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B6.Cg-Igs7tm173(tetO-EGFP/Hdac1, CAG-tdTomato, -tTA2)Tasic/J
Cat. No.: CEMM-07250975
Common Name: Ai173 [or Ai173(TIT2L-EGFP-HDAC1-ICL-tdT-tTA2)]
Ai173 (also called Ai173(TIT2L-EGFP-HDAC1-ICL-tdT-tTA2)) is a Cre-dependent, Tet-controllable histone deacetylation tool strain with dual fluorescent reporters, created by targeted insertion at the Igs7 locus (TIGRE). Exposure to Cre recombinase removes both STOP cassettes, resulting in tTA2 expression, robust tdTomato fluorescence and EGFP/HDAC1 fusion protein expression. HDAC1 is a potent epigenetic regulator and its overexpression will promote histone deacetylation. EGFP/HDAC1 expression may be expected to be diminished/eliminated by doxycycline.
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| Status | Live Mouse Frozen Embryo |
| Age | 4 weeks 12 weeks Customized Age |
| Sex | Male Female |
| GENETICS | |
|---|---|
| Allele Symbol |
Igs7tm173(tetO-EGFP/Hdac1,CAG-tdTomato,-tTA2)Tasic
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| Allele Name |
targeted mutation 173
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| Allele Attributes |
Conditional ready (e.g. floxed); Reporter; Inducible; Inserted expressed sequence; Transactivator
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| Gene Symbol |
Igs7
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| Gene Name |
intergenic site 7
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| Chromosome |
9
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| MGI Accession ID | show more close |
| Strain of Origin |
(129S6/SvEvTac x C57BL/6NCrl)F1
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| Molecular Note |
The vector is designed with (from 5' to 3') an FRT3 site, two copies of chicken beta-globin HS4 insulator element (to reduce reporter gene expression in absence of transactivators), a Tet response element/promoter (TRE2; details below), a loxP-flanked STOP cassette (stop codons in all three reading frames linked to synthetic pA-hGHpA-PGKpA), an EGFP/HDAC1 fusion protein (described below), a woodchuck hepatitis virus post-transcriptional regulatory element, a BGH polyA, two copies of chicken beta-globin HS4 insulator element, a CMV-IE enhancer/chicken beta-actin/rabbit beta-globin hybrid promoter, a lox2272-flanked STOP cassette (stop codons in all three reading frames linked to synthetic pA-hGHpA-TKpA), a tdTomato sequence, a viral 2A oligopeptide), a synthetic modified tetracycline-regulated transactivator gene (tTA2(S)), a WPRE, a BGH polyA, an AttB site, a PGK-5'hygro cassette, an RNA splice donor, a FRT5 site, SA, 3'hygro, SV40pA, and AttP. The TRE2 promoter used here is Tet-responsive P>hCMV*-1min CMVhCMV*-1< is silent in the absence of tTA or rtTA binding to tetO.The EGFP/HDAC1 fusion protein is composed of a synthetic enhanced green fluorescent protein sequence (EGFP), a short VPRGSSK linker sequence and a mouse histone deacetylase 1 (Hdac1) genomic coding sequence.
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| HUSBANDRY | |
|---|---|
| Suggested Controls |
C57BL/6J
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| Breeding Considerations |
Heterozygous mice are viable and fertile with no reported gross physical or behavioral abnormalities. To date, it has not been attempted to make this strain homozygous. When maintaining a live colony, heterozygous mice may be bred together, to wildtype mice from the colony or to C57BL/6J inbred mice.
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| Breeding Strategy |
Wild-type x Heterozygote; Heterozygote x Wild-type
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For Research Use Only.
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