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Role of IRF7 in airway epithelial cell responses to human rhinovirus infection.

ABSTRACT: Primary human bronchial epithelial cells were transfected with siRNA to knockdown IRF7 gene expression, allowed to recover, and then infected with human rhinovirus. At 24 hrs post rhinovirus infection, gene expression patterns were profiled on microarrays. The study design consisted of five donors, two transfection conditions (all-star negtaive control siRNA; IRF7-specific siRNA), and two culture conditions (medium control, rhinovirus-16).

ORGANISM(S): Homo sapiens

SUBMITTER: Anthony Bosco

PROVIDER: E-GEOD-70190 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Role of IRF7 in airway epithelial cell responses to human rhinovirus infection.

Project description:Primary human bronchial epithelial cells were transfected with siRNA to knockdown IRF7 gene expression, allowed to recover, and then infected with human rhinovirus. At 24 hrs post rhinovirus infection, gene expression patterns were profiled on microarrays.

2016-01-10 | GSE70190 | GEO

Gene expression signatures of symptomatic respiratory viral infection in adults

Project description:Diagnosis of acute respiratory viral infection is currently based on clinical symptoms and pathogen detection. Use of host peripheral blood gene expression data to classify individuals with viral respiratory infection represents a novel means of infection diagnosis. We used microarrays to capture peripheral blood gene expression at baseline and time of peak symptoms in healthy volunteers infected intranasally with influenza A H3N2, respiratory syncytial virus or rhinovirus. We determined groups of coexpressed genes that accurately classified symptomatic versus asymptomatic individuals. We experimentally inoculated healthy volunteers with intranasal influenza, respiratory syncytial virus or rhinovirus. Symptoms were documented and peripheral blood samples drawn into PAXgene tubes for RNA isolation.

2009-08-06 | E-GEOD-17156 | biostudies-arrayexpress

Transcription profiling of human nasal epithelium from subjects infected with HRV-16 rhinovirus vs sham infected

Project description:This study provides a comprehensive evaluation of changes in gene expression during rhinovirus infections in vivo. Subjects were experimentally infected with HRV-16 rhinovirus (RV16) or sham infected (control). Nasal epithelial scrapings collected and processed for microarray analysis. Only subjects exhibiting rhinovirus infection were analyzed. Experiment Overall Design: Randomized, parallel group study. A total of 31 subjects was analyzed: 15 infected and 16 controls. Nasal scapings were taken 14 days prior to infection (d14) and 8 hours (d0) and 2 days (d2) after infection. For each collection, alternating nostrils were used (e.g. -14d = left, 8hr = right, 2d=left) and subjects were randomized for collection (e.g. LRL, RLR).

2008-06-12 | E-GEOD-11348 | biostudies-arrayexpress

ChIP-seq for IRF7

Project description:We performed ChiP-Seq for IRF7 in GM-CSF induced bone-marrow cells. IRF7 ChIP-Seq in myeloid cells

2014-12-03 | E-GEOD-62697 | biostudies-arrayexpress

Human airway epithelial responses to rhinovirus infection and cigarette smoke extract alone and in combination

Project description:This study was performed to test the hypothesis that cigarette smoke extract would alter the responses of primary cultures of human bronchial epithelial cells to infection with purified human rhinovirus 16. The data show marked alterations in rhinovirus-induced expression profiles of a number of genes in the presence of cigarette smoke extract (CSE). Cultured epithelial cells from each of 4 donors were exposed to medium alone, rhinovirus 16 (RV16) alone, CSE alone, or RV16 in the presence of CSE. After a 24 h incubation gene expression was assessed.

2011-03-15 | E-GEOD-27973 | biostudies-arrayexpress

A global view on the role of SMAD4 gene in porcine follicular granulosa cells by RNA-Seq

Project description:Sma- and Mad-related protein 4 (SMAD4) is closely associated with the development of ovarian follicular. However, current knowledge of the genome-wide view on the role of SMAD4 gene in mammalian follicular granulosa cells (GCs) is still largely unknown. In the present study, RNA-Seq was performed to investigate the effects of SMAD4 knockdown by RNA interference (SMAD4-siRNA) in porcine follicular GCs. A total of 1025 differentially expressed genes (DEGs), including 530 upregulated genes and 495 downregulated genes, were identified in SMAD4-siRNA treated GCs compared with that treated with NC-siRNA. Furthermore, functional enrichment analysis indicated that upregulated DEGs in SMAD4-siRNA treated cells were mainly enriched in cell-cycle related processes, interferon signaling pathway, and immune system process, while downregulated DEGs were mainly involved in extracellular matrix organization/disassembly, pathogenesis, and cell adhesion. In particular, cell cycle and TGF-Î² signaling pathway were discovered as the canonical pathways changed under the SMAD4 silencing. Taken together, our data reveals SMAD4 knockdown alters the expression of numerous genes involved in key biological processes of the development of follicular GCs and provides a novel global clue of the role of SMAD4 gene in porcine follicular GCs. mRNA profiles of NC-siRNA treated and SMAD4-siRNA treated porcine GCs were generated by RNA sequencing using Ion Torren Proton

