Overview

Also Known As: CBA Carter J, CBA/Ca

The CBA inbred strain was initially bred for longevity and a low incidence of spontaneous mammary tumors relative to C3H. CBA/CaJ mice are commonly used for leukemogenesis research because this strain has a low spontaneous incidence of leukemia while myeloid leukemia can readily be induced. CBA/CaJ mice carry viral proteins Mtv8, Mtv9, and Mtv14. Male CBA/CaJ mice develop a mild adult onset diabetes-obesity syndrome that is characterized by hyperglycemia, hyperinsulinemia and insulin resistance. Unlike the CBA/J substrain, CBA/CaJ mice do not carry the retinal degeneration 1 allele (Pde6b^rd1), and CBA/CaJ mice are not histocompatible with the CBA/J.

Genetic overview

Genetic Background	Generation
	Contact Technical Support

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Research Applications

Diabetes and Obesity Research
Cancer Research
Research Tools
Sensorineural Research
Reproductive Biology Research

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Base Price

Starting at:

$43.96 Domestic price for female 3-week

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Details

Detailed Description

CBA inbred mice are derived from a cross of an unpedigreed Bagg albino female and an early DBA progenitor male. C3H mice are descended from the same cross. The CBA inbred strain was initially bred for longevity and a low incidence of spontaneous mammary tumors (compared with C3H). Burdette and Strong reported that CBA mice were comparatively susceptible to tumor induction after a single subcutaneous injection of methylcholanthrene. The tumor types identified in this early work in CBA mice included spindle cell sarcoma, rhabdomyosarcoma, and epidermoid carcinoma. Strong and Smith reported finding benign hepatomas in aging CBA mice. Several groups confirmed this finding, and the majority of studies found a higher frequency of spontaneous hepatomas in males than in females.

CBA/CaJ mice are commonly used for leukemogenesis research because this strain has a low spontaneous incidence of leukemia but has a relatively high inducibility of myeloid leukemia in response to benzene and radiation exposure. Multiple reports using CBA, its F1 hybrids, and other strains, have indicated that deletions in a specific segment of chromosome 2 are linked to radiation and chemical induction of myeloid leukemia. This segment is reported to map to a 1 cM interval flanked by D2Mit126 and D2Mit185 which is homologous to human chromosome segment 11p11-12.

In addition, CBA/CaJ mice have been used for the assessment of cytostatic drug combination protocols and have also been utilized successfully as hosts for childhood rhabdomyosarcoma xenografts, after thymectomy and irradiation. CBA/CaJ mice carry viral proteins Mtv8, Mtv9, and Mtv14.

Male CBA/CaJ mice develop a mild adult onset diabetes-obesity syndrome that is characterized by hyperglycemia, hyperinsulinemia and insulin resistance. Pancreatic beta cells do not degenerate and circulating insulin levels remain high throughout life.

CBA/CaJ electroretinograms show a reduced amplitude of both scotopic and photopic b-waves but normal a-wave. This was found to be caused by a p.Met66Leu mutation in metabotropic glutamate receptor 6, Grm6^nob8. This substitution at a conserved methionine causes decreased glycosylation, and decreased expression in the depolarizing bipolar cell dendritic tips, the normal site of expression, with increased expression in the cell bodies. The decreased scotopic b-wave also has prominent high frequency oscillatory potentials. There are fewer visually responsive retinal ganglion cells and the time to peak of ON retinal ganglion cells is increased relative to C57BL/6J controls, although the time to peak of OFF is normal. Retinal structure is normal. The Grm6^nob8 mutation provides a model for congenital stationary night blindness type 1B that is more mild than that provided by Grm6 null alleles, which have no b-wave. Unlike the CBA/J substrain, CBA/CaJ mice do not carry the retinal degeneration 1 allele (Pde6b^rd1). CBA/CaJ mice are not histocompatible with the CBA/J substrain (Green and Kaufer, 1965).

Development

Beginning in 1920, Strong developed the CBA inbred strain from a cross of an unpedigreed Bagg albino female and an early DBA progenitor male. C3H mice are descended from the same cross. Progeny were selected for low mammary tumor incidence. Strong sent the CBA mice to Little at The Jackson Laboratory, then to Haldane and Gruneberg (university College, London) in 1932, to Carr and Carter (Institute of Animal Genetics, Edinburgh, Scotland) in 1947, and to Green at The Jackson Laboratory in 1950.

