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Strain Name:

C57BL/6J-Cdh23v-2J/J

Stock Number:

002552

Availability:

Repository- Live

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General Terms and Conditions

Former Name      C57BL/6J-ob-v2J    (Changed: 15-DEC-04 )
Genes & Alleles   Cdh23;   Cdh23v-2J;

Product Information

Strain Details

Type JAX® GEMM® Strain - Coisogenic
Additional information on JAX® GEMM® Strains.
Type JAX® GEMM® Strain - Mutant Strain
Type JAX® GEMM® Strain - Spontaneous Mutation
Mating SystemHeterozygote x Homozygote         (Female x Male)
Specieslaboratory mouse
GenerationN18+N3F4 (06-DEC-07)

Appearance
black, circling
Related Genotype: a/a Cdh23v-2J/Cdh23v-2J

black, unaffected
Related Genotype: a/a Cdh23v-2J/+

Strain Description
Mice homozygous for the waltzer 2J spontaneous mutation (Cdh23v-2J) show the circling, head-tossing, deafness, and hyperactivity typical of the circling mutants. Homozygous mutant mice are very similar to the other waltzer mutants (Cdh23v and Cdh23v-J). Most homozygotes are deaf from birth. Abnormalities of the inner ear include degeneration of the organ of Corti, spiral ganglion, stria vascularis, and saccular macula. Double heterozygotes with shaker-1 (v/+ Myo7ash1/+) are deaf beginning at 3 to 6 months. Double heterozygotes have changes similar to those of the homozygotes in the organ of Corti, stria vascularis, and spiral ganglion, but less severe and with much later onset. Viability and breeding ability are somewhat reduced.

Mammalian Phenotype Terms assigned by genotype

Cdh23v-2J/Cdh23v-2J

        C57BL/6J-Cdh23v-2J/J
  • hearing/vestibular/ear phenotype
  • abnormal ear morphology (J:66698)
    • abnormal cochlear outer hair cell morphology (J:66698)
      • at E18.5, the outer hair cells (OHCs) appear immature
      • abnormal outer hair cell stereociliary bundle morphology (J:66698)
        • at E18.5, the kinocilium is often misplaced from the lateral pole of each cell and the stereocilia, when present, are positioned correctly
        • at P4, all OHCs project stereocilia, but they are present in random clumps instead of a V-shaped pattern
        • absent outer hair cell stereocilia (J:66698)
          • in some cases at E18.5, outer hair cells (OHCs) projected no recognizable stereocilia
        • decreased outer hair cell stereocilia number (J:66698)
          • in some cases at E18.5, outer hair cells (OHCs) projected fewer stereocilia
    • abnormal inner hair cell stereociliary bundle morphology (J:66698)
      • at E18.5, stereocilia of the inner hair cells (IHCs) are positioned correctly, but are in a disorganized line instead of a crescent shape
      • at P4, IHCs remain disorganized
    • abnormal vestibular hair cell stereociliary bundle morphology (J:66698)
      • at P4, stereocilia appear thick and are often fused and disorganized
  • abnormal ear physiology (J:66698)
    • absent brainstem auditory evoked potential (J:66698)
      • mice at 3-4 weeks of age do not return normal waveforms at a sound pressure level of 100 dB
    • absent linear vestibular evoked potential (J:116914)
      • VESPs are absent at the maximum stimulus intensity used
    • circling (J:116914)
  • behavior/neurological phenotype
  • abnormal reflex (J:116914)
    • abnormal drop reflex; mice do not demonstrate expected dorsoflexion and spread out the front paws when quickly lowered from ~20 cm above a table surface, while controls do exhibit this behavior
  • circling (J:116914)
  • impaired swimming (J:116914)
    • mice exhibit poor swimming ability; mice can not maneuver in the water and can not remain at the surface
  • vision/eye phenotype
  • *normal* vision/eye phenotype (J:109546)
    • mice do not exhibit signs of retinal degeneration up to 12 months of age and the melanosomes of the retinal pigment epithelium (RPE) are properly localized
    • abnormal eye electrophysiology (J:109546)
      • electroretinography analysis of mutant retinas show no difference in amlplitudes of a- and b-waves, but the implicit times of both waves are significantly faster from the earliest detectable points
  • nervous system phenotype
  • abnormal cochlear outer hair cell morphology (J:66698)
    • at E18.5, the outer hair cells (OHCs) appear immature
    • abnormal outer hair cell stereociliary bundle morphology (J:66698)
      • at E18.5, the kinocilium is often misplaced from the lateral pole of each cell and the stereocilia, when present, are positioned correctly
      • at P4, all OHCs project stereocilia, but they are present in random clumps instead of a V-shaped pattern
      • absent outer hair cell stereocilia (J:66698)
        • in some cases at E18.5, outer hair cells (OHCs) projected no recognizable stereocilia
      • decreased outer hair cell stereocilia number (J:66698)
        • in some cases at E18.5, outer hair cells (OHCs) projected fewer stereocilia
  • abnormal inner hair cell stereociliary bundle morphology (J:66698)
    • at E18.5, stereocilia of the inner hair cells (IHCs) are positioned correctly, but are in a disorganized line instead of a crescent shape
    • at P4, IHCs remain disorganized
  • abnormal vestibular hair cell stereociliary bundle morphology (J:66698)
    • at P4, stereocilia appear thick and are often fused and disorganized

The following phenotype information may relate to a genetic background differing from this JAX® Mice strain.