2016-07-25 | E-GEOD-76833 | biostudies-arrayexpress

Exploration of GFP-IRF7 neddylation sites

Project description:To explore the possible neddylation sites, GFP-IRF7 and His-NEDD8 were co-overexpressed in HEK293 cell line and GFP was immunoprecipitated, followed by SDS-PAGE and silver staining. The band detected was subjected to LC–MS/MS.

2021-08-19 | PXD024052 | Pride

Gene expression data from uninfected and rhinovirus-infected peripheral blood mononuclear cells from 98 individuals

Project description:Rhinovirus (RV) is the most prevalent human respiratory virus. Each year, RV infects billions of people and is responsible for at least half of all common colds, the most common illness of humans. RV infection also affects the morbidity of a range of respiratory illnesses, such as bronchiolitis, pneumonia, asthma, chronic obstructive pulmonary disease, and cystic fibrosis. Despite its biological importance and public health significance, little is known about the genetic architecture of response to RV. To address this, we obtained genome-wide genotype and gene expression data in uninfected and RV-infected peripheral blood mononuclear cells (PBMCs) from 98 individuals. We characterized gene expression differences in response to RV infection and mapped expression quantitative trait loci (eQTLs) in both uninfected and RV-infected PBMCs. The study includes data from uninfected and rhinovirus-infected peripheral blood mononuclear cells (PBMCs) from 98 individuals. Twenty ml of blood was drawn from each participant. PBMCs were isolated from whole blood samples by Ficoll-Paque separation. From each subject, 4 million PBMCs were treated with media alone for 24 hours and 4 million PBMCs were treated with media containing RV16 for 24 hours. The multiplicity of infection was 10 plaque-forming units per cell. Total RNA was extracted after 24-hour incubation, using the RNeasy Plus Mini Kit; concentrations were measured on a Nanodrop ND-100 Spectrophotometer and quality was assessed using an Agilent 2100 Bioanalyzer. Genome wide gene expression profiling of uninfected and rhinovirus-infected PBMCs was obtained using Illumina HumanHT-12 v4 Expression BeadChip arrays at the University of Chicago Functional Genomics Core.

2015-04-14 | E-GEOD-53543 | biostudies-arrayexpress

ChIP-seq for IRF7

Project description:We performed ChiP-Seq for IRF7 in GM-CSF induced bone-marrow cells.

2014-12-03 | GSE62697 | GEO

System-based analyses of brain regions functionally impacted in Parkinson's disease reveals underlying causal mechanisms

Project description:Detailed analysis of disease-affected tissue provides insight into molecular mechanisms contributing to pathogenesis. Substantia nigra, striatum and cortex are functionally connected with increasing degrees of alpha-synuclein pathology in Parkinson's disease. Functional and causal pathway analysis of gene expression and proteomic alterations in these three regions revealed pathways that correlated with deposition of alpha-synuclein. Microarray and RNAseq experiments revealed previously unidentified causal changes related to oligodendrocyte function and synaptic vesicle release and other changes were reflected across all brain regions. Importantly a subset of these changes were replicated in Parkinson's disease blood. Proteomic assessment revealed alterations in mitochondria and vesicular transport proteins that preceded gene gene expression changes indicating defects in translation and/or protein turnover. Our combined approach of proteomics, RNAseq and microarray analyses provides a comprehensive view of the molecular changes that accompany alpha-synculein pathology in Parkinson's disease, and may be instrumental in understanding and diagnosing Parkinson's disease progression. Substantia Nigra (3 normal, 3 PD), Striatum (6 normal, 6 PD), Cortex (5 normal, 5 PD), Cortex non-PD neurodegeneration (2 normal, 3 DLB). Note Sample X201264 was used both for Cortex normal and for Cortex nonPD normal

2014-09-01 | E-GEOD-54282 | biostudies-arrayexpress

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