AKR mice are useful in cancer, immunology, and metabolism research.
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Originally inbred at the Rockefeller Institute, AKR mice are widely used in cancer research for their high leukemia incidence (60-90%) and in immunology as a source of the Thy1.1 (theta AKR) antigen. AKR/J mice are viremic from birth, and express the ecotropic retrovirus AKV in all tissues. The hair interior defect (hid) mutation, a strain characteristic of AKR mice, causes alterations in hair development that is only evident microscopically. Adrenocortical lipid depletion (ald) in AKR mice is caused by a mutation in sterol O-acyltransferase 1 (Soat1), and leads to a truncated SOAT1 protein. AKR/J mice are relatively resistant to aortic lesion formation on a semi-synthetic high fat diet and are hyporesponsive to diets containing high levels of fat and cholesterol.
Allele Name | adrenocortical lipid depletion |
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Allele Type | Spontaneous |
Allele Synonym(s) | Acact-; ald; hid; Soat1hid |
Gene Symbol and Name | Soat1, sterol O-acyltransferase 1 |
Gene Synonym(s) | |
Strain of Origin | AKR/O |
Chromosome | 1 |
General Note | All AKR sublines are homozygous for Soat1 |
Molecular Note | Deletion of 118 bp in the a Soat1 mRNA. This region corresondes to the 5'UTR and the initial coding sequences. In addition, two missense mutations were observed: A1248G resulting in Ile to Val at amino acid 147 and C1422T resulting in His to Tyr at amino acid 205. Other nucleotide differences were observed that did not result in amino acid changes. A truncated protein is expressed from this allele, presumably due to internal initiation. |
Allele Name | AKR/J |
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Allele Type | QTL |
Allele Synonym(s) | |
Gene Symbol and Name | Obq3, obesity QTL 3 |
Gene Synonym(s) | |
Strain of Origin | AKR/J |
Chromosome | 2 |
General Note | Obq3 exhibits an additive mode of inheritance. |
Molecular Note | This allele confers increased adiposity in male animals compared to C57L/J. |
Allele Name | d variant |
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Allele Type | Not Applicable |
Allele Synonym(s) | ah; Ahd; Ahk; Ahhn; AhRd; in |
Gene Symbol and Name | Ahr, aryl-hydrocarbon receptor |
Gene Synonym(s) | |
Strain of Origin | Not Applicable |
Chromosome | 12 |
General Note | Strain of origin - this allele was found in DBA/2J, AKR/J, 129, SWR, RF, NZB strains |
Molecular Note | This allele encodes a 104 kDa receptor that is stabilized by molybdate and has an affinity for ligand 10-100 fold lower than that of the receptor produced by the C57BL/6J allele. PCR sequencing of cDNA revealed ten nucleotide differences between the coding sequences of the DBA/2J and C57BL/6J receptors. Five of the ten differences would cause amino acid changes. One of these, an apparent T to C transition replaces the opal termination codon in the C57BL/6J allele with an arginine codon in the DBA/2J allele. This change would extend translation of the DBA/2J 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). A second T to C transition changes a leucine codon in the C57BL/6J allele to a proline codon in the DBA/2J allele, and would likely change secondary structure of the peptide and thus ligand affinity. |
Allele Name | deficient |
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Allele Type | Spontaneous |
Allele Synonym(s) | C5-; C5-d; C5-def; C5-deficient; HcHfib2; hco |
Gene Symbol and Name | Hc, hemolytic complement |
Gene Synonym(s) | |
Strain of Origin | multiple strains |
Chromosome | 2 |
General Note | This is an allele characteristic of various inbred mouse strains including the following: A/HeJ, A/J, AKR/J, DBA/2J, NZB/B1NJ, SWR/J, B10.D2/oSnJ Hc was identified as a candidate gene for Abhr2 in a microarray analysis of lung mRNA from A/J, C3H/HeJ, and (A/J x C3H/HeJ)F1 x A/J backcross animals. Hc genotype shows statistically significant correlation to allergen-induced bronchial hyperresponsive phenotype. The A/J allele contains a 2 bp deletion resulting in deficient Hc mRNA and protein production and is associated with susceptibility to allergen-induced bronchial hyperresponsiveness. (J:108211) |
Molecular Note | A 2 base "TA" deletion at positions 62 and 63 of an 83 base pair exon near the 5' end of the gene is found in the following mouse strains: A/HeJ, A/J, AKR/J, DBA/2J, I/LnJ, KK/HlJ, MOLF/EiJ, NZB/B1NJ, RF/J, ST/bJ SWR/J, B10.D2/oSnJ. The consequence of this deletion is the creation of a stop codon starting four bases after the deletion. A truncated product of 216 amino acids is predicted as a result although contradictory reports exist that a larger pro-C5 protein may be synthesized. Nevertheless, macrophages from mouse strains carrying this allele do not secrete complement 5. |
Allele Name | age related hearing loss 1 |
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Allele Type | Spontaneous |
Allele Synonym(s) | Cdh23753A; mdfw |
Gene Symbol and Name | Cdh23, cadherin 23 (otocadherin) |
Gene Synonym(s) | |
Strain of Origin | multiple strains |
Chromosome | 10 |