Cdh23v-2J/Cdh23+

        mixed
  • hearing/vestibular/ear phenotype
  • absent pinna reflex (J:108877)
    • percentage of animal showing no Preyer reflex in response to the sound stimulus increase from 0% at 1 to 3 months to approximately 30% at 3 to 5 month
  • increased susceptibility to age-related hearing loss (J:108877)
    • percentage of animal showing no Preyer reflex in response to the sound stimulus increase from 0% at 1 to 3 months to approximately 30% at 3 to 5 month
  • behavior/neurological phenotype
  • absent pinna reflex (J:108877)
    • percentage of animal showing no Preyer reflex in response to the sound stimulus increase from 0% at 1 to 3 months to approximately 30% at 3 to 5 month

Gene & Allele Details

Allele Symbol Cdh23v-2J
Allele Name waltzer 2 Jackson
Strain of OriginC57BL/6
Gene Symbol and Name Cdh23, cadherin 23 (otocadherin)
Chromosome 10
Gene Common Name(s) 4930542A03Rik; DFNB12; DKFZp434P2350; FLJ00233; FLJ36499; KIAA1774; KIAA1812; MGC102761; RIKEN cDNA 4930542A03 gene; USH1D; W; age related hearing loss 1; ahl; bob; bobby; bus; bustling; mdfw; modifier of deaf waddler; neuroscience mutagenesis facility, 112; neuroscience mutagenesis facility, 181; neuroscience mutagenesis facility, 252; nmf112; nmf181; nmf252; v; waltzer;
Molecular Note A G-to-A transition at the first nucleotide of intron 32 alters the wild type donor splice site. RT-PCR analysis demonstrated that aberrant transcripts were produced from this allele, and all of these were predicted to introduce a premature stop codon. [J:66698]

Control Information

  Control
   Heterozygote from the colony
 
  Considerations for Choosing Controls

Related Strains

Strains carrying other alleles of Cdh23
001137   129P1/ReJ
000690   129P3/J
002065   129T2/SvEmsJ
000691   129X1/SvJ
000646   A/J
000647   A/WySnJ
003070   ALR/LtJ
003072   ALS/LtJ
002756   B6.CAST-Cdh23Ahl+/Kjn
004502   B6;AKR-Lxl2/J
002432   B6J x B6.C-H2bm1/ByJ-Cdh23v-J/J
001026   BALB/cByJ
000653   BUB/BnJ
005494   C3.129S1(B6)-Grm1rcw/J
000664   C57BL/6J
004764   C57BL/6J-Cdh23v-8J/J
004819   C57BL/6J-Cdh23v-9J/J
003129   C57BL/6J-Epha4rb-2J/J
004820   C57BL/6J-Kcne12J/J
004703   C57BL/6J-Nmf134/J
004811   C57BL/6J-nmf110/J
004812   C57BL/6J-nmf111/J
004747   C57BL/6J-nmf118/J
004656   C57BL/6J-nmf88/J
004391   C57BL/6J-Chr 13A/J/NaJ
004385   C57BL/6J-Chr 7A/J/NaJ
000662   C57BLKS/J
000667   C57BR/cdJ
000668   C57L/J
000669   C58/J
005016   CByJ;B6-Cdh23v-10J/J
000657   CE/J
000670   DBA/1J
001140   DBA/1LacJ
000671   DBA/2J
007048   DBA/2J-Gpnmb+/SjJ
002106   KK/HlJ
000675   LG/J
000676   LP/J
000677   MA/MyJ
001976   NOD/ShiLtJ
002050   NOR/LtJ
000679   P/J
002747   SENCARB/PtJ
002335   SKH2/J
003392   STOCK Crb1rd8/J
000275   V/LeJ
View Strains carrying other alleles of Cdh23     (47 strains)

Animal Health Reports

Room Number           A1

Research Applications

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

Cdh23v-2J related

Developmental Biology Research
Defects in Cell Adhesion Molecules

Mouse/Human Gene Homologs
Usher syndrome, type ID (USH1D)
deafness, autosomal recessive 12 (DFNB12)

Neurobiology Research
Vestibular and Hearing Defects (deafness, nonsyndromic autosomal recessive 12 (DFNB12))

Sensorineural Research
Vestibular and Hearing Defects (deafness, nonsyndromic autosomal recessive 12 (DFNB12))

References

Additional References

Price and Supply Information

Strain Name: C57BL/6J-Cdh23v-2J/J
Stock Number: 002552

Price Details

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Supply Details

Standard SupplyRepository-Live. No age specifications accepted. Colony sized to produce minimal quantities (typically up to 6 mice) upon order receipt; one order per strain. Expected delivery: 1-3 months. Larger quantities or custom orders arranged upon request.
Supply Notes Usually shipped between four and eight weeks of age.
This strain is included in the Mouse Mutant Resource collection.
Genomic DNA is available for this strain from the Mouse DNA Resource.
LicensingSee General Terms and Conditions below  
Control InformationView Control Information in Strain Details.

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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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