KMID : 1161420110140010173
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Journal of Medicinal Food 2011 Volume.14 No. 1 p.173 ~ p.179
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Preventive Effect of Probiotics and ¥á-Tocopherol on Ethanol-Induced Gastric Mucosal Injury in Rats
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Senol Altug
Isler Mehmet Karahan Aynur G. Kilic Gulden B. Kuleasan Hakan Kaya Selcuk Keskin Muharrem Goren Ibrahim Saritas Ulku Aridogan Buket C. Delibas Namik
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Abstract
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The protective effect of a probiotic mixture of 13 different bacteria and ¥á-tocopherol on 98% ethanol-induced gastric mucosal injury was evaluated. Levels of gastric mucosal pro- and anti-inflammatory cytokines, malondialdehyde, and secretory immunglobulin A were measured. Rats were allocated into four groups: control, ethanol, probiotic, and ¥á-tocopherol. The control and ethanol groups received skim milk for 14 days. Probiotic and ¥á-tocopherol groups were administered probiotic mixture suspended in skim milk and 100?mg/kg ¥á-tocopherol, respectively, by daily gavage for 14 days. On Day 15, gastric lesions were induced by administration of ethanol 98% (1?mL) to all rats except those in the control group. Probiotic, but not ¥á-tocopherol, seemed to inhibit ethanol-induced gastric mucosal tumor necrosis factor-¥á, interferon-¥ã, and interleukin-2 production (P?>?.05). Ethanol caused the elevation of mucosal interleukin-4 level (compared to the control, P?.05). Probiotic pretreatment significantly suppressed the ethanol-induced increase of gastric mucosal interleukin-4 levels. Pretreatment with either probiotic or ¥á-tocopherol inhibited the ethanol-induced increase of mucosal malondialdehyde concentration (P?.01 and P?.05, respectively). Probiotic pretreatment enhanced the gastric mucosal secretory immunoglobulin A concentration (P?.001). In conclusion, probiotic mixture and ¥á-tocopherol reduced ethanol-induced gastric mucosal lipid peroxidation, suggesting that they may be beneficial for gastric lesions induced by lower ethanol concentration.
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KEYWORD
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ethanol, gastric injury, probiotic, rat, ¥á-tocopherol
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