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题名: Aryl hydrocarbon receptor (AhR) inducers and estrogen receptor (ER) activities in surface sediments of Three Gorges Reservoir, China evaluated with in vitro cell bioassays
作者: Wang, Jingxian1, 2, 3; Bovee, Toine F. H.4; Bi, Yonghong3; Bernhoeft, Silke2; Schramm, Karl-Werner1, 2
通讯作者: Wang, JX (reprint author), Tech Univ Munich, Ctr Life & Food Sci Land Use & Environm, Dept Biosci, Weihenstephaner Steig 23, D-85350 Freising Weihenstephan, Germany.
关键词: Estrogenic effect ; Antagonism ; Synergistic effect ; EROD activity ; Sediment ; TGR (Three Gorges Reservoir)
刊名: ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
发表日期: 2014-02-01
DOI: 10.1007/s11356-013-2260-2
卷: 21, 期:4, 页:3145-3155
收录类别: SCI
文章类型: Article
部门归属: [Wang, Jingxian; Schramm, Karl-Werner] Tech Univ Munich, Ctr Life & Food Sci Land Use & Environm, Dept Biosci, D-85350 Freising Weihenstephan, Germany; [Wang, Jingxian; Bernhoeft, Silke; Schramm, Karl-Werner] German Res Ctr Environm Hlth GmbH, Helmholtz Ctr Munich, Mol EXpos MEX, D-85764 Neuherberg, Germany; [Wang, Jingxian; Bi, Yonghong] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; [Bovee, Toine F. H.] WUR, Inst Food Safety, RIKILT, Dept Toxicol & Bioassays, NL-6700 AE Wageningen, Netherlands
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: German Ministry of Education and Research [BMBF 02WT1132]
类目[WOS]: Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology
摘要: Two types of biological tests were employed for monitoring the toxicological profile of sediment cores in the Three Gorges Reservoir (TGR), China. In the present study, sediments collected in June 2010 from TGR were analyzed for estrogen receptor (ER)-and aryl hydrocarbon receptor (AhR)-mediated activities. The estrogenic activity was assessed using a rapid yeast estrogen bioassay, based on the expression of a green fluorescent reporter protein. Weak anti-estrogenic activity was detected in sediments from an area close to the dam of the reservoir, and weak estrogenic activities ranging from 0.3 to 1 ng 17 beta-estradiol (E2) equivalents (EQ) g(-1) dry weight sediment (dw) were detected in sediments from the Wanzhou to Guojiaba areas. In the upstream areas Wanzhou and Wushan, sediments demonstrated additive effects in co-administration of 1 nM E2 in the yeast test system, while sediments from the downstream Badong and Guojiaba areas showed estrogenic activities which seemed to be more than additive (synergistic activity). There was an increasing tendency in estrogenic activity from upstream of TGR to downstream, while this tendency terminated and converted into anti-estrogenic activity in the area close to the dam. The AhR activity was detected employing rat hepatoma cell line (H4IIE). EROD activities were found homogenously distributed in sediments in TGR ranging from 200 to 311 pg 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) EQ g(-1) dw for total AhR agonists and from 45 to 76 pg TCDD EQ g(-1) dw for more persistent AhR agonists. The known AhR agonists polycyclic aromatic hydrocarbon, polychlorinated biphenyl, and PCDD/F only explained up to 8 % of the more persistent AhR agonist activity in the samples, which suggests that unidentified AhR-active compounds represented a great proportion of the TCDD EQ in sediments from TGR. These findings of estrogenic potential and dioxin-like activity in TGR sediments provide possible weight-of-evidence of potential ecotoxicological causes for the declines in fish populations which have been observed during the past decades in TGR.
英文摘要: Two types of biological tests were employed for monitoring the toxicological profile of sediment cores in the Three Gorges Reservoir (TGR), China. In the present study, sediments collected in June 2010 from TGR were analyzed for estrogen receptor (ER)-and aryl hydrocarbon receptor (AhR)-mediated activities. The estrogenic activity was assessed using a rapid yeast estrogen bioassay, based on the expression of a green fluorescent reporter protein. Weak anti-estrogenic activity was detected in sediments from an area close to the dam of the reservoir, and weak estrogenic activities ranging from 0.3 to 1 ng 17 beta-estradiol (E2) equivalents (EQ) g(-1) dry weight sediment (dw) were detected in sediments from the Wanzhou to Guojiaba areas. In the upstream areas Wanzhou and Wushan, sediments demonstrated additive effects in co-administration of 1 nM E2 in the yeast test system, while sediments from the downstream Badong and Guojiaba areas showed estrogenic activities which seemed to be more than additive (synergistic activity). There was an increasing tendency in estrogenic activity from upstream of TGR to downstream, while this tendency terminated and converted into anti-estrogenic activity in the area close to the dam. The AhR activity was detected employing rat hepatoma cell line (H4IIE). EROD activities were found homogenously distributed in sediments in TGR ranging from 200 to 311 pg 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) EQ g(-1) dw for total AhR agonists and from 45 to 76 pg TCDD EQ g(-1) dw for more persistent AhR agonists. The known AhR agonists polycyclic aromatic hydrocarbon, polychlorinated biphenyl, and PCDD/F only explained up to 8 % of the more persistent AhR agonist activity in the samples, which suggests that unidentified AhR-active compounds represented a great proportion of the TCDD EQ in sediments from TGR. These findings of estrogenic potential and dioxin-like activity in TGR sediments provide possible weight-of-evidence of potential ecotoxicological causes for the declines in fish populations which have been observed during the past decades in TGR.
关键词[WOS]: LUMBRICULUS-VARIEGATUS OLIGOCHAETA ; ENDOCRINE DISRUPTING CHEMICALS ; GREEN FLUORESCENT PROTEIN ; EFFECT-DIRECTED ANALYSIS ; YANGTZE-RIVER ; DIOXIN-LIKE ; ENVIRONMENTAL-SAMPLES ; WASTE-WATER ; STEROIDAL ESTROGENS ; TOXICITY
语种: 英语
WOS记录号: WOS:000331815100068
ISSN号: 0944-1344
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/20114
Appears in Collections:藻类生物学及应用研究中心_期刊论文

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作者单位: 1.Tech Univ Munich, Ctr Life & Food Sci Land Use & Environm, Dept Biosci, D-85350 Freising Weihenstephan, Germany
2.German Res Ctr Environm Hlth GmbH, Helmholtz Ctr Munich, Mol EXpos MEX, D-85764 Neuherberg, Germany
3.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
4.WUR, Inst Food Safety, RIKILT, Dept Toxicol & Bioassays, NL-6700 AE Wageningen, Netherlands

Recommended Citation:
Wang, Jingxian; Bovee, Toine F. H.; Bi, Yonghong; Bernhoeft, Silke; Schramm, Karl-Werner.Aryl hydrocarbon receptor (AhR) inducers and estrogen receptor (ER) activities in surface sediments of Three Gorges Reservoir, China evaluated with in vitro cell bioassays,ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2014,21(4):3145-3155
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