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Analysis of global gene expression profiles of hPAF1 deficient A549 cells during stimulation with PR8/∆NS1 influenza virus, IFNβ1 or Poly(I:C)

ABSTRACT: Viral infection is commonly associated with virus-driven hijacking of host proteins. We describe a novel mechanism by which influenza virus impacts host cells through the interaction of influenza NS1 protein with the infected cell epigenome. We show that the NS1 protein of influenza A H3N2 targets the transcription elongation PAF1 complex (hPAF1C). We demonstrate that binding of NS1 to hPAF1C results in suppression of hPAF1C-mediated transcriptional elongation. More importantly,in the following data sets, we show that hPAF1 plays a crucial role in the antiviral response. Loss of hPAF1C reduces antiviral gene expression and reduces inducible transcription of target genes after stimulation with viral RNA analogue poly(I:C), vesicular stomatitis virus (VSV), exogenous recombinant IFN(beta) and influenza virus (H1N1). This study underscores the importance of hPAF1C in controlling inducible antiviral gene expression. Untreated (no siRNA), control siRNA-treated and hPAF1 siRNA-treated A549 cells were stimulated with PR8/∆NS1 influenza virus (MOI 1), IFNβ1 (500U/mL) or Poly(I:C) (2ug/mL). Total RNA was isolated with the Qiagen RNeasy mini kit. 200ng of total RNA per sample was used to prepare biotin-labeled RNA using MessageAmp™ Premier RNA Amplification Kit (Applied Biosystems) and hybridized to HumanHT-12 v4 Expression BeadChips (Illumina). Data analysis was performed using the GeneSpring GX11.0 software (Agilent Technologies). 3 biological replicates per condition

ORGANISM(S): Homo sapiens

SUBMITTER: ivan marazzi

PROVIDER: E-GEOD-35267 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Analysis of global gene expression profiles of hPAF1 deficient A549 cells

Project description:This SuperSeries is composed of the following subset Series: GSE35265: Analysis of global gene expression profiles of hPAF1 deficiency on unstimulated A549 cells GSE35266: Analysis of global gene expression profiles of hPAF1 deficient A549 cells during infection with H1N1 influenza A virus or vesicular stomatitis virus (VSV) GSE35267: Analysis of global gene expression profiles of hPAF1 deficient A549 cells during stimulation with PR8/?NS1 influenza virus, IFN?1 or Poly(I:C) Refer to individual Series

2012-02-15 | E-GEOD-35268 | biostudies-arrayexpress

Analysis of global gene expression profiles of hPAF1 deficient A549 cells during infection with H1N1 influenza A virus or vesicular stomatitis virus (VSV)

Project description:Viral infection is commonly associated with virus-driven hijacking of host proteins. We describe a novel mechanism by which influenza virus impacts host cells through the interaction of influenza NS1 protein with the infected cell epigenome. We show that the NS1 protein of influenza A H3N2 targets the transcription elongation PAF1 complex (hPAF1C). We demonstrate that binding of NS1 to hPAF1C results in suppression of hPAF1C-mediated transcriptional elongation. More importantly,in the following data sets, we show that hPAF1 plays a crucial role in the antiviral response. Loss of hPAF1C reduces antiviral gene expression and reduces inducible transcription of target genes after stimulation with viral RNA analogue poly(I:C), vesicular stomatitis virus (VSV), exogenous recombinant IFN(beta) and influenza virus (H1N1). This study underscores the importance of hPAF1C in controlling inducible antiviral gene expression. Untreated (no siRNA), control siRNA-treated and hPAF1 siRNA-treated A549 cells were stimulated with A/Puerto Rico/8/1934 influenza virus (H1N1) or vesicular stomatitis virus (VSV). Total RNA was isolated with the Qiagen RNeasy mini kit. 200ng of total RNA per sample was used to prepare biotin-labeled RNA using MessageAmp™ Premier RNA Amplification Kit (Applied Biosystems) and hybridized to HumanHT-12 v4 Expression BeadChips (Illumina). Data analysis was performed using the GeneSpring GX11.0 software (Agilent Technologies). 3 biological replicates per condition

2012-02-15 | E-GEOD-35266 | biostudies-arrayexpress

Analysis of global gene expression profiles of hPAF1 deficiency on unstimulated A549 cells

Project description:Viral infection is commonly associated with virus-driven hijacking of host proteins. We describe a novel mechanism by which influenza virus impacts host cells through the interaction of influenza NS1 protein with the infected cell epigenome. We show that the NS1 protein of influenza A H3N2 targets the transcription elongation PAF1 complex (hPAF1C). We demonstrate that binding of NS1 to hPAF1C results in suppression of hPAF1C-mediated transcriptional elongation. More importantly,in the following data sets, we show that hPAF1 plays a crucial role in the antiviral response. Loss of hPAF1C reduces antiviral gene expression and reduces inducible transcription of target genes after stimulation with viral RNA analogue poly(I:C), vesicular stomatitis virus (VSV), exogenous recombinant IFN(beta) and influenza virus (H1N1). This study underscores the importance of hPAF1C in controlling inducible antiviral gene expression. A549 cells were untreated (no siRNA) or treated with control siRNA-treated and hPAF1 siRNA. Total RNA was isolated with the Qiagen RNeasy mini kit. 200ng of total RNA per sample was used to prepare biotin-labeled RNA using MessageAmp™ Premier RNA Amplification Kit (Applied Biosystems) and hybridized to HumanHT-12 v4 Expression BeadChips (Illumina). Data analysis was performed using the GeneSpring GX11.0 software (Agilent Technologies). These samples were then used for comparisons with stimulated cells (See series 1) 3 biological replicates per condition

