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The KO Repository lines exist as cryopreserved materials. Cohorts can typically be produced and delivered to the customer within 14-16 weeks of order receipt. For most lines, the mouse ES cells used in generating the model are of the 129S5 strain. Lines are stored primarily as cryopreserved sperm on a mixed 129S5 x C57BL/6J-Tyrc-Brd background. Lines are recovered using cryopreserved sperm and C57BL/6NTac oocyte donors. Some lines are stored as cryopreserved embryos and when revitalized will result in a 129/S5 x C57BL/6J-Tyrc-Brd background.
For standard orders clients will receive:
A minimum of four (4) mutant mice, heterozygous for the selected mutation on a mixed 129S5;B6 background.
