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2011 | 14 | 4 |

Tytuł artykułu

Assessment of diclofenac LC50 reference values in juvenile and embryonic stages of the zebrafish (Danio rerio)

Treść / Zawartość

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
The aim of the study was to compare the acute toxicity of diclofenac to juvenile and embryonic stages of the zebrafish (Danio rerio). Acute toxicity tests were performed on the aquarium fish Danio rerio, which is one of the model organisms most commonly used in toxicity testing. The tests were performed using a semi-static method according to OECD guideline No. 203 (Fish, acute toxicity test). Embryo toxicity tests were performed in zebrafish embryos (Danio rerio) in compliance with OECD No. 212 methodology (Fish, short-term toxicity test on embryo and sac-fry stages). The results were subjected to a probit analysis using the EKO-TOX 5.2 programme to determine 96hLC50 and 144hLC50 (median lethal concentration, 50% mortality after a 96 h or 144 h interval, respectively) values of diclofenac. The statistical significance of the difference between LC50 values in juvenile and embryonic stages of Danio rerio was tested using the Mann-Whitney non-parametric test implemented in the Unistat 5.1 programme. The LC50 mean value of diclofenac was 166.6 ± 9.8 mg/L in juvenile Danio rerio, and 6.11 ± 2.48 mg/L in embryonic stages of Danio rerio. The study demonstrated a statistically higher sensitivity to diclofenac (P<0.05) in embryonic stages compared to the juvenile fish.

Słowa kluczowe

Wydawca

-

Rocznik

Tom

14

Numer

4

Opis fizyczny

p.545-549,ref.

Twórcy

autor
  • Department of Veterinary Public Health and Toxicology, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences Brno, palackeho 1-3, 612 42 Brno, Czech Republic
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Bibliografia

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  • Buser HR, Poiger T, Müller MD (1998) Occurrence and fate of the pharmaceutical drug diclofenac in surface waters: rapid photodegradation in a lake. Environ Sci Technol 32: 3449-3456.
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  • Ferrari B, Paxeus N, Lo Giudice R, Pollio A, Garric J (2003) Ecotoxicological impact of pharmaceuticals found in treated wastewaters: study of carbamazepine, clofibric acid, and diclofenac. Ecotoxicol Environ Saf 55: 359-370.
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  • Hallare AV, Köhler HR, Triebskorn R (2004) Developmental toxicity and stress protein responses in zebrafish embryos after exposure to diclofenac and its solvent, DMSO. Chemosphere 56: 659-666.
  • Halling-Sørensen B, Nors Nielsen S, Lanzky PF, Ingerslev F, Holten Lützhøft HC, Jørgensen SE (1998) Occurrence, fate, and effects of pharmaceutical substances in the environment-a review. Chemosphere 36: 357-393.
  • Chan LY, Chiu PY, Siu SS, Lau TK (2001) A study of diclofenac-induced teratogenicity during organogenesis using a whole rat embryo culture model. Hum Reprod 16: 2390-2393.
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  • Kristensen P (1994) Sensitivity of embryos and larvae in relation to other stages in the life cycle of fish: a literature review. In: Müller R, Lloyd R (eds) Sublethal and chronic effects of pollutants on freshwater fish, United nation organization: Fishing news books, pp 339-352.
  • Luckenbach T, Kilian M, Triebskorn R, Oberemm A (2001) Fish early life stage tests as a tool to assess embryotoxic potentials in small streams. J Aquat Ecosyst Stress Recov 8: 355-370.
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  • Ottmar KJ, Colosi LM, Smith JA (2010) Development and application of a model to estimate wastewater treatment plant prescription pharmaceutical influent loadings and concentrations. Bull Environ Contam Toxicol 84: 507-512.
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Typ dokumentu

Bibliografia

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