Environmental monitoring of urban streams using a primary fish gill cell culture system (FIGCS).

Environmental monitoring of urban streams using a primary fish gill cell culture system (FIGCS).
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使用原代鱼鳃细胞培养系统(FIGCS)对城市河流进行环境监测。

DOI:
10.1016/j.ecoenv.2015.06.012
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发表时间:
2015
影响因子:
6.8
通讯作者:
Schnell S
Schnell S
中科院分区:
环境科学与生态学2区
文献类型:
--
作者:
Schnell S

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原代鱼鳃细胞培养系统(FIGCS)是一种有可能替代动物进行全污水毒性试验的体外技术。在本研究中,将FIGCS运输到田间,并在2个不同的采样日期从4个地点暴露于过滤(0.2 μm)河水24 h。站点1和站点2位于城市集水区(River Wandle,伦敦,英国),站点1位于污水处理厂下游;站点3位于郊区公园(River Cray,肯特,英国),站点4更靠近乡村(River Darent,肯特,英国)。在暴露于样品水24 h后,评估跨上皮电阻(TER)的变化,以及参与第1相代谢的金属响应基因金属硫蛋白A(metallothionein A,MT)和B(mt B)、细胞色素P450 1A 1(cyp 1a 1)和3A 27(cyp 3a 27)的表达。暴露于0.2 μm过滤河水的FIGCS与暴露于合成中等软水24 h的FIGCS之间的TER相当。在第一个采样时间内,有一个增加inflammatory,cyp 1a 1和cyp 3a 27基因表达的上皮细胞暴露于水从网站1和2,并在第二个采样期间增加inyp 3a 27基因表达的网站1和4。城市河水是污染物的复杂混合物(例如,金属、农药、药物和多环芳烃),以及FIGCS中编码CYP 1a 1和CYP 3a 27的基因表达的增加表明存在生物活性污染物。
The primary fish gill cell culture system (FIGCS) is anin vitrotechnique which has the potential to replace animals in whole effluent toxicity tests. In the current study FIGCS were transported into the field and exposed to filtered (0.2 μm) river water for 24 h from 4 sites, on 2 different sampling dates. Sites 1 and 2 are situated in an urban catchment (River Wandle, London, UK) with site 1 downstream of a sewage treatment work; site 3 is located in a suburban park (River Cray, Kent, UK), and site 4 is more rural (River Darent, Kent, UK). The change in transepithelial electrical resistance (TER), the expression of the metal responsive genes metallothionein A (mta) and B (mtb), cytochrome P450 1A1 (cyp1a1) and 3A27 (cyp3a27), involved in phase 1 metabolism, were assessed following exposure to sample water for 24 h. TER was comparable between FIGCS exposed to 0.2 μm filtered river water and those exposed to synthetic moderately soft water for 24 h. During the first sampling time, there was an increase inmta,cyp1a1andcyp3a27gene expression in epithelium exposed to water from sites 1 and 2, and during the second sampling period an increase incyp3a27gene expression at sites 1 and 4. Urban river water is a complex mixture of contaminants (e.g., metals, pesticides, pharmaceuticals and polyaromatic hydrocarbons) and the increase in the expression of genes encodingmta,cyp1a1andcyp3a27in FIGCS is indicative of the presence of biologically active pollutants.
培养的鳃上皮作为淡水鱼鳃的模型。
DOI: --
发表时间: 2002
期刊: Biochimica et Biophysica Acta
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影响因子: 11.4
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发表时间: 1999
影响因子: 5.1
作者:
T. Tateishi;M. Asoh;H. Nakura;Minoru Watanabe;Masami Tanaka;T. Kumai;Shinichi Kobayashi
通讯作者: Shinichi Kobayashi