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Strain Name:

B6;129-Scarb1tm1Kri Apoetm1Unc/J

Stock Number:

004362

Availability:

Repository-Cryopreserved


Price and Supply Information

General Terms and Conditions

Former Name      B6;129-Srb1tm1Kri Apoetm1Unc    (Changed: 15-DEC-04 )
Genes & Alleles   Apoe;   Apoetm1Unc;   Scarb1;   Scarb1tm1Kri;


Product Information

Strain Details

Type JAX® GEMM® Strain - Mutant Stock
Additional information on JAX® GEMM® Strains.
Type JAX® GEMM® Strain - Targeted Mutation
Specieslaboratory mouse
Donating Investigator IMR Colony,   The Jackson Laboratory

Strain Description
At birth, mice homozygous for both targeted alleles are viable, normal in size and do not display any gross physical or behavioral abnormalities. All double mutants die between 5 to 8 weeks following birth, exhibiting hypercholesterolemia and significantly lower body weights compared to control mice. Mice display an altered appearance several days before death, displaying ruffled fur, an abnormal gate and sometimes labored breathing. Hearts from double mutants are enlarged, exhibit evidence of myocardial infarction and are functionally impaired. Histological examination reveals extensive coronary artery disease characterized by atherosclerotic plaques with evidence of cholesterol clefts and fibrin deposition. As with other Scarb1 homozygous null mutants, females are infertile while the fertility of homozygous males remains intact. This double mutant mouse strain offers a model that may be a useful tool in studies related to coronary heart disease.

Strain Development
Please see strain entries 002052 and 003379 for details regarding the construction of each mutant allele.

Mammalian Phenotype Terms assigned by genotype

Apoetm1Unc/Apoetm1Unc Scarb1tm1Kri/Scarb1tm1Kri

        involves: 129P2/OlaHsd * 129S2/SvPas * C57BL/6
  • hematopoietic system phenotype
  • abnormal red blood cell (MGI Ref ID J:75090)
    • abnormal erythrocyte morphology (MGI Ref ID J:75090)
      • non uniform cell populations
      • target-like appearance
      • intracellular inclusions
      • mitochondria present
      • echinocytosis (MGI Ref ID J:75090)
        • often spiculated
      • macrocytosis (MGI Ref ID J:75090)
      • poikilocytosis (MGI Ref ID J:75090)
    • decreased hematocrit (MGI Ref ID J:75090)
    • decreased hemoglobin content (MGI Ref ID J:75090)
    • hypochromic macrocytic anemia (MGI Ref ID J:75090)
      • abnormally large but with normal cellular hemoglobin levels
  • reticulocytosis (MGI Ref ID J:75090)
    • reticulocytes appear in the circulation
    • a systemic process interferes with reticulocyte maturation

Gene & Allele Details

Allele Symbol Apoetm1Unc
Allele Name targeted mutation 1, University of North Carolina
Common Name(s) APOE KO; AopE(-); ApoE-KO; Apoetm1Un; apoE-; apoE0; epsilon-;
Mutation Made By Nobuyo Maeda,   Univ of North Carolina at Chapel Hill
Strain of Origin129P2/OlaHsd
ES Cell Line NameE14TG2a
ES Cell Line Strain129P2/OlaHsd
Gene Symbol and Name Apoe, apolipoprotein E
Chromosome 7
Gene Common Name(s) AD2; AI255918; APOEA; LPG; MGC1571; apoprotein; expressed sequence AI255918;
General Note

In Apoetm1Unc mutant mice also carrying Csf1op, atherotic lesions of the proximal aorta were abolished or significantly reduced in size relative to Apoe mutants homozygous for the normal allele at Csf1 (J:40136). The results may have been due to reduced macrophages or M-CSF, but were not due to reductions in circulating lipoprotein (J:40136).

Molecular Note Insertion of a neomycin resistance cassette deleted part of exon 3 and part of intron 3 of the Apoe gene. Plasma from homozygous mutant mice gave no detectable immunoprecipitate by the Ouchterlony double immunodiffusion test using a rabbit antibody to rat APOE. [MGI Ref ID J:1050]
 
Allele Symbol Scarb1tm1Kri
Allele Name targeted mutation 1, Monty Krieger
Common Name(s) SR-BI; SR-BI-; srb1-; srbI-;
Mutation Made By Monty Krieger,   Massachusetts Institute of Technology
Strain of Origin129S2/SvPas
ES Cell Line NameD3
ES Cell Line Strain129S2/SvPas
Gene Symbol and Name Scarb1, scavenger receptor class B, member 1
Chromosome 5
Gene Common Name(s) AI120173; CD36L1; CLA-1; CLA1; D5Ertd460e; DNA segment, Chr 5, ERATO Doi 460, expressed; MGC138242; SR-BI; SRB1; SRBI; Srb1; expressed sequence AI120173; scavenger receptor class B1;
Molecular Note Replacement of the entire coding region of the first exon and an additional 554 bases of intron 1 with a neomycin cassette. [MGI Ref ID J:44187]

