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ATP-citrate Lyase Is Essential For Macrophage Inflammatory Response.

V. Infantino, V. Iacobazzi, F. Palmieri, A. Menga
Published 2013 · Biology, Medicine

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Growing evidence suggests that energy metabolism and inflammation are closely linked and that cross-talk between these processes is fundamental to the pathogenesis of many human diseases. However, the molecular mechanisms underlying these observations are still poorly understood. Here we describe the key role of ATP-citrate lyase (ACLY) in inflammation. We find that ACLY mRNA and protein levels markedly and quickly increase in activated macrophages. Importantly, ACLY activity inhibition as well as ACLY gene silencing lead to reduced nitric oxide, reactive oxygen species and prostaglandin E2 inflammatory mediators. In conclusion, we present a direct role for ACLY in macrophage inflammatory metabolism.
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