Oxytocin efficiency in differentiation of P19c16 stem cells into cardiomyocytes
Journal Title: Khoon - Year 2007, Vol 3, Issue 4
Abstract
Oxytocin efficiency in differentiation of P19c16 stem cells into cardiomyocytes Fathi F.1(PhD), Bagheban Eslami M.R.2(PhD), Ahsan B.1(MD), Alasvand M.1(MS), Rezaei M.J.1(PhD), Pirmoradi L.1(MS), Asahara T.3(MD) 1 School of Medicine, Kordestan University of Medical Sciences 2 Royan Research Center, Stem Cells Research Group 3 Riken Institute, CDB, Japan Abstract Background and Objectives Recently, P19c16 has been cloned from P19 cells. This stem cell line has mesodermal traits and can be differentiated into cardiomyocytes without embryoid body formation. The present study was designed to investigate the oxytocin effect on differentiation of P19c16 into cardiomyocytes and production of GFP-labeled cardiomyocytes. Materials and Methods At first, the P19c16 cells were cultured as monolayer and embryoid body; then oxytocin with 1×10-7 M concentration was added to culture media as the inducer agent. DMSO was used as an inducer agent in positive control under the same conditions. Differentiated cells underwent morphological and immunocytochemical evaluation. The research in its continuation pursued the transfection of pEGFP-C1 plasmid with P19c16 cells by electroporation method; then, stably expressed GFP cells were differentiated into cardiomyocytes by oxytocin. Results The obtained data indicated that in the experimental group EBs from P19c16 cells could be differentiated into cardiomyocytes whereas monolayer cells could not. In the control group, both EBs and monolayer cells could be differentiated into cardiomyocytes by DMSO. In second part of this study, P19c16 cells were efficiently transfected with GFP, and GFP expressed cells were differentiated into beating cardiomyocytes by oxytocin. The results of morphological and immunocytochemical evaluation confirmed that differentiated cells were cardiomyocytes. Conclusions Our results showed that the embryoid body formation is necessary for differentiation of P19c16 cells into cardiomyocytes and these cells after stable transfection with GFP could be differentiated into beating cardiomyocytes. It can be concluded that probably P19c16 line is a good stem cell line for cell transplantation in the experimental model of cardiac disease. Key words: Cell differentiation, Cardiomyocytes, Oxytocin, Stem cells, P19 SJIBTO 2007; 3(4): 281-290 Received: 25 Apr 2006 Accepted: 23 Jan 2007 Correspondence:Fathi F., PhD of Anatomy. Cellular and Molecular Research Lab, Kordestan University of Medical Sciences. P.O.Box: 66177-13446, Sanandaj, Iran. Tel: (+9871) 6661830; Fax: (+9871) 6660051 E-mail:farfath@yahoo.com
Authors and Affiliations
F Fathi , M. R Bagheban Eslami , B. Ahsan , M. Alasvand, M. J. Rezaei, L. Pirmoradi, T. Asahara
Keywords
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