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Guben Qingfei decoction attenuates LPS-induced acute lung injury by modulating the TLR4/NF-κB and Keap1/Nrf2 signaling pathways

医学 药理学 KEAP1型 汤剂 TLR4型 体内 炎症 髓过氧化物酶 氧化应激 免疫学 传统医学 内科学 生物 生物化学 生物技术 基因 转录因子
作者
Ziyuan Zeng,Yuchen Fu,Minfang Li,Yuanyuan Shi,Qi Ding,Sheng Chen
出处
期刊:Journal of Ethnopharmacology [Elsevier]
卷期号:323: 117674-117674 被引量:3
标识
DOI:10.1016/j.jep.2023.117674
摘要

Acute lung injury (ALI) is a life-threatening and widespread disease, with exceptionally high morbidity and mortality rates. Unfortunately, effective drugs for ALI treatment are currently lacking. Guben Qingfei decoction (GBQF) is a Chinese herbal compound known for its efficacy in treating viral pneumonia, yet the precise underlying mechanisms remain unknown. Aim of the study: This study aimed to validate the mitigating effect of GBQF on ALI and to further investigate its mechanism. An ALI mice model was established by infusing LPS into the endotracheal tube. The effects of GBQF on ALI were investigated by measuring lung W/D; MPO; BALF total protein concentration; total number of cells; TNF-α, IL-1β, and IL-6 levels; pathological changes in lung tissue, and oxidation products. Immunohistochemistry and Western Blotting were performed to verify the underlying mechanisms. MH-S and BEAS-2B cells were induced by LPS, and the effects of GBQF were confirmed by RT-PCR and immunofluorescence. GBQF significantly reduced LPS-induced ALI in mice, improved lung inflammation, reduced the production of oxidative products, increased the activity of antioxidant enzymes, and reduced the degree of lung tissue damage. GBQF prevents MH-S cells from releasing inflammatory factors and reduces oxidative damage to BEAS-2B cells. In vivo studies have delved deeper into the mechanism of action of GBQF, revealing its correlation with the TLR4/NF-κB and Keap1/Nrf2 pathways. Our study demonstrates that GBQF is an effective treatment for ALI, providing a new perspective on medication development for ALI treatment.
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