Abstract:
:Rainbow trout (Onchorynchus mykiss) and Japanese medaka (Oryzias latipes) were exposed to the hypolipidemic drug gemfibrozil, a known rodent peroxisome proliferator. Trout were injected (i.p.) daily for 2 weeks at doses of 0, 46, 87, or 152 mg/kg/day. Medaka were exposed to the nominal concentrations of 0, 1.25, 2.5, or 5 ppm in water for 2 weeks in a static-renewal system. Peroxisome proliferation was assessed by measuring fatty acyl-CoA oxidase (FAO) activity, peroxisomal bifunctional enzyme (PBE) quantity, and changes in liver-to-body weight ratios (LWR). Results indicate that a mild peroxisome proliferative response was observed in rainbow trout (significant increases in FAO activity at all dose levels and in LWR at the highest dose level). Medaka demonstrated a significant increase in PBE at the highest dose level, while nonsignificant increases in FAO activity were observed at the mid- and high-dose levels.
journal_name
Ecotoxicol Environ Safjournal_title
Ecotoxicology and environmental safetyauthors
Scarano LJ,Calabrese EJ,Kostecki PT,Baldwin LA,Leonard DAdoi
10.1016/0147-6513(94)90026-4subject
Has Abstractpub_date
1994-10-01 00:00:00pages
13-9issue
1eissn
0147-6513issn
1090-2414pii
0147-6513(94)90026-4journal_volume
29pub_type
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