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    Article

    Production and cryopreservation of definitive endoderm from human pluripotent stem cells under defined and scalable culture conditions

    The endodermal germ layer gives rise to respiratory epithelium, hepatocytes, pancreatic cells and intestinal lineages, among other cell types. These lineages can be differentiated from human pluripotent stem c...

    Anais Sahabian, Julia Dahlmann, Ulrich Martin, Ruth Olmer in Nature Protocols (2021)

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    Open Access

    Bulk cell density and Wnt/TGFbeta signalling regulate mesendodermal patterning of human pluripotent stem cells

    In vitro differentiation of human pluripotent stem cells (hPSCs) recapitulates early aspects of human embryogenesis, but the underlying processes are poorly understood and controlled. Here we show that modulating...

    Henning Kempf, Ruth Olmer, Alexandra Haase, Annika Franke in Nature Communications (2016)

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    Article

    Cardiac differentiation of human pluripotent stem cells in scalable suspension culture

    This protocol describes how to generate large quantities of cardiomyocytes from human pluripotent stem cells using a bioreactor. Cells are differentiated by application of Wnt pathway modulators while growing ...

    Henning Kempf, Christina Kropp, Ruth Olmer, Ulrich Martin in Nature Protocols (2015)

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    Chapter

    Induced Pluripotent Stem Cells Differentiate into Functional Cardiomyocytes

    The conversion of somatic cells into so called induced pluripotent stem cells (iPSCs) is generally considered as major breakthrough in stem cell research, and cardiomyocytes derived from human iPS cells are co...

    Ruth Olmer, Ulrich Martin in Stem Cells and Cancer Stem Cells, Volume 12 (2014)

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    Chapter and Conference Paper

    A Comparative Study of Suspension Cultivation Systems for the Expansion of Undifferentiated Mouse Embryonic Stem Cells

    Embryonic Stem (ES) cells are self- renewing and pluripotent cells that can differentiate into a variety of cell lineages. Implementation in tissue engineering or as model systems for drug discovery makes ES c...

    Magda Tomala, Sabrina Schmeckebier in Proceedings of the 21st Annual Meeting of … (2012)

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    Article

    Scalable expansion of human pluripotent stem cells in suspension culture

    Routine commercial and clinical applications of human pluripotent stem cells (hPSCs) and their progenies will require increasing cell quantities that cannot be provided by conventional adherent culture technol...

    Robert Zweigerdt, Ruth Olmer, Harmeet Singh, Axel Haverich in Nature Protocols (2011)