期刊名称:Journal of Clinical Biochemistry and Nutrition
印刷版ISSN:0912-0009
电子版ISSN:1880-5086
出版年度:1986
卷号:1
期号:1
页码:21-29
DOI:10.3164/jcbn.1.21
出版社:The Society for Free Radical Research Japan
摘要:Duodenal alkaline phosphatase activities were measured in rats treated with cysteamine, a drug which causes duodenal ulcers in experimental animals. In the proximal duodenum, a significant decrease in alkaline phosphatase was observed 24h after cysteamine injection. The inhibitory effect seems site-specific, since the enzyme in the upper jejunum remained unchanged. Moreover, the effect of cysteamine is apparently alkaline phosphatase-specific, because duodenal acid phosphatase, leucine aminopeptidase, and bicarbonate-dependent ATPase did not show any significant change in activity. A mechanism of the inhibitory effect of cysteamine on alkaline phosphatase is discussed.