Article
RIOK3-mediated phosphorylation of MDA5 interferes with its assembly and attenuates the innate immune response.
Cell reports - 14 Apr 2015
Takashima Ken, Oshiumi Hiroyuki, Takaki Hiromi, Matsumoto Misako, Seya Tsukasa
Abstract excerpt
MDA5 is a cytoplasmic viral double-stranded RNA (dsRNA) sensor and triggers type I interferon (IFN) production. MDA5 assembles along viral dsRNA, leading to the formation of an MDA5 filament required for activating the MAVS adaptor. A recent study has revealed that PP1α and PP1γ phosphatases are responsible for dephosphorylating MDA5 and are essential for its activation. Here, we identified RIO kinase 3 (RIOK3)...
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