Selected References

Figueroa CD; Taberner PV. 1994. Pancreatic islet hypertrophy in spontaneous maturity onset obese-diabetic CBA/Ca mice. Int J Biochem 26(10-11):1299-303PubMed: 7851633 MGI: J:23005
Peachey NS; Hasan N; FitzMaurice B; Burrill S; Pangeni G; Karst SY; Reinholdt L; Berry ML; Strobel M; Gregg RG; McCall MA; Chang B. 2017. A MISSENSE MUTATION IN GRM6 REDUCES BUT DOES NOT ELIMINATE MGLUR6 EXPRESSION OR ROD DEPOLARIZING BIPOLAR CELL FUNCTION. J Neurophysiol:jn.00888.2016PubMed: 28490646 MGI: J:240996
Rithidech KN; Cronkite EP; Bond VP. 1999. Advantages of the CBA mouse in leukemogenesis research. Blood Cells Mol Dis 25(1):38-45PubMed: 10349512 MGI: J:53730
Petkov PM; Cassell MA; Sargent EE; Donnelly CJ; Robinson P; Crew V; Asquith S; Haar RV; Wiles MV. 2004. Development of a SNP genotyping panel for genetic monitoring of the laboratory mouse. Genomics 83(5):902-11PubMed: 15081119 MGI: J:89298

View All References

Genetics

Grm6^nob8

Allele Symbol: Grm6^nob8

Allele Name	no b wave 8
Allele Type	Spontaneous (Hypomorph)
Allele Synonym(s)	no b wave 8; Grm6^nob8
Gene Symbol and Name	Grm6, glutamate receptor, metabotropic 6
Gene Synonym(s)	nob4; nob3; gene model 3, (NCBI); nob3; cDNA sequence BC021919; CSNB1B; GPRC1F; nerg1; no b wave 3; mGlu6; MGLUR6; Gm3; no b wave 4; BC021919; mGluR6
Strain of Origin	CBA/CaJ
Chromosome	11
Molecular Note	This spontaneous A to T transversion at position Chr:11:50851337 (GRCm38) results in a missense mutation at position 66, changing methionine to leucine. This residue lies in the glutamate binding region and is invariant across many mammals including human.

Rmcf^r

Allele Symbol: Rmcf^r

Allele Name	MCF resistant
Allele Type	Spontaneous
Allele Synonym(s)	Rmcf^r; MCF resistant
Gene Symbol and Name	Rmcf, resistance to MCF virus
Gene Synonym(s)
Strain of Origin	multiple strains
Chromosome	5
General Note	This locus controls resistance and susceptibility of cells in tissue culture to infection by mink cell focus-forming murine leukemia viruses. The allele Rmcf^r determines resistance and occurs in strains DBA/1, DBA/2, and CBA/Ca; the allele Rmcf^s determines susceptibility and occurs in strains AKR/J, C57BL/6, BALB/c, CBA/J, NFS, NZB, 129/J, and many others. Heterozygotes are as resistant as the resistant parent or nearly so. Rmcf is different from and independent of Fv1, a locus that controls susceptibility to infection by ecotropic viruses. Rmcf is located on Chr 5 close to Hm near the centromeric end (J:7108). Rmcf^r protects (AKR x CBA/Ca)F1 and (AKR x DBA/2)F1 hybrids from development of spontaneous thymic lymphomas and reduces the incidence of MCF-induced thymic lymphomas (J:7175). It also reduces susceptibility of cells of Sxv^s/Sxv^r mice to exogenous xenotropic viruses (J:7951). In addition, in strains susceptible to Friend virus-induced erythroleukemia, a condition thought to be due to the replication of MCF virus, Rmcf^r increases resistance to the virus-induced erythroleukemia. It may cause resistance by coding for or regulating the production of an MCF-related envelope glycoprotein that blocks the receptor for MCF viruses (J:8074). This conclusion is reinforced by the findings of Buller et al. (J:8497), who showed that the Rmcf^r allele contains an endogenous MCF gp70 env gene and that the Rmcf^s allele, at least in some strains (C57BL/6, CBA/J, and A/WySn), contains a xenotropic gp70 env gene. Presumably the MCF gp70 inhibits exogenous MCF infection in vitro by a mechanism of viral interference.
Molecular Note	This locus controls resistance of cells to infection by mink cell focus-forming murine leukemia viruses. The dominant r (resistance) allele is found in strains DBA/1, DBA/2 and CBA/Ca.

Disease/Phenotype

Disease Terms

Model with phenotypic similarity to human disease where etiologies involve orthologs. Human genes are associated with this disease. Orthologs of those genes appear in the mouse genotype(s).

congenital stationary night blindness 1B

Research Areas By Genotype

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

Diabetes and Obesity Research
- Insulin Resistance
  - males
- Obesity With Diabetes
  - males
- Hyperinsulinemia
  - adult onset, males
- Hyperglycemia
  - adult onset, males
- Type 2 Diabetes (NIDDM)
  - adult onset, males
Cancer Research
- Increased Tumor Incidence
  - Hepatomas
  - Leukemia
  - Lymphomas
  - Mammary Gland Tumors: late onset
  - Mammary Gland Tumors
Research Tools
- General Purpose
Reproductive Biology Research
- Meiotic Nondisjunction Studies

Genotype: Grm6^nob8 related

Sensorineural Research
- Eye Defects

Mammalian Phenotype Terms by Genotype

The following phenotype relates to a compound genotype created using this strain

Genotype: Grm6^nob8/Grm6^nob8
CBA/CaJ

vision/eye phenotype

decreased b wave amplitude
- The a-wave is normal, but the scotopic b-wave is reduced although not abolished, with prominant high frequency oscillatory potentials, and the photopic b-wave is reduced nearly to the levels caused by null alleles. This point mutation causes the protein to have decreased glycosylation and mislocalization to the retinal bipolar cell soma instead of the dendritic tips.

