basic fibroblast growth factor signals stimulate the differentiation of human embryonic stem cells into the cardiac lineage-
dc.typeArticle-
dc.citation.titleStem Cells and Development-
dc.citation.number9-
dc.citation.endPage1490-
dc.citation.startPage1479-
dc.citation.volume20-
dc.contributor.affiliatedAuthorMin Joung Kim-
dc.contributor.affiliatedAuthorMyung Jin Son-
dc.contributor.affiliatedAuthorYee Sook Cho-
dc.contributor.alternativeName육진영-
dc.contributor.alternativeName김민정-
dc.contributor.alternativeName손명진-
dc.contributor.alternativeName이석영-
dc.contributor.alternativeName남윤기-
dc.contributor.alternativeName한용만-
dc.contributor.alternativeName조이숙-
dc.identifier.bibliographicCitationStem Cells and Development, vol. 20, no. 9, pp. 1479-1490-
dc.identifier.doi10.1089/scd.2010.0392-
dc.description.journalClassY-
Appears in Collections:
Division of Research on National Challenges > Stem Cell Convergenece Research Center > 1. Journal Articles
Division of Biomedical Research > Immunotherapy Research Center > 1. Journal Articles
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