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Interferon regulatory factor 7

IRF-7, Interferon Regulatory Factor-7
IRF7 encodes interferon regulatory factor 7, a member of the interferon regulatory transcription factor (IRF) family. IRF7 has been shown to play a role in the transcriptional activation of virus-inducible cellular genes, including interferon beta chain genes. Inducible expression of IRF7 is largely restricted to lymphoid tissue. Multiple IRF7 transcript variants have been identified, although the functional consequences of these have not yet been established. [provided by RefSeq, Jul 2008] (from NCBI)
Top mentioned proteins: IRF, Interferon Regulatory Factor-3, CAN, V1a, MyD88
Papers using IRF-7 antibodies
Development of reverse genetics systems for bluetongue virus: recovery of infectious virus from synthetic RNA transcripts
Supplier
Roy Polly et al., In Virology Journal, 2007
... Anti-IRF-3 (FL-425, sc9082) and anti-IRF-7 (H-246, sc9083) polyclonal antibodies were purchased from Santa Cruz.Alkaline phophatase conjugated secondary antibodies were purchased from Millipore (mouse) and Sigma Aldrich (guinea pig and rabbit) ...
Papers on IRF-7
DNA-Demethylating Agents Target Colorectal Cancer Cells by Inducing Viral Mimicry by Endogenous Transcripts.
New
Impact
De Carvalho et al., Toronto, Canada. In Cell, 27 Sep 2015
This is associated with induction of dsRNAs derived at least in part from endogenous retroviral elements, activation of the MDA5/MAVS RNA recognition pathway, and downstream activation of IRF7.
Expression profiles and interaction suggest TBK1 can be regulated by Nrdp1 in response to immune stimulation in large yellow croaker Larimichthys crocea.
New
Wang et al., Xiamen, China. In Fish Shellfish Immunol, 17 Sep 2015
UNASSIGNED: TBK1 has been extensively studied in mammals because of its important roles as a molecular bridge, linking the TLRs (TLR3 and TLR4) and RLRs signals to activate transcriptional factors IRF3 and IRF7 for IFN-I production.
HCV dsRNA-Activated Macrophages Inhibit HCV Replication in Hepatocytes.
New
Ho et al., Shanghai, China. In Hepat Mon, 31 Aug 2015
HCV dsRNA also induced the expression of TLR3 and IFN regulatory factor-7 (IRF-7), the key regulators of the IFN signaling pathway.
Infectious disease. Life-threatening influenza and impaired interferon amplification in human IRF7 deficiency.
New
Impact
Casanova et al., New York City, United States. In Science, May 2015
We report compound heterozygous null mutations in IRF7, which encodes the transcription factor interferon regulatory factor 7, in an otherwise healthy child who suffered life-threatening influenza during primary infection.
Ubiquitin as a regulator of IFN production in the antiviral response.
New
Matuszyk et al., Panama. In Postepy Hig Med Dosw (online), Dec 2014
Such mechanisms engage signaling cascades which, in the initial phase of infection, lead to the activation of the NF-κB pathway and IFN regulatory factors (IRF-3, IRF-7) which directly control the production of IFNs.
Bifunctional siRNA Containing Immunostimulatory Motif Enhances Protection Against Pandemic H1N1 Virus Infection.
New
Parida et al., Gwalior, India. In Curr Gene Ther, Dec 2014
Besides, the qRT-PCR and western blot analysis confirmed higher antiviral response of immunostimulatory siRNA was due to upregulation of TLR-7 MyD88, IRF-7 and IFN-α.
Transcriptional analysis of immune-related gene expression in p53-deficient mice with increased susceptibility to influenza A virus infection.
New
Ma et al., Shanghai, China. In Bmc Med Genomics, Dec 2014
A significantly attenuated expression of Ifng (encoding interferon (IFN)-gamma), Irf7 (encoding IFN regulator factor 7), and antiviral genes, such as Mx2 and Eif2ak2 (encoding PKR), were observed in IAV-infected p53KO mice, suggesting an impaired IFN-mediated immune response against IAV infection in the absence of p53.
The histidine transporter SLC15A4 coordinates mTOR-dependent inflammatory responses and pathogenic antibody production.
New
Impact
Toyama-Sorimachi et al., Tokyo, Japan. In Immunity, Oct 2014
SLC15A4 loss disturbed the endolysosomal pH regulation and probably the v-ATPase integrity, and these changes were associated with disruption of the mTOR pathway, leading to failure of the IFN regulatory factor 7 (IRF7)-IFN-I regulatory circuit.
