Induction of vitellogenin mRNA in juvenile chinese sturgeon (Acipenser sinensis gray) treated with 17β-estradiol and 4-nonylphenol
Identifieur interne : 001025 ( Main/Merge ); précédent : 001024; suivant : 001026Induction of vitellogenin mRNA in juvenile chinese sturgeon (Acipenser sinensis gray) treated with 17β-estradiol and 4-nonylphenol
Auteurs : ZHAOBIN ZHANG [République populaire de Chine] ; JIANYING HU [République populaire de Chine] ; WEI AN [République populaire de Chine] ; FEN JIN [République populaire de Chine] ; LIHUI AN [République populaire de Chine] ; SHU TAO [République populaire de Chine] ; JINGSHENG CHEN [République populaire de Chine]Source :
- Environmental toxicology and chemistry [ 0730-7268 ] ; 2005.
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Abstract
It has been demonstrated that 4-nonylphenol (4-NP) exerts estrogenic effects in diverse fishes. The present study investigated the effects of 4-NP on Chinese sturgeon (Acipenser sinensis Gray) vitellogenin (VTG) gene expression. By reverse transcription-polymerase chain reaction (RT-PCR) using degenerate primers, a 462-base pair fragment of Chinese sturgeon VTG, corresponding to a 154-amino acid sequence, was amplified and sequenced. This sequence exhibited 152/154 identity to the amino acid sequence of white sturgeon (A. transmontano) VTG. Conventional RT-PCR and quantitative real-time RT-PCR were established and used to study the VTG and (3-actin gene expression in the liver of juvenile Chinese sturgeon injected three times with 17β-estradiol (5 mg/kg body wt/week) or 4-NP (10 or 100 mg/kg/week) in the course of three weeks. Significant induction of VTG gene expression was detected in all treated groups, and no VTG mRNA was detected in the control group. The ratio of VTG to β-actin analyzed from the results of quantitative real-time RT-PCR reached 0.041 ± 0.024 (mean ± SD) in the group receiving 10 mg/kg/week of 4-NP and 4.51 ± 1.68 in the group receiving 100 mg/kg/week of 4-NP. Chemical analysis of 4-NP showed that the concentrations of 4-NP in the 10 mg/kg/week group and the 100 mg/kg/week group were 2.78 ± 2.41 and 31.38 ± 0.26 μg/ g wet weight, respectively. Compared with the 4-NP concentrations (0.8-1.92 μg/g wet wt) in fish from the Yangtze River. China, a potential hazard exists regarding 4-NP in Chinese sturgeon. These results represent the first indication of the risk of endocrine-disrupting chemicals for Chinese sturgeon.
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Peking University</s1><s2>Beijing 100871</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>République populaire de Chine</country><placeName><settlement type="city">Pékin</settlement></placeName><orgName type="university">Université de Pékin</orgName><placeName><settlement type="city">Pékin</settlement><region type="capitale">Pékin</region></placeName></affiliation></author><author><name sortKey="Jianying Hu" sort="Jianying Hu" uniqKey="Jianying Hu" last="Jianying Hu">JIANYING HU</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>College of Environmental Science, Peking University</s1><s2>Beijing 100871</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>République populaire de Chine</country><placeName><settlement type="city">Pékin</settlement></placeName><orgName type="university">Université de Pékin</orgName><placeName><settlement type="city">Pékin</settlement><region type="capitale">Pékin</region></placeName></affiliation></author><author><name sortKey="Wei An" sort="Wei An" uniqKey="Wei An" last="Wei An">WEI AN</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>College of Environmental Science, Peking University</s1><s2>Beijing 100871</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>République populaire de Chine</country><placeName><settlement type="city">Pékin</settlement></placeName><orgName type="university">Université de Pékin</orgName><placeName><settlement type="city">Pékin</settlement><region type="capitale">Pékin</region></placeName></affiliation></author><author><name sortKey="Fen Jin" sort="Fen Jin" uniqKey="Fen Jin" last="Fen Jin">FEN JIN</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>College of Environmental Science, Peking University</s1><s2>Beijing 100871</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>République populaire de Chine</country><placeName><settlement type="city">Pékin</settlement></placeName><orgName type="university">Université de Pékin</orgName><placeName><settlement type="city">Pékin</settlement><region type="capitale">Pékin</region></placeName></affiliation></author><author><name sortKey="Lihui An" sort="Lihui An" uniqKey="Lihui An" last="Lihui An">LIHUI AN</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>College of Environmental Science, Peking University</s1><s2>Beijing 100871</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>République populaire de Chine</country><placeName><settlement type="city">Pékin</settlement></placeName><orgName type="university">Université