PMID: 19943494Dec 1, 2009Paper

Effect of Panax notoginseng on genes expression of CYP and GST in lung tissues of rats

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
Xiufen YangQianqian Gao

Abstract

To examine the effects of Panax notoginseng on the expression of cytochrome P450 (CYP) genes and glutathione S-transferase (GST) genes in lung tissues of male SD rats. Rats were administered P. notoginseng 2 or 4 g X kg(-1) bw/d by gavage daily for 15 days. The levels of gene expression of CYP1A1, CYP1A2, CYP1B1, CYP2B1, CYP2E1, CYP3A1, CYP4A1 and glutathione S-transferase ml (GST-ml) and glutathione S-transferase pi (GST-pi) were examined by quantitative real-time reverse-transcription polymerase chain reaction (quantitative real time-RT-PCR) assays. The expression of CYP2E1, CYP1A2 and GST-pi genes was not changed by P. notoginseng treatment, however, 2 g * kg-1 dose of P. notoginseng gave a 4.00-fold (P < 0.05) induction of CYP3A1 mRNA. P. notoginseng significantly increased mRNA expressions of GSTml (1.64-fold, P <0. 05 and 1.53-fold, P > 0.05) and CYP1A1 (3.44-fold, P > 0.05 and 6.05-fold, P < 0.05) in the 2 g x kg(-1) and 4 g x kg(-1) bw/d treatment groups, respectively, but P. notoginseng had a inhibitory tendency on mRNA expressions of CYP1B1 (0.81-fold, P > 0.05 and 0.38-fold, P > 0.05) and significantly inhibited the expressions of CYP2B1 (0.47-fold, P < 0.05 and 0.50-fold, P < 0.05) and CYP4A1 (0.54-fold, P < 0.05 an...Continue Reading

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