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| These Shh::gfp mice harbor a targeted mutation of the Sonic hedgehog (Shh) locus that secretes, after normal Shh processing, a bioactive GFP-tagged Shh signaling ligand (N-Shh::GFPp). These Shh::gfp may be useful to directly visualize the function of Shh ligand in an in vivo context, such as during neural tube patterning. | |||||||||||||||||||
- Description
- Disease & phenotype
- Genes & alleles
- Genotyping
- Health & care
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- Pricing & purchasing
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Description
The genotypes of the animals provided may not reflect those discussed in the strain description or the mating scheme utilized by The Jackson Laboratory prior to cryopreservation. Please inquire for possible genotypes for this specific strain.
Strain Information
Former Names STOCK Shhtm6Amc/J (Changed: 01-JUL-11 ) B6.129X1-Shhtm6Amc/J (Changed: 19-MAR-10 ) Type Mutant Strain; Targeted Mutation; Additional information on Genetically Engineered and Mutant Mice. Visit our online Nomenclature tutorial. Species laboratory mouse Generation N6pN1
Generation DefinitionsDonating Investigator Andrew P McMahon, University of Southern California Description
While mice heterozygous for the Shh::gfp allele are viable, fertile, and indistinguishable from wild-type littermates, homozygotes are stillborn and show developmental defects consistent with reduced Sonic Hedgehog (Shh) signaling. The Shh::gfp mutation has GFP inserted into the endogenous Shh processing site (and adds a new processing site after the GFP). Thus normal Shh processing leads to secretion of the GFP-tagged Shh signaling ligand (N-Shh::GFPp) instead of wild-type Shh; with N-Shh::GFPp retaining both GFP and lipid modifications post-processing. Biochemical and cellular analysis indicates that Shh::GFP undergoes correct processing to produce active, bi-lipidated signaling peptides. Shh::GFP processing is, however, less efficient and results in reduced levels of Shh::GFP compared with wild-type Shh protein. These Shh::gfp mice produce bioactive, fluorescently labeled Shh from the endogenous Shh locus and may be useful to directly visualize the function of Shh ligand in an in vivo context, such as during neural tube patterning. In addition, these mice may also be useful in conjunction with other Sonic Hedgehog (Shh) mutant strains including Shh knockout mice (Stock No. 003318), Shh-floxed mice (Stock No. 004293), Shh-GFP/cre mice (Stock No. 005622), and Shh-creERT2 mice (Stock No. 005623).Development
A targeting vector was designed to replace the endogenous intein cleavage-cholesterol attachment site (Shh processing site) in exon 3 of the targeted gene with a Green Fluorescent Protein (GFP) followed by a new intein cleavage-cholesterol attachment site (Shh processing site), as well as insert a frt-flanked PGK-Neo cassette in intron 2. The donating investigator reports that this construct was microinjected into 129X1/SvJ-derived AV3 embryonic stem (ES) cells, correctly targeted ES cells were injected into recipient blastocysts, and chimeric mice were bred to C57BL/6 inbred mice to generate Shh::gfp mice. These Shh::gfp mice were reported to have been bred with C57BL/6 mice for a small number generations prior to sending to The Jackson Laboratory Repository in 2008 (see SNP notes below). Upon arrival, these mice were bred to C57BL/6J inbred mice (Stock No. 000664) to establish the colony. Over the next two years, the colony was backcrossed to C57BL/6J and/or wildtype mice from the colony for several additional generations. By March 2011, the colony was found to be ~96% C57BL/6 genetic background by SNP analysis (see SNP notes below).In 2009, a 27 SNP (single nucleotide polymorphism) panel analysis performed on the rederived living colony at The Jackson Laboratory Repository. This revealed 16 markers (across several different chromosomes) that were not C57BL/6 allele-type. These data suggest the strain was sent to The Jackson Laboratory Repository with multiple sources of genetic background contamination (more than 129 genetic background).
In 2011, a 32 SNP (single nucleotide polymorphism) panel analysis, with markers covering all 19 chromosomes and the X chromosome, was performed on the colony at The Jackson Laboratory Repository. This revealed one marker on chromosome 1 (~89.1 Mbp) that was not fixed for C57BL/6 allele-type (e.g.: still segregating for 129X1 allele-type).
