RNA-Sequencing data of Varicella Zoster Virus (VZV)-infected human dermal fibroblasts (HDF)
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ABSTRACT:
PROVIDER: PRJNA497243 | ENA |
REPOSITORIES: ENA
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Project description:RNA profiles of HDF infected with various VZV strains were generated by High-throughput sequencing using Illumina Hi-seq 2500
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Project description:Varicella-zoster virus (VZV), an alphaherpesvirus, causes chickenpox (varicella) in young children with an annual minimum of 140 million new cases and herpes zoster in senior, a painful and debilitating disease with 3-5‰ incidence. A complex structural transcriptome of VZV, which numerous novel transcripts, transcript isoforms, and unknown splice events are found during cell infection. Circular RNA (circRNA), a newly important component of the transcriptome, is increasing discoveries of circRNA function in mammalian cells. However, VZV encoded circRNA remains unexplored. In this study we demonstration that VZV derived circRNAs are biologically functional and contributed to viral pathogenesis. Using deep RNA-seq following RNase R treatment, we identified and charactered 35, 076 and 54 human and VZV pOka strain circRNAs respectively from VZV infected neuroblastoma cell (SH-SY5Y).
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Project description:Varicella-zoster virus (VZV), an alphaherpesvirus, causes chickenpox (varicella) in young children with an annual minimum of 140 million new cases and herpes zoster in senior, a painful and debilitating disease with 3-5‰ incidence. A complex structural transcriptome of VZV, which numerous novel transcripts, transcript isoforms, and unknown splice events are found during cell infection. Circular RNA (circRNA), a newly important component of the transcriptome, is increasing discoveries of circRNA function in mammalian cells. However, VZV encoded circRNA remains unexplored. The code used in this study and extended data are available from the GitHub repository (https://github.com/ShaominYang/VZV_circRNA)
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Project description:quiescent and productive infection of varicella zoster virus in human embryonic stem stem cell-derived neurons
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Project description:In this study, we screened the differentially expressed genes (DEGs) in SH-SY5Y cells with Varicella-Zoster Virus-Infected using RNAseq technique to explore the molecular mechanisms of Herpes zoster pain
2021-05-12 | GSE141932 | GEO
Project description:Hosts have evolved numerous mechanisms to prevent primary viral infections. Interferon signaling is an important host defense mechanism against primary infection. Interferon gamma (IFN-γ) is a potent cytokine produced following primary varicella-zoster virus (VZV) infection. Furthermore, VZV reactivation correlates with a decline in IFN-γ-producing immune cells. Our previous results showed that pretreatment with 20 ng/ml of IFN-γ completely inhibited VZV replication in lung fibroblast MRC-5 and retinal epithelial ARPE-19, suggesting that IFN-γ-stimulated protein(s) inhibit viral replication. Our microarray analysis revealed that a small subset of interferon-stimulated genes (ISGs) was upregulated by greater than 3.5-fold at 8 h post-treatment in both ARPE-19 and MRC-5 cells compared to those of melanoma MeWo cells. The depletion of IFITM1 and IRF1 by siRNA in IFN-γ-treated cells significantly increased (from 0 to ~1x103 pfu/105 cells) VZV yields. In contrast, the depletion of a nontargeting control (siNTC) did not increase virus yield. Ectopic expression of interferon-induced transmembrane protein 1 (IFITM1) reduced the level of IE62 protein as well as intracellular VZV yield in both ARPE-19 and MeWo cells, but did not reduce the expression level of IE62 mRNA, suggesting that IFITM1 expression reduces the expression level of IE62 by post-transcriptional regulation. IFITM1 also reduced the expression levels of VZV IE62, HSV-1 ICP4, and EHV-1 IEP in ARPE-19 cells
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Project description:Neuronal reactivation of latent varicella zoster virus (VZV) causes debilitating and protracted pain (post herpetic neuralgia: PHN) in a significant fraction of patients. Productive infection of VZV seems to occur only in humans and primates, so VZV-infected human cells (e.g., MEWO cell line) are used to transmit VZV to rodents. A commonly accepted method of assessing nociception is ipsilateral nocifensive (pain avoidance) behavior in rats which have been injected in a footpad. No such behavioral change is associated with the contralateral (uninjected) footpad. Uninfected MEWO cells or VZV-infected MEWO cells were inoculated into the glabrous region of the right rear footpad of male Sprague-Dawley rats. By 9 days post-inoculation, there was a VZV-dependent decrease in the frequency of neurites that extend from the dermis past the stratum basale layer of the footpad epidermis. Between 7 days and 21 days post-inoculation there was a VZV-dependent increase in nocifensive behaviours in the rats. All VZV-dependent effects occurred in the absence of the productive VZV infection. That is, the virus entered rodent cells and expressed immediate early and early genes, but did not express late genes, synthesize viral DNA, or release infectious virions. Animals which had developed VZV-dependent nocifensive behaviours at 10 days were euthanized, and dorsal root ganglia (L4,5) ipsilateral to inoculation were taken for microarray analysis. Dorsal root ganglia from matching control animals were also analyzed. Control (uninfected MEWO cells) or VZV-infected MEWO cells were inoculated into the glabrous region of the right rear footpad of male Sprague-Dawley rats. After development of ipsilateral nocifensive behaviour in the VZV-infected animals, the ipsilateral dorsal root ganglia (L4,5) from infected and control animals were taken for microarray analysis.
