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Former Names B6(CBA)-Tg(Lck-cre)I540Jxm/J (Changed: 02-APR-07 ) Type Congenic; Mutant Strain; Transgenic; Additional information on Genetically Engineered and Mutant Mice. Visit our online Nomenclature tutorial. Additional information on Congenic nomenclature. Species laboratory mouse Generation ?pN1
Generation DefinitionsDonating Investigator Jamey D Marth, Burnham Inst at Univ Calif Santa Barbara Description
Homozygous mice are viable and have no major defects. This transgenic strain expresses Cre recombinase in thymocytes at lower abundance than line 548-O (Stock No. 003802), resulting in sub-stoichiometric recombination and yielding chimeric cell populations in vivo. In contrast, Lck-Cre transgenic line 548-O recombines loxP-flanked alleles specifically in thymocytes at very high efficiency, up to 99+% as compared with other Lck-Cre transgenic lines.Development
The Cre coding sequence derived from pMC-Cre was cloned into p1017. The transgene was isolated from the plasmid and microinjected into the male pronuclei of B6CBAF2 hybrid zygotes prior to implantation into CD1 foster mothers. A founder expressing the transgene was backcrossed to C57BL/6 by the donating laboratory 9-12 times.
Strains carrying other alleles of Lck
019418 B6(Cg)-Tg(Lck-Cd1d1)1Aben/J 002817 B6.129S2-Lcktm1Mak/J 016101 B6.Cg-Il7rtm1Imx Tg(Lck-Il7r)1676Trma/J 013738 B6.Cg-Tg(LCKprBCL2L1)12Sjk/J 012837 B6.Cg-Tg(Lck-cre)3779Nik/J 003802 B6.Cg-Tg(Lck-cre)548Jxm/J 003202 B6;SJL-Tg(CD8aCD8b)57Scr/J 002427 C3H/He-Tg(LCKprBCL2)36Sjk/J 008842 C57BL/6-Tg(Lck-VIPR2)1Ejg/J 003332 C57BL/6-Tg(LckNotch1)9Erob/J 002230 C57BL/6J-Tg(LckIl4)1315Dbl/J 005732 NOD.Cg-Tg(Lck-cre)548Jxm/AchJ View Strains carrying other alleles of Lck (12 strains)
Strains carrying other alleles of cre
View Strains carrying other alleles of cre (394 strains)
Introduction to Cre-lox technology
View Research Applications
Research Applications
This mouse can be used to support research in many areas including:
cre relatedResearch Tools
Cre-lox System
Cre Recombinase Expression
Research Tools
Cre-lox System
Genetics Research
Mutagenesis and Transgenesis
Mutagenesis and Transgenesis: Cre-lox System
| Allele Symbol | Tg(Lck-cre)I540Jxm | ||
|---|---|---|---|
| Allele Name | transgene insertion I540, Jamey Marth | ||
| Allele Type | Transgenic (Cre/Flp) | ||
| Strain of Origin | (C57BL/6 x CBA)F2 | ||
| Site of Expression | Cre recombinase activity is restricted to thymocytes; evidence of activity in spleen is attributed to the presence of thymus-derived T lymphocytes. | ||
| Expressed Gene | cre, cre recombinase, bacteriophage P1 | ||
| Cre recombinase is an enzyme derived from the bacteriophage P1 that specifically recognizes loxP sites. Cre has been shown to effectively mediate the excision of DNA located between loxP sites. After the excision event, the DNA ends recombine leaving a single loxP site in place of the intervening sequence. | |||
| Promoter | Lck, lymphocyte protein tyrosine kinase, mouse, laboratory | ||
| Driver Note | Lck | ||
| Molecular Note | The Cre recombinase coding sequence, modified by addition of a Kozak consensus translation start sequence and nuclear localization signals, was inserted into the p1017 expression vector between the thymocyte-specific, mouse proximal Lck promoter and mostof the human growth hormone gene, extending from within exon 1 through the polyadenylation signal. Cre recombinase activity is restricted to thymocytes; evidence of activity in spleen is attributed to the presence of thymus-derived T lymphocytes. [MGI Ref ID J:67674] [MGI Ref ID J:81268] | ||
| Gene Symbol and Name | Tg(Lck-cre)I540Jxm, transgene insertion I540, Jamey Marth | ||
| Chromosome | UN | ||
Genotyping Protocols
Tg(Lck-cre)I540Jxm, Standard PCR
Helpful Links
Genotyping resources and troubleshooting
Hennet T; Hagen FK; Tabak LA; Marth JD. 1995. T-cell-specific deletion of a polypeptide N-acetylgalactosaminyl-transferase gene by site-directed recombination. Proc Natl Acad Sci U S A 92(26):12070-4. [PubMed: 8618846] [MGI Ref ID J:67674]
Tg(Lck-cre)I540Jxm relatedChaffin KE; Beals CR; Wilkie TM; Forbush KA; Simon MI; Perlmutter RM. 1990. Dissection of thymocyte signaling pathways by in vivo expression of pertussis toxin ADP-ribosyltransferase. EMBO J 9(12):3821-9. [PubMed: 2123451] [MGI Ref ID J:81268]
Chang HC; Han L; Jabeen R; Carotta S; Nutt SL; Kaplan MH. 2009. PU.1 regulates TCR expression by modulating GATA-3 activity. J Immunol 183(8):4887-94. [PubMed: 19801513] [MGI Ref ID J:153816]
Chang HC; Sehra S; Goswami R; Yao W; Yu Q; Stritesky GL; Jabeen R; McKinley C; Ahyi AN; Han L; Nguyen ET; Robertson MJ; Perumal NB; Tepper RS; Nutt SL; Kaplan MH. 2010. The transcription factor PU.1 is required for the development of IL-9-producing T cells and allergic inflammation. Nat Immunol 11(6):527-34. [PubMed: 20431622] [MGI Ref ID J:160612]
Jabeen R; Chang HC; Goswami R; Nutt SL; Kaplan MH. 2011. The transcription factor PU.1 regulates gammadelta T cell homeostasis. PLoS One 6(7):e22189. [PubMed: 21779390] [MGI Ref ID J:175789]
Jin W; Qi S; Luo H. 2012. T cell-specific deletion of EFNB2 minimally affects T cell development and function. Mol Immunol 52(3-4):141-7. [PubMed: 22673212] [MGI Ref ID J:188166]
Luo H; Charpentier T; Wang X; Qi S; Han B; Wu T; Terra R; Lamarre A; Wu J. 2011. Efnb1 and efnb2 proteins regulate thymocyte development, peripheral T cell differentiation, and antiviral immune responses and are essential for interleukin-6 (IL-6) signaling. J Biol Chem 286(48):41135-52. [PubMed: 21976681] [MGI Ref ID J:178148]
Animal Health Reports
Production of mice from cryopreserved embryos or sperm occurs in a maximum barrier room, G200.
| Pricing for USA, Canada and Mexico shipping destinations |
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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 |
|
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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Cryopreserved. Ready for recovery. Please refer to pricing and supply notes on the strain data sheet for further information.
For Licensing and Use Restrictions view the link(s) below:
- Use of MICE by companies or for-profit entities requires a license prior to shipping.
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| fax: | 207-288-6655 |
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