acetaminiphen

The fate of acetaminophen after intravenous injection in whole bowel-irrigated rats (n = 40) and the influence of activated charcoal on the kinetics were investigated. After randomization to four groups (n = 10, each group), plasma concentration and the quantities of acetaminophen and metabolites excreted into bile, urine and intestine were determined using an in vivo model with or without orally administered activated charcoal and with or without bile duct cannulation. The cumulative amount of acetaminiphen and metabolites exsorbed into the small intestine within 3...

The Ah locus in the mouse controls the induction of cytochrome P1-450 and at least eleven associated monooxygenase activities. These enzyme systems metabolically potentiate and detoxify drugs, environmental pollutants, and other foreign chemicals, as well as numerous endogenous substrates. For certain substrates, it is known that cytochrome P1-450 produces different reactive intermediates and products that other forms of P-450. Alleles at the Ah locus can be identified in utero. Development toxicity (in the form of stillborns, resorptions, and malformations of the fetus) by 3-methylcholanthrene and 7,12-dimethylbenz[a]anthracene given to the pregnant mother is associated with genetically mediated aromatic hydrocarbon responsiveness in C5BL/6N mice, compared with that in nonresponsive AKR/N mice...