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| These Ednrbflex3 mutant mice harbor a loxP-flanked neo cassette upstream of exon 3, as well as a loxP site downstream of exon 3 of the Ednrb (endothelin receptor type B or ET-B receptor) gene and may be useful in generating conditional mutations for studying the role of Ednrb in development of melanocytes, development of neurons and glia of the enteric nervous system, neural crest-derived cells, mesenchymal-derived smooth muscle cells, vasodilation, mitogen signaling and cancer, and human Hirschsprung's disease (HSCR). | |||||||||||
Type Mutant Stock; Targeted Mutation; Additional information on Genetically Engineered and Mutant Mice. Visit our online Nomenclature tutorial. Mating System Homozygote x Homozygote (Female x Male) 24-SEP-09 Species laboratory mouse Generation F?+ (28-JUL-09) Donating Investigator Noah Druckenbrod, University Of Wisconsin Description
Mice heterozygous for this Ednrbflex3 allele are viable and fertile, with a loxP-flanked neo cassette upstream of exon 3, as well as a loxP site downstream of exon 3 of the Ednrb (endothelin receptor type B or ET-B receptor) gene. When bred to mice that express Cre recombinase, the resulting offspring can have one of three resulting genotypes in the cre-expressing tissue(s); only the neo selection cassette deleted, only exon 3 deleted, or both the neo selection cassette and exon 3 deleted. The two latter genotypes are expected to result in a frameshifted transcript that is reported to confer the null phenotype. These mutant mice may be useful in generating conditional mutations for studying the role of Ednrb in development of melanocytes, development of neurons and glia of the enteric nervous system, neural crest-derived cells, mesenchymal-derived smooth muscle cells, vasodilation, mitogen signaling and cancer, and human Hirschsprung's disease (HSCR).Development
A targeting vector was designed to place a loxP-flanked neo cassette upstream of exon 3, as well as a loxP site downstream of exon 3 of the targeted gene. This construct was electroporated into (129X1/SvJ x 129S1/Sv)F1-derived R1 embryonic stem (ES) cells. Correctly targeted ES cells were injected into recipient blastocysts and chimeric males were bred with C57BL/6 females. The resulting Ednrbflex3 mutant mice were then bred to Wnt1-Cre mice (reported to be C57BL/6J genetic background (although they were white); see Stock No. 007807). Double mutant mice were bred together or to Ednrbflex3 single mutant mice for approximately four years prior to arrival at The Jackson Laboratory. Upon arrival, Ednrbflex3 mutant mice were bred to C57BL/6J inbred mice (Stock No. 000664) for at least one generation to confirm the Wnt1-Cre transgene was removed.
| Control | ||
|---|---|---|
| None Available | ||
| Considerations for Choosing Controls | ||
Strains carrying other alleles of Ednrb
000577 B6 x STOCK a Oca2p Hps5ru2 Ednrbs/J 003295 B6;129-Ednrbtm1Ywa/J 000674 I/LnJ 000676 LP/J 000308 SSL/LeJ 004711 STOCK Ednrbs-52Pub 000275 V/LeJ View Strains carrying other alleles of Ednrb (7 strains)
Introduction to Cre-lox technology
View Research Applications
Research Applications
This mouse can be used to support research in many areas including:
Developmental Biology Research
Neural Crest Defects
Mouse/Human Gene Homologs
Hirschsprung disease
Neurobiology Research
Cre-lox System
loxP-flanked Sequences
Research Tools
Cancer Research
Cre-lox System
loxP-flanked Sequences
Developmental Biology Research
Cre-lox System
Genetics Research
Mutagenesis and Transgenesis: Cre-lox System
Internal/Organ Research
Neurobiology Research
| Allele Symbol | Ednrbtm1Nrd | ||
|---|---|---|---|
| Allele Name | targeted mutation 1, Noah Druckenbrod | ||
| Allele Type | Targeted (Floxed/Frt) | ||
| Common Name(s) | Ednrbflex3; | ||
| Mutation Made By | Noah Druckenbrod, University Of Wisconsin | ||
| Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> | ||
| ES Cell Line Name | R1 | ||
| ES Cell Line Strain | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> | ||
| Gene Symbol and Name | Ednrb, endothelin receptor type B | ||
| Chromosome | 14 | ||
| Gene Common Name(s) | ABCDS; AU022549; ETB; ETBR; ETR-b; ETRB; Ednra; HSCR; HSCR2; Sox10m1; expressed sequence AU022549; piebald; s; | ||
| Molecular Note | A floxed neo cassette was placed upstream of exon 3 and an additional loxP site was inserted downstream of exon 3. [MGI Ref ID J:140320] | ||
Genotyping Protocols
Generic Cre Melt Curve Analysis, Melt Curve Analysis
Helpful Links
Genotyping resources and troubleshooting
Druckenbrod NR; Powers PA; Bartley CR; Walker JW; Epstein ML. 2008. Targeting of endothelin receptor-B to the neural crest. Genesis 46(8):396-400. [PubMed: 18693272] [MGI Ref ID J:140320]
Ednrbtm1Nrd relatedDruckenbrod NR; Epstein ML. 2009. Age-dependent changes in the gut environment restrict the invasion of the hindgut by enteric neural progenitors. Development 136(18):3195-203. [PubMed: 19700623] [MGI Ref ID J:152317]
Animal Health Reports
Room Number AX11
Colony Maintenance
Breeding & Husbandry When maintaining a live colony, homozygous mice may be bred together. Mating System Homozygote x Homozygote (Female x Male) 24-SEP-09 Diet Information LabDiet® 5K52/5K67
| Pricing for USA, Canada and Mexico shipping destinations |
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Weeks of Age Price (US dollars $) Gender Genotypes Provided Individual Mouse $160.40 Female or Male Homozygous for Ednrbtm1Nrd
Pairs /Price (US dollars $) Pair Genotype $320.80 Homozygous for Ednrbtm1Nrd x Homozygous for Ednrbtm1Nrd
| Pricing for International shipping destinations |
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Weeks of Age Price (US dollars $) Gender Genotypes Provided Individual Mouse $208.60 Female or Male Homozygous for Ednrbtm1Nrd
Pairs /Price (US dollars $) Pair Genotype $417.10 Homozygous for Ednrbtm1Nrd x Homozygous for Ednrbtm1Nrd
| Standard Supply | Repository-Live. A collection of over 1000 strains maintained as live colonies. Individual colonies are sized to meet current customer demand. Delivery for orders of 10 mice or less ranges on average from one to eight weeks; mice are generally shipped between four to six weeks of age with a maximum shipping age of approximately nine weeks. Colony sizes do not generally support stringent age specifications for large volumes of mice; however custom orders and larger quantities of mice are easily arranged. Estimated ship dates for all orders provided within two business days following order placement. |
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| Supply Notes |
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| Control | ||
|---|---|---|
| None Available | ||
| Considerations for Choosing Controls | ||
| USA, Canada and Mexico - Control Pricing Information for Genetically Engineered Mutant Strains. | ||
| International - Control Pricing Information for Genetically Engineered Mutant Strains. | ||
Purchasing Information
JAX® Mice Orders
Surgical Services
Contact Information
Orders & Technical Support
Tel: 1-800-422-6423 or 1-207-288-5845
Fax: 1-207-288-6150
Technical Support Email Form
| phone: | 207-288-6470 |
| fax: | 207-288-6655 |
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