2. Academic Validation
  3. Glycyrrhizin protects against particulate matter-induced lung injury via regulation of endoplasmic reticulum stress and NLRP3 inflammasome-mediated pyroptosis through Nrf2/HO-1/NQO1 signaling pathway

Glycyrrhizin protects against particulate matter-induced lung injury via regulation of endoplasmic reticulum stress and NLRP3 inflammasome-mediated pyroptosis through Nrf2/HO-1/NQO1 signaling pathway

  • Int Immunopharmacol. 2023 May 26;120:110371. doi: 10.1016/j.intimp.2023.110371.
Qiangqiang Shi 1,  Yao Qian 2,  Beibei Wang 3,  Li Liu 4,  Yang Chen 5,  Chengshui Chen 6,  Lanfang Feng 7,  Junjie Chen 8,  Nian Dong 9
Affiliations

Affiliations

  • 1 Department of Respiratory Medicine, Affiliated Dongyang Hospital of Wenzhou Medical University, Dongyang 322100, China. Electronic address: 414293061@qq.com.
  • 2 Zhejiang Provincial Key Laboratory of Interventional Pulmonology, Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China. Electronic address: qybreeze@163.com.
  • 3 Zhejiang Provincial Key Laboratory of Interventional Pulmonology, Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China. Electronic address: 15958710252@126.com.
  • 4 Zhejiang Provincial Key Laboratory of Interventional Pulmonology, Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China. Electronic address: LIzero@163.com.
  • 5 Department of Critical Care Medicine, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China. Electronic address: 2435534553@qq.com.
  • 6 Zhejiang Provincial Key Laboratory of Interventional Pulmonology, Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China. Electronic address: chenchengshui@wmu.edu.cn.
  • 7 Department of Respiratory Medicine, Affiliated Dongyang Hospital of Wenzhou Medical University, Dongyang 322100, China. Electronic address: dyfenglf@163.com.
  • 8 Zhejiang Provincial Key Laboratory of Interventional Pulmonology, Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China. Electronic address: jiestory414@163.com.
  • 9 Zhejiang Provincial Key Laboratory of Interventional Pulmonology, Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China. Electronic address: dongnian@wmu.edu.cn.
PMID: 37245303 DOI: 10.1016/j.intimp.2023.110371
Abstract

Particulate matter (PM) is a major environmental pollutant that contributes considerably to deaths worldwide. The pathogenesis of PM-induced lung injury (PILI) is far from elucidated and warrants effective intervention. An effective component of licorice, glycyrrhizin (GL), has been the subject of much research due to its anti-inflammatory and anti-oxidative capabilities. Although preventive properties of GL are well-known, the precise mechanism of GL in PILI has not yet been investigated. A mouse model of PILI was used to examine the protective effects of GL in vivo, and a human bronchial epithelial cells (HBECs) model was used in vitro. In order to determine whether GL mitigates PILI, its effects on endoplasmic reticulum (ER) stress, NLRP3 inflammasome-mediated Pyroptosis and the oxidative response were examined. According to the findings, GL reduced PILI and activate anti-oxidative Nrf2/HO-1/NQO1 signaling in mice. Notably, the effect of GL on PM-induced ER stress and NLRP3 inflammasome-mediated Pyroptosis was significantly attenuated by the Nrf2 inhibitor ML385. The data suggest that via the anti-oxidative Nrf2 signaling, GL may reduce oxidative stress-mediated ER stress and NLRP3 inflammasome-mediated Pyroptosis. Therefore, GL may serve as a promising treatment for PILI.

Keywords

ER stress; Glycyrrhizin; NLRP3; Nrf2; Particulate matter; Pyroptosis.

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