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학술저널
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한국실험동물학회 Laboratory Animal Research THE KOREAN JOURNAL OF LABORATORY ANIMAL SCIENCE Vol.20 No.4
발행연도
2004.12
수록면
385 - 390 (6page)

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The action of non-steroidal anti-inflammatory drug (NSAID) on the Helicobacter (H.) Pylori infected mucosa is a matter of debate. Some authors consider them to cause additive iatrogeny while others attribute a purportedly protective action to them. The aim of the present study is to investigate the effect of NSAID administration prior to H. pylori inoculation on associated gastrointestinal injury. Mongolian gerbils were used for the study, since they have been reported to be a suitable model for H. pylori-associated gastric mucosal injury, including gastric cancer. We used indomethacin as a potent NSAID. Gerbils were divided into indomethacin (20 ㎎/㎏)-inoculated and CMC-administrated groups. Thereafter, after 6 hours later, they were divided again into following subgroups-H. pylori-inoculated and PBS-inoculated animals. Gerbils were sacrificed 4 or 6 weeks after H. pylori inoculation and gastrointestinal damage was evaluated grossly and histologically. In the controls (CMC+PBS) and the group of indomethacin alone (I+PBS), no significant change to the gastrointestinal mucosa was observed. However, severe gastrointestinal epithelial damage was observed in the group of indomethacin administration preceding H. pylori-inoculation (I+Hp). In the group of CMC administration preceding H. pylori-inoculation (CMC+Hp), mild epithelial changes was observed. These results suggested that the administration of NSAID preceding H. pylori infection could promote the progression of gastrointestinal mucosal damages.

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