In vitro propagation of embryonic stem cells
First Claim
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1. A method of producing a genetically modified mouse, comprising culturing murine embryonic stem (ES) cells in culture medium containing an effective amount of recombinant leukaemia inhibitory factor under conditions sufficient to maintain said ES cells and producing a genetically modified mouse using said ES cells.
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Abstract
The present invention relates to the use of leukemia inhibitory factor (LIF) in the isolation and propagation of embryonic stem cells in vitro.
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6 Claims
- 1. A method of producing a genetically modified mouse, comprising culturing murine embryonic stem (ES) cells in culture medium containing an effective amount of recombinant leukaemia inhibitory factor under conditions sufficient to maintain said ES cells and producing a genetically modified mouse using said ES cells.
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2. A method of producing a genetically modified mouse, comprising culturing murine embryos in vitro in culture medium containing an effective amount of recombinant leukaemia inhibitory factor for an effective time and under conditions sufficient for the development of embryonic stem (ES) cells and producing a genetically modified mouse using said ES cells.
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