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Title 

Effect of diallyl disulfide on acute gastric mucosal damage induced by alcohol in rats

Authors 

I C LeeH S BaekS H KimC MoonS H ParkIn Sik ShinS C ParkJ C Kim

Publisher 

Human and Experimental Toxicology

Issue Date 

2015

Citation 

Human and Experimental Toxicology, vol. 34, no. 3, pp. 227-239

Keywords 

diallyl disulfideEthanolgastric mucosal damagesoxidative stress

Abstract 

This study investigated the gastroprotective effects of diallyl disulfide (DADS), a secondary organosulfur compound derived from garlic (Allium sativum L.) on experimental model of ethanol (EtOH)-induced gastric ulcer in rats. The antiulcerogenic activity of DADS was evaluated by gross/histopathological inspection, pro-inflammatory cytokines, and lipid peroxidation with antioxidant enzyme activities in the stomach. DADS (100 mg/kg) was administered by oral gavage 2 h prior to EtOH treatment (5 ml/kg). The animals were killed 1 h after receiving EtOH treatment. Pretreatment with DADS attenuated EtOH-induced gastric mucosal injury, as evidenced by decreased severity of hemorrhagic lesions and gastric ulcer index upon visual inspection. DADS also prevented histopathological alterations and gastric apoptotic changes caused by EtOH. An increase in tumor necrosis factor-α (TNF-α) and inducible nitric oxide synthase was observed in the gastric tissues of EtOH-treated rats that coincided with increased serum TNF-α and interleukin 6 levels. In contrast, DADS effectively suppressed production of pro-inflammatory mediators induced by EtOH. Furthermore, DADS prevented the formation of gastric malondialdehyde and the depletion of reduced glutathione content and restored antioxidant enzyme activities, such as catalase, glutathione peroxidase, and glutathione reductase in the gastric tissues of EtOH-treated rats. These results indicate that DADS prevents gastric mucosal damage induced by acute EtOH administration in rats and that the protective effects of DADS may be due to its potent antioxidant and anti-inflammatory activities.

ISSN 

0960-3271

Link 

http://dx.doi.org/10.1177/0960327114537095

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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