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- Title
Accumulation of Tributyltin in Olive Flounder, Paralichthys olivaceus: Its Effect on Hepatic Cytochrome P450.
- Authors
Shim, W. J.; Jeon, J. K.; Hong, S. H.; Kim, N. S.; Yim, U. H.; Oh, J. R.; Shin, Y. B.
- Abstract
Accumulation of tributyltin (TBT) was determined in liver of olive flounder exposed to TBT (3.65, 36.5, 365, 3,650, and 7,300 ng Sn/L) for 10 or 30 days, followed by 60 days depuration. Effect of TBT on hepatic cytochrome P450 content was also measured in liver of olive flounder. TBT was highly accumulated in liver of fish during the 10- to 30-day exposures, and hepatic cytochrome P450 content decreased with increasing TBT concentration. Hepatic cytochrome P450 contents were affected in olive flounder exposed to even environmentally relevant TBT concentrations, such as 3.65 ng Sn/L. In addition, the liver TBT levels demonstrated strong negative correlation to the hepatic cytochrome P450 content. The effects started to appear from 20 ng Sn/g dry weight of TBT in liver. Tributyltin concentrations and hepatic cytochrome P450 were also determined in feral fine-spotted flounder. The relationship between other organic pollutants known as cytochrome P450 inducers (e.g., polychlorinated biphenyls) as well as TBT and hepatic cytochrome P450 in the feral fish implied that TBT even at ppt level could impose antagonistic effects on hepatic cytochrome P450 induction. Correspondence to: W. J. Shim -->
- Subjects
BIOACCUMULATION; TRIBUTYLTIN; ORGANOTIN compounds; FLATFISHES; PARALICHTHYS
- Publication
Archives of Environmental Contamination & Toxicology, 2003, Vol 44, Issue 3, p0390
- ISSN
0090-4341
- Publication type
Article
- DOI
10.1007/s00244-002-2054-x