Relationship between permeability glycoprotein (P-gp) gene expression and enrofloxacin metabolism in Nile Tilapia

The aim of this study was to analyze the influence of permeability glycoprotein (P-gp) gene expression on enrofloxacin (ENR) metabolism in aquatic animals. Nile Tilapia Oreochomis niloticus were fed different doses of ENR ranging from 0 to 80 mg/kg. The P-gp gene expression levels were determined by...

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Veröffentlicht in:Journal of aquatic animal health. - 1998. - 26(2014), 2 vom: 28. Juni, Seite 59-65
1. Verfasser: Hu, Kun (VerfasserIn)
Weitere Verfasser: Cheng, Gang, Zhang, Haixin, Wang, Huicong, Ruan, Jiming, Chen, Li, Fang, Wenhong, Yang, Xianle
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Journal of aquatic animal health
Schlagworte:Journal Article Research Support, Non-U.S. Gov't ATP Binding Cassette Transporter, Subfamily B, Member 1 Anti-Bacterial Agents Fluoroquinolones Enrofloxacin 3DX3XEK1BN
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520 |a The aim of this study was to analyze the influence of permeability glycoprotein (P-gp) gene expression on enrofloxacin (ENR) metabolism in aquatic animals. Nile Tilapia Oreochomis niloticus were fed different doses of ENR ranging from 0 to 80 mg/kg. The P-gp gene expression levels were determined by quantitative real-time PCR (qRT-PCR) at indicated time points after drug administration. Drug metabolism was determined by HPLC. The P-gp gene expression in liver and kidney was greatly enhanced 30 min after ENR administration at 40 mg/kg, peaked 3 h after drug administration, and then gradually decreased. Thirty minutes after a single oral administration of ENR (0, 20, 40, or 80 mg/kg), the P-gp gene expression increased in a dose-dependent manner. The P-gp gene expression levels in the kidney were significantly higher than those in the liver. Additionally, the metabolic rate of ENR in kidney was more rapid than that in liver. Furthermore, a close correlation was found between P-gp gene expression and ENR concentrations. These results suggest that P-gp may be involved in the ENR metabolism process in Nile Tilapia, providing a novel model for the potential utility of gene expression and drug metabolism studies in aquatic animals 
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650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a Anti-Bacterial Agents  |2 NLM 
650 7 |a Fluoroquinolones  |2 NLM 
650 7 |a Enrofloxacin  |2 NLM 
650 7 |a 3DX3XEK1BN  |2 NLM 
700 1 |a Cheng, Gang  |e verfasserin  |4 aut 
700 1 |a Zhang, Haixin  |e verfasserin  |4 aut 
700 1 |a Wang, Huicong  |e verfasserin  |4 aut 
700 1 |a Ruan, Jiming  |e verfasserin  |4 aut 
700 1 |a Chen, Li  |e verfasserin  |4 aut 
700 1 |a Fang, Wenhong  |e verfasserin  |4 aut 
700 1 |a Yang, Xianle  |e verfasserin  |4 aut 
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