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Effects of subchronic exposure to Spartakus (prochloraz) on common carp Cyprinus carpio
I. Haluzova, H. Modra, J. Blahova, P. Marsalek, Z. Siroka, L. Groch, Z. Svobodova
Jazyk angličtina Země Švédsko
Typ dokumentu časopisecké články, práce podpořená grantem
Odkazy
PubMed
21187831
Knihovny.cz E-zdroje
- MeSH
- ceruloplasmin metabolismus MeSH
- cytochrom P-450 CYP1A1 metabolismus MeSH
- fungicidy průmyslové farmakologie MeSH
- glutathion metabolismus MeSH
- glutathiontransferasa metabolismus MeSH
- imidazoly farmakologie MeSH
- játra účinky léků metabolismus MeSH
- kapři metabolismus MeSH
- modely u zvířat MeSH
- pankreas účinky léků metabolismus MeSH
- systém (enzymů) cytochromů P-450 metabolismus MeSH
- vztah mezi dávkou a účinkem léčiva MeSH
- žábry účinky léků metabolismus MeSH
- zvířata MeSH
- Check Tag
- zvířata MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
OBJECTIVES: The aim of the study was to investigate effects of the fungicide formulation Spartakus (prochloraz 450 g.L-1) on common carp Cyprinus carpio through biometric, biochemical, haematological and antioxidant indices, induction of xenobiotic metabolizing enzymes and histological examination of selected tissues. DESIGN: The test was performed on juvenile fish, which was exposed to Spartakus (concentrations of prochloraz: 0.05; 0.15 and 0.38 mg.L-1) for 28 days. Haematological indices were assessed using unified methods of haematological examination in fish. Plasma biochemical indices were determined by biochemical analyzer. Concentration of total cytochrome P450 (CYP), glutathione (GSH) content and glutathione-S-transferase (GST) activity were determined spectrophotometrically in hepatopancreas. Activity of liver ethoxyresorufin-O-deethylase (EROD) activity was measured spectrofluorimetrically. Ferric reducing ability of plasma (FRAP) and ceruloplasmin activity were assessed spectrophotometrically. Histological changes in samples of hepatopancreas, skin, gills, spleen, head kidney and caudal kidney were examined by light microscopy. RESULTS: There was a significant rise in hepatosomatic index (HSI) (p<0.01), CYP and EROD (p<0.05) of fish exposed to prochloraz of 0.15 and 0.38 mg.L-1 whereas GST was induced by all concentrations tested and GSH by 0.38 mg.L-1 (p<0.05). Red blood cell count decreased significantly (p<0.05) in prochloraz of 0.05 and 0.15 mg.L-1. Plasma potassium increased (p<0.01) in all Spartakus treated groups, a decline in total protein (p<0.05), ALT, Na+ and Ca (p<0.01) was found in fish exposed to prochloraz of 0.38 mg.L-1. Ceruloplasmin activity was elevated (p<0.05) in the highest concentration tested, FRAP declined (p<0.05) in the same group. Histopathological changes in gills were demonstrated in all pesticide treated groups, with a decreased activity of skin mucous cells in prochloraz of 0.38 mg.L-1. CONCLUSION: The subchronic exposure to Spartakus influenced HSI, induced xenobitic metabolizing enzymes, initiated a disorder of selected plasma indices and a decline in red blood cell count, caused minor histological impairment, and affected antioxidant activities of the test fish.
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- $a Groch, Ladislav, $7 mzk2005294774 $u Department of Veterinary Public Health and Toxicology, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences Brno, Czech Republic. ihaluzova@vfu.cz $d 1928-2016
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- $a Effects of subchronic exposure to Spartakus (prochloraz) on common carp Cyprinus carpio / $c I. Haluzova, H. Modra, J. Blahova, P. Marsalek, Z. Siroka, L. Groch, Z. Svobodova
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- $a OBJECTIVES: The aim of the study was to investigate effects of the fungicide formulation Spartakus (prochloraz 450 g.L-1) on common carp Cyprinus carpio through biometric, biochemical, haematological and antioxidant indices, induction of xenobiotic metabolizing enzymes and histological examination of selected tissues. DESIGN: The test was performed on juvenile fish, which was exposed to Spartakus (concentrations of prochloraz: 0.05; 0.15 and 0.38 mg.L-1) for 28 days. Haematological indices were assessed using unified methods of haematological examination in fish. Plasma biochemical indices were determined by biochemical analyzer. Concentration of total cytochrome P450 (CYP), glutathione (GSH) content and glutathione-S-transferase (GST) activity were determined spectrophotometrically in hepatopancreas. Activity of liver ethoxyresorufin-O-deethylase (EROD) activity was measured spectrofluorimetrically. Ferric reducing ability of plasma (FRAP) and ceruloplasmin activity were assessed spectrophotometrically. Histological changes in samples of hepatopancreas, skin, gills, spleen, head kidney and caudal kidney were examined by light microscopy. RESULTS: There was a significant rise in hepatosomatic index (HSI) (p<0.01), CYP and EROD (p<0.05) of fish exposed to prochloraz of 0.15 and 0.38 mg.L-1 whereas GST was induced by all concentrations tested and GSH by 0.38 mg.L-1 (p<0.05). Red blood cell count decreased significantly (p<0.05) in prochloraz of 0.05 and 0.15 mg.L-1. Plasma potassium increased (p<0.01) in all Spartakus treated groups, a decline in total protein (p<0.05), ALT, Na+ and Ca (p<0.01) was found in fish exposed to prochloraz of 0.38 mg.L-1. Ceruloplasmin activity was elevated (p<0.05) in the highest concentration tested, FRAP declined (p<0.05) in the same group. Histopathological changes in gills were demonstrated in all pesticide treated groups, with a decreased activity of skin mucous cells in prochloraz of 0.38 mg.L-1. CONCLUSION: The subchronic exposure to Spartakus influenced HSI, induced xenobitic metabolizing enzymes, initiated a disorder of selected plasma indices and a decline in red blood cell count, caused minor histological impairment, and affected antioxidant activities of the test fish.
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