Taipei Medical University

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Chao JC*
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------>journal_name=World J Gastroenterol
------>paper_name=Effects of Ginkgo biloba extract on cytoprotective factors in rats with duodenal ulcer.
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------>fullAbstract=AIM: To investigate the effects of Ginkgo biloba extract on cytoprotective factors in rats with duodenal ulcer. METHODS: Sprague-Dawley rats were randomly divided into four groups: sham operation without ginkgo, sham operation with ginkgo, duodenal ulcer without ginkgo, and duodenal ulcer with ginkgo. Rats with duodenal ulcer were induced by 500 mL/L acetic acid. Rats with ginkgo were intravenously injected with Ginkgo biloba extract from the tail at a dose of 0.5 mg/(kg/d) for 7 and 14 days. RESULTS: Pathological result showed that duodenal ulcer rats with ginkgo improved mucosal healing and inflammation compared with those without ginkgo after 7 d treatment. After 14 d treatment, duodenal ulcer rats with ginkgo significantly increased weight gain (34.0+/-4.5 g versus 24.5+/-9.5 g, P<0.05) compared with those without ginkgo. Duodenal ulcer rats significantly increased cell proliferation (27.4+/-4.0 and 27.8+/-2.3 BrdU-labeled cells in duodenal ulcer rats with and without ginkgo versus 22.4+/-3.5 and 20.8+/-0.5 BrdU-labeled cells in sham operation rats with and without ginkgo, P<0.05) compared with sham operation rats. Mucosal prostaglandin E(2) concentration significantly increased by 129% (P<0.05) in duodenal ulcer rats with ginkgo compared with that in those without ginkgo. Duodenal ulcer rats without ginkgo significantly decreased superoxide dismutase activity in the duodenal mucosa and erythrocytes (19.4+/-6.7 U/mg protein versus 38.1+/-18.9 U/mg protein in the duodenal mucosa, and 4.87+/-1.49 U/mg protein versus 7.78+/-2.16 U/mg protein in erythrocytes, P<0.05) compared with sham operation rats without ginkgo. However, duodenal ulcer rats with ginkgo significantly increased erythrocyte superoxide dismutase activity (8.22+/-1.92 U/mg protein versus 4.87+/-1.49 U/mg protein, P<0.05) compared with those without ginkgo. Duodenal ulcer rats without ginkgo significantly increased plasma lipid peroxides (4.18+/-1.12 micromol/mL versus 1.60+/-1.10 micromol/mL and 1.80+/-0.73 micromol/mL, P<0.05) compared with sham operation rats without ginkgo and duodenal ulcer rats with ginkgo during the experimental period. CONCLUSION: Ginkgo biloba extract can improve weight gain and mucosal healing in duodenal ulcer rats by the actions of cytoprotection and antioxidation.
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------>authors2=Hung H
------>authors3=Chen SH
------>authors4=Fang CL
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------>authors=Chao JC*
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------>updateTitle=Effects of Ginkgo biloba extract on cytoprotective factors in rats with duodenal ulcer.
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------>publish_year=2004
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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z