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Humanized STXBP1 mice express a knock-in/knock-out mutation that results in replacement of the murine Stxbp1 (syntaxin binding protein 1) sequence, from upstream of exon 1 to the end of exon 19, with human sequence from upstream of exon 1 to the final exon. These mice may be useful for delivering and evaluating the efficacy of biological therapeutics, specifically for neurological diseases.
Stxbp1 (syntaxin binding protein 1) encodes a protein involved in the release of neurotransmitters through the binding of syntaxin. Mutations in Stxbp1 are associated with epilepsy, intellectual disability and movement disorders. STXBP1 hu knock-in/ knock-out mice express a BAC that replaces the Stxbp1 (syntaxin binding protein 1) murine sequence upstream of exon 1 to the end of exon 19 with the human sequence from upstream of exon 1 to the final exon. Mice homozygous for the mutation are viable and fertile, however, viability is reduced in homozygote males. RT-qPCR confirms a 50% reduction of murine Stxbp1 RNA in heterozygous mice and the expression of human STXBP1 RNA. These mice may be useful for delivering and evaluating the efficacy of biological therapeutics, specifically for neurological diseases.
Cryo-recovered strains distributed by the MMRRC at JAX are shipped to the customer from the Pathogen & Opportunistic-Free Animal Room G200 - see https://www.jax.org/jax-mice-and-services/customer-support/customer-service/animal-health/health-status-reports.
Limited quantities of breeder mice (recovered litter) are available from a cryoarchive; recovered litter usually available to ship in 3 to 4 months.
Cryopreserved material may be available upon request, please inquire to csmmrrc@jax.org for more information.
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.
1 The distribution fee covers the expense of rederiving mice from a live mouse; you will receive the resulting litter. The litter will contain at minimum one mutant carrier; the actual number of animals and the gender and genotype ratios will vary. (Typically, multiple breeder pairs can be established from the recovered litter.) Prior to shipment, the MMRRC will provide information about the animals recovered. If you anticipate or find that you need to request specific genotypes, genders or quantities of mice in excess of what is likely from a resuscitated litter, you may discuss available options and pricing with the supplying MMRRC facility.
2 An aliquot contains a sufficient number of embryos (in one or more vials or straws and based on the transfer success rate of the MMRRC facility) to transfer into one to three recipients. The MMRRC makes no guarantee concerning embryo transfer success experienced in the recipient investigator's laboratory. Neither gender nor genotype ratios are guaranteed.
3 An aliquot is one straw or vial with sufficient sperm to recover at least one litter of mice, as per provided protocols, when performed at the MMRRC facility. The MMRRC makes no guarantee concerning the success of these procedures when performed outside the MMRRC facilities.
4 The distribution fee covers the expense of resuscitating mice from the cryo-archive; you will receive the resulting litter. The litter will contain at minimum one mutant carrier; the actual number of animals and the gender and genotype ratios will vary. (Typically, multiple breeder pairs can be established from the recovered litter.) Prior to shipment, the MMRRC will provide information about the animals recovered. If you anticipate or find that you need to request specific genotypes, genders or quantities of mice in excess of what is likely from a resuscitated litter, you may discuss available options and pricing with the supplying MMRRC facility.
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