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Strain Name:

LP/J

Stock Number:

000676

Availability:

Level 3

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General Terms and Conditions

Genes & Alleles   Cdh23;   Cdh23ahl;   Disc1;   Disc1del;   Ednrb;   Ednrbs;

Product Information

Strain Details

Type Inbred Strain
Additional information on Inbred Strains.
Mating SystemSibling x Sibling         (Female x Male)
Specieslaboratory mouse
H2 Haplotypebc (see, Fischer Lindahl K 1997)
GenerationF194 (03-JAN-08)

Appearance
white-bellied agouti, piebald
Related Genotype: Aw/Aw Ednrbs/Ednrbs

Important Note
This strain is homozygous for Cdh23ahl, the age related hearing loss 1 mutation, which on this background results in progressive hearing loss with onset after 10 months of age.

Strain Description
LP/J mice display a high susceptibility to audiogenic seizures. This strain is also reported to have a fairly high incidence of tumors that develop later in life, including mammary tumors, lymphoma, lung and soft-tissue sarcomas. LP/J mice are also homozygous for the spontaneous mutation piebald in the endothelin receptor type B gene (Ednrbs). The piebald spontaneous mutation is the result of a mutation in the endothelin receptor type B gene, Ednrb. Mice show irregular white spotting, the amount of which is greatly influenced by minor modifying genes. They also have dark eyes. The white areas of the coat are completely lacking in neural crest-derived melanocytes, and there is a reduction in the number of melanocytes in the choroid layer of the eye is reduced.

Gene & Allele Details

Allele Symbol Cdh23ahl
Allele Name age related hearing loss 1
Common Name(s) Cdh23753A; mdfw;
Strain of OriginC57BL/6J
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 Genetic complementation tests have shown allelism between the mdfw (modifier of deaf waddler) locus and the ahl locus. Further analysis has identified an association between ahl and a G to A transition at nucleotide position 753 of Cdh23. This hypomorphic allele causes in frame skipping of exon 7 and reduced message stability. Twenty-seven strains classified with ahl and carrying the 753A allele include: CD1, RBF/DnJ, PL/J, AKR/J, RF/J, BALB/cBy, A/WySnJ, P/J, SENCARA/PtJ, DBA/1J, ALS/LtJ, C58/J, C57BLKS/J, 129/ReJ, C57BR/cd, SKH2/J, BUB/Bn, MA/MyJ, LP/J, 129/ScJ, NOR/LtJ, A/J, C57BL/6, NOD/LyJ, DBA/2J, ALR/LtJ, C57L/J. Strains classified with ahl that DO NOT carry this mutation include: C3H/HeSnJ, I/LnJ,YBR/Ei, MRL/MpJ. [J:86905]
 
Allele Symbol Disc1del
Allele Name deletion
Common Name(s) Disc1129S6;
Strain of Originvarious
Gene Symbol and Name Disc1, disrupted in schizophrenia 1
Chromosome 8
Gene Common Name(s) KIAA0457; SCZD9;
General Note This deletion appears in multiple strains of the 129 superfamily. See J:111837 for details. This deletion has further been identified in the following strains:101/RI, BTBR T+ Tf/J and LP/J J:118317
Molecular Note A 25 bp deletion of the locus causes a frame shift in the reading frame, resulting in 13 novel amino acids and a premature stop codon at exon 7. [J:107244]
 
Allele Symbol Ednrbs
Allele Name piebald
Common Name(s) s;
Strain of Originold mutant of the mouse fancy
Gene Symbol and Name Ednrb, endothelin receptor type B
Chromosome 14
Gene Common Name(s) ABCDS; AU022549; ETB; ETBR; ETRB; Ednra; HSCR; HSCR2; Sox10m1; expressed sequence AU022549; piebald; s;
General Note Also called piebald spotting. This is a very old mutation of the mouse fancy, and was described in the scientific literature as early as 1920 (J23183). Some piebalds in existing stocks may be of independent origin. Homozygotes show irregular white spotting, the amount of which is greatly influenced by minor modifying genes (J:12952). Homozygotes have dark eyes. The white areas of the coat are completely lacking in melanocytes, and there is a reduction in the number of melanocytes in the choroid layer of the eye (J:15014, J:12970). There may also be defects in the structure of the iris, suggesting that pigment cells make some structural or inductive contribution to normal development (J:13123).Homozygotes may develop megacolon which is always associatedwith lack of ganglion cells in the distal portion of the colon. The incidence of megacolon is also affected by minor modifying genes (J:15014). Pigment cells and enteric ganglion cells of the colon are both derived from the neural crest, and Mayer (J:12725) has shown by explantation of embryonic tissues that the defect leading to white spotting is in the neural crest rather than in the skin. The defect probably consists of failure of pigment cells to differentiate in certain tissue environments rather than in failure to migrate (J:5036). The distribution of white areas in the skin and other organs is probably due to normal regional differences in these tissues in capacity to support pigmentation and not to regional heterogeneity among the pigment cells themselves (J:5220, J:5036, J:5060, J:5782).The piebald mutation was shown to be linked closely with Hr (J:299), later mapped to Chr 14 (J:52911). The localization has been refined in studies of induced mutations, using an intersubspecific backcross (J:16291).
Molecular Note This mutation is allelic to a targeted mutation for this gene. Homozygous mice produce approximately 25% of the normal levels of transcript from this allele. RT-PCR analysis demonstrated that no alterations in the coding sequence would result in any alteration of the amino acid sequence. A 5.5 kb retrotransposon-like element is found in intron 1. About 75% of the mRNA produced is an aberrant 6.5 kb form lacking exons 2-6 but containing exon 1. The remaining 25% of the mRNA formed is of normal, 4.4 kb, size. [J:110573] [J:22206] [J:56133]

