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Overview
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The alpha interferons are involved in virus resistance in target cells for these viruses. They are knownto block cell proliferation and to regulate MHC class I antigen expression. The IFN alpha family has over 20genes and pseudogenes in two families (I and II), one with a mature length of 166aa and one of 172aa.Cells producing IFN alpha are lymphocytes, monocytes, macrophages and cell lines such as Namalwa andKGI. Bioassays for IFN alpha include cytopathic effect blocking, by viruses such as VSV, SFV and BMCV, ontheir target cells. A number of receptors for IFN alpha are now known and seem to be expressed on mostcell types. N27 is specific for human IFN alpha 2 and does not cross react with human IFN alpha 1.Immunogen: N27 reacts with linear peptide 43aa-53aa, placing the epitope outside theimmunodominant regions I and II.
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Overview