期刊
TRENDS IN CELL BIOLOGY
卷 26, 期 10, 页码 721-732出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tcb.2016.06.004
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资金
- Belgian grants (Interuniversity Attraction Poles) [IAP 7/32]
- Flemish grants (Research Foundation Flanders) [FWO G.0875.11, FWO G.0973.11, FWO G.0A45.12N, FWO G.0787.13N, FWO G.0E04.16N]
- Methusalem grant [BOF09/01M00709, BOF16/MET_V/007]
- Foundation against Cancer [2012-188]
- VIB
- FWO [IAP 7/32, G.0172.12N, G.013715N]
Throughout the animal kingdom, innate immune receptors protect the organism from microbial intruders by activating pathways that mediate inflammation and pathogen clearance. Necroptosis contributes to the innate immune response by killing pathogen-infected cells and by alerting the immune system through the release of danger signals. Components of the necroptotic signaling axis - TIR-domain-containing adapter-inducing interferon-beta (TRIP), Z-DNA sensor DAI, receptor-interacting kinase (RIPK)1, RIPK3 and mixed-lineage kinase domain-like protein (MLKL) - are therefore expected to be found in all animals. However, a phylogenetic analysis reveals that the necroptotic axis, except for RIPK1, is poorly conserved in the animal kingdom, suggesting that alternative mechanisms regulate necroptosis in these species or that necroptosis would apparently be absent. These findings question the universal role of necroptosis during innate immunity in the animal kingdom.
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