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Identification of avian RIG-I responsive genes during influenza infection

ABSTRACT: Transcriptional profiling of chicken embryonic fibroblasts (DF-1 cells) comparing the effects of chicken cells transfected with duck RIG-I compared to empty-vector transfected cells following with low or highly pathogenic avian influenza. Goal was to determine the effects of duck RIG-I on influenza-induced immune gene expression. Two-condition experiment. Biological replicates for low pathogenic avian influenza infection: 3 empty-vector transfected replicates, 3 RIG-I transfected replicates. Biological replicates for highly pathogenic influenza infection: 2 empty-vector transfected replicates, 2 RIG-I transfected replicates.

ORGANISM(S): Gallus gallus

SUBMITTER: Yong-Dong Wang

PROVIDER: E-GEOD-29596 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Identification of avian RIG-I responsive genes during influenza infection.

Barber Megan R W MR Aldridge Jerry R JR Fleming-Canepa Ximena X Wang Yong-Dong YD Webster Robert G RG Magor Katharine E KE

Molecular immunology 20121204 1

Ducks can survive infection with highly pathogenic avian influenza viruses that are lethal to chickens. We showed that the influenza detector, RIG-I can initiate antiviral responses in ducks, but this gene is absent in chickens. We can reconstitute this pathway by transfecting chicken DF-1 embryonic fibroblast cells with duck RIG-I, which augments their antiviral response to influenza and decreases viral titer. However, the genes downstream of duck RIG-I that mediate this antiviral response to i ...[more]

PMID: 23220072

Similar Datasets

Identification of avian RIG-I responsive genes during influenza infection

Project description:Transcriptional profiling of chicken embryonic fibroblasts (DF-1 cells) comparing the effects of chicken cells transfected with duck RIG-I compared to empty-vector transfected cells following with low or highly pathogenic avian influenza. Goal was to determine the effects of duck RIG-I on influenza-induced immune gene expression.

2012-12-12 | GSE29596 | GEO

The dynamic proteome of influenza A virus infection identifies M segment splicing as a host range determinant

Project description:A century ago, influenza A virus (IAV) infection caused the 1918 flu pandemic and killed an estimated 20-40 million people. Pandemic IAV outbreaks occur when strains from animal reservoirs acquire the ability to infect and spread among humans. The molecular details of this species barrier are incompletely understood. We combined metabolic pulse labeling and quantitative shotgun proteomics to globally monitor protein synthesis upon infection of human cells with a human- and a bird-adapted IAV strain. While production of host proteins was remarkably similar, we observed striking differences in the kinetics of viral protein synthesis over the course of infection. Most importantly, the matrix protein M1 was inefficiently produced by the bird-adapted strain at later stages. We show that impaired production of M1 from bird-adapted strains is caused by increased splicing of the M segment RNA to alternative isoforms. Experiments with reporter constructs and recombinant influenza viruses revealed that strain-specific M segment splicing is controlled by the 3’ splice site and functionally important for permissive infection. Independent in silico and biochemical evidence shows that avian-adapted M segments have evolved different conserved RNA structure features than human-adapted sequences. Thus, our data identifies M segment RNA splicing as a viral determinant of host range.

2019-11-11 | PXD015475 | Pride

Genome wide host gene expression analysis in chicken lungs infected with avian influenza viruses

Project description:The mechanisms responsible for the molecular pathogenesis of the highly pathogenic avian influenza virus (HPAIV) or low pathogenic avian influenza virus (LPAIV) in avian species remain poorly understood. Thus, global immune response of chickens infected with HPAIV H5N1 (A/duck/India/02CA10/2011) and LPAIV H9N2 (A/duck/India/249800/2010) viruses was studied using microarray to identify crucial host genetic components responsive to these infection. HPAIV H5N1 induced excessive mRNA expression of cytokines (IFNA, OASL, MX1, RSAD2, IFITM5, GBP 1, IL1B, IL18, IL22, IL13, IL12B, CCL4, CCL9, CCL10, CX3CL1 etc) in lung tissues. This excessive cytokine response (cytokine storms) may cause tissue damage and high mortality in chickens. In contrast, the expression levels of most of the cytokines remained unchanged in the lungs of LPAIV H9N2 virus infected chickens. This study indicated the relationship between host cytokines response and their roles in pathogenesis in chickens infected with HPAIVs. Agilent Custom Chicken Gene Expression 8X60k (AMADID: G4102A_059389) designed by Genotypic Technology Private Limited , Labeling kit: Agilent Quick-Amp labeling Kit (p/n5190-0442)

2016-07-04 | E-GEOD-65231 | biostudies-arrayexpress

Genome wide host gene expression analysis in chicken lungs infected with avian influenza viruses

2016-01-02 | GSE65231 | GEO

Expression data from low- and high-pathogenicity avian influenza-infected chicken and duck cells

