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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Expression data in KSHV-infected primary rat mesenchymal precursor (MM) cells

ABSTRACT: Kaposi's sarcoma-associated herpesvirus (KSHV) can efficiently infect and transform primary rat mesenchymal precursor (MM) cells. Regulation of cell cycle progression and apoptosis by KSHV-encoded microRNAs is required for KSHV-induced cellular transformation and tumorigenesis. To determine the roles of KSHV miRs in growth deregulation, we infected MM cells with the KSHV miR cluster deletion mutant and monitored infection by examining green fluorescence protein expression from a cassette inserted in the KSHV genome.

ORGANISM(S): Rattus norvegicus

SUBMITTER: Xiaodong Cui

PROVIDER: E-GEOD-50381 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Expression data in KSHV-infected primary rat mesenchymal precursor (MM) cells

Project description:Kaposi's sarcoma-associated herpesvirus (KSHV) can efficiently infect and transform primary rat mesenchymal precursor (MM) cells. Regulation of cell cycle progression and apoptosis by KSHV-encoded microRNAs is required for KSHV-induced cellular transformation and tumorigenesis.

2013-08-28 | GSE50381 | GEO

CD109 is novel KSHV entry receptor in human endothelial cells and enhances infection during cellular senescence

Project description:The aging process is characterized by cellular functional decline and increased susceptibility to infections. Understanding the association between virus infection and aging is crucial for developing effective strategies against viral infections in older individuals. Kaposi's sarcoma-associated herpesvirus (KSHV) infection increases the risk of Kaposi's sarcoma, a vascular cancer prevalent among the elderly without HIV infection. However, the relationship between KSHV pathogenesis and cellular senescence remains unknown. Here, we demonstrate that KSHV infectivity is significantly increased in senescent human endothelial cells due to enhanced binding of virions to cell surface. Proteomic analysis identified caveolin-1 and CD109 that promote KSHV infection and were significantly upregulated in senescent cells. In particular, CD109 is expressed on cell surface and directly interacts with KSHV virions to enhance KSHV infection. Knockout of CD109 abolished while overexpression of CD109 promote KSHV binding to cell surface, and infectivity. These results identify CD109 as a novel KSHV entry receptor that enhances KSHV infection in senescent cells, which might in part explain the higher sensitivity of elder subjects to KSHV infection and Kaposi's sarcoma.

2024-04-17 | PXD048212 | Pride

HIF1α enrichment on KSHV genome in normoxia and hypoxia

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2020-11-01 | GSE149401 | GEO

Genome-wide mapping of RTA binding sites in KSHV+ PEL cells during KSHV reactivation.

Project description:Chromatin immunoprecipitation coupled with high-throughput sequencing (ChIP-seq) analysis was performed during Kaposi's sarcoma-associated herpesvirus (KSHV) reactivation in KSHV+ recombinant primary effusion B-cell lymphoma cells (PEL). RTA binding sites were identified genome-wide in a recombinant PEL cell line called TRExBCBL1-3xFLAG-RTA cells at 12 hours post-induction (hpi) of RTA expression.

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Viral RNA-binding protein KSHV ORF57 and host transcriptome

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2023-02-13 | GSE179728 | GEO

RNA-seq analysis of KSHV-infected BCBL-1 cells, a primary effusion lymphoma cell line

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Host gene expression analysis in oral epithelial cells upon KSHV infection

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CLIP-seq analysis of KSHV ORF57-associated RNAs

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Effect of LANA deletion on the host gene expression during de novo KSHV infection of SLK cells.

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2016-08-01 | GSE78282 | GEO

RIG-I and MDA5 fRIP during KSHV lytic reactivation

Project description:The RIG-I like receptors (RLRs) RIG-I and MDA5 are cytosolic RNA helicases best characterized as restriction factors for RNA viruses. However, evidence suggests RLRs participate in innate immune recognition of other pathogens, including DNA viruses. Kaposi's sarcoma-associated herpesvirus (KSHV) is a human gammaherpesvirus and the etiological agent of Kaposi's sarcoma and primary effusion lymphoma (PEL). We demonstrate that RIG-I and MDA5 restrict KSHV lytic reactivation in PEL. By performing fRIP-Seq, we define the in vivo RLR substrates and demonstrate that RIG-I and MDA5-mediated restriction is facilitated exclusively by the recognition of host-derived RNAs.

2018-10-11 | GSE116650 | GEO

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