Related Strains
Fluorescent Protein Strains
View Fluorescent Protein Strains (357 strains)
000214 B10.D2/nSn-ShhHx/J 005623 B6.129S6-Shhtm2(cre/ERT2)Cjt/J 005622 B6.Cg-Shhtm1(EGFP/cre)Cjt/J 004293 B6;129-Shhtm2Amc/J 011031 B6;129S4-Shhtm1.1Rseg/J 003318 STOCK Shhtm1Amc/J
Additional Web Information
Fluorescent Proteins/lacZ Systems
Phenotype
Phenotype Information
- Potential model based on gene homology relationships. Phenotypic similarity to the human disease has not been tested. Holoprosencephaly 3; HPE3 (SHH)
Microphthalmia, Isolated, with Coloboma 5; MCOPCB5 (SHH)
Schizencephaly (SHH)
Solitary Median Maxillary Central Incisor; SMMCI (SHH)
assigned by genotype
The following phenotype information may relate to a genetic background differing from this JAX® Mice strain.
Shhtm6Amc/Shhtm6Amc
Background Not Specified
- mortality/aging
- partial lethality throughout fetal growth and development
This mouse can be used to support research in many areas including:
GFP relatedDevelopmental Biology Research
Embryonic Lethality (Homozygous)
Limb Patterning Defects
Neural Tube Defects
Skeletal Defects
Neurobiology Research
Fluorescent protein expression in neural tissue
Research Tools
Fluorescent Proteins
Research Tools
Fluorescent Proteins
Genes & Alleles
Gene & Allele Information provided by MGI
| Allele Symbol | Shhtm6Amc | ||
|---|---|---|---|
| Allele Name | targeted mutation 6, Andre P McMahon | ||
| Allele Type | Targeted (Reporter) | ||
| Common Name(s) | Shh::GFP; | ||
| Mutation Made By | Andrew McMahon, University of Southern California | ||
| Site of Expression | early neuronal precursors | ||
| Expressed Gene | GFP, Green Fluorescent Protein, jellyfish | ||
| Green Fluorescent Protein (GFP), derived from the jellyfish Aequorea victoria, is a versatile reporter molecule which has found use in many biological applications. In some constructs the original molecule has been modified in order to enhance its fluorescence intensity (EGFP, enhanced GFP). When utilized in a transgenic construct, tissue expressing sufficient amounts of GFP will fluoresce when exposed to a 488 nm light source. | |||
| Molecular Note | A GFP cassette was inserted into exon 3 and an frt-flanked neo cassette was inserted between exon 2 and 3. The presence of the fusion protein and the absence of the endogenous product was confirmed by western blot analysis on E9.5 embryo extracts. Thisallele produces functional albeit inefficient protein product. [MGI Ref ID J:132152] | ||
| Gene Symbol and Name | Shh, sonic hedgehog | ||
| Chromosome | 5 | ||
| Gene Common Name(s) | Dsh; HHG1; HLP3; HPE3; Hhg1; Hx; Hxl3; M100081; MCOPCB5; SMMCI; TPT; TPTPS; hedgehog gene 1; hemimelic extra toes; hemimelic extratoes like 3; short digits; | ||
Genotyping
Genotyping Information
Genotyping Protocols
Shhtm6Amc, Standard PCR
Helpful Links
Genotyping resources and troubleshooting
References
References provided by MGI
Selected Reference(s)
Chamberlain CE; Jeong J; Guo C; Allen BL; McMahon AP. 2008. Notochord-derived Shh concentrates in close association with the apically positioned basal body in neural target cells and forms a dynamic gradient during neural patterning. Development 135(6):1097-106. [PubMed: 18272593] [MGI Ref ID J:132152]
Health & husbandry
The genotypes of the animals provided may not reflect those discussed in the strain description or the mating scheme utilized by The Jackson Laboratory prior to cryopreservation. Please inquire for possible genotypes for this specific strain.
