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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Xiu, Meng Pan, Luqing Jin, Qian |
| Description | Author Affiliation: Xiu M ( The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, PR China.); Pan L ( The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, PR China. Electronic address: panlq@ouc.edu.cn.); Jin Q ( The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, PR China.) |
| Abstract | This study aims to investigate potential toxic effects of chrysene (CHR) on mature scallop Chlamys farreri during the reproduction period, using indicators of antioxidant defences and oxidative stress. Scallops were exposed to 0.2, 0.8 and 3.2µg/L waterborne CHR for 21 days, at day 10 scallops were induced to spawn. At days 1, 3, 6, 10, 11, 15 and 21, aryl hydrocarbon hydroxylase (AHH), 7-ethoxyresorufin-O-deethylase (EROD), glutathione-s-transferase (GST), glutathione (GSH), superoxide dismutase (SOD), lipid peroxidation (LPO), protein carbonyl (PC) and DNA strand breaks in digestive glands were examined by separately analysing male and female scallops. During the pre-spawn period, Levels of enzymatic activities and oxidative stress were all induced by the exposure to CHR for females and males. GST activity presented a good time- and dose-dependent relationship only in males, and GSH content showed a dose-dependent manner in both sexes. During the post-spawn period, different trends were observed, while PC contents maintained growth in time- and dose-dependent manner. Overall, males were more sensitive than females to CHR exposure in enzyme activities, and correspondingly, females suffered from more serious oxidative damages. Both GSH and PC contents seemed to be potential biomarkers for PAH exposure. These results will offer the information on toxicity of CHR in this species, and ensure the influence of gender and reproductive status on PAH detoxification metabolism. |
| File Format | HTM / HTML |
| ISSN | 13826689 |
| Journal | Environmental Toxicology and Pharmacology |
| Volume Number | 44 |
| e-ISSN | 18727077 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2016-06-01 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Environmental Health Discipline Pharmacology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Health, Toxicology and Mutagenesis Medicine Toxicology Pharmacology |
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