2012-02-15 | E-GEOD-35265 | biostudies-arrayexpress

Suppression of the antiviral response by an influenza "histone mimic"

2013-07-01 | E-GEOD-35774 | biostudies-arrayexpress

Analysis of global gene expression profiles of hPAF1 deficient A549 cells during stimulation with PR8/∆NS1 influenza virus, IFNβ1 or Poly(I:C)

Project description:Viral infection is commonly associated with virus-driven hijacking of host proteins. We describe a novel mechanism by which influenza virus impacts host cells through the interaction of influenza NS1 protein with the infected cell epigenome. We show that the NS1 protein of influenza A H3N2 targets the transcription elongation PAF1 complex (hPAF1C). We demonstrate that binding of NS1 to hPAF1C results in suppression of hPAF1C-mediated transcriptional elongation. More importantly,in the following data sets, we show that hPAF1 plays a crucial role in the antiviral response. Loss of hPAF1C reduces antiviral gene expression and reduces inducible transcription of target genes after stimulation with viral RNA analogue poly(I:C), vesicular stomatitis virus (VSV), exogenous recombinant IFN(beta) and influenza virus (H1N1). This study underscores the importance of hPAF1C in controlling inducible antiviral gene expression. Untreated (no siRNA), control siRNA-treated and hPAF1 siRNA-treated A549 cells were stimulated with PR8/∆NS1 influenza virus (MOI 1), IFNβ1 (500U/mL) or Poly(I:C) (2ug/mL). Total RNA was isolated with the Qiagen RNeasy mini kit. 200ng of total RNA per sample was used to prepare biotin-labeled RNA using MessageAmp™ Premier RNA Amplification Kit (Applied Biosystems) and hybridized to HumanHT-12 v4 Expression BeadChips (Illumina). Data analysis was performed using the GeneSpring GX11.0 software (Agilent Technologies).

2012-02-15 | GSE35267 | GEO

Analysis of global gene expression profiles of hPAF1 deficient A549 cells during infection with H1N1 influenza A virus or vesicular stomatitis virus (VSV)

2012-02-15 | GSE35266 | GEO

Suppression of the antiviral response by an influenza "histone mimic"

2013-07-01 | GSE35774 | GEO

Analysis of global gene expression profiles of hPAF1 deficiency on unstimulated A549 cells

Project description:Viral infection is commonly associated with virus-driven hijacking of host proteins. We describe a novel mechanism by which influenza virus impacts host cells through the interaction of influenza NS1 protein with the infected cell epigenome. We show that the NS1 protein of influenza A H3N2 targets the transcription elongation PAF1 complex (hPAF1C). We demonstrate that binding of NS1 to hPAF1C results in suppression of hPAF1C-mediated transcriptional elongation. More importantly,in the following data sets, we show that hPAF1 plays a crucial role in the antiviral response. Loss of hPAF1C reduces antiviral gene expression and reduces inducible transcription of target genes after stimulation with viral RNA analogue poly(I:C), vesicular stomatitis virus (VSV), exogenous recombinant IFN(beta) and influenza virus (H1N1). This study underscores the importance of hPAF1C in controlling inducible antiviral gene expression. A549 cells were untreated (no siRNA) or treated with control siRNA-treated and hPAF1 siRNA. Total RNA was isolated with the Qiagen RNeasy mini kit. 200ng of total RNA per sample was used to prepare biotin-labeled RNA using MessageAmp™ Premier RNA Amplification Kit (Applied Biosystems) and hybridized to HumanHT-12 v4 Expression BeadChips (Illumina). Data analysis was performed using the GeneSpring GX11.0 software (Agilent Technologies). These samples were then used for comparisons with stimulated cells (See series 1)

2012-02-15 | GSE35265 | GEO

Genome-wide analysis of gene expression in human macrophages in response to infection with influenza A viruses expressing full length or truncated non-structural protein NS1.

Project description:Analysis of gene expression in human macrophages infected with influenza A viruses expressing full length or truncated NS1 protein. The hypothesis tested was that C-terminal truncations of viral NS1 protein attenuate the capability of NS1 to limit activation of host antiviral and immune response genes. Cells were infected with influenza A/WSN/33 viruses expressing wild type NS1 protein (WSN-230), NS1 protein of 220 aa long (WSN-220) and NS1 protein of 202 aa long (WSN-202) on non-infected (Mock) Total RNA isolated from macrophages after 8 hours of infection with wild type or mutant influenza A virus (multiplicity of infection = 2)

2014-10-08 | E-GEOD-62127 | biostudies-arrayexpress

The NS1 protein of influenza A virus suppresses interferon-regulated activation of antigen-presentation and immune-proteasome pathways

Project description:The NS1 protein of influenza virus counters host antiviral defences primarily by antagonizing the type I interferon (IFN) response. Both the N-terminal dsRNA-binding domain and the C-terminal effector domain are required for optimal suppression of host responses during infection. To better understand the regulatory role of the NS1 effector domain, we used an NS1-truncated mutant virus derived from human H1N1 influenza isolate A/Texas/36/91 (Tx/91) and assessed global transcriptional profiles from two independent human lung cell-culture models.

2012-07-10 | GSE39200 | GEO

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