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Showing 1-30 of 3090 results for "58-58-2" within Papers
Na Li et al.
Cell reports, 35(6), 109091-109091 (2021-05-08)
It is urgent and important to understand the relationship of the widespread severe acute respiratory syndrome coronavirus clade 2 (SARS-CoV-2) with host immune response and study the underlining molecular mechanism. N6-methylation of adenosine (m6A) in RNA regulates many physiological and
Abhilash Kannan et al.
Viruses, 14(7) (2022-07-28)
Pathogen-associated molecular patterns, including cytoplasmic DNA and double-strand (ds)RNA trigger the induction of interferon (IFN) and antiviral states protecting cells and organisms from pathogens. Here we discovered that the transfection of human airway cell lines or non-transformed fibroblasts with 24mer
Adam Hage et al.
Cell reports, 38(10), 110434-110434 (2022-03-10)
Type I interferons (IFN-I) are essential to establish antiviral innate immunity. Unanchored (or free) polyubiquitin (poly-Ub) has been shown to regulate IFN-I responses. However, few unanchored poly-Ub interactors are known. To identify factors regulated by unanchored poly-Ub in a physiological
Keli Chen et al.
Viruses, 13(1) (2021-01-06)
SARS-CoV-2 is highly pathogenic in humans and poses a great threat to public health worldwide. Clinical data shows a disturbed type I interferon (IFN) response during the virus infection. In this study, we discovered that the nucleocapsid (N) protein of
Mikkel Søes Ibsen et al.
Nucleic acids research, 43(10), 5236-5248 (2015-05-01)
The oligoadenylate synthetase (OAS) enzymes are cytoplasmic dsRNA sensors belonging to the antiviral innate immune system. Upon binding to viral dsRNA, the OAS enzymes synthesize 2'-5' linked oligoadenylates (2-5As) that initiate an RNA decay pathway to impair viral replication. The
Osamu Ishibashi et al.
Science signaling, 4(198), ra74-ra74 (2011-11-10)
Short double-stranded RNAs (dsRNAs) induce type I interferon (IFN)-mediated innate immune responses. In functional studies with short interfering RNAs or synthetic mimics of microRNA precursors in vitro, we found that short dsRNAs readily induced apoptosis in cells derived from human
Xin Liu et al.
Journal of immunology (Baltimore, Md. : 1950), 195(10), 4943-4952 (2015-10-16)
Fibroblast growth factor (FGF)2,which is one of the 22 members of the FGF family, functions as an extracellular molecule involved in canonical receptor tyrosine kinase signaling. It has been implicated in angiogenesis and the development of the CNS. In this
Atsuko Masumi et al.
Biochemical and biophysical research communications, 391(4), 1623-1628 (2009-12-26)
Chronic hepatitis C patients carry the risk of developing into B-cell non-Hodgkin's lymphoma (B-NHL). To clarify the mechanisms underlying this association, we first investigated the molecular markers of B cells from hepatitis C virus (HCV)-infected patients. CD19-positive cells were isolated
Yi Zheng et al.
Signal transduction and targeted therapy, 5(1), 299-299 (2020-12-30)
Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has quickly spread worldwide and has affected more than 10 million individuals. A typical feature of COVID-19 is the suppression of type I and III interferon (IFN)-mediated
Qing Wang et al.
Molecular and cellular endocrinology, 436, 183-194 (2016-08-02)
Mumps virus (MuV) infection may lead to oophoritis and perturb ovarian function. However, the mechanisms underlying the activation of innate immune responses to MuV infection in the ovary have not been investigated. This study showed that Toll-like receptor 2 (TLR2)
Hong Huo et al.
Veterinary microbiology, 230, 78-85 (2019-03-05)
Retinoic acid-inducible gene I (RIG-I) is a nucleic acid sensor that plays a key role in host antiviral defenses. Duck viral enteritis (DEV) is a DNA virus that causes significant economic losses to the poultry industry worldwide. Although RIG-I is
H Sakaki et al.
Oral microbiology and immunology, 20(1), 47-50 (2004-12-23)
Retinoic acid-inducible gene-I (RIG-I) is a member of the DExH box family protein, and details of its biological function are not known. We have studied the mechanism of the interleukin-1beta (IL-1beta)-induced RIG-I expression in human gingival fibroblasts in culture. We
Elizabeth J Mateer et al.
Frontiers in cellular and infection microbiology, 8, 251-251 (2018-08-09)
An important step in the initiation of the innate immune response to virus infection is the recognition of non-self, viral RNA, including double-stranded RNA (dsRNA), by cytoplasmic pattern recognition receptors (PRRs). For many positive-sense RNA viruses and DNA viruses, the
Alissa M Pham et al.
PLoS pathogens, 12(3), e1005489-e1005489 (2016-03-05)
Sensing invading pathogens early in infection is critical for establishing host defense. Two cytosolic RIG-like RNA helicases, RIG-I and MDA5, are key to type I interferon (IFN) induction in response to viral infection. Mounting evidence suggests that another viral RNA
Adrish Sen et al.
Journal of virology, 85(8), 3717-3732 (2011-02-11)
In mouse embryonic fibroblasts (MEFs), the bovine rotavirus (UK strain) but not the simian rhesus rotavirus (RRV) robustly triggers beta interferon (IFN-β) secretion, resulting in an IFN-dependent restriction of replication. We now find that both rotavirus strains trigger antiviral transcriptional
Koji Onomoto et al.
