Interleukin-28 (IL-28) is a cytokine that comes in two isoforms, IL-28A and IL-28B, and plays a role in immune defense against viruses, including the induction of an "antiviral state" by turning on Mx proteins, 2',5'-oligoadenylate synthetase as well as ISGF3G (Interferon Stimulated Gene Factor 3).[1] IL-28A and IL-28B belong to the type III interferon family of cytokines and are highly similar (in amino acid sequence) to IL-29. Their classification as Interferons is due to their ability to induce an antiviral state, while their additional classification as cytokines is due to their chromosomal location as well as the fact that they are encoded by multiple exons, as opposed to a single exon, as most type-I IFNs are.
^Kempuraj D, Donelan J, Frydas S, Iezzi T, Conti F, Boucher W, et al. (2004). "Interleukin-28 and 29 (IL-28 and IL-29): new cytokines with anti-viral activities". International Journal of Immunopathology and Pharmacology. 17 (2): 103–6. doi:10.1177/039463200401700201. PMID 15171810. S2CID 43322911.
Interleukin-28 (IL-28) is a cytokine that comes in two isoforms, IL-28A and IL-28B, and plays a role in immune defense against viruses, including the...
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