期刊
BMC GASTROENTEROLOGY
卷 12, 期 -, 页码 -出版社
BMC
DOI: 10.1186/1471-230X-12-54
关键词
-
资金
- Malaysian Ministry of Science, Technology, and Innovations (IRPA Grant) [06-02-02-10026 EAR]
Background: This study examined the effects of Palm vitamin E (PVE) and alpha-tocopherol (alpha-TF) supplementations on adrenalin, noradrenalin, xanthine oxidase plus dehydrogenase (XO + XD) activities and gastric lesions in rats exposed to water-immersion restraint stress (WIRS). Methods: Sixty male Sprague-Dawley rats (200-250 g) were randomly divided into three equal sized groups. The control group was given a normal diet, while the treated groups received the same diet with oral supplementation of PVE or alpha-TF at 60 mg/kg body weight. After the treatment period of 28 days, each group was further subdivided into two groups with 10 rats without exposing them to stress and the other 10 rats were subjected to WIRS for 3.5 hours. Blood samples were taken to measure the adrenalin and noradrenalin levels. The rats were then sacrificed following which the stomach was excised and opened along the greater curvature and examined for lesions and XO + XD activities. Results: The rats exposed to WIRS had lesions in their stomach mucosa. Our findings showed that dietary supplementations of PVE and alpha-TF were able to reduce gastric lesions significantly in comparison to the stressed control group. WIRS increased plasma adrenalin and noradrenalin significantly. PVE and alpha-TF treatments reduced these parameters significantly compared to the stressed control. Conclusions: Supplementations with either PVE or alpha-TF reduce the formation of gastric lesions. Their protective effect was related to their abilities to inhibit stress induced elevation of adrenalin and noradrenalin levels as well as through reduction in xanthine oxidase and dehydrogenase activities.
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