Journal
CELL DEATH & DISEASE
Volume 2, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/cddis.2011.18
Keywords
atherosclerosis; interleukin-1 beta; NLRP3; inflammasome; ApoE-/- mice
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Funding
- Swiss National Science Foundation
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The interleukin-1 (IL-1) family of cytokines has been implicated in the pathogenesis of atherosclerosis in previous studies. The NLRP3 inflammasome has recently emerged as a pivotal regulator of IL-1 beta maturation and secretion by macrophages. Little is currently known about a possible role for the NLRP3 inflammasome in atherosclerosis progression in vivo. We generated ApoE-/- Nlrp3-/-, ApoE-/- Asc-/- and ApoE-/- caspase-1-/- double-deficient mice, fed them a high-fat diet for 11 weeks and subsequently assessed atherosclerosis progression and plaque phenotype. No differences in atherosclerosis progression, infiltration of plaques by macrophages, nor plaque stability and phenotype across the genotypes studied were found. Our results demonstrate that the NLRP3 inflammasome is not critically implicated in atherosclerosis progression in the ApoE mouse model. Cell Death and Disease (2011) 2, e137; doi: 10.1038/cddis.2011.18; published online 31 March 2011
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