Words similar to transactivator
Example sentences for: transactivator
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As shown in Figure 2A, 24 hr incubation with doxycycline in the medium has no appreciable effect on endogenous PP1α protein expression in the untransfected parent cell line (UMUC3) or a cell line transfected with the reverse tetracycline transactivator plasmid pUHD172-1neo only (LLWO1).
In the rtTA transgenic construct the powerful and tissue-general actin5C promoter drives expression of the rtTA transcriptional transactivator [ 33].
Initial results showed that CAR is an apparently constitutive transactivator able to activate gene expression in the absence of exogenously added ligands [ 8 9 ] . The first CAR ligands identified, androstanol and androstenol, are inverse agonists that block this constitutive transactivation [ 10 ] . More recently, it has been found that CAR mediates the characteristic response of a subset of drug metabolizing enzymes to a variety of structurally unrelated foreign compounds [ 11 ] . These xenobiotic activators are referred to as "phenobarbital (PB) - like," based on the prototypic effects of the anti-epileptic agent on drug metabolism [ 12 13 14 ] . The most potent activator of murine CAR is the high affinity agonist ligand TCPOBOP (1,4-bis [2-(3,5-dichloropyridyloxy)]benzene) [ 15 16 ] .
IL-2-suppressed genes include lymphocyte antigen 9, inositol 1,4,5-trisphosphate 3-kinase B, and cdc25B, as well as transcriptional regulators MAX-interacting protein 1, CBP/p300-interacting transactivator, inhibitor of DNA binding 3 (Id3), glucocorticoid-induced leucine zipper (GILZ), and zinc finger protein 36/ERF-2.
The generation of Hoxc-8 transgenic mice and the characterization of their phenotype have been published [ 1 ] . Briefly, Hoxc-8 expressing mice are generated in a binary transgenic mouse system [ 44 ] by crossing a transactivator strain (harboring a transgene in which expression of the transcriptional transactivator VP16 is under control of the Hoxc-8 promoter; [ 45 ] ) to a transresponder strain (that carries as a transgene the Hoxc-8 cDNA linked to the ICP4 immediate early gene promoter, which is silent in mice in the absence of VP16; [ 45 46 ] ). Upon combination of both transgenes, the Hoxc-8 transresponder transgene is activated, and Hoxc-8 becomes overexpressed [ 23 ] . This system also allows the generation of transgenic mice with increased gene dosage by superimposition of transgene loci to homozygosity [ 23 44 ] . For the studies reported here, we used the T239 transactivator and the IE-c8-254 transresponder strains.
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