Assessment of water pollution in the Tronto River (Italy) by applying useful biomarkers in the fish model Carassius auratus

Archives of Environmental Contamination and Toxicology
Francesco Alessandro PalermoAlberta Polzonetti-Magni

Abstract

The Tronto River (southern Marche region of central Italy) is located in an area with neighboring industrial activities and is contaminated with domestic and industrial wastewater. Water quality data analyses revealed the presence of a mixture of low levels of heavy metals and organic compounds. The effects of long-term exposure to Tronto River water on juvenile Carassius auratus were evaluated with an integrated approach using xenoestrogens biomarkers, such as vitellogenin (VTG) and ER beta-1 mRNA expression, and stress parameters (i.e., cortisol and glucose in the blood and glycogen in the liver). Treatment with Tronto River water did not induce VTG synthesis in fish and did not affect ER beta-1 mRNA expression. Moreover, cortisol titers found in the plasma of fish exposed to Tronto River water were lower than those found in the control group. Regarding energy parameters, treatment with Tronto River water induced an increase in plasma glucose and a depletion of liver glycogen reserves.The effects of Tronto River water were studied in parallel with those of 4-NP and CdCl(2). The 4-NP at the dose of 22 microg/L induced the synthesis of peripheral vitellogenin and increase of ER beta-1 titers; on the contrary, CdCl2 exposure at ...Continue Reading

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Citations

Sep 10, 2014·European Journal of Pharmaceutics and Biopharmaceutics : Official Journal of Arbeitsgemeinschaft Für Pharmazeutische Verfahrenstechnik E.V·Marco CespiGilberto Mosconi
May 9, 2016·Journal of Environmental Sciences (China)·Paolo CocciGilberto Mosconi
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Aug 25, 2012·Comparative Biochemistry and Physiology. Toxicology & Pharmacology : CBP·Francesco Alessandro PalermoGilberto Mosconi
Apr 4, 2017·Biomarkers : Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals·Paolo CocciFrancesco Alessandro Palermo

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