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ES Cell Sex and Genotype: These ES Cells are expected to be male (XY) and heterozygous/hemizygous for the mutation.
Requested cell lines are tested by PCR analysis for mycoplasma spp. and Murine Parvoviruses (MPV) upon completion of expansion and prior to shipment. The parental cell line E14Tg2a.4, from which these cells were derived, was tested for multiple mouse pathogens; please see the Health Status Report.
Mice derived from requested cell lines via Microinjection services will be pathogen tested prior to delivery of mice and health reports will be provided. If you require additional health status information prior to requesting microinjection please email mmrrc@ucdavis.edu.
MMRRC Testing of the BayGenomics, SIGTR, and Soriano gene trap cell lines includes RACE sequencing and mycoplasma and MPV testing. All mutant ES cell lines are heterozygous for the mutation, meaning they carry one modified allele and one wild type allele. MMRRC also recommends performing chromosome counts or karyotyping prior to injection of clones.
Estimated timelines: The repository was sent only one or two vials per clone/cell line from the production center. Processing ES cells (including genetic verification) prior to shipping or injection requires 6-8 weeks. Chromosome counting (to determine % euploid cells) requires an additional 4-8 weeks. Microinjection requires an additional 11-15 weeks. Germline transmission testing (breeding of chimera) requires an additional 8-16 weeks. Germline transmission is not guaranteed.
The donor or their institution limits the distribution to non-profit institutions only.
Distribution of this strain requires submission of the MMRRC Conditions of Use (COU). A link to the COU web form will be provided via email after an order has been placed; the form should be completed then or the email forwarded to your institutional official for completion.
Additional charges may apply for any special requests. Shipping costs are in addition to the basic distribution/resuscitation fees. Information on shipping costs and any additional charges will be provided by the supplying MMRRC facility.
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