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Xenobiotica
the fate of foreign compounds in biological systems
Volume 45, 2015 - Issue 4
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Research Article

Effects of tetrahydroxystilbene glucoside on mouse liver cytochrome P450 enzyme expressions

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Pages 279-285 | Received 04 Aug 2014, Accepted 11 Oct 2014, Published online: 28 Oct 2014
 

Abstract

1. To investigate the effects of tetrahydroxystilbene glucoside (TSG), the main active component of Polygonum multiflorum, on mouse liver cytochrome P450 (Cyp) enzyme protein expressions. Male mice were randomly divided into the control, TSG low (10 mg/kg) and high dose (40 mg/kg) groups. After TSG intragastrical administration for 3, 5 and 7 d, mice were sacrificed and the mouse body and liver weight were detected. The Cyp enzymes and various transcription factors such as AhR, PXR and PPARα protein expressions in mouse livers were measured by Western blotting assay.

2. No significant difference of mouse body and liver weight between the control and TSG treatment groups was detected. Additionally, TSG decreased Cyp1a2 and Cyp2e1 protein expressions after TSG treatment for 3, 5 and 7 d, respectively. Moreover, TSG suppressed Cyp3a11 protein expression after TSG treatment for 5 and 7 d. Furthermore, TSG high dose inhibited AhR and PXR protein expressions after TSG treatment for 5 and 7 d, while both TSG low dose and high dose obviously decreased PPARα protein level from TSG treatment for 3 d.

3. TSG has inhibitory effects on mouse liver Cyp1a2, Cyp2e1 and Cyp3a11 protein expressions through the suppression of AhR, PXR and PPARα activation.

Declaration of interest

This study was supported by the National Natural Science Foundation of China (no. 81102433), the Program for New Century Excellent Talents in University (no. NCET-12-0662) and the Technology Foundation for Selected Overseas Chinese Scholar of Guizhou Province. The authors report no declarations of interest.

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