期刊
BIOMATERIALS
卷 54, 期 -, 页码 201-212出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biomaterials.2015.02.029
关键词
Small molecule; Induced cardiomyocyte-like cells; Mouse fibroblasts; Lineage conversion
资金
- Korea University Grant, the Bio & Medical Technology Development Program of the National Research Foundation of Korea - Korean Ministry of Science, ICT & Future Planning (MSIP) [NRF-2010-0020347]
- Korea Health Technology R&D Project, Ministry of Health Welfare [A120392]
- School of Life Sciences and Biotechnology for BK21 PLUS, Korea University
The possibility of controlling cell fates by overexpressing specific transcription factors has led to numerous studies in stem cell research. Small molecules can be used, instead of transcription factors, to induce the de-differentiation of somatic cells or to induce pluripotent cells (iPSCs). Here we reported that combinations of small molecules could convert mouse fibroblasts into cardiomyocyte-like cell without requiring transcription factor expression. Treatment with specific combinations of small molecules that are enhancer for iPSC induction converted mouse fibroblasts into spontaneously contracting, cardiac troponin T-positive, cardiomyocyte-like cells. We specifically identified five small molecules that can induce mouse fibroblasts to form these cardiomyocyte-like cells. These cells are similar to primary cardiomyocytes in terms of marker gene expression, epigenetic status of cardiac-specific genes, and subcellular structure. Our findings indicate that lineage conversion can be induced not only by transcription factors, but also by small molecules. (C) 2015 Elsevier Ltd. All rights reserved.
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