viral interferon regulatory factor 3
Deregulation of HDAC5 by Viral Interferon Regulatory Factor 3 Plays an Essential Role in Kaposi's Sarcoma Associated Herpesvirus Induced Lymphangiogenesis
... that viral interferon regulatory factor 3 (vIRF3) is readily detected in over 40% of KS lesions and that vIRF3 functions as a proangiogenic factor, inducing hypersprout- ing ...
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Kaposi's Sarcoma-Associated Herpesvirus Viral Interferon Regulatory Factor 3 Inhibits Gamma Interferon and Major Histocompatibility Complex Class II Expression
... MHC II regulation by vIRF-3 is mediated by regulation of CIITA. MHC II expression is regulated by one master switch protein, the class II transactivator (CIITA). CIITA expression is essentially driven from the ...
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Kaposi's Sarcoma-Associated Herpesvirus Viral Interferon Regulatory Factor 4 (vIRF4) Perturbs the G1-S Cell Cycle Progression via Deregulation of the cyclin D1 Gene
... KSHV viral-DNA synthe- sis and cellular-DNA synthesis simultaneously, we performed small-molecule DNA fluorescence in situ hybridization (smDNA FISH) using probes containing either the chromosome regions of ...
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Rhesus Cytomegalovirus Particles Prevent Activation of Interferon Regulatory Factor 3
... against viral infection is the induction of interferon (IFN)-stimulated genes ...activate interferon-regulatory factor 3 (IRF3), as well as nuclear factor B (NF- B), ...
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Functional Analysis of Human Herpesvirus 8-Encoded Viral Interferon Regulatory Factor 1 and Its Association with Cellular Interferon Regulatory Factors and p300
... and 3⬘-TTGTCTAGATTATTGCATGGCATCCCATAA were based on the published HHV-8 sequences; the resulting 1,368-bp vIRF-1 fragment was insert- ed into the HindIII and XbaI sites of ...
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Transcriptional Regulation of the Kaposi's Sarcoma-Associated Herpesvirus Viral Interferon Regulatory Factor Gene
... FIG. 3. Activation of the vIRF promoter 3⬘-end deletion mutant and TATA element site-directed mutant. (A) Schematic diagram of the vIRF promoter and two mutant constructs. The vIRF promoter deletion mutant ...
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Inhibition of Interferon Regulatory Factor 3 Activation by Paramyxovirus V Protein
... The V protein of Sendai virus (SeV) suppresses innate immunity, resulting in enhancement of viral growth in mouse lungs and viral pathogenicity. The innate immunity restricted by the V protein is induced ...
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The NPro Product of Bovine Viral Diarrhea Virus Inhibits DNA Binding by Interferon Regulatory Factor 3 and Targets It for Proteasomal Degradation
... (2, 3), demonstrating that BVDV encodes a mechanism for blocking the function of the one factor it ...potential viral polypeptides that could play a role in blocking IFN-  ...critical factor ...
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HIV-1 Vpu Does Not Degrade Interferon Regulatory Factor 3
... To exclude the possibility that some subtle effects of Vpu on IRF-3 were missed because the cells were examined in bulk, we next performed fluorescence-activated cell sorting (FACS)-based assays. The pCG vectors ...
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Activation of Interferon Regulatory Factor 3 Is Inhibited by the Influenza A Virus NS1 Protein
... ) Cells were transfected with 0.1 g of pCAGGS-NS1-R38AK41A(SAM) and infected with delNS1 for 8 h as described for panel A. Fixed cells were stained as described above. In the top panel, arrows indicate cells which show ...
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Human Rhinovirus Attenuates the Type I Interferon Response by Disrupting Activation of Interferon Regulatory Factor 3
... induce interferon-  mRNA synthesis or activation of the Jak/STAT pathway. Viral infection results in activation of the type I interferon response via the produc- tion of IFN-  ...
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HIV Vpu Interferes with NF-κB Activity but Not with Interferon Regulatory Factor 3
... Signaling of innate immune sensing pathways converges to trigger the transcription of proinflammatory and antiviral genes through activation of NF- B and IRF3. HIV developed different strategies to evade and block such ...
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Pestivirus Npro Directly Interacts with Interferon Regulatory Factor 3 Monomer and Dimer
... alpha/beta interferon (IFN- ␣ /  ) sig- naling in immune cells (1, ...the interferon regulatory factors (IRFs) ...Upon viral infection, IRF3 is activated by phosphorylation by cellular ...
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Inhibition of Interferon Signaling by the Kaposi's Sarcoma-Associated Herpesvirus Full-Length Viral Interferon Regulatory Factor 2 Protein
... FIG. 2. Inhibition of rIFN-driven expression of pISRE-luc by vIRF-2 protein expression. (A) Inhibition of rIFN- ␣ . 293 cells were transfected with pISRE-luc (250 ng) and increasing amounts of pcDNA4/vIRF-2 plasmid. At 5 ...
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Early Alpha/Beta Interferon Production by Myeloid Dendritic Cells in Response to UV-Inactivated Virus Requires Viral Entry and Interferon Regulatory Factor 3 but Not MyD88
... Immunofluorescence. The antibodies used for immunofluorescence included goat anti-IRF-3 (Santa Cruz Biotechnology) and rabbit anti-IRF-3 (Zymed Lab- oratories). The secondary antibodies were Cy3-conjugated ...
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Cooperation between Viral Interferon Regulatory Factor 4 and RTA To Activate a Subset of Kaposi's Sarcoma-Associated Herpesvirus Lytic Promoters
... (helix 3) retains its amphi- pathic nature, with hydrophobic residues clustered on one face and hydrophilic residues, including several arginines, on the other ...helix 3 to ...
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Interferon Regulatory Factor 3 Is a Cellular Partner of Rotavirus NSP1
... in disease severity or duration compared to controls (2). These data suggested that the IFN response was not an important nonimmune mediator of protection from rotavirus disease in mice. Collective interpretation of ...
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Interferon Regulatory Factor 3 Is Required for Viral Induction of Beta Interferon in Primary Cardiac Myocyte Cultures
... of viral myocarditis (26) but me- diates cardiac damage through an undetermined ...for viral induction of IFN- (this report) and that adenovirus protein E1A binds CBP and/or p300, thereby competing with ...
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Inhibition of Beta Interferon Transcription by Noncytopathogenic Bovine Viral Diarrhea Virus Is through an Interferon Regulatory Factor 3-Dependent Mechanism
... exhibited by pestiviruses. The END effect extends to other virus families, and we have observed significant increases in plaque formation induced by coinfection with ncp BVDV and some strains of influenza viruses, ...
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Kaposi’s Sarcoma-Associated Herpesvirus Viral Interferon Regulatory Factor
... Transformation of NIH 3T3 cells by the KSHV K9 expres- sion. Cellular IRF-2 has been shown to function as a transcrip- tional repressor of IFN-mediated signal transduction (12). When IRF-2 was overexpressed in NIH 3T3 ...
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