MiRNA degradation by NS3 of JEV [miRNA]
Ontology highlight
ABSTRACT:
ORGANISM(S): Mus musculus
PROVIDER: GSE148030 | GEO | 2020/04/04
REPOSITORIES: GEO
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Project description:Japanese Encephalitis (JE) is an important causal of viral encephalitis in Eastern and Southeast Asia. Neuronal injury and varying degrees of neuroinflammation are often pathological hallmarks of JE, which result in high morbility and mortality rates. However, a clear understanding on neuron cells' responses to JEV infection remains elusive. This study, therefore, utilized the Affymetrix Human PrimeView array for a robust profiling of JEV infected SK-N-MC cells during the active phase of infection in order to investigate the molecular details of the host cell responses.
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Project description:MiRNA degradation by NS3 of JEV [miRNA]
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Project description:In order to further determine the changes in gene expression levels of Japanese encephalitis virus (JEV) C57BL / 6 mice after infection, we used the Agilent single-channel expression profile chip as a platform to detect the total brain tissue of mice in the uninfected (control) and experimental groups Compared with the control group, it was found that the gene expression levels of several mice in the experimental group were lower than those in the control group. We selected ten or so genes with significant changes for verification, and the results were consistent.
2020-04-04 | GSE148029 | GEO
Project description:B16F10, a murine melanoma cel line is cytolytic to JEV infection. We have identified a B16F10 cell line variant which is non-cytolytic to JEV infection. This variant cell line has two types of cells, one which is persistently infected JEV and another which is resistant to JEV infection. The JEV-resistant cells (B16F10r) were seperated from the presistently infected cells by single cell cloning. To understand the mechanism of JEV resistance microarray analysis was caried out to Identify and characterize genes differentially expressed during in uninfected/JEV-infected B16F10 and B16F10r cells.
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Project description:B16F10, a murine melanoma cel line is cytolytic to JEV infection. We have identified a B16F10 cell line variant which is non-cytolytic to JEV infection. This variant cell line has two types of cells, one which is persistently infected JEV and another which is resistant to JEV infection. The JEV-resistant cells (B16F10r) were seperated from the presistently infected cells by single cell cloning. To understand the mechanism of JEV resistance microarray analysis was caried out to Identify and characterize genes differentially expressed during in uninfected/JEV-infected B16F10 and B16F10r cells. Agilent one-color experiment,Organism: Mus musculus ,Agilent Custom Mouse Whole Genome Mouse 8x60k Gene expression designed by Genotypic Technology Private Limited, Labeling kit: Agilent Quick-Amp labeling Kit (p/n5190-0442)
2013-08-01 | E-GEOD-42942 | biostudies-arrayexpress
Project description:MiRNA degradation by NS3 of JEV
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Project description:MiRNA degradation by NS3 of JEV [mRNA]
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Project description:Infection by neurotropic virus Japanese Encephalitis Virus (JEV) is characterized by profound neuronal cell death and neuroinflammation. Long non-coding RNAs (lncRNAs) are critical regulatory players in diverse biological processes, including viral pathogenesis. We use whole transcriptomic sequencing to identify a lncRNA JINR1 (JEV-induced non-coding RNA 1) induced upon JEV infection in neuronal cells. Transcription factor NF-κB triggers JINR-1 expression during JEV infection. Loss of JINR-1 impairs virus replication and reduces JEV-induced neuronal cell death and expression of genes involved in ER stress and neuroinflammation. Mechanistically, JINR1 inhibits the expression of mir-216-5p, which inhibits host factors GRP78 and c-JUN and the viral genome. In line with its role as a pro-viral host factor, JINR1 interacts with RBM10 and NF-κB to promote the expression of genes involved in ER stress and neuroinflammation. Our results suggest a role for JINR-1 in promoting JEV-induced cell death and neuroinflammation.
2023-02-28 | GSE221680 | GEO
Project description:- Japanese encephalitis virus (JEV) is a mosquito-borne flavivirus, and leading cause of neurological infection in Asia and the Pacific, with recent emergence in multiple territories in Australia in 2022. Patients may experience devastating socioeconomic consequences; JEV infection (JE) predominantly affects children in poor rural areas, has a 20-30% case fatality rate, and 30-50% of survivors suffer long-term disability. JEV RNA is rarely detected in patient samples, and the standard diagnostic test is an anti-JEV IgM ELISA with sub-optimal specificity; there is no means of detection in more remote areas. We aimed to test the hypothesis that there is a diagnostic protein signature of JE in human cerebrospinal fluid (CSF), and contribute to understanding of the host response and predictors of outcome during infection. We retrospectively tested a cohort of 163 patients recruited as part of the Laos central nervous system infection study. Application of liquid chromatography and tandem mass spectrometry (LC-MS/MS), using extensive offline fractionation and tandem mass tag labelling, enabled a comparison of the CSF proteome in 68 JE patient vs 95 non-JE neurological infections. 5,070 proteins were identified, including 4,805 human proteins and 265 pathogen proteins. We incorporated univariate analysis of differential protein expression, network analysis and machine learning techniques to build a ten-protein diagnostic signature of JE with >99% diagnostic accuracy. Pathways related to JE infection included neuronal damage, anti-apoptosis, heat shock and unfolded protein responses, cell adhesion, macrophage and dendritic cell activation as well as a reduced acute inflammatory response, hepatotoxicity, activation of coagulation, extracellular matrix and actin regulation. We verified the results by performing DIA LC-MS/MS in 16 (10%) of the samples, demonstrating 87% accuracy using the same model. Ultimately, antibody-based validation will be required, in a larger group of patients, in different locations and in field settings, to refine the list to 2-3 proteins that could be harnessed in a rapid diagnostic test.
2023-06-08 | PXD034789 | Pride
Project description:Flaviviruses, particularly Japanese encephalitis virus (JEV) and West Nile virus (WNV), are important causes of virus-induced central nervous system (CNS) disease in humans. We used microarray analysis to identify cellular genes that are differentially regulated following infection of the brain with JEV (P3) or WNV (New York 99). Gene expression data for these flaviviruses was compared to that induced following infection of the brain with reovirus (Type 3 Dearing), an unrelated neurotropic virus. Although several studies have described gene expression changes following virus infection of the brain, this report is the first to directly compare large-scale gene expression data from different viruses. We found that a large number of genes were up-regulated in common to infections with all 3 viruses (fold change > 2, P < 0.001), including genes associated with interferon signaling, the immune system, inflammation and cell death/survival signaling. In addition, genes associated with glutamate signaling were down-regulated in common to infections with all 3 viruses (fold change > 2, P < 0.001). These genes may serve broad spectrum therapeutic targets for virus-induced CNS disease. A distinct set of genes were up-regulated following flavivirus-infection, but not following infection with reovirus. These genes were associated with tRNA charging and may serve as therapeutic targets for flavivirus-induce CNS disease. Gene expression in the brain following WNV or JEV infection. WNV- or JEV-infected (N=3) vs. mock-infected (N=3) mouse brain.
2014-01-03 | E-GEOD-53784 | biostudies-arrayexpress