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Research Article

Nonylphenol Causes Decrease in Antioxidant Enzyme Activities, Increase in O2 Content, and Alteration in Ultrastructures of FG Cells, a Flounder (Paralichthys olivaceus) Gill Cell Line

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Pages 127-134 | Received 01 May 2006, Accepted 12 Jun 2006, Published online: 09 Oct 2008
 

ABSTRACT

The findings in this study were that the exposure of FG cells to nonylphenol (NP) caused decreases in the cell growth rate, antioxidant enzyme activities, and ATP content; an increase in intracellular O2 content; and alteration of the organelles such as mitochondria and the RER. It is proposed that the reduction in antioxidant enzyme activities leads to accumulation of O2 content, which in turn results in the damage of mitochondrial infrastructures and a decline in energy production, which then causes the ultrastructural alterations in the cells. In addition, we show that FG cells are a good candidate system for evaluation of NP acute toxicities.

Abbreviations
BCS=

bovine calf serum

CAT=

catalase

GA=

Golgi apparatus

GPX=

glutathione peroxidase

L=

lysozyme

M=

mitochondrion

N=

nucleus

NBT=

nitroblue tetrazolium

NP=

nonylphenol

Nu=

nucleus

O2=

superoxide anion

PBS=

phosphate-buffered saline

RER=

rough endoplasmic reticulum

ROS=

reactive oxygen species

SOD=

superoxide dismutase.

Abbreviations
BCS=

bovine calf serum

CAT=

catalase

GA=

Golgi apparatus

GPX=

glutathione peroxidase

L=

lysozyme

M=

mitochondrion

N=

nucleus

NBT=

nitroblue tetrazolium

NP=

nonylphenol

Nu=

nucleus

O2=

superoxide anion

PBS=

phosphate-buffered saline

RER=

rough endoplasmic reticulum

ROS=

reactive oxygen species

SOD=

superoxide dismutase.

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