This widely used general purpose strain is the only CBA substrain that carries the Pde6brd1 mutation, which causes blindness by wean age. Renal tubulointerstitial lesions have been observed in this strain at a high frequency. Some CBA/J mice spontaneously develop exocrine pancreatic insufficiency syndrome. Research includes immunology and inflammation, metabolism, hearing and cochlear function, infectious disease, and fetal development.Read More +
This strain is homozygous for the retinal degeneration allele Pde6brd1. See article "Genetic Background Effects: Can Your Mice See?", JAX® NOTES Spring 2002, No. 485.
CBA/J inbred mice are widely used as a general purpose strain. CBA/J strain is the only CBA substrain that carries the Pde6brd1 mutation, which causes blindness by wean age. CBA/J mice are not histocompatible with the CBA/CaJ (Stock No. 000654) substrain (Green and Kaufer, 1965).
The CBA/J inbred mouse strain is used to study granulomatous experimental autoimmune thyroiditis (G-EAT), are relatively resistant to diet-induced atherosclerosis (Paigen et al. 1990), and develop a mild hearing loss late in life, with most of the hearing loss occurring in the higher frequencies (Sweet et al. 1988). Renal tubulointerstitial lesions have been observed in this strain at a high frequency (Rudofsky 1978). Some CBA/J mice spontaneously develop exocrine pancreatic insufficiency syndrome (Eppig and Leiter 1977, Leiter et al. 1977).
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. CBA was selected for a low incidence of mammary tumors. Strong sent the CBA mice to Andervont in 1947. Andervont sent the CBA mice to The Jackson Laboratory in 1948.
|Allele Name||B pertussis induced histamine sensitization, resistant|
|Gene Symbol and Name||Hrh1, histamine receptor H1|
|Strain of Origin||C3H/HeJ or CBA/J|
|General Note||Mice homozygous for this allele do not die from hypotensive and hypovolemic shock induced by vasoactive amine challenge after pertussis toxin sensitization (J:77938).|
|Molecular Note||This allele confers resistance to Bordetella pertussis induced histamine sensitization and occurs in strains C3H/HeJ and CBA/J. These strains carry three concordant amino acid changes in the predicted protein sequence (L263P, M313V and S331P) that are in the third intracellular loop and are postulated to be associated with signal transduction function.|
|Allele Name||myxovirus susceptibility 2|
|Gene Symbol and Name||Mx1, MX dynamin-like GTPase 1|
|Strain of Origin||multiple strains|
|General Note|| |
The Mx genes determine resistance to the lethal effects of various myxoviruses including neurotropic avian influenza A virus injected intracerebrally, pneumotropic strains injected intranasally, and a hepatotropic strain injected intraperitoneally (J:5645, J:13136). Resistance is not dependent on presence of the thymus and is not abolished by immunosuppression or by inhibitors of macrophage function (J:5735, J:5478, J:5645). Resistance is specific for the orthomyxoviruses (J:6265). It is dependent on the presence of interferon-alpha and -beta but not -gamma (J:7365).
The resistance allele at the Mx1 locus, under induction by alpha/beta interferon, produces the 75 kDa protein MX-1, which confers resistance to the influenza virus, in the nuclei of cells carrying the allele. Susceptibility alleles do not produce the protein (J:8273). The protein is located in the nucleus (J:7703) and produces its antiviral effect by preventing synthesis of viral mRNA in the nucleus (J:7992). Nuclear localization is necessary for anti-influenza virus activity (J:1417), but mutations induced in Mx1 showed that nuclear position was not sufficient for the effect; mutations in several domains can cause its loss (J:11840). The MX-1 protein is a GTPase containing a GTP binding domain (J:1417) and this binding core is also necessary (J:21243).
Resistance is expressed by macrophages and other cells in vitro (J:6649, J:5940) but could not be transferred to susceptible animals by transfer of macrophages from resistant mice (J:6149).
Resistance to infection with two tick-borne viruses, Thogoto virus (J:8273) and Dhori virus (J:27760), is also conferred by Mx1r.
The Mx1r allele occurs only in strains A2G, SL/NiA, and T9, the latter being a strain derived from an influenza-resistant wild stock, and CAST/Ei, derived from Mus musculus castaneus. Most inbred strains, including C57BL/6J, C3H/HeJ, and BALB/cJ, carry an influenza susceptible Mx1s1 allele which produces mRNA lacking exons 9, 10, and 11 of the Mx1r allele. This large deletion apparently renders the protein incapable of providing resistance to influenza. The CBA/J, CE/J, I/LnJ, and PERA/Ei strains, also susceptible to the virus, have another form of the Mx1s2 allele in which there is a nonsense mutation (J:9452).
