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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Saravanan, Manoharan Hur, Jang-Hyun Arul, Narayanasamy Ramesh, Mathan |
| Description | Author Affiliation: Saravanan M ( Unit of Toxicology, Department of Zoology, School of Life Sciences, Bharathiar University, Coimbatore 641 046, Tamil Nadu, India); Hur JH ( Bio-Regulatory Chemistry Lab, Department of Biological Environment, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon 200-701, Republic of Korea.); Arul N ( Department of Life Science, Research Center for Cell Homeostasis, Ewha Womens University, Seoul 120-750, Republic of Korea.); Ramesh M ( Unit of Toxicology, Department of Zoology, School of Life Sciences, Bharathiar University, Coimbatore 641 046, Tamil Nadu, India. Electronic address: mathanramesh@yahoo.com.) |
| Abstract | In the present investigation, the toxicity of most commonly detected pharmaceuticals in the aquatic environment namely clofibric acid (CA) and diclofenac (DCF) was investigated in an Indian major carp Cirrhinus mrigala. Fingerlings of C. mrigala were exposed to different concentrations (1, 10 and 100µgL(-1)) of CA and DCF for a period of 96h (short term) and 35 days (long term). The toxic effects of CA and DCF on thyroid hormones (THs) such as thyroid stimulating hormone (TSH), thyroxine (T4) and triiodothyronine (T3) levels were evaluated. During the short and long-term exposure period TSH level was found to be decreased at all concentrations of CA (except at the end of 14(th) day in 1 and 10µgL(-l) and 21(st) day in 1µgL(-l)) whereas in DCF exposed fish TSH level was found to be increased when compared to control groups. T4 level was found to be decreased at 1 and 100µgL(-l) of CA exposure at the end of 96h. However, T4 level was decreased at all concentrations of CA and DCF during long-term (35 days) exposure period. Fish exposed to all concentrations of CA and DCF had lower level of T3 in both the treatments. These results suggest that both CA and DCF drugs induced significant changes (P<0.01 and P<0.05) on thyroid hormonal levels of C. mrigala. The alterations of these hormonal levels can be used as potential biomarkers in monitoring of pharmaceutical drugs in aquatic organisms. |
| File Format | HTM / HTML |
| ISSN | 13826689 |
| Issue Number | 3 |
| Volume Number | 38 |
| e-ISSN | 18727077 |
| Journal | Environmental Toxicology and Pharmacology |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2014-11-01 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Environmental Health Discipline Pharmacology Carps Clofibric Acid Toxicity Diclofenac Thyroid Hormones Blood Water Pollutants, Chemical Animals Biological Markers Growth & Development Administration & Dosage Dose-response Relationship, Drug Gene Expression Regulation Drug Effects Time Factors Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Health, Toxicology and Mutagenesis Medicine Toxicology Pharmacology |
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