Generation of Functional Murine Cardiac Myocytes From Induced Pluripotent Stem Cells
Christina Mauritz,Kristin Schwanke,Michael Reppel,Stefan Neef,K. Katsirntaki,Lars S. Maier,Filomain Nguemo,Sandra Menke,Moritz Haustein,Juergen Hescheler,Gerd Hasenfuss,Ulrich Martin +11 more
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The aim of this study was to characterize the cardiac differentiation potential of a murine iPS cell clone in comparison to a well-established murine ES cell line, and found that iPS cells differentiate into functional cardiomyocytes.Abstract:
Background— The recent breakthrough in the generation of induced pluripotent stem (iPS) cells, which are almost indistinguishable from embryonic stem (ES) cells, facilitates the generation of murine disease– and human patient–specific stem cell lines. The aim of this study was to characterize the cardiac differentiation potential of a murine iPS cell clone in comparison to a well-established murine ES cell line. Methods and Results— With the use of a standard embryoid body–based differentiation protocol for ES cells, iPS cells as well as ES cells were differentiated for 24 days. Although the analyzed iPS cell clone showed a delayed and less efficient formation of beating embryoid bodies compared with the ES cell line, the differentiation resulted in an average of 55% of spontaneously contracting iPS cell embryoid bodies. Analyses on molecular, structural, and functional levels demonstrated that iPS cell–derived cardiomyocytes show typical features of ES cell–derived cardiomyocytes. Reverse transcription p...read more
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References
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TL;DR: Induction of pluripotent stem cells from mouse embryonic or adult fibroblasts by introducing four factors, Oct3/4, Sox2, c-Myc, and Klf4, under ES cell culture conditions is demonstrated and iPS cells, designated iPS, exhibit the morphology and growth properties of ES cells and express ES cell marker genes.
Journal ArticleDOI
Induction of Pluripotent Stem Cells from Adult Human Fibroblasts by Defined Factors
Kazutoshi Takahashi,Koji Tanabe,Mari Ohnuki,Megumi Narita,Tomoko Ichisaka,Kiichiro Tomoda,Shinya Yamanaka +6 more
TL;DR: It is demonstrated that iPS cells can be generated from adult human fibroblasts with the same four factors: Oct3/4, Sox2, Klf4, and c-Myc.
Journal ArticleDOI
Induced Pluripotent Stem Cell Lines Derived from Human Somatic Cells
Junying Yu,Maxim A. Vodyanik,Kim Smuga-Otto,Jessica Antosiewicz-Bourget,Jennifer L. Frane,Shulan Tian,Jeff Nie,Gudrun A. Jonsdottir,Victor Ruotti,Ron Stewart,Igor I. Slukvin,James A. Thomson +11 more
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Bone marrow cells regenerate infarcted myocardium
Donald Orlic,Jan Kajstura,Stefano Chimenti,Igor Jakoniuk,Stacie M. Anderson,Baosheng Li,James Pickel,Ronald D.G. McKay,Bernardo Nadal-Ginard,David M. Bodine,Annarosa Leri,Piero Anversa +11 more
TL;DR: It is indicated that locally delivered bone marrow cells can generate de novo myocardium, ameliorating the outcome of coronary artery disease.
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Generation of germline-competent induced pluripotent stem cells
TL;DR: iPS cells competent for germline chimaeras can be obtained from fibroblasts, but retroviral introduction of c-Myc should be avoided for clinical application.