Annual review of pathology
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The popular view that all lipid mediators are pro-inflammatory arises largely from the finding that nonsteroidal anti-inflammatory drugs block the biosynthesis of prostaglandins. The resolution of inflammation was widely held as a passive event until recently, with the characterization of novel biochemical pathways and lipid-derived mediators that are actively turned on in resolution and that possess potent anti-inflammatory and proresolving actions. ⋯ Given their potent bioactions, these new chemical mediator families were termed resolvins and protectins. Here, we review the recent advances in our understanding of the biosynthesis and stereospecific actions of these new proresolving mediators, which have also proven to be organ protective and antifibrotic.