NDLI: Impact of acute Cd$^{2+}$ exposure on the antioxidant defence systems in the skin and red blood cells of common carp (Cyprinus carpio)

Content Provider	SpringerLink
Author	Ferencz, Ágnes Hermesz, Edit
Copyright Year	2014
Abstract	Cd$^{2+}$-induced oxidative stress and its effects on the expression of stress biomarkers and on macromolecule damage in the skin and blood of common carp were studied. Both tissues play important roles in the defence mechanisms against external hazards, serving as an anatomical barrier and as connecting tissue between the organs. In the skin, the production of peroxynitrite anion and hydrogen peroxide was almost doubled after exposure to 10 mg/L Cd$^{2+}$. The accumulation of these oxidant molecules suggests an intensive production of superoxide anion and nitrogen monoxide and the development of oxidative and/or nitrosative stress. Although the metallothioneins and the components of the glutathione redox system were activated in the skin, the accumulation of reactive intermediates led to the enhanced damage of lipid molecules after 24 h of metal exposure. In the blood, the basal levels of metallothionein messenger RNAs (mRNAs) were 2–2.5-fold of that measured in the skin. This high level of metallothionein expression could be the reason that the blood was less affected by an acute Cd$^{2+}$ challenge and the metallothionein and glutathione systems were not activated.
Starting Page	6912
Ending Page	6919
Page Count	8
File Format	PDF
ISSN	09441344
Journal	Environmental Science and Pollution Research
Volume Number	22
Issue Number	9
e-ISSN	16147499
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-12-05
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	Antioxidant Cadmium Erythrocyte Nitrosative stress Peroxynitrite Skin Environment Environmental Chemistry Ecotoxicology Environmental Health Atmospheric Protection/Air Quality Control/Air Pollution Waste Water Technology Water Pollution Control Water Management Aquatic Pollution
Content Type	Text
Resource Type	Article
Subject	Pollution Environmental Chemistry Health, Toxicology and Mutagenesis Medicine

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