Colony Maintenance

Diet Information LabDiet® 5K52/5K67

Related Strains

Strains carrying   Cdh23ahl allele
001137   129P1/ReJ
000690   129P3/J
002065   129T2/SvEmsJ
000691   129X1/SvJ
000646   A/J
000647   A/WySnJ
003070   ALR/LtJ
003072   ALS/LtJ
004502   B6;AKR-Lxl2/J
001026   BALB/cByJ
000653   BUB/BnJ
005494   C3.129S1(B6)-Grm1rcw/J
000664   C57BL/6J
004764   C57BL/6J-Cdh23v-8J/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
000657   CE/J
000670   DBA/1J
001140   DBA/1LacJ
000671   DBA/2J
007048   DBA/2J-Gpnmb+/SjJ
002106   KK/HlJ
000675   LG/J
000677   MA/MyJ
001976   NOD/ShiLtJ
002050   NOR/LtJ
000679   P/J
002747   SENCARB/PtJ
002335   SKH2/J
003392   STOCK Crb1rd8/J
View Strains carrying   Cdh23ahl     (41 strains)

Strains carrying   Disc1del allele
001137   129P1/ReJ
000690   129P3/J
001198   129P4/RrRkJ
002448   129S1/SvImJ
002064   129T2/SvEms
002065   129T2/SvEmsJ
000691   129X1/SvJ
002282   BTBR T+ tf/J
View Strains carrying   Disc1del     (8 strains)

Strains carrying   Ednrbs allele
000577   B6 x STOCK a Oca2p Hps5ru2 Ednrbs/J
000308   SSL/LeJ
000275   V/LeJ
View Strains carrying   Ednrbs     (3 strains)

Strains carrying other alleles of Cdh23
002756   B6.CAST-Cdh23Ahl+/Kjn
002432   B6J x B6.C-H2bm1/ByJ-Cdh23v-J/J
002552   C57BL/6J-Cdh23v-2J/J
004764   C57BL/6J-Cdh23v-8J/J
004819   C57BL/6J-Cdh23v-9J/J
005016   CByJ;B6-Cdh23v-10J/J
000275   V/LeJ
View Strains carrying other alleles of Cdh23     (7 strains)

Strains carrying other alleles of Ednrb
003295   B6;129-Ednrbtm1Ywa/J
000308   SSL/LeJ
004711   STOCK Ednrbs-52Pub
View Strains carrying other alleles of Ednrb     (3 strains)

Phenotypic Data

Mouse Phenome Database
Festing Inbred Strain Characteristics: LP

Additional Web Information

Genetic Quality Control Annual Report
JAX Notes, April 1988; 433. H-2 Haplotypes of Mice from Jackson Laboratory Production Colonies.
JAX Notes, Winter 2006; 504. JAX® Mice: the Gold Standard Just Got Better.

Animal Health Reports

Room Number           MP13

Research Applications

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

Cancer Research
Increased Tumor Incidence (Other Tissues/Organs: multiple)

Neurobiology Research
Epilepsy (audiogenic seizures)
Vestibular and Hearing Defects (Age related hearing loss)

Sensorineural Research
Vestibular and Hearing Defects (Age related hearing loss)

Cdh23ahl related

Neurobiology Research
Vestibular and Hearing Defects (Age related hearing loss)

Sensorineural Research
Vestibular and Hearing Defects (Age related hearing loss)

Ednrbs related

Dermatology Research
Color and White Spotting Defects

Developmental Biology Research
Neural Crest Defects
Neurodevelopmental Defects

Mouse/Human Gene Homologs
Hirschsprung disease

Neurobiology Research
Neurodevelopmental Defects
Receptor Defects
Vestibular and Hearing Defects

Sensorineural Research
Vestibular and Hearing Defects

References

Selected Reference(s)

Fischer Lindahl K. 1997. On naming H2 haplotypes: functional significance of MHC class Ib alleles. Immunogenetics 46(1):53-62. [PubMed: 9148789]  [J:41130]

Additional References

Price and Supply Information

Strain Name: LP/J
Stock Number: 000676

Price Details

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Supply Details

Standard SupplyLevel 3. Colony sized for average order of 5-15 mice. Age range recommended. Larger quantities or custom orders arranged upon request.
Supply Notes Shipped at a specific age in weeks. Mice at a precise age in days, littermates and retired breeders are also available.
Strains that must be genotyped are not available until five to seven weeks of age.
Genomic DNA is available for this strain from the Mouse DNA Resource.
LicensingSee General Terms and Conditions below  

General Terms and Conditions

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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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