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Homozygous: Not evaluated
Heterozygous: These Ple162-EGFPCre;mEMS954 mice have the Ple162-EGFPCre transgene targeted as a single copy "knockin" into the upstream region of hypoxanthine guanine phosphoribosyl transferase (Hprt) locus on the X chromosome. Heterozygous females and hemizygous males are viable and fertile, with the promoter/regulatory regions of the human paired-like homeodomain 3 (PITX3) gene directing expression of an enhanced green fluorescent protein/Cre recombinase fusion protein (EGFPCre). These Ple162-EGFPCre;mEMS954 mice may be useful in studying PITX3-expressing cells in the brain and diseases affecting the brain, including mesocorticolimbic dopamine system function in the drug and natural reward circuitry of the brain, cognition, motivation, drug addiction, and psychiatric disorders.
The donating investigator reports: When these Ple162-EGFPCre;mEMS954 mice are bred to also harbor the Gt(ROSA)26Sortm1Sor mutant allele, strong Cre recombinase activity (βGal staining) is detected in a discrete neuronal-like cell population in the ventral midbrain. In the mature brain, βGal-positive cells are found surrounding the fasciculus retroflexus. Double labeling for βGal and tyrosine hydroxylase shows that the βGal-positive cells are not dopaminergic cells, but do border the dorsal edge of the main dopaminergic population of the VTA. A developmental analysis showed clear beta Gal labeling of ventral midbrain cells in embryonic day 11.5 (E11.5) and E15.5 embryos as well as postnatal day 0 (P) and P7 pups, in the regions from and through which the dopaminergic population arises and migrates, respectively. Active expression of the EGFP/cre reporter gene product, however, cannot be detected in these cells by EGFP immunostaining, indicating beta Gal expression is an historical marker of expression of the EGFP/cre reporter. Additionally, a substantial non-CNS staining was detected in muscle tissue of the abdominal wall, limb buds and posterior paravertebral tissues in E11.5 whole embryos as expected for the PITX3 gene.
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.
The donor or their institution limits the distribution to non-profit institutions only.
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.