TAR RNA
Nuclear Factor 90(NF90) targeted to TAR RNA inhibits transcriptional activation of HIV 1
... by TAR RNA in North-Western ...beta-globin RNA probes in North-Western blotting that showed no p110 or p90 bands (data not ...radio-labeled TAR RNA (Figure ...to TAR RNA ...
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The Human Immunodeficiency Virus Type 1 TAR RNA Upper Stem-Loop Plays Distinct Roles in Reverse Transcription and RNA Packaging
... (HIV-1) RNA genome is flanked by a repeated sequence (R) that is required for HIV-1 ...that TAR is also important for efficient HIV-1 reverse transcription, since HIV-1 mutated in the upper stem-loop of ...
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Phosphorylation of HIV Tat by PKR increases interaction with TAR RNA and enhances transcription
... Background: The interferon (IFN)-induced, dsRNA-dependent serine/threonine protein kinase, PKR, plays a key regulatory role in the IFN-mediated anti-viral response by blocking translation in the infected cell by ...
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Specific repression of Tax trans-activation by TAR RNA-binding protein TRBP.
... FIG. 4. (A) Schematic representation of TRBP derivatives. TRBP2 (acces- sion number U08998) carries 21 additional amino acids amino terminally of the TRBP open reading frame. Deletion constructs of TRBP used in ...
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Inhibition of HIV derived lentiviral production by TAR RNA binding domain of TAT protein
... tion effect at all time points, further suggesting the inhibi- tion by Tat-P was specific. To evaluate the dose-response effect of the Tat-P on viral production, three different doses of Tat-P (200 µM, 100 µM and 50 µM) ...
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A proteomic study of TAR-RNA binding protein (TRBP)-associated factors
... HIV-1 TAR RNA-binding protein, its more recently character- ized function in microRNA biogenesis and RISC-activity is widely conserved in all cell types ...
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The Cellular TAR RNA Binding Protein, TRBP, Promotes HIV-1 Replication Primarily by Inhibiting the Activation of Double-Stranded RNA-Dependent Kinase PKR
... of RNA silenc- ing, we used P4R5 cells, a HeLa-derived HIV-1 indicator cell line in which an integrated copy of the HIV-1 LTR drives expression of a  -galactosidase gene ...of TAR-containing  -galac- ...
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Small Interfering RNAs against the TAR RNA Binding Protein, TRBP, a Dicer Cofactor, Inhibit Human Immunodeficiency Virus Type 1 Long Terminal Repeat Expression and Viral Production
... the RNA-induced silencing complex, in which Dicer, Ago2, and the human immunodeficiency virus type 1 (HIV-1) TAR RNA binding protein (TRBP) are the main ...viral RNA through its activity in ...
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Role of TAR RNA splicing in translational regulation of simian immunodeficiency virus from rhesus macaques.
... The ability of these splicing mutations to reduce the accumulation of both viral RNA and protein as well as the production of cell-free virions is most simply explained by a decrease in [r] ...
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TAR RNA binding properties and relative transactivation activities of human immunodeficiency virus type 1 and 2 Tat proteins.
... 1110 Downloaded from http://jvi.asm.org/ on November 9, 2019 by guest Using gel shift assays, we found that the human immunodeficiency virus type 1 HIV-1 Tat protein Tat-i bound both HIV[r] ...
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Conserved nucleotides in the TAR RNA stem of human immunodeficiency virus type 1 are critical for Tat binding and trans activation: model for TAR RNA tertiary structure.
... Nucleotide substitutions in the two base pairs of the TAR stem directly above the essential trinucleotide bulge that maintain base pairing but change sequence prevent complex formation w[r] ...
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Human immunodeficiency virus type 1 TAR element revertant viruses define RNA structures required for efficient viral gene expression and replication.
... the TAR RNA bulge structure was the primary mechanism which in- creased the level of HIV-1 gene ...in TAR were critical for tat induction, computer analysis of the TAR RNA secondary ...
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A dual function TAR Decoy serves as an anti HIV siRNA delivery vehicle
... of TAR, two config- urations were selected, one in which both the single- nucleotide bulges are retained as in the wild type TAR and another in which the distal bulge near the Tat bind- ing region is ...
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ADAR1 Interacts with PKR during Human Immunodeficiency Virus Infection of Lymphocytes and Contributes to Viral Replication
... kinase RNA activated (PKR) is activated after virus ...on RNA 1-p150 (ADAR1-p150) and ADAR1-p110 expression increases while the virus replicates ...the TAR RNA binding protein (TRBP), reverses ...
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The role of exosomal transport of viral agents in persistent HIV pathogenesis
... also RNA, can find its way into ...(TAR) RNA. TAR is part of a short untranslated region of the HIV genome that serves as a binding site for Tat, enhancing viral ...that TAR was also ...
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Juxtaposition between activation and basic domains of human immunodeficiency virus type 1 Tat is required for optimal interactions between Tat and TAR.
... Although in vitro binding studies suggested that the nine basic amino acids from positions 48 to 57 in Tat bind efficiently to the 5' bulge in the TAR RNA stem-loop, by creating several [r] ...
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Lentivirus Tat proteins specifically associate with a cellular protein kinase, TAK, that hyperphosphorylates the carboxyl-terminal domain of the large subunit of RNA polymerase II: candidate for a Tat cofactor.
... Model of Tat transactivation. Two models for the mecha- nism of action of Tat may be proposed on the basis of the work presented here and the published results of others (Fig. 8); these models are not mutually exclusive. ...
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A Randomised Controlled Trial of the Efficacy and Safety of 0.25% Desoximetasone Cream (Topoxy) Compared with 0.25% Desoximetasone Cream (Topicorte) for the Treatment of Scalp Psoriasis
... It should be noted that the efficacies of Topoxy and Topicorte in our study might be higher than their efficacies in a real-life situation for 2 reasons. Firstly, tar shampoo was provided to all groups for ethical ...
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Rna Interference: Progress In Delivery Strategies And Therapeutic Application
... Si RNA is labeled with the fluorescein amidite (FAM) to locate the position of Si RNA in cytoplasm and visual- ization of the location is done by confocal ...Si RNA along with MSN nanoparticles modi- ...
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Targeting Tat Inhibitors in the Assembly of Human Immunodeficiency Virus Type 1 Transcription Complexes
... to RNA sites other than BIV TAR, we measured its activity by using a previously described HIV-1 Tat-Rev fusion (T-Rev) (Table 2) and HIV-1 LTR-RREIIB FFL re- porter (45), as well as a wild-type HIV-1 Tat ...
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