Signal transducer and activator of transcription 6 (STAT6) may function as a signaling molecule and as a transcription factor. The canonical activation of STAT6 in IL4 and IL13 signaling pathways is mediated by the tyrosine kinases JAK (Hebenstreit D et al. 2006). Virus-induced STAT6 activation was found to be cytokine- and JAK-independent (Chen H et al. 2011). Infection of human cells with RNA or DNA viruses resulted in an interaction of STAT6 with STING. The kinase TBK1 was shown to phosphorylate STAT6, which in turn induced STAT6 dimerization and translocation to the nucleus, leading to induction of chemokines CCL2, CCL20, and CCL26 in IFN-independent manner (Chen H et al. 2011).
RNA virus infection triggers STAT6 activation through STING, TBK1 and adaptor protein MAVS interaction (Chen H et al. 2011).
Yang, J, Qin, Z, Chen, H, Guan, Y, Zhou, X, Barber, G, Jiang, Z, Sun, H, Ishikawa, H, You, F, Sun, W, Gutman, D, Tang, H, Chen, L, Wang, Y, Gu, J, Xia, W
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