Evidence for elevation of cytochrome P4502E1 (alcohol-inducible form) mRNA levels in rat kidney following pyridine administration.

Evidence for elevation of cytochrome P4502E1 (alcohol-inducible form) mRNA levels in rat kidney following pyridine administration.
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给予吡啶后大鼠肾脏中细胞色素 P4502E1(酒精诱导形式)mRNA 水平升高的证据。

DOI:
10.1016/0006-291x(92)90823-4
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发表时间:
1992
影响因子:
3.1
通讯作者:
Novak,RF
Novak,RF
中科院分区:
生物学4区
文献类型:
--
作者:
Kim,H;Kim,SG;Lee,MY;Novak,RF

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本文用免疫印迹和北方印迹法研究了吡啶对大鼠肾脏细胞色素P4502 E1(CYP 2E1)表达的影响。免疫印迹分析显示,2E1蛋白水平升高1.4至4.6倍后,吡啶给药的剂量和时间依赖性的方式。北方印迹分析显示,肾脏2E1 poly(A)+RNA水平在吡啶处理后从1.4倍增加到3.8倍,并且2E1 mRNA的这些增加抵消了2E1蛋白含量的剂量和时间依赖性增加。相反,在这些相同的给药方案后,肝脏2E1 poly(A)+RNA水平未能增加,表明代谢改变(如与饥饿相关的代谢改变)不是肾脏2E1诱导的病因因素。这些结果表明,吡啶诱导肾脏中的CYP2E1,并且伴随吡啶给药的肾脏2E1蛋白水平升高至少部分是2E1 poly(A)+RNA水平升高的结果。这项研究的结果表明,管理CYP2E1表达的调节机制可能在肝脏和肾脏组织中不同。
The effects of pyridine on renal cytochrome P4502E1 (CYP2E1) expression in rat have been examined by immunoblot and Northern blot analyses. Immunoblot analyses revealed that 2E1 protein levels were elevated from 1.4- to 4.6-fold following pyridine administration in a dose- and time-dependent manner. Northern blot analyses revealed that renal 2E1 poly(A)+RNA levels increased from 1.4- to 3.8-fold following pyridine treatment and that these increases in 2E1 mRNA paralleled the dose- and time-dependent increases in 2E1 protein content. In contrast, hepatic 2E1 poly(A)+RNA levels failed to increase following these same dosing regimens, suggesting that metabolic alterations, such as those associated with starvation, were not etiologic factors in renal 2E1 induction. These results show that pyridine induced CYP2E1 in kidney and that elevation of renal 2E1 protein levels accompanying pyridine administration occurred at least partly as a consequence of increased 2E1 poly(A)+RNA levels. The results of this research reveal that regulatory mechanisms governing CYP2E1 expression may differ in hepatic and renal tissues.
DOI: 10.1016/s0021-9258(18)61070-1
发表时间: 1987-07
期刊: The Journal of biological chemistry
影响因子: --
作者:
P. Matsudaira
通讯作者: P. Matsudaira
DOI: --
发表时间: 1988-09
期刊: The Journal of pharmacology and experimental therapeutics
影响因子: --
作者:
Sang Geon Kim;David E. Williams;E. Schuetz;P. Guzelian;R. Novak
通讯作者: Sang Geon Kim;David E. Williams;E. Schuetz;P. Guzelian;R. Novak
DOI: --
发表时间: 1982
期刊: Biochemical and Biophysical Research Communications - BBRC
影响因子: --
作者:
Karen Kaul Hajek;Raymond F. Novak
通讯作者: Raymond F. Novak
DOI: --
发表时间: 1983-02
期刊: Cancer research
影响因子: 11.2
作者:
Y. Y. Tu-Y.;Chung S. Yang
通讯作者: Y. Y. Tu-Y.;Chung S. Yang
吡唑、苯巴比妥、乙醇和3-甲基胆蒽预处理对N-亚硝基吡咯烷体内外遗传毒性的影响。
DOI: 10.1093/carcin/9.6.1001
发表时间: 1988
期刊: Carcinogenesis
影响因子: 4.7
作者:
Gold,B;Brunk,G
通讯作者: Brunk,G