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KMID : 0043319990220020137
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Archives of Pharmacal Research
1999 Volume.22 No. 2 p.137 ~ p.142
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Anti-Ulcer Activity of Newly Synthesized Acylquinoline Derivatives
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Cheon Hyae-Gyeong
Kim Hyun-Jung
Mo Hye-Kyoung
Shin En-Joo
Lee Yeon-Hee
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Abstract
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Anti-ulcer activity of newly synthesized acylquinoline derivatives was investigated. For the in vitro screening, the effects of compounds on gastric ATPase isolated from hog and rabbit were examined. Among them, AU-090, AU-091, AU-254, AU-413 and AU-466 exhibited good in vitro activity on both enzymes. To correlate the in vitro activity with in vivo action, the effects of the compounds on the basal gastric acid secretion were studied. Some derivatives showed considerable anti-secretory activities, and AU-413 was selected for further studies. AU-413 protected gastric damage induced by either ethanol or NaOH dose dependently when given orally. values of 12 mg/kg, p.o. (ethanol) and 41 mg/kg, p.o. (NaOH) were obtained. In addition, histamine-stimulated gastric secretion was reduced upon AU-413 administration. Taken together, newly synthesized acylquinoline derivatives, especially AU-413, is worthy of further investigation to be developed as an anti-ulcer agent.
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KEYWORD
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H+/K+ ATPase, Gastric acid, Anti-ulcer agent
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