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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Nam-Hee (College of Pharmacy, Yeungnam University) Hyun, Sun-Hee (College of Pharmacy, Yeungnam Universit) Jin, Chun-Hua (College of Pharmacy, Yeungnam Universit) Lee, Sang-Kyu (College of Pharmacy, Yeungnam Universit) Lee, Dong-Wook (College of Pharmacy, Yeungnam Universit) Jeon, Tae-Won (College of Pharmacy, Yeungnam Universit) Lee, Jae-Sung (College of Natural Resources, Yeungnam Universit) Chun, Young-Jin (College of Pharmacy, Chungang Universit) Lee, Eung-Seok (College of Pharmacy, Yeungnam University) Jeong, Tae-Cheon (College of Pharmacy, Yeungnam University)
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제27권 제7호
발행연도
2004.1
수록면
781 - 789 (9page)

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The effect of 1,8-cineole on cytochrome P450 (CYP) expression was investigated in male Sprague Dawley rats and female BALB/c mice. When rats were treated orally with 200, 400 and 800 mg/kg of 1,8-cineole for 3 consecutive days, the liver microsomal activities of benzy-loxyresorufin- and pentoxyresorufin-D-dealkylases and erythromycin N-demethylase were dose-dependently induced. The Western immunoblotting analyses clearly indicated the induction of CYP 2B1/2 and CYP 3A1/2 proteins by 1,8-cineole. At the doses employed, 1,8-cineole did not cause toxicity, including hepatotoxicity. Subsequently, 1,8-cineole was applied to study the role of metabolic activation in thioacetamide-induced hepatotoxicity and/or immunotoxicity in animal models. To investigate a possible role of metabolic activation by CYP enzymes in thioacetamide-induced hepatotoxicity, rats were pre-treated with 800 mg/kg of 1,8-cineole for 3 days, followed by a single intraperitoneal treatment with 50 and 100 mg/kg of thioacetamide in saline. 24 h later, thioacetamide-induced hepatotoxicity was significantly potentiated by the pretreatment with 1,8-cineole. When female BALB/c mice were pretreated with 800 mg/kg of 1,8-cineole for 3 days, followed by a single intraperitoneal treatment with 100 mg/kg of thioace-tamide, the antibody response to sheep red blood cells was significantly potentiated. In addition, the liver microsomal activities of CYP 2B enzymes were significantly induced by 1,8-cineole as in rats. Taken together, our results indicated that 1,8-cineole might be a useful CYP modulator in investigating the possible role of metabolic activation in chemical-induced hepato-toxicity and immunotoxicity.

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