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Rhinoviruses and enterovirus-D68 replicate more robustly in respiratory tissues originating from asthmatic patients compared to non-asthmatic controls

ABSTRACT: Investigation of the mechanism leading to differential rhinovirus infection in airway epithelia from healty versus asthmatic patients

ORGANISM(S): Homo sapiens

PROVIDER: GSE222129 | GEO | 2023/02/13

REPOSITORIES: GEO

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Rhinoviruses and enterovirus-D68 replicate more robustly in respiratory tissues originating from asthmatic patients compared to non-asthmatic controls

Project description:Rhinoviruses and enterovirus-D68 replicate more robustly in respiratory tissues originating from asthmatic patients compared to non-asthmatic controls

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Severe asthmatic bronchial smooth muscle decreases epithelial response to rhinovirus infection.

Project description:Asthma is a very frequent airway disease that affects 6 to 20% of the population. Severe asthma, represents 3 to 5% of all asthmatic patients and is histologically characterized by an increased bronchial smooth muscle (BSM) mass and clinically by viral exacerbations. Functionally, BSM remodeling had a poor prognostic value in asthma, since higher BSM mass was associated with lower lung function and increased exacerbation rate. However, the role of BSM as a potential actor of asthma exacerbation has only been sparsely suggested. We thus hypothesis that asthmatic BSM cells could act on bronchial epithelium and modified its response to rhinovirus infection.

2023-05-02 | PXD015604 | Pride

Phenotypic responses of differentiated asthmatic human airway epithelial cultures to rhinovirus

Project description:We report the application of RNA sequencing technology for high-throughput profiling of gene expression responses to human rhinovirus infection at 24 hours in air-liquid interface human airway epithelial cell cultures derived from 6 asthmatic and 6 non-asthmatic donors. RNA-seq analysis identified sets of genes associated with asthma specific viral responses. These genes are related to inflammatory pathways, epithelial remodeling and cilium assembly and function, including those described previously (e.g. CCL5, CXCL10 and CX3CL1), and novel ones that were identified for the first time in this study (e.g. CCRL1, CDHR3). We concluded that air liquid interface cultured human airway epithelial cells challenged with live HRV are a useful in vitro model for the study of rhinovirus induced asthma exacerbation, given that our findings are consistent with clinical data sets. Furthermore, our data suggest that abnormal airway epithelial structure and inflammatory signaling are important contributors to viral induced asthma exacerbation. Differentiated air-liquid interface cultured human airway epithelial cell mRNA profiles from 6 asthmatic and 6 non-asthmatic donors after 24 hour treatment with either HRV or vehicle control were generated by deep sequencing, using Illumina HiSeq 2000.

2015-03-01 | E-GEOD-61141 | biostudies-arrayexpress

Differential gene expression of lymphocytes stimulated with rhinovirus species A and C in asthmatic and non-asthmatic children

Project description:Background: Evidence suggests that immune responses to rhinovirus A and C are altered in asthmatic children and rhinovirus species induce different types of antibody responses. Objective: To ascertain and compare the T-cell memory response induced by RV-A and RV-C in asthmatic and non-asthmatic children. Methods: Peripheral blood mononuclear cells from children who previously suffered asthma exacerbation (asthmatics) and non-asthmatic controls were stimulated in vitro with peptide formulations to induce representative species-specific responses to RV-A and RV-C. Expression of genes was measured by RNA-seq and differentially expressed genes were further analysed to identify enriched pathways and upstream regulators. Results: Responses to RV-A showed markedly higher upregulation of IFNG and the IFNG responsive genes CXCL9, 10 and 11 and STAT1 compared to RV-C. There was no reciprocal upregulation of Th2 cytokine genes or the Th2 chemokine genes CCL11, CCL17 and CCL22. RV-C but not RV-A induced high upregulation of CCL24 (eotaxin-2) in both non-asthmatic and asthmatic responses. Upstream regulator analysis showed both RV-A and, although to a diminished extent, RV-C induced predominant Th1 and inflammatory cytokine expression. The responses of asthmatics compared to non-asthmatics was diminished to both RV-A and RV-C while retaining the pattern for gene expression and upstream regulators characteristic of each species and there was no upregulation of Th2-type responses. All groups showed activation of the IL-17A pathway. Conclusions: RV-C induced memory cells with a lower IFNG type response than RV-A without Th2 upregulation. Asthmatics had lower recall responses than non-asthmatics while largely retaining the same gene activation profile for each species.

2020-08-10 | GSE135192 | GEO

Phenotypic responses of differentiated asthmatic human airway epithelial cultures to rhinovirus

2015-03-01 | GSE61141 | GEO

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Project description:BACKGROUND: 50% to 80% of asthma exacerbations are precipitated by viral upper respiratory tract infections (RTI), yet the influence of viral pathogen diversity on asthma outcomes is poorly understood due to the limited scope and throughput of conventional viral detection methods. METHODS: We investigated the capability of the Virochip, a DNA microarray-based viral detection platform, to characterize the viral diversity in RTIs in asthmatic and non-asthmatic adults. RESULTS: The Virochip detected viruses in a higher proportion of samples (65%) than culture isolation (17%), while exhibiting high concordance (98%), sensitivity (97%) and specificity (98%) with pathogen-specific PCR. A similar spectrum of viruses was identified in the RTIs from each patient subgroup; however, unexpected diversity among the coronaviruses (HCoVs) and HRVs was revealed. All but one of the HCoVs corresponded to the newly-recognized HCoV-NL63 and HCoV-HKU1 viruses, and over 20 different serotypes of HRVs were detected, including a set of 5 divergent isolates that form a distinct genetic subgroup. CONCLUSIONS: The Virochip can detect both known and novel variants of viral pathogens present in RTIs. Given the diversity detected here, larger scale studies will be necessary to determine if particular substrains of viruses confer an elevated risk of asthma exacerbation This SuperSeries is composed of the SubSeries listed below.

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Transcription profiling of human bronchial epithelial cells from normal and asthmatic subjects exposed to either ozone or rhinovirus

Project description:The exacerbation of disease in asthmatics has been linked to both exposure to environmental agents as well as to the presence of virus in airways, particularly rhinovirus. The hypothesis tested in these experiments is that differences in gene expression profiles in epithelial cells derived from asthmatic and normal airways can be linked to enhanced responsiveness of the epithelium in its pro-inflammatory, immulogic or other activities that may lead to the exacerbation of disease.

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Enterovirus

Project description:Rhinovirus raw sequence reads

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Pan-viral screening of respiratory tract infections in asthmatic and non-asthmatic adults

Project description:Pan-viral screening of respiratory tract infections in asthmatic and non-asthmatic adults

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Differential gene expression of lymphocytes stimulated with rhinovirus species A and C in asthmatic and non-asthmatic children

Project description:Differential gene expression of lymphocytes stimulated with rhinovirus species A and C in asthmatic and non-asthmatic children

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