Health & Colony Maintenance Information
Animal Health Reports
Production of mice from cryopreserved embryos or sperm occurs in a maximum barrier room, G200.Colony Maintenance
Breeding & Husbandry When maintaining a live colony, heterozygous mice may be bred together or to wildtype littermates.
Pricing and Purchasing
Pricing, Supply Level & Notes, Controls
| Pricing for USA, Canada and Mexico shipping destinations |
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Cryopreserved
Cryopreserved Mice - Ready for Recovery
Animals Provided
Price (US dollars $) Cryorecovery* $1980.00 At least two mice that carry the mutation (if it is a mutant strain) will be provided. Their genotypes may not reflect those discussed in the strain description. Please inquire for possible genotypes and see additional details below.
Standard Supply
Cryopreserved. Ready for recovery. Please refer to pricing and supply notes on the strain data sheet for further information.
Supply Notes
- Cryorecovery - Standard.
Progeny testing is not required.
The average number of mice provided from recovery of our cryopreserved strains is 10. The total number of animals provided, their gender and genotype will vary. We will fulfill your order by providing at least two pair of mice, at least one animal of each pair carrying the mutation of interest. Please inquire if larger numbers of animals with specific genotype and genders are needed. Animals typically ship between 11 and 14 weeks from the date of your order. If a second cryorecovery is needed in order to provide the minimum number of animals, animals will ship within 25 weeks. IMPORTANT NOTE: The genotypes of animals provided may not reflect the mating scheme utilized by The Jackson Laboratory prior to cryopreservation, or that discussed in the strain description. Please inquire about possible genotypes which will be recovered for this specific strain. The Jackson Laboratory cannot guarantee the reproductive success of mice shipped to your facility. If the mice are lost after the first three days (post-arrival) or do not produce progeny at your facility, a new order and fee will be necessary.Cryorecovery to establish a Dedicated Supply for greater quantities of mice.
Mice recovered can be used to establish a dedicated colony to contractually supply you mice according to your requirements. Price by quotation. For more information on Dedicated Supply, please contact JAX® Services, Tel: 1-800-422-6423 (from U.S.A., Canada or Puerto Rico only) or 1-207-288-5845 (from any location).
| Pricing for International shipping destinations |
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Cryopreserved
Cryopreserved Mice - Ready for Recovery
Animals Provided
Price (US dollars $) Cryorecovery* $2574.00 At least two mice that carry the mutation (if it is a mutant strain) will be provided. Their genotypes may not reflect those discussed in the strain description. Please inquire for possible genotypes and see additional details below.
Standard Supply
Cryopreserved. Ready for recovery. Please refer to pricing and supply notes on the strain data sheet for further information.
Supply Notes
- Cryorecovery - Standard.
Progeny testing is not required.
The average number of mice provided from recovery of our cryopreserved strains is 10. The total number of animals provided, their gender and genotype will vary. We will fulfill your order by providing at least two pair of mice, at least one animal of each pair carrying the mutation of interest. Please inquire if larger numbers of animals with specific genotype and genders are needed. Animals typically ship between 11 and 14 weeks from the date of your order. If a second cryorecovery is needed in order to provide the minimum number of animals, animals will ship within 25 weeks. IMPORTANT NOTE: The genotypes of animals provided may not reflect the mating scheme utilized by The Jackson Laboratory prior to cryopreservation, or that discussed in the strain description. Please inquire about possible genotypes which will be recovered for this specific strain. The Jackson Laboratory cannot guarantee the reproductive success of mice shipped to your facility. If the mice are lost after the first three days (post-arrival) or do not produce progeny at your facility, a new order and fee will be necessary.Cryorecovery to establish a Dedicated Supply for greater quantities of mice.
Mice recovered can be used to establish a dedicated colony to contractually supply you mice according to your requirements. Price by quotation. For more information on Dedicated Supply, please contact JAX® Services, Tel: 1-800-422-6423 (from U.S.A., Canada or Puerto Rico only) or 1-207-288-5845 (from any location).
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Standard Supply
Cryopreserved. Ready for recovery. Please refer to pricing and supply notes on the strain data sheet for further information.
General Supply Notes
- Genomic DNA is available for this strain from the Mouse DNA Resource.
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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.Ordering Information
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