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Human lncRNA NRAV regulates antiviral response by modulating ISGs expression during influenza A virus infection

ABSTRACT: Human lncRNA NRAV-overexpression in A549 cells was found to increase the influenza virus WSN replication. To discover the mechanism underlying this promotion by NRAV, genome-wide mRNA expression was measured by using microarray. Thousands of genes were differentially expressed and some ISGs were down-regulated.

ORGANISM(S): Homo sapiens

PROVIDER: GSE48874 | GEO | 2014/11/26

SECONDARY ACCESSION(S): PRJNA212098

REPOSITORIES: GEO

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Human lncRNA NRAV regulates antiviral response by modulating ISGs expression during influenza A virus infection

Project description:Human lncRNA NRAV-overexpression in A549 cells was found to increase the influenza virus WSN replication. To discover the mechanism underlying this promotion by NRAV, genome-wide mRNA expression was measured by using microarray. Thousands of genes were differentially expressed and some ISGs were down-regulated. Human lncRNA NRAV-overexpressioning A549 cells (Test) and empty vector control cells were infected with influenza virus A/WSN/33 (H1N1) for 16 hours at a MOI of 3. Six total RNA samples from three independent experiments were extracted and used for mRNA microarray.

2014-11-26 | E-GEOD-48874 | biostudies-arrayexpress

C646, a Novel p300/CREB-Binding Protein-Specific Inhibitor of Histone Acetyltransferase, Attenuates Influenza A Virus Infection

Project description:Whole-genome data was developed from influenza virus infected A549 cells to better characterize the effect of C646 on influenza virus infection A549 cells were treated with C646 or DMSO for 10 h, and then were infected with A/WSN/33 virus (WSN; H1N1) at a multiplicity of infection (MOI) 2. A549 cells for microarray studies were collected at different times. The gene expression in A549 cells was compared between C646-treated group and DMSO-treated group.

2016-01-07 | E-GEOD-72503 | biostudies-arrayexpress

Host cell gene expression in Influenza A/WSN/33 (H1N1) infected A549 cells at 10 hour post infection

Project description:We used the microarray data to analyze host cells response on A549 cells infected with A/WSN/33 (H1N1) The A/WSN/33 (H1N1) infected A549 cells were harvested at 10 hpi and RNA extraction was performed using standard protocol as described by Affymetrix. The aim of this experiment is to analyze host response to Influenza A/WSN/33 (H1N1) infection.

2013-01-03 | E-GEOD-31470 | biostudies-arrayexpress

Host cell gene expression in Influenza A/WSN/33 (H1N1) infected A549 cells at 2, 4 and 6 hours post infection

Project description:We used the microarray data to analyze host cells response on A549 cells infected with A/WSN/33 (H1N1) The A/WSN/33 (H1N1) infected A549 cells were harvested at 2, 4 and 6 hpi and RNA extraction was performed using standard protocol as described by Affymetrix. The aim of this experiment is to analyze host response to Influenza A/WSN/33 (H1N1) infection.

2013-01-03 | E-GEOD-31469 | biostudies-arrayexpress

Gene expression changes due to influenza virus induced miRNAs

Project description:The goal of this experiment was to determine gene expression changes during influenza A virus infection as the result of expression influenza virus inducible miRNAs in A549 cells. The gene expression profiling experiment was performed with 4 groups (mock infected, influenza A virus infected, influenza A virus infected in the presence of exogenous miR-141, miR-374b, miR-449b, miR-518b, and miR-1263, and influenza A virus infected in the presence of exogenous miR-147b, miR-190b, miR-199a, miR-512-5p, and miR-874 with 3 biological replicates for each group. Total RNA was purified from A549 cells that were mock infected or infected with influenza A virus (A/WSN/33, 5pfu/cell) alone or in the presence of miRNA mimics 10 hours after treatment.

