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β-caryophyllene ameliorates hepatic ischemia reperfusion-induced injury: the involvement of Keap1/Nrf2/HO 1/NQO 1 and TLR4/NF-κB/NLRP3 signaling pathways.

TLR4型 氧化应激 KEAP1型 化学 药理学 抗氧化剂 炎症 NF-κB 再灌注损伤 细胞凋亡 信号转导 医学 生物化学 缺血 免疫学 内科学 转录因子 基因
作者
M E Mohamed,R M Abdelnaby,Nancy S. Younis
出处
期刊:DOAJ: Directory of Open Access Journals - DOAJ 卷期号:26 (22): 8551-8566 被引量:3
标识
DOI:10.26355/eurrev_202211_30391
摘要

Hepatic ischemia-reperfusion (H I/R) injury is a frequent clinical event during which the leading contributing players are inflammation and oxidative stress responses. β-caryophyllene (BCP), a natural bicyclic sesquiterpene, is an essential oil component of different plant species and edibles. This study aims to identify whether BCP pretreatment could avert H I/R injury with inspections of the underlying mechanisms.Animals were devised into five groups; Sham and BCP + Sham; the animals were administered saline or BCP (200 mg/kg, orally) respectively; H I/R group, the animals were administered saline orally for 14 days before induction of H I/R; BCP100 and BCP200, the animals were administered BCP (100 and 200 mg/kg, respectively) for 14 days, followed by induction of H I/R.H I/R showed markedly increased ALT, AST, MDA, and lowered antioxidant enzyme activities, while the Nrf2/HO1/NQO1 pathway components were significantly augmented. The TLR4/NF-κB/NLRP3 elements were deterred, and subsequently, escalations in the inflammatory mediators (IL-1β, IL-6, and TNF-α), adhesion molecule ICAM-1, neutrophils infiltration (MPO), and apoptotic markers were observed. Pretreatment with BCP amplified the antioxidant enzyme activities and Keap1/Nrf2/HO1/NQO1 pathway components. BCP pretreatment lowered TLR4/NF-κB/NLRP3 pathway elements, which mitigated inflammatory mediators, ICAM-1, MPO, and apoptotic markers.The protective effect of BCP against hepatic I/R induced injury might be accomplished via mitigation of oxidative stress by regulating the Keap1/Nrf2/HO1/NQO1 pathway and inhibition of the inflammatory process via manipulating the TLR4/ NF-κB/ NLRP3, reflected by inflammatory markers, neutrophils recruitment, and adhesion molecules reduction. BCP might be a potential therapeutic agent for alleviating hepatic I/R-induced injury.

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