Journal
TRENDS IN IMMUNOLOGY
Volume 40, Issue 5, Pages 387-402Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.it.2019.03.006
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Funding
- Wellcome Trust Investigator Award [214342/Z/18/Z]
- European Research Council [294880]
- Medical Research Council [MR/S00811X/1]
- Swiss National Science Foundation [P300P3_158509]
- Swiss National Science Foundation (SNF) [P300P3_158509] Funding Source: Swiss National Science Foundation (SNF)
- Wellcome Trust [214342/Z/18/Z] Funding Source: Wellcome Trust
- MRC [MR/S00811X/1] Funding Source: UKRI
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The immune system has developed multiple ways to fight infection. Yet, it is constantly tasked with overcoming newly developing pathogenic mechanisms of resistance to host immunity. In most mammals, the stimulation of both innate and adaptive immune receptors can result in gene activation and cell death induction by apoptosis and necroptosis. RIPK1 and RIPK3 are key mediators of necroptosis; however, new findings support their role in the regulation of cell death-independent proinflammatory signaling. We discuss here the biological functions of RIPK1 and RIPK3, how they regulate cell death and inflammation, and the interplay between them. Finally, we discuss recent advances in our knowledge of linear ubiquitination which, alongside RIPK3 and caspase-8, exerts regulatory functions on RIPK1-mediated inflammation. Together, this review examines the complex interplay between RIPK1, RIPK3, and LUBAC that is important in regulating cell death and inflammatory signaling.
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