Abstract
We aimed to evaluate the protective effects of pentoxifylline on alcohol-induced gastric injury, its relation with nitric oxide and prostaglandin synthesis, as well as gastric acidity in rats. Acute gastric mucosal injury was induced by intragastric infusion of 2 ml 98% alcohol. Pentoxifylline was given at 100 mg/kg intraperitoneally. Indomethacin and NG-nitro-L arginine were used to inhibit prostaglandin and nitric oxide synthesis, respectively. Macroscopic and microscopic gastric injuries were evaluated. Gastric pH, tissue malondialdehyde levels, oxidized and reduced glutathion (GSSG/GSH) levels, and effects of pentoxifylline on gastric acid output were measured. Pentoxifylline pretreatment significantly reduced macroscopic and microscopic gastric injury. Malondialdehyde level was lower in pentoxifylline treated rats (351.1 ± 94.1 nmol/g vs 624.3 ± 234.2 nmol/g). Pentoxifylline has a protective role on alcohol-induced gastric mucosal injury in rats. This effect is not related to synthesis of prostaglandins and changes in gastric acidity but does seem to be related to nitric oxide-mediated pathways. In contrast, pentoxifylline increases gastric acid output significantly.
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Yönetci, N., Kösekli, M.A., Özütemiz, A.Ö. et al. Effects of Pentoxifylline on Alcohol-Induced Gastric Injury and Acid Secretion in Rats. Dig Dis Sci 48, 1392–1396 (2003). https://doi.org/10.1023/A:1024290615796
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DOI: https://doi.org/10.1023/A:1024290615796