Molecular Note | Genetic complementation tests have shown allelism between the mdfw (modifier of deaf waddler) locus and the ahl locus. Further analysis has shown this is caused by a G to A transition at coding nucleotide position 753 of Cdh23 (SNP rs257098870). This hypomorphic allele changes splice donor site G-GT to A-GT, causing frame skipping of exon 7. This is predicted to delete part of the 2nd and 3rd ectodomains and cause reduced message stability. Twenty-seven strains classified with ahl and carrying the 753A allele include: CD-1, RBF/DnJ, PL/J, AKR/J, RF/J, BALB/cBy, A/WySnJ, P/J, SENCARA/PtJ, DBA/1J, ALS/LtJ, C58/J, C57BLKS/J, 129P1/ReJ, C57BR/cd, SKH2/J, BUB/Bn, MA/MyJ, LP/J, 129X1/SvJ, NOR/LtJ, A/J, C57BL/6, NOD/LtJ, DBA/2J, ALR/LtJ, C57L/J. Strains classified with ahl that DO NOT carry this mutation include: 129S1/SvImJ, C3H/HeSnJ, I/LnJ, YBR/Ei, MRL/MpJ. |
Allele Name | mutation 1 |
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Allele Type | Spontaneous |
Allele Synonym(s) | Il3raA/J; Il3ran |
Gene Symbol and Name | Il3ra, interleukin 3 receptor, alpha chain |
Gene Synonym(s) | |
Strain of Origin | multiple strains |
Chromosome | 14 |
General Note | This allele has been identified in A/J, A/WySnJ, A/HeJ, C58/J, RF/J, AKR/J, SM/J, BUB/BnJ, CE/J, and NZB/B1NJ. see J:24918. |
Molecular Note | Sequence analysis revealed A/J mice lack the sequence corresponding to exon 8, which encodes 10 amino acid residues in the extracellular domain. Aberrant splicing was due to a 5 base pair deletion at the branch point in intron 7. |
Allele Name | MCF sensitive |
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Allele Type | Spontaneous |
Allele Synonym(s) | |
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 Rmcfr determines resistance and occurs in strains DBA/1, DBA/2, and CBA/Ca; the allele Rmcfs 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). Rmcfr 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 Sxvs/Sxvr 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, Rmcfr 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 Rmcfr allele contains an endogenous MCF gp70 env gene and that the Rmcfs 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 recessive s (susceptible) allele is found in AKR/J, C57BL/6, BALB/c, CBA/J, NFS, NZB and 129/J. |
Allele Name | mutation 1 |
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Allele Type | Spontaneous (Not Applicable) |
Allele Synonym(s) | OGG1-R336H |
Gene Symbol and Name | Ogg1, 8-oxoguanine DNA-glycosylase 1 |
Gene Synonym(s) | |
Strain of Origin | various |
Chromosome | 6 |
Molecular Note | A G-to-A change at the fifty-ninth nucleotide in exon 7 resulted in a substitution of arginine with histidine at position 336 (p.R336H) in a putative nuclear localization signal. The mutation led to disruption of the nuclear localization of the enzyme, although the activity remained normal. |
Allele Name | b variant |
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Allele Type | Spontaneous (Not Applicable) |
Allele Synonym(s) | CD5.2; Ly-1.2 |
Gene Symbol and Name | Cd5, CD5 antigen |
Gene Synonym(s) | |
Strain of Origin | multiple strains |
Chromosome | 19 |
Molecular Note | This variant is found in many inbred strains including C57BL/6J, C58/J, AKR/J, SJL/J, SWR. Sequence analysis shows that relative to the a variant of C3H/HeJ the b variant has point mutations that result in isoleucine instead of valine at amino acid 9, glutamine instead of leucine at amino acid 52, and phenylalanine instead of isoleucine at amino acid 71, all within the amino terminal scavenger receptor cysteine-rich D1 domain, in addition to 7 silent point mutations. |
Allele Name | myxovirus susceptibility 1 |
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Allele Type | Spontaneous (Null/Knockout) |
Allele Synonym(s) | |
Gene Symbol and Name | Mx1, MX dynamin-like GTPase 1 |
Gene Synonym(s) | |
Strain of Origin | multiple strains |
Chromosome | 16 |
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 | Many inbred mouse strains have an exon 9 to 11 deletion, resulting in a null allele and susceptibility to myxoviruses, including: A/J, ABP/Le, AKR/J, AU/SsJ, BALB/cJ, BDP/J, BUB/BnJ, C3H/HeJ, C57BL/6J, C57BL/10J, C57BL/KsJ, C57L/J, C58/J, DA/HuSn, DBA/2J, FSB/GnEi, FVB/NJ, LIS/A, LP/J, MA/MyJ, MAS/A, NZB/BINJ, P/J, PL/J, RIIIS/J, RF/J, SEA/GnJ, SEC1/ReJ, SJL/J, ST/bJ, TS1/A, TW1/A. YBR/Ei, 020/A, 129/J, SF/CamEi and SK/CamEi. |
Allele Name | long |
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Allele Type | Not Applicable (Not Specified) |
Allele Synonym(s) | SCAF1113 |
Gene Symbol and Name | Cox7a2l, cytochrome c oxidase subunit 7A2 like |
Gene Synonym(s) | |
Strain of Origin | multiple strains |
Chromosome | 17 |
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. |
Allele Name | mutation 1 |
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Allele Type | Spontaneous (Not Applicable) |
Allele Synonym(s) | Tyro3R7Y |
Gene Symbol and Name | Tyro3, TYRO3 protein tyrosine kinase 3 |
Gene Synonym(s) | |
Strain of Origin | various |
Chromosome | 2 |
Molecular Note | A single C-to-T transition in the signal sequence causes an arginine to tryptophan substitution at amino acid 13 (p.R13W). |
When using the AKR mouse strain in a publication, please include JAX stock #000648 in your Materials and Methods section.
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