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IRF8 (interferon regulatory factor 8) is a transcriptional activator or repressor. It specifically binds to the upstream regulatory region of type I IFN and IFN-inducible MHC class I genes. IRF8 plays a negative regulatory role in cells of the immune system. It is involved in CD8+ dendritic cell differentiation by forming a complex with the BATF-JUNB heterodimer in immune cells. This leads to recognition of AICE sequence, an immune-specific regulatory element, followed by cooperative binding of BATF and IRF8 and activation of the genes. Mutations in the gene can result in immunodeficiencey 32A and 32B.
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Protein Aliases: ICSBP; interferon consensus sequence binding protein 1; Interferon consensus sequence-binding protein; Interferon regulatory factor 8; IRF-8; transcription factor ICSBP
Gene Aliases: AI893568; ICSBP; Icsbp1; IRF-8; Irf8; Myls
UniProt ID: (Mouse) P23611
Entrez Gene ID: (Rat) 292060, (Mouse) 15900
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