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- W2078165983 abstract "Leukotriene B4, an arachidonic acid-derived lipid mediator, is a known proinflammatory agent that has a direct effect upon neutrophil physiology, inducing reactive oxygen species generation by the NADPH oxidase complex and impairing neutrophil spontaneous apoptosis, which in turn may corroborate to the onset of chronic inflammation. Despite those facts, a direct link between inhibition of neutrophil spontaneous apoptosis and NADPH oxidase activation by leukotriene B4 has not been addressed so far. In this study, we aim to elucidate the putative role of NADPH oxidase-derived reactive oxygen species in leukotriene B4-induced anti-apoptotic effect. Our results indicate that NADPH oxidase-derived reactive oxygen species are critical to leukotriene B4 pro-survival effect on neutrophils. This effect also relies on redox modulation of nuclear factor kappaB signaling pathway. We have also observed that LTB4-induced Bad degradation and mitochondrial stability require NADPH oxidase activity. All together, our results strongly suggest that LTB4-induced anti-apoptotic effect in neutrophils occurs in a reactive oxygen species-dependent manner. We do believe that a better knowledge of the molecular mechanisms underlying neutrophil spontaneous apoptosis may contribute to the development of more successful strategies to control chronic inflammatory conditions such as rheumatoid arthritis." @default.
- W2078165983 created "2016-06-24" @default.
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- W2078165983 creator A5070706177 @default.
- W2078165983 creator A5074143504 @default.
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- W2078165983 date "2012-10-01" @default.
- W2078165983 modified "2023-10-01" @default.
- W2078165983 title "Leukotriene B4 inhibits neutrophil apoptosis via NADPH oxidase activity: Redox control of NF-κB pathway and mitochondrial stability" @default.
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- W2078165983 doi "https://doi.org/10.1016/j.bbamcr.2012.07.012" @default.
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