Genetically Engineered Mouse Core
Transgenic Mouse Core
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ES Cell Microinjection

The GEM Core will inject ES cells into the blastocoel of embryonic Day 3.5 mouse embryos for investigators. The investigator prepares the ES cells and provides the Core with the ES cells the morning of injection. The core injects the ES cells into 18 to 20 blastocysts per ES cell clone. The core can inject 3 to 6 ES cell clones per day. The core will provide the investigator with the pregnant moms for chimerical analysis or weaned chimeras for the establishment of mutant mouse lines.


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