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Papers of the Week


Papers: 9 Dec 2023 - 15 Dec 2023


2023 Dec 11


Anesthesiology


38079113

Astrocyte PERK and IRE1 Signaling Contributes to Morphine Tolerance and Hyperalgesia through Upregulation of Lipocalin-2 and NLRP3 Inflammasome in the Rodent Spinal Cord.

Authors

Wang B, Wang LN, Wu B, Guo R, Zhang L, Zhang JT, Wang ZH, Wu F, Feng Y, Liu H, Jin XH, Miao XH, Liu T

Abstract

Endoplasmic reticulum (ER) stress plays a crucial role in the pathogenesis of neuroinflammation and chronic pain. Herein, we hypothesized that PRKR-like endoplasmic reticulum kinase (PERK) and Inositol-requiring enzyme type 1 (IRE1) regulate Lipocalin-2 (LCN2) and Nod-like receptor family pyrin domain containing 3 (NLRP3) expression in astrocytes, thereby contributing to morphine tolerance and hyperalgesia.