Project description:While infection of chickens with highly pathogenic avian influenza (HPAI) H5N1 subtypes often leads to complete mortality within 24 to 48 h, infection of ducks in contrast causes mild or no clinical signs. Rapid onsets of fatal disease in chickens, but with no evidence of severe clinical symptoms in ducks, suggest underlying differences in their innate immune mechanisms. To understand the molecular basis for such difference, chicken and duck primary lung cells, infected with a low-pathogenicity avian influenza (LPAI) and two HPAI H5N1 viruses, were subjected to RNA expression profiling using Affymetrix Chicken GeneChip arrays. We used microarrays to analyze the gene expression profiles of primary chicken and duck lung cells infected with H2N3 LPAI and two H5N1 influenza virus subtypes to understand the molecular basis of host susceptibility and resistance. We have identified a set of key genes and pathways that could play an important role in mediating innate host resistance to avian influenza in chickens and ducks. 24 hours following infection, total RNA from cells was extracted. Replicate RNA samples from each of the virus-infected (H2N3, H5N1 50-92, or H5N1 ty-Ty) or mock-infected chicken and duck cells (4 treatment groups for each species) were used for microarray analysis. Each of the RNA samples was hybridized to one GeneChipM-BM-. Chicken Genome Array (Affymetrix), and a total of 16 array chips were used.

2014-12-04 | E-GEOD-33389 | biostudies-arrayexpress

Expression data from low- and high-pathogenicity avian influenza-infected chicken and duck cells

2014-12-04 | GSE33389 | GEO

Pilot study to identify technical variation in microarray data of mouse lungs in the context of inter-animal variation

Project description:Prior to generation of microarray data for a Top-down Systems analysis of influenza A infection, we evaluated the degree and origin of technical variation in gene expression microarray data from mouse lungs and compared this to inter-animal variation. Technical variation in these microarray data in the context of inter-animal variation supported a choice of biological rather than technical replicates. A) One mouse (260) was infected with 0.6LD50 of the mouse pathogenic H1N1 strain PR8. Lung tissues were collected at 72h post infection and processed to yield whole lung RNA that was used for microarray analysis. The RNA was extracted in 3 individual batches (I, II, III), each batch of RNA was amplified in 2 separate batches (1,2), and the individual batches of amplified product were again hybridized in 2 batches. This dataset contains 18 microarrays covering 1 experimental condition with 1 biological replicate and a matrix of technical replicates. B) 3 mice (245, 246, 247) were infected with 0.6LD50 of the mouse pathogenic H1N1 strain PR8. Lung tissues were collected at 72h post infection and processed to yield whole lung RNA that was used for microarray analysis. From each animal, RNA was extracted, the RNA was amplified in three separate batches (A, B, C), and the individual batches of amplified product were again hybridized in 2 batches. This dataset contains 24 microarrays covering 1 experimental condition with 3 biological replicates and a matrix of technical replicates. Datasets A) and B) are linked to two biological datasets - one comparing the transcriptomes of 5 different cell types isolated from individual lungs of influenza A-infected or control animals (contains 75 microarrays covering 25 experimental conditions) and one comprising whole lung microarrays from sham-infected or influenza H1N1-infected animals (contains 138 microarrays, 19 experimental conditions, 7 biological replicates).

2013-07-03 | E-GEOD-42521 | biostudies-arrayexpress

Next Generation Sequencing Facilitates Quantitative Analysis of Transcriptomesof Wild Type , RIG-I-/-, MAVS -/- mice during influenza infection

Project description:Purpose: The goals of this study are to compare Next-generation sequencing (NGS)-derived transcriptome profiling (RNA-seq) in the lung of three tyeps of mice during influenza infection. Methods: Total RNA from lung was extracted using a modified TRIzol protocol and spectrophometrically quantitated. Library preparation and sequencing were conducted using 3’ inTAG next-generation sequencing . Differential gene expression for day 6 post influenza infection was determined relative to mock inoculated mice. Results: Differentially expressed genes were defined using p-value <0.01 and FDR-corrected p-value <0.1 cutoffs. We identified the transcripts in the lung of RIG-I-/-, MAVS -/- mice during influenza infection Our study represents the first detailed analysis of lung transcriptomes of Wild Type , RIG-I-/-, MAVS -/- mice during influenza infection , with biologic replicates, generated by RNA-seq technology.

2018-11-28 | GSE114232 | GEO

Expression data from Avian Pathogenic Escherichia coli

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2013-06-18 | E-GEOD-48015 | biostudies-arrayexpress

TGFβ1 treatment of A2058 melanoma cells

Project description:4 replicates were prepared from A2058 melanoma cells [transfected with 10ng of empty vector (pcDNA3.1+)] and treated with 5ng/ml TGFβ1 or vehicle control for 24hrs

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