2013-09-15 | E-GEOD-47937 | biostudies-arrayexpress

3-anhydro-6-hydroxy-ophiobolin A inhibits the replication of influenza A virus in vitro and in vivo

Project description:Influenza is a major cause of morbidity and mortality worldwide, and the emerging drug resistance poses an increasing challenge to the treatment of influenza virus infection. Therefore, the development of a novel antiviral drugs has become an urgent task to combat against the influenza viruses that are resistant to the current therapeutic treatment. Here, by screening a small molecule chemical compound library, we identified 3-anhydro-6-epi-ophiobolin A (named L435) as a potent anti-influenza agent. Mechanistically, L435 markedly reduced influenza virus replication in vitro and in vivo. Importantly, L435 treatment improved the survival of influenza-virus-infected mice, suggesting that L435 may be a novel therapeutic agent for treatment of influenza virus infections. This microarray experiment was carried out to explore gene expression changes in influenza-virus-infected A549 cells after L435 treatment, and find out why L435 could inhibit the replication of influenza A virus. Total RNAs were extracted from three different groups of A549 cells that were mock treated, or infected with WSN and treated with DMSO for 12h, or infected with WSN and treated with L435 for 12 h, using TRIzol reagent (Invitrogen, Carlsbad, CA). Three independent experiments were performed. Samples were amplified and labeled using the One-Color Quick Amp Labeling Kit (Agilent p/n 5190-2305).

2015-11-05 | E-GEOD-58741 | biostudies-arrayexpress

NcRNA profiling after Influenza A/WSN/33 infection I

Project description:A growing body of evidence suggests gene regulatory functions for the majority of non-protein-coding RNAs (ncRNAs). Besides small RNAs (sRNAs), the diverse class of long ncRNAs (lncRNAs) recently came into focus of research. So far, the relevance of lncRNAs in infection processes remains elusive. Here, we report the differential expression of several classes of lncRNAs during influenza A virus (IAV) infection in human lung epithelial cells. 2 biological replicates of each condition were hybridzed in an independent color-swap; A549 cells were washed with PBS and then infected with viruses at MOI 1 in infection buffer for for 60M-bM-^@M-^Imin at room temperature. Cells were incubated for the indicated time periods at 37M-bM-^@M-^IM-BM-0C in DMEM supplemented with 0.2% bovine serum albumin, 4M-bM-^@M-^ImM l-glutamine and antibiotics. Supernatants of A/WSN/33 (H1N1) virus infected A549 cells (MOI 5, 4hpi) were exposed to UV light for 5 min and then used to stimulate A549 cells for 4 h Supernatants of A/WSN/33 (H1N1) virus infected A549 cells (MOI 5, 8hpi) were exposed to UV light for 5 min and then used to stimulate A549 cells for 8 h

2014-01-29 | E-GEOD-45397 | biostudies-arrayexpress

Effect of Influenza virus infection on lncRNA expression in A549 cells

Project description:Long non-coding RNAs (lncRNAs) are a new arm of gene regulatory mechanism as discovered by sequencing techniques and follow-up functional studies. There are only few studies on lncRNAs as related to gene expression regulation and anti-viral activity during influenza virus infection. We sought to identify and characterize lncRNAs involved in influenza virus replication. In the current study, we identified dys-regulated lncRNAs in influenza virus-infected human lung epithelial A549 cells using RNA sequencing in A549 cells.

2018-10-12 | GSE121155 | GEO

The miRNA expression patterns in WSN-infected A549 cells at various time points post-infection.

Project description:To identify miRNAs that are affected by IAV infection, we adopted a systematic approach, and performed a miRNA microarray analysis using a human alveolar adenocarcinoma cell line, A549, which was infected with a common laboratory strain of influenza A/WSN/33(H1N1) virus (WSN). We compared miRNA expression profiles in A549 cells infected with WSN for 2, 6, and 10 hours at a multiplicity of infection (MOI) of 2. Among 955 miRNAs on the microarray, 209 miRNAs were detected in all three infected A549 samples, but when compared with analysis results from mock-infected A549 cells, most expression changes were less than 1.5-fold , which was consistent with a previous report (Buggele et al., 2013). Therefore, we established 1.5-fold expression change as a threshold to select for miRNAs potentially affected by WSN infection. Further screening revealed 116 miRNAs that underwent 1.5-fold or greater expression changes at any timepoint following WSN infection.

2018-05-31 | GSE115069 | 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)

2014-10-08 | GSE62127 | GEO

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