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원숭이 뇌 약물대사효소 유전자 발현에 미치는 3-methylcholanthrene 영향
이경원(Kyung W. Lee),아사오카(Kazuo Asaoka),신윤용(Yhun Y. Sheen) 한국환경성돌연변이발암원학회 2004 한국환경성돌연변이·발암원학회지 Vol.24 No.1
In order to understand the mechanism of the regulation of drug metabolizing enzyme gene expres-sion, we have studied the induction of CYP1A1 and GSTα, μ, π enzymes in Japanese monkey and rhesus monkey after the treatment with 3-methylcholanthrene (3MC) and di-n- butyl phthalate (DBP) and bisphenol A (BPA). The levels of mRNA were measured by RT-PCR in brain, intestine and liver. In the case of adult monkey, treatment with 3MC induced CYP1A1 mRNA in brain by 2-fold. The treatment with DBP induced CYP1A1 mRNA. Effects of 3MC and DBP on GST mRNA expression was not clear. But GSTμ was slightly inhibited by the treatment with 3MC and DBP. GSTα was not induced by the treatment with 3MC and DBP in brain. GSTπ was slightly induced by the treatment with 3MC and DBP in brain. In the case of fetus monkey, the basal levels of fetus CYP1A1 mRNA and GSTs mRNA were relatively low compared to adult monkey. As the age of monkey increased, the basal levels of CYP1A1 mRNA were also increased. 3MC induced the expression of CYP1A1 mRNA in liver, whereas it didn't significantly induce CYP1A1 mRNA in brain. The levels of GSTμ and GSTα were not changed by the treatment with 3MC and DBP. GSTπ was slightly induced by the treatment with 3MC and DBP.
원숭이 소장 약물대사효소 유전자 발현에 미치는 3-methylcholanthrene 영향
이경원(Kyung W. Lee),아사오카(Kazuo Asaoka),신윤용(Yhun Y. Sheen) 한국환경성돌연변이발암원학회 2004 한국환경성돌연변이·발암원학회지 Vol.24 No.1
In order to understand the mechanism of the regulation of drug metabolizing enzyme gene expression, we have studied the induction of CYP1A1 and GSTα, μ, π enzymes in Japanese monkey and rhesus monkey after the treatment with 3-methylcholanthrene (3MC) and di-n-butyl phthalate (DBP) and bisphenol A (BPA), The levels of mRNA were measured by RT-PCR in brain, intestine and liver. In the case of adult monkey, treatment with 3MC induced CYP1A1 mRNA in intestine by 11-fold. The treatment with DBP induced CYP1A1 mRNA. Effects of 3MC and DBP on GST mRNA expression was not clear. But GSTμ was slightly inhibited by the treatment with 3MC and DBP. GSTα was induced in intestine by 1.5-fold. GSTπ was slightly induced by the treatment with 3MC and DBP in intestine. In the case of fetus monkey, the basal levels of fetus CYP1A1 mRNA and GSTs mRNA were relatively low compared to adult monkey. As the age of monkey increased, the basal levels of CYP1A1 mRNA were also increased. 3MC induced the expression of CYP1A1 mRNA didn't significantly induce CYP1A1 mRNA in intestine. The levels of GSTμ and GSTπ were not changed by the treatment with 3MC and DBP. GSTπ was slightly induced by the treatment with 3MC and DBP.
원숭이 간 약물대사효소 유전자 발현에 미치는 3-methylcholanthrene 영향
이경원(Kyung W. Lee),아사오카(Kazuo Asaoka),신윤용(Yhun Y. Sheen) 한국환경성돌연변이발암원학회 2004 한국환경성돌연변이·발암원학회지 Vol.24 No.2
In order to understand the mechanism of the regulation of drug metabolizing enzyme gene expression, we have studied the induction of CYP1A1 and GSTα, μ, π enzymes in Japanese monkey and rhesus monkey after the treatment with 3-methylcholanthrene (3MC) and di-n-butyl phthalate (DBP) and bisphenol A (BPA). The levels of mRNA were measured by RT-PCR in brain, intestine and liver. In the case of adult monkey, treatment with 3MC induced CYP1A1 mRNA in liver by 10-fold. The treatment with DBP induced CYP1A1 mRNA. Effects of 3MC and DBP on GST mRNA expression was not clear. But GSTμwas slightly inhibited by the treatment with 3MC and DBP. GSTπ was not induced by the treatment with 3MC and DBP in liver. GSTα was slightly induced by the treatment with 3MC and DBP in liver. In the case of fetus monkey, the basal levels of fetus CYP1A1 mRNA and GSTs mRNA were relatively low compared to adult monkey. As the age of monkey increased, the basal levels of CYP1A1 mRNA were also increased. 3MC induced the expression of CYP1A1 mRNA in liver. The levels of GSTμ and GSTα were not changed by the treatment with 3MC and DBP. GSTπ was slightly induced by the treatment with 3MC and DBP.