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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Zhu, Jingmin Yu, Lin Wu, Lijiao Hu, Lingling Shi, Huahong |
| Description | Author Affiliation: Zhu J ( State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062, China. Electronic address: jmzhu1991@163.com.); Yu L ( Key Laboratory of Urbanization and Ecological Restoration, Department of Environmental Science, East China Normal University, Shanghai 200062, China.); Wu L ( State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062, China.); Hu L ( State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062, China.); Shi H ( State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062, China. Electronic address: hhshi@des.ecnu.edu.cn.) |
| Abstract | Xenopus tropicalis embryos were exposed for 48 hr to the mixtures of 5 µg Sn/L triphenyltin (TPT), which is a well-known endocrine disruptor, and 0.25-5 µg/L 9-cis retinoic acid (9c-RA), which is the natural ligand of retinoid X receptor. The phenotypes induced by combined exposure were more variable than those resulting from single exposure to either TPT or 9c-RA. The prominent phenotypes included underdeveloped head structures, abnormal eyes, narrow fins, enlarged proctodaeum, etc. Especially, combined exposure induced unexpected notochord malformations, which ranged from small swellings of the surface of the tails to the extension and extrusion of notochord out of the posterior tails. Compared with the 5 µg Sn/L TPT-treated group, the index of fin deficiency was not affected, and the index of axis deficiency was significantly increased with increasing RA concentrations in the mixtures. Our results suggest that combined exposure to TPT and 9c-RA induced not only more variable phenotypes of malformations than exposure to single compound but also some new and unexpected phenotypes. |
| File Format | HTM / HTML |
| ISSN | 10010742 |
| Issue Number | 3 |
| Volume Number | 26 |
| Journal | Journal of Environmental Sciences |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2014-03-01 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Environmental Health Abnormalities, Drug-induced Embryo, Nonmammalian Drug Effects Organotin Compounds Toxicity Retinoid X Receptors Agonists Tretinoin Animals Drug Interactions Ultrastructure Embryonic Development Female Male Phenotype Teratogenesis Xenopus Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Medicine Environmental Engineering |
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