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Cardiac Specific Gene Expression Changes in Long Term Culture of Murine Mesenchymal Stem Cells

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http://pdf.medrang.co.kr/Ijsc/004/Ijsc004-02-10.pdf
Original languageEnglish
Pages (from-to)143-148
Number of pages6
JournalInternational Journal of Stem Cells
Volume4
Issue number2
StatePublished - 2011

Abstract

Murine MSCs are a readily available source of adult stem cells enabling extensive in vitro study of this cell population. MSCs have been described as multipotent, and have been proven capable of differentiation into several connective tissue types. Furthermore some studies have suggested an ability to differentiate into non-connective tissue cell types such as the cardiomyocyte. The aim of this study was to differentiate murine MSCs toward cardiac lineage with the commonly used method of culture with 5' Azacytidine. Critically, baseline analysis of gene expression of passage four MSCs demonstrated expression of key cardiac markers including cardiac troponin T and I, and the ryanodine receptor. Furthermore, expression analysis of these genes changed with time in culture and passage number. However, there was no significant alteration when cells were subjected to a differentiation protocol. This study therefore highlights the importance of analyzing baseline cells extensively, and indicates the limitations in extrapolating data for comparison between species. Furthermore this data brings into question the efficacy of cardiac differentiation using MSCs.

Research areas

  • Mesenchymal stem cell, Murine Marker expression Differentiation Cardiac

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