Phenotype Information

Festing Inbred Strain Characteristics: CBA

References

Figueroa CD; Taberner PV. 1994. Pancreatic islet hypertrophy in spontaneous maturity onset obese-diabetic CBA/Ca mice. Int J Biochem 26(10-11):1299-303PubMed: 7851633 MGI: J:23005
Peachey NS; Hasan N; FitzMaurice B; Burrill S; Pangeni G; Karst SY; Reinholdt L; Berry ML; Strobel M; Gregg RG; McCall MA; Chang B. 2017. A MISSENSE MUTATION IN GRM6 REDUCES BUT DOES NOT ELIMINATE MGLUR6 EXPRESSION OR ROD DEPOLARIZING BIPOLAR CELL FUNCTION. J Neurophysiol:jn.00888.2016PubMed: 28490646 MGI: J:240996
Rithidech KN; Cronkite EP; Bond VP. 1999. Advantages of the CBA mouse in leukemogenesis research. Blood Cells Mol Dis 25(1):38-45PubMed: 10349512 MGI: J:53730
Petkov PM; Cassell MA; Sargent EE; Donnelly CJ; Robinson P; Crew V; Asquith S; Haar RV; Wiles MV. 2004. Development of a SNP genotyping panel for genetic monitoring of the laboratory mouse. Genomics 83(5):902-11PubMed: 15081119 MGI: J:89298

Additional References

International Nomenclature Committee. 1952. COMMITTEE on Standardized Nomenclature for Inbred Strains of Mice Cancer Res 12(8):602-13PubMed: 14945054 MGI: J:166288
Xue Y; Shen SQ; Corbo JC; Kefalov VJ. 2015. Circadian and light-driven regulation of rod dark adaptation. Sci Rep 5:17616PubMed: 26626567 MGI: J:239226

Additional - Grm6^nob8 related

Additional - Rmcf^r related

Technical Support

Contact Technical Support

Genotyping Protocols
- End Point Analysis: Crb1^rd8End Point
- MELT: Generic Pde6b Alternate1
- Genotyping resources and troubleshooting
Inbred mouse strains are maintained through sibling (sister x brother) matings; no genotyping required.
Dietary Information
- LabDiet® 5K52 formulation (6% fat)
Breeding Considerations

This strain is a good breeder.
- Additional Breeding and Husbandry Support
Mating System
- Sibling x Sibling
Appearance
- agouti
  Related Genotype: A/A
Citation
When using the CBA/Ca mouse strain in a publication, please include JAX stock #000654 in your Materials and Methods section.

Animal Health Reports

Facility Barrier Level Descriptions

MP24 (High)

Pricing & Availability

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Cryorecovery - Pricing

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We will fulfill your order by providing at least two carriers for each strain ordered. The total number, sex, and genotypes provided will vary, although typically 8 or more animals are provided. Please check genotypes which will be recovered. While the genotypes of all animals produced will be communicated to you prior to scheduling shipment, the genotypes of animals provided may not reflect the mating scheme and genotypes described in the strain description. Animals are typically ready to ship in 11-14 weeks. If a second recovery is required to produce the minimum number of animals, then delivery time would increase to approximately 25 weeks. If we fail to produce animals of the correct genotype, you will not be charged. We cannot guarantee the reproductive success of mice shipped to your facility. If the mice are lost after the first three days (post-arrival) or do not produce progeny at your facility, a new order and fee will be necessary.

Cryorecovery to establish a Dedicated Supply for greater quantities of mice. Mice recovered can be used to establish a dedicated colony to contractually supply you mice according to your requirements. Price by quotation.

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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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Also Known As: CBA Carter J, CBA/Ca

Genetic overview

Research Applications

Base Price

Detailed Description

Development

Selected References

Grm6nob8

Allele Symbol: Grm6nob8

Rmcfr

Allele Symbol: Rmcfr

Disease Terms

Model with phenotypic similarity to human disease where etiologies involve orthologs. Human genes are associated with this disease. Orthologs of those genes appear in the mouse genotype(s).

Research Areas By Genotype

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

Genotype: Grm6nob8 related

Mammalian Phenotype Terms by Genotype

Genotype: Grm6nob8/Grm6nob8CBA/CaJ

vision/eye phenotype

Phenotype Information

References

Additional References

Additional - Grm6nob8 related

Additional - Rmcfr related

Genotyping Protocols

Dietary Information

Breeding Considerations

Mating System

Appearance

Citation

Animal Health Reports

Live Mouse

Cryorecovery - Pricing

Payment Terms and Conditions

The Jackson Laboratory's Genotype Promise

Terms of Use

Licensing Information

JAX® Mice, Products & Services Conditions of Use

No Warranty

Credit for PRODUCTS or SERVICES

Animal Care and Use for SERVICES

No Liability

Grm6^nob8

Allele Symbol: Grm6^nob8

Rmcf^r

Allele Symbol: Rmcf^r

Genotype: Grm6^nob8 related

Genotype: Grm6^nob8/Grm6^nob8
CBA/CaJ

Additional - Grm6^nob8 related

Additional - Rmcf^r related