PloS one, 7(8), e43031-e43031 (2012-08-23)
Retinoic acid inducible gene I (RIG-I)-like receptors (RLRs) function as cytoplasmic sensors for viral RNA to initiate antiviral responses including type I interferon (IFN) production. It has been unclear how RIG-I encounters and senses viral RNA. To address this issue
Yen-Lurk Lee et al.
Cell reports, 33(3), 108269-108269 (2020-10-22)
Eukaryotic mRNAs are 5' end capped with a 7-methylguanosine, which is important for processing and translation of mRNAs. Cap methyltransferase 1 (CMTR1) catalyzes 2'-O-ribose methylation of the first transcribed nucleotide (N1 2'-O-Me) to mask mRNAs from innate immune surveillance by
Alexandra Atalis et al.
Journal of controlled release : official journal of the Controlled Release Society, 347, 476-488 (2022-05-17)
Despite success in vaccinating populations against SARS-CoV-2, concerns about immunity duration, continued efficacy against emerging variants, protection from infection and transmission, and worldwide vaccine availability remain. Molecular adjuvants targeting pattern recognition receptors (PRRs) on antigen-presenting cells (APCs) could improve and
Chen Zhao et al.
Proceedings of the National Academy of Sciences of the United States of America, 102(29), 10200-10205 (2005-07-13)
IFN-alpha/beta plays an essential role in innate immunity against viral and bacterial infection. Among the proteins induced by IFN-alpha/beta are the ubiquitin-like ISG15 protein and its E1- (Ube1L) and E2- (UbcH8) conjugating enzymes, leading to the conjugation of ISG15 to
Tadaatsu Imaizumi et al.
Biochemical and biophysical research communications, 292(1), 274-279 (2002-03-14)
Bacterial lipopolysaccharides (LPS) induce expression of multiple genes in endothelial cells, which are critical cellular effectors in various pathologic syndromes. Using subtractive hybridization to identify genes that are differentially induced in human endothelial cells treated with LPS, we found that
Yongzhen Liu et al.
mBio, 12(5), e0233521-e0233521 (2021-09-22)
Newly emerged severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) caused a global pandemic with astonishing mortality and morbidity. The high replication and transmission of SARS-CoV-2 are remarkably distinct from those of previous closely related coronaviruses, and the underlying molecular mechanisms
Subba Rao Nallagatla et al.
Science (New York, N.Y.), 318(5855), 1455-1458 (2007-12-01)
Molecular patterns in pathogenic RNAs can be recognized by the innate immune system, and a component of this response is the interferon-induced enzyme RNA-activated protein kinase (PKR). The major activators of PKR have been proposed to be long double-stranded RNAs.
Kin-Hang Kok et al.
Cell host & microbe, 9(4), 299-309 (2011-04-20)
RIG-I, a virus sensor that triggers innate antiviral response, is a DExD/H box RNA helicase bearing structural similarity with Dicer, an RNase III-type nuclease that mediates RNA interference. Dicer requires double-stranded RNA-binding protein partners, such as PACT, for optimal activity.
Yan Liu et al.
Frontiers in immunology, 12, 688758-688758 (2021-07-06)
Coronaviruses (CoVs) are a known global threat, and most recently the ongoing COVID-19 pandemic has claimed more than 2 million human lives. Delays and interference with IFN responses are closely associated with the severity of disease caused by CoV infection.
Hendrik Poeck et al.
Nature medicine, 14(11), 1256-1263 (2008-11-04)
Genetic and epigenetic plasticity allows tumors to evade single-targeted treatments. Here we direct Bcl2-specific short interfering RNA (siRNA) with 5'-triphosphate ends (3p-siRNA) against melanoma. Recognition of 5'-triphosphate by the cytosolic antiviral helicase retinoic acid-induced protein I (Rig-I, encoded by Ddx58)
Darong Yang et al.
PloS one, 9(4), e94501-e94501 (2014-04-15)
The interaction between hepatitis C virus (HCV) and human hepatic innate antiviral responses is unclear. The aim of this study was to examine how human hepatocytes respond to HCV infection. An infectious HCV isolate, JFH1, was used to infect a
Wenjing Wang et al.
Cellular & molecular immunology, 18(4), 945-953 (2021-02-28)
SARS-CoV-2 is the pathogenic agent of COVID-19, which has evolved into a global pandemic. Compared with some other respiratory RNA viruses, SARS-CoV-2 is a poor inducer of type I interferon (IFN). Here, we report that SARS-CoV-2 nsp12, the viral RNA-dependent
Luciano Castiello et al.
Cancer immunology, immunotherapy : CII, 68(9), 1479-1492 (2019-08-30)
RIG-I is a cytosolic RNA sensor that recognizes short 5' triphosphate RNA, commonly generated during virus infection. Upon activation, RIG-I initiates antiviral immunity, and in some circumstances, induces cell death. Because of this dual capacity, RIG-I has emerged as a
Lucy G Thorne et al.
The EMBO journal, 40(15), e107826-e107826 (2021-06-09)
SARS-CoV-2 infection causes broad-spectrum immunopathological disease, exacerbated by inflammatory co-morbidities. A better understanding of mechanisms underpinning virus-associated inflammation is required to develop effective therapeutics. Here, we discover that SARS-CoV-2 replicates rapidly in lung epithelial cells despite triggering a robust innate
Ingvild Bjellmo Johnsen et al.
Cellular signalling, 25(9), 1804-1812 (2013-05-28)
Antiviral responses can be triggered by the cytoplasmic RNA helicase RIG-I that binds to viral RNA. RIG-I-mediated signaling stimulates the transcription factors IRF3 and NF-κB and their activation mechanisms have been intensively studied. Here we examined Sendai virus (SV)-mediated activation
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