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Review
. 2018 Aug 28;29(6):645-660.
doi: 10.1515/revneuro-2017-0074.

The roles of special proresolving mediators in pain relief

Lan-Yu Zhang  1 , Ming-Rui Jia  1 , Tao Sun  1
Affiliations
Review

The roles of special proresolving mediators in pain relief

Lan-Yu Zhang et al. Rev Neurosci. .

Abstract

The resolution of acute inflammation, once thought to be a passive process, is now recognized as an active one. The productions of endogenous special proresolving mediators (SPMs) are involved in this process. SPMs, including lipoxins, resolvins, protectins, and maresins, are endogenous lipid mediators generated from ω-6 arachidonic acid or ω-3 poly-unsaturated fatty acids during the resolution phase of acute inflammation. They have potent anti-inflammatory and proresolving actions in various inflammatory disorders. Due to the potent proresolving and anti-inflammatory effects, SPMs are also used for pain relief. This review focuses on the mechanisms by which SPMs act on their respective G-protein-coupled receptors in immune cells and nerve cells to normalize pain via regulating inflammatory mediators, transient receptor potential ion channels, and central sensitization. SPMs may offer novel therapeutic approaches for preventing and treating pain conditions associated with inflammation.

Keywords: SPMs; TRP; central sensitization; inflammation; pain.

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