Abstract:
:Dendritic cells (DCs) play a central role in instructing antiviral immune responses. DCs, however, can become targeted by different viruses themselves. We recently demonstrated that human DCs can be productively infected with echoviruses (EVs), but not coxsackie B viruses (CVBs), both of which are RNA viruses belonging to the Enterovirus genus of the Picornaviridae family. We now show that phagocytosis of CVB-infected, type I interferon-deficient cells induces an antiviral state in human DCs. Uptake of infected cells increased the expression of the cytoplasmic RNA helicases retinoic acid-inducible gene I and melanoma differentiation-associated gene 5 as well as other interferon-stimulated genes and protected DCs against subsequent infection with EV9. These effects depended on recognition of viral RNA and could be mimicked by exposure to the synthetic double-stranded RNA analogue poly(I:C) but not other Toll-like receptor (TLR) ligands. Blocking endosomal acidification abrogated protection, suggesting a role for TLRs in the acquisition of an antiviral state in DCs. In conclusion, recognition of viral RNA rapidly induces an antiviral state in human DCs. This might provide a mechanism by which DCs protect themselves against viruses when attracted to an environment with ongoing infection.
journal_name
J Viroljournal_title
Journal of virologyauthors
Kramer M,Schulte BM,Toonen LW,Barral PM,Fisher PB,Lanke KH,Galama JM,van Kuppeveld FJ,Adema GJdoi
10.1128/JVI.02376-07subject
Has Abstractpub_date
2008-03-01 00:00:00pages
2930-7issue
6eissn
0022-538Xissn
1098-5514pii
JVI.02376-07journal_volume
82pub_type
杂志文章abstract::Xenotropic murine leukemia virus-related virus (XMRV) is a novel human gammaretrovirus discovered in association with human prostate tumors. XMRV was first identified in prostate stromal cells surrounding the tumors of patients carrying a mutation in the HPC1 gene locus. To determine the tropism of XMRV in cell cultur...
journal_title:Journal of virology
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.68.11.7546-7548.1994
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abstract::Parvovirus capsids are small but complex molecular machines responsible for undertaking many of the steps of cell infection, genome packing, and cell-to-cell as well as host-to-host transfer. The details of parvovirus infection of cells are still not fully understood, but the processes must involve small changes in th...
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.13.2.548-550.1974
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.70.9.6323-6335.1996
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journal_title:Journal of virology
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.01577-06
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journal_title:Journal of virology
pub_type: 杂志文章
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pub_type: 杂志文章
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journal_title:Journal of virology
pub_type: 杂志文章
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journal_title:Journal of virology
pub_type: 杂志文章
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.7.2.233-240.1971
更新日期:1971-02-01 00:00:00
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.79.14.9062-9068.2005
更新日期:2005-07-01 00:00:00
abstract::Propagation of the agents responsible for transmissible spongiform encephalopathies (TSEs) in cultured cells has been achieved for only a few cell lines. To establish efficient and versatile models for transmission, we developed neuroblastoma cell lines overexpressing type A mouse prion protein, MoPrP(C)-A, and then t...
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pub_type: 杂志文章
doi:10.1128/jvi.74.1.320-325.2000
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.12.4.721-732.1973
更新日期:1973-10-01 00:00:00
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.02749-06
更新日期:2007-06-01 00:00:00
abstract::Bats have been identified as the natural reservoir of severe acute respiratory syndrome (SARS)-like and SARS coronaviruses (SLCoV and SCoV). However, previous studies suggested that none of the currently sampled bat SLCoVs is the descendant of the direct ancestor of SCoV, based on their relatively distant phylogenetic...
journal_title:Journal of virology
pub_type: 杂志文章
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abstract::Retinoic acid-inducible gene I (RIG-I) is a key sensor for recognizing nucleic acids derived from RNA viruses and triggers beta interferon (IFN-β) production. Because of its important role in antiviral innate immunity, the activity of RIG-I must be tightly controlled. Here, we used yeast two-hybrid screening to identi...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.01073-13
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abstract::Influenza A virus encodes M2, a proton channel that has been shown to be important during virus entry and assembly. In order to systematically investigate the role of the membrane-proximal residues in the M2 cytoplasmic tail in virus replication, we utilized scanning and directed alanine mutagenesis in combination wit...
journal_title:Journal of virology
pub_type: 杂志文章
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journal_title:Journal of virology
pub_type: 杂志文章
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journal_title:Journal of virology
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/jvi.76.17.8702-8709.2002
更新日期:2002-09-01 00:00:00
abstract::The plus strand of virion DNA of duck hepatitis B virus possessed, at its 5' terminus, a capped oligoribonucleotide 18 to 19 bases in length. This oligoribonucleotide had a unique 5' end, the heterogeneity in length reflecting two distinct junctions with plus-strand DNA that were 1 base apart. The sequence of the RNA ...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.57.1.229-236.1986
更新日期:1986-01-01 00:00:00
abstract::Axl, a plasma membrane-associated Tyro3/Axl/Mer (TAM) family member, is necessary for optimal Zaire ebolavirus (ZEBOV) glycoprotein (GP)-dependent entry into some permissive cells but not others. To date, the role of Axl in virion entry is unknown. The focus of this study was to characterize entry pathways that are us...
journal_title:Journal of virology
pub_type: 杂志文章
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更新日期:2011-01-01 00:00:00
abstract::In this study, we show that replication-competent subgenomic hepatitis C virus (HCV) RNA can be transferred to permissive Huh7 cells, leading to the establishment of viral RNA replication. Further, we show that these events are mediated by exosomes rather than infectious virus particles. If similar events occur in viv...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.02721-14
更新日期:2015-03-01 00:00:00
abstract::The CC-chemokines RANTES, macrophage inflammatory protein 1alpha (MIP-1alpha), and MIP-1beta are natural ligands for the CC-chemokine receptor CCR5. MIP-1alpha, also known as LD78alpha, has an isoform, LD78beta, which was identified as the product of a nonallelic gene. The two isoforms differ in only 3 amino acids. LD...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.75.9.4402-4406.2001
更新日期:2001-05-01 00:00:00
abstract::The nuclear egress complex (NEC) is required for efficient translocation of newly synthesized herpesvirus nucleocapsids from the nucleus to the cytosol. It consists of the type II membrane protein pUL34 which interacts with pUL31 at the inner nuclear membrane (INM). To map regions within pUL34 required for nuclear mem...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.00021-13
更新日期:2013-04-01 00:00:00
abstract::Herpes simplex virus type 1 (HSV-1) DNA and RNA have been detected in peripheral nervous system (PNS) and central nervous system (CNS) tissues of latently infected mice. However, explant methods are successful in reactivating HSV-1 only from latently infected PNS tissues. In this report, latent herpesvirus infections ...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.62.3.749-756.1988
更新日期:1988-03-01 00:00:00
abstract::Most strains of human immunodeficiency virus type 1 (HIV-1) which have only been carried in vitro in peripheral blood mononuclear cells (primary isolates) can be neutralized by antibodies, but their sensitivity to neutralization varies considerably. To study the parameters that contribute to the differential neutraliz...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.72.9.6988-6996.1998
更新日期:1998-09-01 00:00:00
abstract::A 4,500-bp BamHI fragment, located within the HindIII A segment of the vaccinia virus genome, was found to contain eight potential coding regions for polypeptides of 78 to 346 amino acids. The open reading frames with 133, 346, and 125 codons were homologous to profilin (an actin-binding protein), 3-beta-hydroxysteroi...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.65.9.4598-4608.1991
更新日期:1991-09-01 00:00:00