期刊
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
卷 369, 期 3, 页码 801-806出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bbrc.2008.02.141
关键词
embryonic stem cell; common marmoset; primate; monkey; cardiomyocytes; differentiation; characterization; heart regeneration; preclinical model
Common marmoset monkeys have recently attracted much attention as a primate research model and, are preferred to rhesus and cynomolgus monkeys due to their small bodies easy handling and efficient, breeding. We recently reported the establishment of common marmoset embryonic stem cell (CMESC) lines that could differentiate into three germ layers. Here, we report that our CMESC can also differentiate into cardiomyocytes and investigated their characteristics. After induction FOG-2 was expressed followed by GATA4 and Tbx20, then Nkx2.5 and Tbx5. Spontaneous beating could be detected at days 12-15. Immunofluorescent staining and ultrastructural analyses revealed that they possessed characteristics typical of functional cardiomyocytes. They showed sinus node-like action potentials, and the beating rate was augmented by isoproterenol stimulation. The BrAU incorporation assay revealed that CMESC-derived cardiomyocytes retained a high proliferative potential for up to 24 weeks. We believe that CMESC. derived cardiomyocytes will advance preclinical studies in cardiovascular regenerative medicine. (c) 2008 Elsevier Inc. All rights reserved.
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