Article Publish Status: FREE
Abstract Title:

Thymoquinone Ameliorates Lung Inflammation and Pathological Changes Observed in Lipopolysaccharide-Induced Lung Injury.

Abstract Source:

Evid Based Complement Alternat Med. 2021 ;2021:6681729. Epub 2021 Mar 30. PMID: 33859710

Abstract Author(s):

Mostafa Boskabady, Mohammad Reza Khazdair, Rahimeh Bargi, Saeideh Saadat, Arghavan Memarzia, Nema Mohammadian Roshan, Mahmoud Hosseini, Vahid Reza Askari, Mohammad Hossein Boskabady

Article Affiliation:

Mostafa Boskabady


Anti-inflammatory, antioxidant, and immunomodulatory effects of thymoquinone (TQ) have been shown. The effects of TQ on lipopolysaccharide- (LPS-) induced inflammation and pathological changes in rats' lung were investigated in this study. Four groups of rats included (1) control (saline treated); (2) LPS (treated with 1 mg/kg/day i.p. for two weeks); and (3 and 4) 5 or 10 mg/kg TQ i.p. 30 min prior to LPS administration. Total and differential WBC counts in the blood and bronchoalveolar fluid (BALF), TGF-1, INF-, PGE2, and IL-4 levels in the BALF and pathological changes of the lung were evaluated. Total WBC count and eosinophil, neutrophil, and monocyte percentage were increased, but the lymphocyte percentage was reduced in the blood and BALF. The BALF levels of PGE2, TGF-1, and INF-were also increased, but IL-4 level was reduced due to LPS administration. LPS also induced pathological insults in the lung of rats (<0.05 to<0.001 for all changes in LPS-exposed animals). Treatment with TQ showed a significant improvement in all changes induced by LPS (<0.05 to<0.05). TQ showed a protective effect on LPS-induced lung inflammation and pathological changes in rats which suggested a therapeutic potential for TQ on lung injury.

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