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| These TetRE-ErbB2 (TRE-ErbB2 or TRE-Neu) transgenic mice express an activated form of the rat ErbB2 regulated by the tetracycline operator (tetO; also called tetracycline-responsive element (TRE, TetRE) or tet-operator) and cytomegalovirus minimal promoter. The amino acid mutation within the transmembrane domain of the ErbB2 receptor protein kinase facilitates its oligomerization and activation independent of a ligand; resulting in hyperplasia in tissues where it is expressed. These TetRE-ErbB2 mice may be useful in generating bi-transgenic mutant mice for the conditional (inducible/reversible) expression of a constitutively active ErbB2 isoform, and may be useful in studying receptor tyrosine kinase function of the EGF receptor (ErbB) family proteins and their extracellular protein ligands (including EGF, TGF-α and neuregulins). | |||||||||||||||||||
Type Mutant Stock; Transgenic; Additional information on Genetically Engineered and Mutant Mice. Visit our online Nomenclature tutorial. Species laboratory mouse Donating Investigator Jeffrey Kudlow, University of Alabama at Birmingham Description
The donating investigator reports that homozygous mice are viable and fertile. These TetRE-ErbB2 (TRE-ErbB2 or TRE-Neu) transgenic mice have expression of an activated form of the rat ErbB2 regulated by the tetracycline operator (tetO; also called tetracycline-responsive element (TRE, TetRE) or tet-operator) and cytomegalovirus minimal promoter. When mated to a mutant strain expressing reverse tetracycline-controlled transactivator protein (rtTA) or tetracycline-controlled transactivator protein (tTA), expression of the constitutively active ErbB2 protein may be regulated with the tetracycline analog doxycycline (dox) in the double mutant offspring. The amino acid mutation within the transmembrane domain of the ErbB2 receptor protein kinase facilitates its oligomerization and activation independent of a ligand; resulting in hyperplasia in tissues where it is expressed. These TetRE-ErbB2 mice may be bred to generate bi-transgenic mutant mice with conditional (inducible/reversible) expression of an activated ErbB2 isoform, and may be useful in studying receptor tyrosine kinase function of the EGF receptor (ErbB) family proteins and their extracellular protein ligands (including EGF, TGF-α and neuregulins).Development
The TetRE-ErbB2 (pTRE-Neu-SV40) transgene was designed with the tetracycline operator (tetO; also called tetracycline-responsive element (TRE, TetRE) or tet-operator) and cytomegalovirus minimal promoter, a 4.8 kb cDNA sequence from the activated form of rat c-neu/erbB2 (ErbB2; with Val to Glu mutation within the transmembrane domain at amino acid 664), and an SV40 intron/polyA sequence. This 6.8 kb transgene was microinjected into one-cell (C57BL/6 x SJL) mouse zygotes. Mice from founder line 8-4 were bred with wildtype sibling mice to establish the colony. The donating investigator reports that TetRE-ErbB2 transgenic mice were bred together, and/or to tTA-transgenic mice (on the same mixed C57BL/6;SJL genetic background) for many generations. Mice harboring only the TetRE-ErbB2 transgene were then sent to The Jackson Laboratory. Upon arrival, transgenic mice were bred with B6SJLF1/J hybrid mice (Stock No. 100012) for at least one generation to establish this colony.
