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Effects of nafamostat mesilate on 5-hydroxytryptamine release from isolated ileal tissues induced by anti-cancer drugs in rats
Biomedical Research ( IF 1.3 ) Pub Date : 2020-10-16 , DOI: 10.2220/biomedres.41.253
Kaoru Kikuchi 1 , Naoya Hamaue 1 , Takuji Machida 1 , Kenji Iizuka 1 , Masaru Minami 1 , Masahiko Hirafuji 1
Affiliation  

Administration of cisplatin and methotrexate significantly increased 5-hydroxytryptamine (5-HT) release from intestinal tissues isolated at 72 h after administration in rats. Daily administration with nafamostat mesilate, a potent serine protease inhibitor, significantly inhibited the release of 5-HT induced by methotrexate, but not by cisplatin, in a dose-dependent manner. When applied to isolated ileal tissues in vitro, nafamostat mesilate also significantly inhibited the release of 5-HT induced by methotrexate, but not by cisplatin, in a concentration-dependent manner. These results suggest that serine proteases are involved in the mechanism of the methotrexate-induced release of 5-HT from the rat small intestine.



中文翻译:

甲磺酸萘莫司他对抗癌药物诱导大鼠离体回肠组织释放5-羟色胺的影响

在大鼠给药后 72 小时,顺铂和甲氨蝶呤的给药显着增加了肠道组织中 5-羟色胺 (5-HT) 的释放。每天服用甲磺酸萘莫司他(一种有效的丝氨酸蛋白酶抑制剂)以剂量依赖性方式显着抑制甲氨蝶呤诱导的 5-HT 释放,但不能抑制顺铂诱导的 5-HT 释放。当应用于体外分离的回肠组织,甲磺酸萘莫司他也以浓度依赖性方式显着抑制甲氨蝶呤诱导的 5-HT 释放,但不抑制顺铂诱导的 5-HT 释放。这些结果表明丝氨酸蛋白酶参与了甲氨蝶呤诱导的大鼠小肠释放 5-HT 的机制。

更新日期:2020-10-28
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