Journal
FISH PHYSIOLOGY AND BIOCHEMISTRY
Volume 46, Issue 4, Pages 1183-1197Publisher
SPRINGER
DOI: 10.1007/s10695-020-00783-y
Keywords
Hepatocyte culture; Antioxidant defense; Benzo[a]pyrene; Nonylphenol; Liza klunzingeri
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Funding
- Khorramshahr University of Marine Science and Technology (IR) [167] Funding Source: Medline
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The present investigation aimed to use primary liver cell culture obtained from mullet,Liza klunzingeri, to evaluate the toxic effects of benzo[a]pyrene (BaP) and nonylphenol (NP) on the antioxidant defense system. Liver samples taken from 20L. klunzingeriwere digested with 0.1% collagenase IV. The digested cells were then moved to Leibovitz L-15 culture medium and incubated at 25 degrees C for 2 weeks. 10(-5) mol/l of BaP and 10(-4) mol/l of NP were considered as the half maximal inhibitory concentration (IC50). Cells were then incubated with L-15 medium containing BaP (0[control], 10(-6),2 x 10(-6),3 x 10(-6) mol/l) and NP (0[control],10(-5),2 x 10(-5),3 x 10(-5) mol/l), and sampling was performed after 6, 12, and 24 h of incubation for measurement of catalase (CAT), superoxide dismutase (SOD), glutathione peroxidase (GPx), lipid peroxidation (LPO), total antioxidant power, and total protein. The lowest concentration of BaP and NP did not have considerable toxic effects on cultivated hepatocytes. The activities of SOD, CAT, GPx, LPO, total antioxidant power, and total protein changed dose-dependently in cells treated with BaP and NP. In conclusion, based on the results, short-term exposure to BaP and NP induced the oxidative stress in cultivated liver cells ofL. klunzingeri. The toxicity of both pollutants is mainly because of the induction of the reactive oxygen species (ROS), which lead to cell membrane disruption, damage of cellular metabolism, and interference with cellular macromolecules.
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