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The relative resistance of hepatitis C virus genotype I to interferon-based therapy has been attributed in part to homology between viral envelope protein E2 and host protein kinase R, a mediator of interferon-induced suppression of viral protein translation, [33] [34] although mechanisms of acquired and intrinsic resistance to interferon ...
246727 Ensembl ENSG00000111331 ENSMUSG00000032661 UniProt Q9Y6K5 Q8VI93 RefSeq (mRNA) NM_006187 NM_145226 RefSeq (protein) NP_006178 NP_660261 Location (UCSC) Chr 12: 112.94 – 112.98 Mb Chr 5: 120.89 – 120.92 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse 2'-5'-oligoadenylate synthetase 3 is an enzyme that in humans is encoded by the OAS3 gene. This gene encodes an enzyme ...
An interferon-stimulated gene (ISG) is a gene that can be expressed in response to stimulation by interferon. [ 1 ] [ 2 ] Interferons bind to receptors on the surface of a cell, initiating protein signaling pathways within the cell.
Viperin is an interferon-stimulated gene whose expression inhibits many DNA and RNA viruses including CHIKV, HCMV, HCV, DENV, WNV, SINV, influenza, and HIV. [6] Initially identified as an IFN-γ induced antiviral protein in human cytomegalovirus (HCMV) infected macrophages, it was reported that viperin could be induced by HCMV glycoprotein B in fibroblasts, but inhibits HCMV viral infection ...
Protein kinase RNA-activated also known as protein kinase R (PKR), interferon-induced, double-stranded RNA-activated protein kinase, or eukaryotic translation initiation factor 2-alpha kinase 2 (EIF2AK2) is an enzyme that in humans is encoded by the EIF2AK2 gene on chromosome 2. [5] [6] PKR is a serine/tyrosine kinase that is 551 amino acids ...
The type-I interferons (IFN) are cytokines which play essential roles in inflammation, immunoregulation, tumor cells recognition, and T-cell responses. In the human genome, a cluster of thirteen functional IFN genes is located at the 9p21.3 cytoband over approximately 400 kb including coding genes for IFNα (IFNA1, IFNA2, IFNA4, IFNA5, IFNA6, IFNA7, IFNA8, IFNA10, IFNA13, IFNA14, IFNA16 ...
Interferon-stimulated gene 15 (ISG15) is a 17 kDa secreted protein that in humans is encoded by the ISG15 gene. [ 5 ] [ 6 ] ISG15 is induced by type I interferon (IFN) and serves many functions, acting both as an extracellular cytokine and an intracellular protein modifier.
It is an antiviral enzyme that counteracts viral attack by degrading RNAs, both viral and host. The enzyme uses ATP in 2'-specific nucleotidyl transfer reactions to synthesize 2'-5'-oligoadenylates, which activate latent ribonuclease (RNase-L), resulting in degradation of viral RNA and inhibition of virus replication.