NDLI: Gene expression profiling in zebrafish embryos exposed to diclofenac, an environmental toxicant

Content Provider	Springer Nature Link
Author	Felice, Bruna Copia, Luisa Guida, Marco
Copyright Year	2011
Abstract	Pharmaceuticals are continually released in the environment and therefore pollution from drugs is a pressing problem in the environment. Diclofenac, 2-[(2,6-dichlorophenyl)amino]phenylacetic acid is a FDA approved non-steroidal anti-inflammatory drug (NSAID) for the treatment of inflammation. This pharmaceutical has been found as pollutant in superficial waters. Danio rerio (zebrafish) embryo has been used as a model organism for acute pollutant toxicity tests in order to identify morphological alterations in development and death rate. Through the combination of mRNA differential display and quantitative Real Time experiments, we analyzed the alterations of gene expression in zebrafish embryos left to develop in the presence of diclofenac and thereby assess the molecular mechanism involved in ecotoxicity of diclofenac polluted waters. This approach, in embryos exposed to 1.25 mg/l drug for 48 h, allowed identifying 36 different genes, with both known and unknown functions, whose transcription is differentially regulated. The identity and ontological classification of these genes is presented. The wide variety of functional classes of transcripts isolated in this screen reflects the diverse spectrum of influences operating across diclofenac exposure. Of these 36 genes, several have been selected for detailed quantitative Real Time analysis to validate the screen. Our results, for the first time, provide an insight into some of the varied and novel molecular networks following zebrafish exposure to diclofenac polluted waters.
Starting Page	2119
Ending Page	2128
Page Count	10
File Format	PDF
ISSN	03014851
Journal	Molecular Biology Reports
Volume Number	39
Issue Number	3
e-ISSN	15734978
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-06-05
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Gene expression Zebrafish Diclofenac Pollution Animal Biochemistry Animal Anatomy / Morphology / Histology
Content Type	Text
Resource Type	Article
Subject	Genetics Medicine Molecular Biology

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