ReferenceID 6315

Taxifolin ameliorates cigarette smoke-induced chronic obstructive pulmonary disease via inhibiting inflammation and apoptosis

Int Immunopharmacol

Chronic obstructive pulmonary disease (COPD) is a significant cause of morbidity and mortality worldwide and is characterized by chronic airway inflammation and lung parenchymal cell apoptosis. Cigarette smoke is the maj

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Reference Id
6315
Evidence Id
22905
Core Evidence Id
22905
Source Reference Id
5898
Herb2 Reference Id
HBREF006695
Subject Paper Key
HBIN045672_36584569
Pubmed Id
36584569
Doi
10.1016/j.intimp.2022.109577
Paper Title
Taxifolin ameliorates cigarette smoke-induced chronic obstructive pulmonary disease via inhibiting inflammation and apoptosis
Paper Abstract
Chronic obstructive pulmonary disease (COPD) is a significant cause of morbidity and mortality worldwide and is characterized by chronic airway inflammation and lung parenchymal cell apoptosis. Cigarette smoke is the major risk factor for the occurrence and development of COPD. Taxifolin (TAX) showed promising pharmacological effects in the management of inflammation, oxidative stress, and apoptosis. In the present study, our results demonstrated that TAX significantly alleviated cigarette smoke-induced inflammation and apoptosis both in vivo and in vitro. TAX notably lowered the elevated total cell count in mouse BALF compared with that in the COPD group. The cigarette smoke-induced emphysematous changes were remarkably reversed by TAX. In addition, treatment with TAX suppressed the elevated mRNA and protein levels of IL-1β, IL-6 and TNF-α in COPD mouse lung tissue and cigarette smoke extract (CSE)-treated human bronchial epithelial cells (HBECs). Additionally, TAX significantly decreased the ratios of p-iκB to iκB and p-p65 to p65 compared with the COPD group and CSE-treated HBECs. Moreover, the results of the TUNEL assay and flow cytometry also demonstrated the anti-apoptotic effect of TAX in mouse lung tissue and HBECs. Furthermore, the elevated Bax and CCP3 levels and decreased Bcl-2 levels induced by cigarette smoke were significantly reversed by TAX treatment in vivo and in vitro. Our results highlight the ameliorating effects of TAX against cigarette smoke-induced inflammation and apoptosis in the pathogenesis of COPD.
Journal
Int Immunopharmacol
Publish Year
2022
Experiment Subject
mouse; human; cse-treated hbecs
Experiment Type
Animal & Cell Experiment
Phenotype Related
Chronic Obstructive Pulmonary Disease; Chronic Airway Inflammation; Inflammation
Paper Title Cn
Paper Title En
Taxifolin ameliorates cigarette smoke-induced chronic obstructive pulmonary disease via inhibiting inflammation and apoptosis
Bilingual Status
semi_complete