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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.
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 ...
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.
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.
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 ...
3456 15977 Ensembl ENSG00000171855 ENSMUSG00000048806 UniProt P01574 P01575 RefSeq (mRNA) NM_002176 NM_010510 RefSeq (protein) NP_002167 NP_034640 Location (UCSC) Chr 9: 21.08 – 21.08 Mb Chr 4: 88.44 – 88.44 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Interferon beta is a protein that in humans is encoded by the IFNB1 gene. The natural and recombinant protein forms have ...
IRF4 is a transcription factor belonging to the Interferon Regulatory Factor (IRF) family of transcription factors. [8] [9] In contrast to some other IRF family members, IRF4 expression is not initiated by interferons; rather, IRF4 expression is promoted by a variety of bioactive stimuli, including antigen receptor engagement, lipopolysaccharide (LPS), IL-4, and CD40.
After incubation of the blood with antigens for 16 to 24 hours, the amount of interferon-gamma (IFN-gamma) is measured. If the patient is infected with M. tuberculosis, their white blood cells will release IFN-gamma in response to contact with the TB antigens. The QFT-G results are based on the amount of IFN-gamma that is released in response ...