| Control | ||
|---|---|---|
| Noncarrier | ||
| 100012 B6SJLF1/J | (approximate) | |
| Considerations for Choosing Controls | ||
Strains carrying other alleles of Erbb2
005038 FVB-Tg(MMTV-Erbb2)NK1Mul/J 002376 FVB/N-Tg(MMTVneu)202Mul/J View Strains carrying other alleles of Erbb2 (2 strains)
Strains carrying other alleles of tetO
View Strains carrying other alleles of tetO (36 strains)
Tet Expression Systems
View Research Applications
Research Applications
This mouse can be used to support research in many areas including:
Cancer Research
Defects in Cell Adhesion Molecules
Genes Regulating Growth and Proliferation
Growth Factors/Receptors/Cytokines
Increased Tumor Incidence
Adenoma: multiple tissues - induced
Adenomas: lung, induced
Other Tissues/Organs: lung, induced
Skin Cancers: Induced
Cell Biology Research
Defects in Cell Adhesion Molecules
Genes Regulating Growth and Proliferation
Signal Transduction
Transcriptional Regulation
Developmental Biology Research
Defects in Cell Adhesion Molecules
Immunology and Inflammation Research
Growth Factors/Receptors/Cytokines
Intracellular Signaling Molecules
Neurobiology Research
Tet Expression System
tTA/rtTA Responsive Strains
Research Tools
Cancer Research
Tetop Tet System
Cell Biology Research
Genetics Research
Mutagenesis and Transgenesis: Tetop Tet System
Mutagenesis and Transgenesis: transcriptional activation
Neurobiology Research
Tetop Tet System
Reproductive Biology Research
Tetop Tet System
Tet Expression Systems
tTA/rtTA Responsive Strains
| Allele Symbol | Tg(tetO-Erbb2*)8-4Jek | ||
|---|---|---|---|
| Allele Name | transgene insertion 8-4, Jeffrey E Kudlow | ||
| Allele Type | Transgenic (random, expressed) | ||
| Common Name(s) | TRE-ErbB2; TRE-Neu; TetRE-ErbB2; | ||
| Strain of Origin | (C57BL/6 x SJL) | ||
| Expressed Gene | Erbb2, v-erb-b2 erythroblastic leukemia viral oncogene homolog 2, neuro/glioblastoma derived oncogene homolog (avian), rat | ||
| Promoter | tetO, tet operator, | ||
| Molecular Note | The TetRE-ErbB2 (pTRE-Neu-SV40) transgene was designed with the tetracycline operator (tetO; also called tetracycline-responsive element (TRE, TetRE) or tet-operator) and cytomegalovirus minimal promoter, a 4.8 kb cDNA sequence from the activated form ofrat c-neu/erbB2 (ErbB2; with Val to Glu mutation within the transmembrane domain at amino acid 664), and an SV40 intron/polyA sequence. This 6.8 kb transgene was microinjected into one-cell (C57BL/6 x SJL) mouse zygotes. Mice from founder line 8-4 were bred with wildtype sibling mice to establish the colony. [MGI Ref ID J:55970] | ||
This strain will not have a genotyping protocol or one is not currently available.
Helpful Links
Genotyping resources and troubleshooting
Xie W; Chow LT; Paterson AJ; Chin E; Kudlow JE. 1999. Conditional expression of the ErbB2 oncogene elicits reversible hyperplasia in stratified epithelia and up-regulation of TGFalpha expression in transgenic mice. Oncogene 18(24):3593-607. [PubMed: 10380881] [MGI Ref ID J:55970]
Colony Maintenance
Breeding & Husbandry When maintaining a live colony, transgenic carrier mice may be bred with wildtype (noncarrier) siblings. The donating investigator reports that homozygous mice are viable and fertile. B6SJLF1/J mice (Stock No. 100012) are an approximate control.
This strain is currently Under Development for Production.
To register your interest in this strain go to the Strain Interest Form.
Estimated Available for Sale Date:
Please note: Estimated available for sale dates are provided to keep customers better informed on strains under development. Please note that our Colony Managers routinely monitor the target date and edit it based on breeding performance and other factors. The length of time it takes to make a new strain available for sale depends on genotype, age, number of animals sent by the Donating Investigator, breeding performance, additional strain development (backcrossing, making homozygous), and anticipated demand for the strain/interest registered.
View All Strains Under Development and On Hold
| Standard Supply | Under Development for Distribution Colony |
|---|---|
| Supply Notes |
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| Control | ||
|---|---|---|
| Noncarrier | ||
| 100012 B6SJLF1/J | (approximate) | |
| 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. | ||
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