ウメガキ ケイゾウ    UMEGAKI Keizo
   梅垣 敬三
   所属
食健康科学部 食安全マネジメント学科
 
生活機構研究科 生活科学研究専攻
 
研究支援機器センター 所属教員
 
生活機構研究科 生活機構学専攻
   職種
教授
言語種別 日本語
発行・発表の年月 2020/01
形態種別 学術雑誌
査読 査読あり
標題 Comparison of CYP Induction by Coleus forskohlii Extract and Recovery in the Small Intestine and Liver of Mice.
執筆形態 共著
掲載誌名 Biol Pharm Bull
掲載区分国外
巻・号・頁 43(1),116-123頁
著者・共著者 Yokotani K, Yamazaki Y, Shimura F, Umegaki K
概要 We examined CYP induction and recovery at various doses of Coleus forskohlii extract (CFE) to assess potential drug interactions by a mechanism involving intestinal CYP. Mice were administered diets with various doses of CFE up to 0.5% (equivalent to 700-800 mg/kg body weight) for 2 weeks, then CFE was withdrawn for 3 d. Changes in CYP activities and mRNA expression in the small intestine and liver were then evaluated. CFE induced CYP in the small intestine at a higher dose compared to the liver; CYP3A was induced at 0.5% and 0.005% CFE in the small intestine and liver, respectively. There was no sex difference in CFE dose for CYP induction. CYP induction quickly reverted after withdrawal of CFE, especially for CYP3A, in the small intestine; whereas, a gradual recovery was observed in the liver. In conclusion, CFE induced CYP in the small intestine and liver; however, a higher dose of CFE was needed for the small intestine. Moreover, the induction was soon recovered, suggesting actual interactions of CFE with prescription drugs are unlikely to occur through CYP in the small intestine.