[Current research on picornavirus 3C protease].
Review
New
Duan et al., Beijing, China. In Bing Du Xue Bao, Sep 2014
Innate immune adaptors such as TRIF, MAVS, IRF3, IRF7 and NEMO have various potential cleavage sites in picornavirus 3Cpro (TRIF and NEMO show considerable diversity in their cleavage sites).
IRF5-mediated signaling and implications for SLE.
Review
New
Jefferies et al., Dublin, Ireland. In Clin Immunol, Aug 2014
In addition to IRF3 and IRF7, the transcription factor IRF5 has been shown to be involved in type I IFN production and interestingly, polymorphisms of the IRF5 gene in humans can result in risk or protective haplotypes with regard to SLE susceptibility.
Common genetic variants modulate pathogen-sensing responses in human dendritic cells.
New
Impact
Hacohen et al., Cambridge, United States. In Science, Apr 2014
We also identified a common variant in IRF7 that is associated in trans with type I IFN induction in response to influenza infection.
Host-cell sensors for Plasmodium activate innate immunity against liver-stage infection.
Impact
Mota et al., Lisbon, Portugal. In Nat Med, 2014
This response, initiated by liver-resident cells through the adaptor molecule for cytosolic RNA sensors, Mavs, and the transcription factors Irf3 and Irf7, is propagated by hepatocytes in an interferon-α/β receptor-dependent manner.
NF-κB and IRF7 pathway activation by Epstein-Barr virus Latent Membrane Protein 1.
Review
Gewurz et al., Boston, United States. In Viruses, 2013
LMP1 mimics CD40 receptor signaling to provide infected cells with constitutive NF-κB, MAP kinase, IRF7, and PI3 kinase pathway stimulation.
[Multilevel maturation of Toll-like receptor 9].
Review
Siednienko et al., Panama. In Postepy Hig Med Dosw (online), 2012
Ligand binding to TLR9 causes conformational changes in the structure of this receptor which facilitates recruitment of MyD88 adaptor protein and activation of two distinct cytokine-inducing pathways: IRF-7- and NF-κB-dependent.
The role of type 1 interferon in systemic sclerosis.
Review
Assassi et al., Houston, United States. In Front Immunol, 2012
Polymorphisms in the Interferon regulatory factor (IRF)-5, IRF7, and IRF8 are associated with SSc, Similarly, polymorphism of Signal Transducer and Activator of Transcription (STAT)-4, has been established as a genetic risk factor of SSc.
Interferon response factors 3 and 7 protect against Chikungunya virus hemorrhagic fever and shock.
GeneRIF
Suhrbier et al., Brisbane, Australia. In J Virol, 2012
Chikungunya virus infection of adult mice deficient in interferon response factors 3 and 7 (IRF3/7(-/-)) is lethal. Mortality was associated with undetectable levels of alpha/beta interferon.
ORF45 of Kaposi's sarcoma-associated herpesvirus inhibits phosphorylation of interferon regulatory factor 7 by IKKε and TBK1 as an alternative substrate.
GeneRIF
Zhu et al., Tallahassee, United States. In J Virol, 2012
phosphorylation of IRF7 on Ser477 and Ser479 by IKKepsilon or TBK1 is inhibited by KSHV ORF45
Differential impact of interferon regulatory factor 7 in initiation of the type I interferon response in the lymphocytic choriomeningitis virus-infected central nervous system versus the periphery.
GeneRIF
Thomsen et al., Copenhagen, Denmark. In J Virol, 2012
Collectively, these data demonstrate that the early type I IFN response to lymphocytic choriomeningitis virus infection in the central nervous system is controlled by a concerted action of IRF3 and -7.
IRF7, a functional factor associates with systemic lupus erythematosus.
Review
GeneRIF
Ye et al., Hefei, China. In Cytokine, 2012
discuss the association of IRF7 and SLE based on recent understandings to render more information about the mechanisms of IRF7 might perform in
Cutting edge: independent roles for IRF-3 and IRF-7 in hematopoietic and nonhematopoietic cells during host response to Chikungunya infection.
GeneRIF
Albert et al., Paris, France. In J Immunol, 2012
IRF-3 & IRF-7 are functionally redundant in an age-dependent manner. Lack of both results in lethal Chikungunya infection in adult mice.
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