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 Vol 5: Zinc depletion regulates the processing and secretion of IL-1β.


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This article is from Cell Death & Disease, volume 5.AbstractSterile inflammation contributes to many common and serious human diseases. The pro-inflammatory cytokine interleukin-1β IL-1β drives sterile inflammatory responses and is thus a very attractive therapeutic target. Activation of IL-1β in sterile diseases commonly requires an intracellular multi-protein complex called the NLRP3 NACHT, LRR, and PYD domains-containing protein 3 inflammasome. A number of disease-associated danger molecules are known to activate the NLRP3 inflammasome. We show here that depletion of zinc from macrophages, a paradigm for zinc deficiency, also activates the NLRP3 inflammasome and induces IL-1β secretion. Our data suggest that zinc depletion damages the integrity of lysosomes and that this event is important for NLRP3 activation. These data provide new mechanistic insight to how zinc deficiency contributes to inflammation and further unravel the mechanisms of NLRP3 inflammasome activation.



Autor: Summersgill, H; England, H; Lopez-Castejon, G; Lawrence, C B; Luheshi, N M; Pahle, J; Mendes, P; Brough, D

Fuente: https://archive.org/



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