Defined conditions for propagation and manipulation of mouse embryonic stem cells

C. Mulas,Tüzer Kalkan,Ferdinand von Meyenn,Harry G. Leitch,J. Nichols,Austin G Smith

Published 2019 in Development

ABSTRACT

ABSTRACT The power of mouse embryonic stem (ES) cells to colonise the developing embryo has revolutionised mammalian developmental genetics and stem cell research. This power is vulnerable, however, to the cell culture environment, deficiencies in which can lead to cellular heterogeneity, adaptive phenotypes, epigenetic aberrations and genetic abnormalities. Here, we provide detailed methodologies for derivation, propagation, genetic modification and primary differentiation of ES cells in 2i or 2i+LIF media without serum or undefined serum substitutes. Implemented diligently, these procedures minimise variability and deviation, thereby improving the efficiency, reproducibility and biological validity of ES cell experimentation. Summary: Detailed protocols for the propagation, manipulation and differentiation of mouse embryonic stem cells, with tips for minimising variability and improving the efficiency, reproducibility and reliability of embryonic stem cell culture.

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