Control Information

  Control
   None Available
 
  Considerations for Choosing Controls
  Control Pricing Information for JAX® GEMM® Strains

Genotyping Protocols

Apoetm1Unc
Scarb1tm1Kri

Colony Maintenance

Breeding & HusbandryWhen maintaining a live colony, this strain is maintained by mating Apoe/Apoe Scarb1/+ x Apoe/Apoe +/+ or reciprocal. Note: mice homozygous for both null alleles die between 5 to 8 weeks.
Diet Information LabDiet® 5K52/5K67

Related Strains

View Strains carrying   Apoetm1Unc     (9 strains)

Strains carrying   Scarb1tm1Kri allele
003379   B6;129S2-Scarb1tm1Kri/J
View Strains carrying   Scarb1tm1Kri     (1 strain)

Research Applications

This mouse can be used to support research in many areas including:

Cardiovascular Research
Heart Abnormalities

Apoetm1Unc related

Cardiovascular Research
Atherosclerosis
Hypercholesterolemia

Mouse/Human Gene Homologs
Alzheimer's
hyperlipoproteinemia, type III

Scarb1tm1Kri related

Cardiovascular Research
Hypercholesterolemia

Metabolism Research
Lipid Metabolism

Reproductive Biology Research
Fertility Defects (females only)

References

Selected Reference(s)

Braun A; Trigatti BL; Post MJ; Sato K; Simons M; Edelberg JM; Rosenberg RD; Schrenzel M; Krieger M. 2002. Loss of SR-BI expression leads to the early onset of occlusive atherosclerotic coronary artery disease, spontaneous myocardial infarctions, severe cardiac dysfunction, and premature death in apolipoprotein E-deficient mice. Circ Res 90(3):270-6. [PubMed: 11861414]  [MGI Ref ID J:109751]

Additional References

Price and Supply Information

Strain Name: B6;129-Scarb1tm1Kri Apoetm1Unc/J
Stock Number: 004362

Price Details

IMPORTANT NOTE: Prices are based on shipping destination. The shipping destinations are:

*Pricing for Shipping Destination selected:

        USA, Canada and Mexico

Price(s) in US dollars ($)
Cryorecovery Fee $1900.00

Supply Details

Standard SupplyRepository-Cryopreserved. Must Be Recovered. Please refer to pricing and supply notes for further information.
Supply Notes Cryorecovery - Standard.
The recovery process begins when a signed agreement form is returned to the Customer Service Department after order placement. Although results vary by strain, at least two males and two females (two pairs) will be provided, typically within 15 weeks of our receipt of the signed agreement form. If the first recovery attempt is unsuccessful or only one pair is recovered, a second recovery will be done, extending the delivery time to approximately 25 weeks. At least one member of each pair will be of known genotype and will carry the mutation if it is a mutant strain. Please note that pairs may not reflect the mating scheme utilized by The Jackson Laboratory prior to cryopreservation of the strain. Mating schemes are sometimes modified for successful cryopreservation. Price represents a repository maintenance fee, which includes the cost of recovery of the strain from the cryopreservation resource and the periodic replacement of the frozen embryos used for recovery.

Cryorecovery to establish a Dedicated Supply for greater quantities of mice.
One to two pairs will be recovered to establish a Dedicated Supply of mice. Price by quotation. For more information on Dedicated Supply, please contact JAX® Services: Tel: 1-800-422-6423 or 1-207-288-5845; Email: jaxservices@jax.org.
This strain is included in the Induced Mutant Resource Colony collection.
Genomic DNA is available for this strain from the Mouse DNA Resource.

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General Terms and Conditions

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For additional Licensing and Use Restrictions view the link(s) below:
- Strain(s) not available to companies or for-profit entities.

The Jackson Laboratory's Genotype Promise

The Jackson Laboratory has rigorous genetic quality control and mutant gene genotyping programs to ensure the genetic background of JAX® Mice strains as well as the genotypes of strains with identified molecular mutations. JAX® Mice strains are only made available to researchers after meeting our standards. However, the phenotype of each strain may not be fully characterized and/or captured in the strain data sheets. Therefore, we cannot guarantee a strain's phenotype will meet all expectations. To ensure that JAX® Mice will meet the needs of individual research projects or when requesting a strain that is new to your research, we suggest ordering and performing tests on a small number of mice to determine suitability for your particular project.
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