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Upton JW, Shubina M, Balachandran S
RIPK3-driven cell death during virus infections
Immunol Rev (2017) 277:90-101.
Abstract
The programmed self-destruction of infected cells is a powerful antimicrobial strategy in metazoans. For decades, apoptosis represented the dominant mechanism by which the virus-infected cell was thought to undergo programmed cell death. More recently, however, new mechanisms of cell death have been described that are also key to host defense. One such mechanism in vertebrates is programmed necrosis, or "necroptosis", driven by receptor-interacting protein kinase 3 (RIPK3). Once activated by innate immune stimuli, including virus infections, RIPK3 phosphorylates the mixed lineage kinase domain-like protein (MLKL), which then disrupts cellular membranes to effect necroptosis. Emerging evidence demonstrates that RIPK3 can also mediate apoptosis and regulate inflammasomes. Here, we review studies on the mechanisms by which viruses activate RIPK3 and the pathways engaged by RIPK3 that drive cell death.
Note
Publication Date: 2017-05-01.
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Last updated on Wednesday, September 06, 2017