de Pékin</orgName><placeName><settlement type="city">Pékin</settlement><region type="capitale">Pékin</region></placeName></affiliation></author><author><name sortKey="Shu Tao" sort="Shu Tao" uniqKey="Shu Tao" last="Shu Tao">SHU TAO</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>College of Environmental Science, Peking University</s1><s2>Beijing 100871</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>République populaire de Chine</country><placeName><settlement type="city">Pékin</settlement></placeName><orgName type="university">Université de Pékin</orgName><placeName><settlement type="city">Pékin</settlement><region type="capitale">Pékin</region></placeName></affiliation></author><author><name sortKey="Jingsheng Chen" sort="Jingsheng Chen" uniqKey="Jingsheng Chen" last="Jingsheng Chen">JINGSHENG CHEN</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>College of Environmental Science, Peking University</s1><s2>Beijing 100871</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>République populaire de Chine</country><placeName><settlement type="city">Pékin</settlement></placeName><orgName type="university">Université de Pékin</orgName><placeName><settlement type="city">Pékin</settlement><region type="capitale">Pékin</region></placeName></affiliation></author></analytic><series><title level="j" type="main">Environmental toxicology and chemistry</title><title level="j" type="abbreviated">Environ. toxicol. chem.</title><idno type="ISSN">0730-7268</idno><imprint><date when="2005">2005</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Environmental toxicology and chemistry</title><title level="j" type="abbreviated">Environ. toxicol. chem.</title><idno type="ISSN">0730-7268</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>17β-Estradiol</term><term>Acipenser sturio</term><term>Ecotoxicology</term><term>Endocrine disruptor</term><term>Induction</term><term>Polymerase chain reaction</term><term>Vitellogenin</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Induction</term><term>Vitellogénine</term><term>Perturbateur endocrinien</term><term>Réaction chaîne polymérase</term><term>Ecotoxicologie</term><term>17β-Oestradiol</term><term>Acipenser sturio</term><term>Phénol(nonyl)</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">It has been demonstrated that 4-nonylphenol (4-NP) exerts estrogenic effects in diverse fishes. The present study investigated the effects of 4-NP on Chinese sturgeon (Acipenser sinensis Gray) vitellogenin (VTG) gene expression. By reverse transcription-polymerase chain reaction (RT-PCR) using degenerate primers, a 462-base pair fragment of Chinese sturgeon VTG, corresponding to a 154-amino acid sequence, was amplified and sequenced. This sequence exhibited 152/154 identity to the amino acid sequence of white sturgeon (A. transmontano) VTG. Conventional RT-PCR and quantitative real-time RT-PCR were established and used to study the VTG and (3-actin gene expression in the liver of juvenile Chinese sturgeon injected three times with 17β-estradiol (5 mg/kg body wt/week) or 4-NP (10 or 100 mg/kg/week) in the course of three weeks. Significant induction of VTG gene expression was detected in all treated groups, and no VTG mRNA was detected in the control group. The ratio of VTG to β-actin analyzed from the results of quantitative real-time RT-PCR reached 0.041 ± 0.024 (mean ± SD) in the group receiving 10 mg/kg/week of 4-NP and 4.51 ± 1.68 in the group receiving 100 mg/kg/week of 4-NP. Chemical analysis of 4-NP showed that the concentrations of 4-NP in the 10 mg/kg/week group and the 100 mg/kg/week group were 2.78 ± 2.41 and 31.38 ± 0.26 μg/ g wet weight, respectively. Compared with the 4-NP concentrations (0.8-1.92 μg/g wet wt) in fish from the Yangtze River. China, a potential hazard exists regarding 4-NP in Chinese sturgeon. These results represent the first indication of the risk of endocrine-disrupting chemicals for Chinese sturgeon.</div></front></TEI><affiliations><list><country><li>République populaire de Chine</li></country><region><li>Pékin</li></region><settlement><li>Pékin</li></settlement><orgName><li>Université de Pékin</li></orgName></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Zhaobin Zhang" sort="Zhaobin Zhang" uniqKey="Zhaobin Zhang" last="Zhaobin Zhang">ZHAOBIN ZHANG</name></noRegion><name sortKey="Fen Jin" sort="Fen Jin" uniqKey="Fen Jin" last="Fen Jin">FEN JIN</name><name sortKey="Jianying Hu" sort="Jianying Hu" uniqKey="Jianying Hu" last="Jianying Hu">JIANYING HU</name><name sortKey="Jingsheng Chen" sort="Jingsheng Chen" uniqKey="Jingsheng Chen" last="Jingsheng Chen">JINGSHENG CHEN</name><name sortKey="Lihui An" sort="Lihui An" uniqKey="Lihui An" last="Lihui An">LIHUI AN</name><name sortKey="Shu Tao" sort="Shu Tao" uniqKey="Shu Tao" last="Shu Tao">SHU TAO</name><name sortKey="Wei An" sort="Wei An" uniqKey="Wei An" last="Wei An">WEI AN</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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