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4-Aminoquinolines: novel nociceptin antagonists with analgesic activity.
TLDR
Results indicate that this nociceptin antagonist has the potential to become a novel type of analgesic that differs from mu-opioid agonists. Expand
Hepatic UDP-glucuronyltransferase(s) activity toward thyroid hormones in rats: induction and effects on serum thyroid hormone levels following treatment with various enzyme inducers.
TLDR
Investigation of induction of hepatic UDP-glucuronyltransferase activity toward thyroid hormones in male Sprague-Dawley rats found no direct correlation between decrease in thyroid hormone levels and compensatory increase in TSH levels, indicating that serum T4 levels are directly affected by hUDP-GT-T4 activity. Expand
Participation of cytochrome P450-2B and -2D isozymes in the demethylenation of methylenedioxymethamphetamine enantiomers by rats.
TLDR
The results indicate that cytochrome P450 isozymes belonging to the CYP2D subfamily catalyze demethylenation with low Km values and that the reaction occurring with high Kmvalues is likely to be mediated by members of the CyP2B family, but with the possible participation of other phenobarbital-inducible isoforms. Expand
Organotin compounds and polychlorinated biphenyls of livers in squid collected from coastal waters and open oceans.
The current status of global marine pollution by TBT (tributyltin), TPT (triphenyltin) and polychlorinated biphenyls (PCBs) was examined by determining their concentrations in squid livers. TBT andExpand
Interaction between cytochrome P450 and other drug-metabolizing enzymes: evidence for an association of CYP1A1 with microsomal epoxide hydrolase and UDP-glucuronosyltransferase.
TLDR
It is suggested that CYP1A1 interacts with mEH and UGT to facilitate a series of multistep drug metabolic conversions. Expand
Purification and characterization of a newly identified isoform of cytochrome P450 responsible for 3-hydroxylation of 2,5,2',5'-tetrachlorobiphenyl in hamster liver.
TLDR
The results suggest that P450HPB-1 belongs in the P450 2B subfamily and apparently plays a major role in the 3-hydroxylation of 2,5,2',5'-TCB, in hamster liver. Expand
Changes in the hepatic glutathione peroxidase redox system produced by coplanar polychlorinated biphenyls in Ah-responsive and -less-responsive strains of mice: mechanism and implications for
TLDR
The results suggest that the PCB-induced reduction in Se-dependent GPx activity is mediated by a mechanism involving the Ah receptor; and a concomitant increase in the class θ GST partially rescues the Ah-responsive mice from coplanar PCB- induced oxidative stress. Expand
Characteristic glucuronidation pattern of physiologic concentration of morphine in rat brain.
TLDR
The capacity of the brain for glucuronide formation was far less than that of the liver, but UDP-glucuronosyltransferase in brain was much more selective in forming M-6-G and Cod-G than liver enzymes. Expand
Metabolism in vivo of the tropane alkaloid, scopolamine, in several mammalian species.
TLDR
Results indicate that scopolamine metabolism is highly species-specific and excreted as the free forms in rats, mice, guinea pigs and rabbits. Expand
Species-specific alteration of hepatic glucose 6-phosphate dehydrogenase activity with coplanar polychlorinated biphenyl: evidence for an Ah-receptor-linked mechanism.
TLDR
The results suggest that the induction of hepatic G6PDH by coplanar PCB is mediated by a mechanism involving the Ah receptor, and the response was highly species-specific. Expand
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