Comparative Study of the Effects of Indomethacin and NS-398, a Selective Cyclooxygenase 2 Inhibitor, on Duodenal Bicarbonate Secretion Induced by Luminal Acidification in Rats

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抄録

To clarify the mechanisms of duodenal ulcerogenic activity of non-steroidal anti-inflammatory drugs (NSAIDs), the effects of indomethacin (IND) on acid-stimulated duodenal bicarbonate secretion and histamine-induced duodenal ulcerogenic responses were studied in comparison with NS-398, a selective cyclooxygenase (COX)-2 inhibitor, in rats. IND (1 and 5 mg/kg, s.c.) significantly decreased duodenal bicarbonate secretion and potentiated duodenal lesion in a dose-dependent manner. On the other hand, NS-398 had no effect on these parameters. These findings suggest that duodenal ulcerogenicity of IND in the presence of histamine is mainly due to the inhibitory action on acid-stimulated bicarbonate secretion mediated by COX-1, but not by COX-2.

収録刊行物

  • The Japanese journal of pharmacology

    The Japanese journal of pharmacology 75(2), 191-194, 1997-10-01

    The Japanese Pharmacological Society

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各種コード

  • NII論文ID(NAID)
    10008189742
  • NII書誌ID(NCID)
    AA00691188
  • 本文言語コード
    ENG
  • 資料種別
    SHO
  • ISSN
    00215198
  • NDL 記事登録ID
    4326418
  • NDL 雑誌分類
    ZS51(科学技術--薬学)
  • NDL 請求記号
    Z53-D199
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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