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Abstract Title:

[The effect of diallyl sulfide on the lung tissue of rats poisoned by paraquat].

Abstract Source:

Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi. 2021 Jun 20 ;39(6):438-441. PMID: 34218561

Abstract Author(s):

Y F Cao, C Ji, J Guan, Y M Yu, W Song

Article Affiliation:

Y F Cao

Abstract:

To investigate the mechanism of diallyl sulfide (DAS) on paraquat (PQ) - induced acute lung injury in rats.In May 2016, 32 adult male Wistar rats were randomly divided into control group, model (PQ) group, DAS treatment group and dexamethasone (DXM) treatment group, with 8 rats in each group. PQ poisoning model was established by intragastric administration of PQ solution (70 mg/kg) . 100 mg/kg DAS (DAS treatment group) , normal saline (control group and PQ group) and 1 mg/kg DXM (DXM treatment group) were injected intraperitoneally before and after modeling. After 24 hours, the rats were killed and the degree of lung injury was observed. The expression of inducible nitric oxide synthase (iNOS) in lung tissue was measured. Alveolar macrophages were isolated and cultured. The supernatant was taken to determine the content of NO, and the expressions of iNOS mRNA in alveolar macrophages were detected.Compared with the control group, the pathological injury score and the expression of iNOS in the lung tissue of PQ group were significantly increased, and the content of NO secreted by alveolar macrophages and the expression of iNOS mRNA were significantly increased (<0.05) . Compared with PQ group, the pathological injury scores and the expressions of iNOS in lung tissue of rats in DAS treatment group and DXM treatment group were significantly decreased, and the contents of NO secreted by alveolar macrophages and the expressions of iNOS mRNA were significantly decreased (<0.05) . There was no significant difference between DXM group and DAS group (>0.05) .DAS may have protective effect on acute lung injury induced by PQ in rats.

Study Type : Animal Study

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