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Project description:During primary infection, varicella-zoster virus (VZV) is spread via lymphocytes to skin, where it induces a rash and establishes latency in sensory ganglia. A live, attenuated varicella vaccine (vOka) was generated by using the VZV Oka strain (pOka), but the molecular basis for vOka attenuation remains unknown. Little is known concerning the effects of wild-type or attenuated VZV on cellular gene regulation in the host cells that are critical for pathogenesis. In this study, transcriptional profiles of primary human T cells and fibroblasts infected with VZV in cell culture were determined by using 40,000-spot human cDNA microarrays. Cellular gene transcription in human skin xenografts in SCID mice that were infected with VZV in vivo was also evaluated. The profiles of cellular gene transcripts that were induced or inhibited in infected human foreskin fibroblasts (HFFs), T cells, and skin in response to pOka and vOka infection were similar. However, significant alterations in cellular gene regulation were observed among the three differentiated human cell types that were examined, suggesting specific differences in the biological consequences of VZV infection related to the target cell. Changes in cellular gene transcription detected by microarray analysis were confirmed for selected genes by quantitative real-time reverse transcription-PCR analysis of VZV-infected cells. Interestingly, the transcription of caspase 8 was found to be decreased in infected T cells but not in HFFs or skin, which may signify a tissue-specific antiapoptosis mechanism. The use of microarrays to demonstrate differences in effects on host cell genes in primary, biologically relevant cell types provides background information for experiments to link these various response phenotypes with mechanisms of VZV pathogenesis that are important for the natural course of human infection. A pathogenicity experiment design type is where an infective agent such as a bacterium, virus, protozoan, fungus etc. infects a host organism(s) and the infective agent is assayed. Computed
2005-11-23 | E-GEOD-3666 | biostudies-arrayexpress
Project description:Neuronal reactivation of latent varicella zoster virus (VZV) causes debilitating and protracted pain (post herpetic neuralgia: PHN) in a significant fraction of patients. Productive infection of VZV seems to occur only in humans and primates, so VZV-infected human cells (e.g., MEWO cell line) are used to transmit VZV to rodents. A commonly accepted method of assessing nociception is ipsilateral nocifensive (pain avoidance) behavior in rats which have been injected in a footpad. No such behavioral change is associated with the contralateral (uninjected) footpad. Uninfected MEWO cells or VZV-infected MEWO cells were inoculated into the glabrous region of the right rear footpad of male Sprague-Dawley rats. By 9 days post-inoculation, there was a VZV-dependent decrease in the frequency of neurites that extend from the dermis past the stratum basale layer of the footpad epidermis. Between 7 days and 21 days post-inoculation there was a VZV-dependent increase in nocifensive behaviours in the rats. All VZV-dependent effects occurred in the absence of the productive VZV infection. That is, the virus entered rodent cells and expressed immediate early and early genes, but did not express late genes, synthesize viral DNA, or release infectious virions. Animals which had developed VZV-dependent nocifensive behaviours at 10 days were euthanized, and dorsal root ganglia (L4,5) ipsilateral to inoculation were taken for microarray analysis. Dorsal root ganglia from matching control animals were also analyzed.
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