Interferon is induced by viral infection and in turn induces the Mx protein (J:7703). Although some interferon-induced genes respond directly to virus invasion as well as indirectly through induction by virus-induced interferon, this primary response is very weak for the MX-1 protein in response to either influenza or Newcastle disease viruses (J:1892).
|Molecular Note||CBA/J, CE/J, I/LnJ and PERA/Ei strains have a nonsense mutation that results in a null allele and susceptibility to myxoviruses.|
|Allele Name||b-2 variant|
|Allele Type||Not Applicable|
|Allele Synonym(s)||Ahb-2; Ahh|
|Gene Symbol and Name||Ahr, aryl-hydrocarbon receptor|
|Strain of Origin||BALB/cBy|
|General Note||C57BL/6 carries the responsive Ahrb allele; DBA/2 carries nonresponsive Ahrd. Heterozygotes (Ahrb/Ahrd) are responsive (J:5282). Later work identified a second (J:8895) and later a third (J:22144) allele conferring response. Thus the allele in C57, C58, and MA/My strains is now Ahrb-1; Ahrb-2 is carried by BALB/cBy, A, and C3H; and Ahrb-3 by Mus spretus, M. caroli, and MOLF/Ei. The nonresponsive strains AKR, DBA/2, and 129 carry Ahrd (J:22144). Nucleotide and amino acid sequence differences between Ahrb-1 and Ahrd have been determined (J:17460). |
Strain of origin - this allele was found in BALB/cByJ, A/J, C3H/HeJ, CBA strains
|Molecular Note||This allele encodes a high affinity, heat labile, 104 kDa receptor containing 848 amino acids. Sequencing studies of cDNA from C57BL/6J congenic mice homozygous for this allele identified nucleotide substitutions in the ORF that would cause 5 amino acid differences between the C57BL/6J and BALB/cBy peptides, and 2 amino acid differences between the BALB/cBy and DBA/2J peptides. A T to C transition in exon 11 replaces the opal termination codon in the C57BL/6J allele with an arginine codon in the BALB/cBy allele. This change would extend translation of the BALB/cBy mRNA by 43 amino acids, accounting for the larger size of the peptide produced by this allele (104 kDa, vs 95 kDa for the C57BL/6J allele).|
|Allele Name||a variant|
|Allele Type||Spontaneous (Not Applicable)|
|Allele Synonym(s)||CD5.1; Ly-1.1|
|Gene Symbol and Name||Cd5, CD5 antigen|
|Strain of Origin||multiple strains|
|Molecular Note||Sequence analysis of C3H/HeJ showed that this polymorphic variant has point mutations relative to the b variant that result in valine instead of isoleucine at amino acid 9, leucine instead of glutamine at amino acid 52, and isoleucine instead of phenylalanine at amino acid 71, all within the amino terminal scavenger receptor cysteine-rich D1 domain, in addition to 7 silent point mutations. This allele is found in many inbred strains including CBA/J, C3H and DBA substrains.|
|Allele Name||retinal degeneration 1|
|Allele Synonym(s)||Pdebrd1; rd; rd1; rd-1; rodless retina|
|Gene Symbol and Name||Pde6b, phosphodiesterase 6B, cGMP, rod receptor, beta polypeptide|
|Strain of Origin||various|
|General Note||The following inbred strains are known to be homozygous for Pde6b |
|Molecular Note||Two mutations have been identified in rd1 mice. A murine leukimia virus (Xmv-28) insertion in reverse orientation in intron 1 is found in all mouse strains with the rd1 phenotype. Further, a nonsense mutation (C-to-A transversion) in codon 347 that results in a truncation eliminating more than half of the predicted encoded protein, including the catalytic domain, has been identified in all rd1 strains of mice. A specific degradation of mutant transcript during or after pre-mRNA splicing is suggested.|
|Allele Type||Not Applicable (Not Specified)|
|Gene Symbol and Name||Cox7a2l, cytochrome c oxidase subunit 7A2 like|
|Strain of Origin||multiple strains|
|General Note||Querying the sequences of the Sanger Mouse Genomes Project reveals that the short allele with its 6 bp deletion exists in C57BL/6J, C57BL/10J, C57BL/6NJ, C58/J, BALB/cJ, C3H/HeH, 129S5/SvEvBrd, NZW/LacZ, and SEA/GnJ, but the long allele lacking the deletion exists in 129S1/SvImJ, A/J, AKR/J, BTBR T+ Itpr3tf/J, BUB/BnJ, C3H/HeJ, C57BR/cdJ, C57L/J, CAST/EiJ, CBA/J, DBA/1J, DBA/2J, FVB/NJ, I/LnJ, KK/HiJ, LEWES/EiJ, LP/J, MOLF/EiJ, NOD/ShiLtJ, NZB/BlNJ, NZO/HlLtJ, PWK/PhJ, RF/J, SPRET/EiJ, ST/bJ, WSB/EiJ, ZALENDE/EiJ.|
|Molecular Note||This allele encodes the long isoform with 113 amino acids. It is found in 129S2/SvPasCrl, CBA/CaOlaHsd, Hsd:ICR, and NZB/OlaHsd.|
Older mice are prone to seizures.
When using the CBA/J mouse strain in a publication, please include JAX stock #000656 in your Materials and Methods section.
Volume Pricing Program
Quantities: Volume pricing is automatically applied when a minimum quantity per strain for a shipment is reached
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This strain is available from some international Charles River (CR) breeding facilities in Japan and/or Europe. For more information, see the Worldwide Distributor List for JAX® Mice.
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