Ethylmorphine

Publication Title: 
Research Communications in Chemical Pathology and Pharmacology

Pretreatment of male rats with phenobarbital markedly depressed the duration of pentobarbital hypnosis and stimulated the hepatic microsomal metabolism of ethylmorphine and aniline. Following selenium treatment there was a prolongation of pentobarbital hypnosis and an inhibition of metabolism of ethylmorphine with no effect on that of aniline. When phenobarbital and selenium were administered simultaneously, the opposing effects on the duration of pentobarbital hypnosis cancelled each other.

Author(s): 
Schnell, R. C.
Early, J. L.
Publication Title: 
Fundamental and Applied Toxicology: Official Journal of the Society of Toxicology

Experiments were conducted to examine the effect of manganese on the hepatic mixed function oxidase system in the rat. Acute treatment with manganese chloride (1-10 mg Mn/kg, ip) produced a significant prolongation of hexobarbital hypnosis in male rats on Days 2 and 3 following metal administration. The threshold dose of manganese to produce this alteration in response was 5 mg Mn/kg and the altered response returned to control values by Day 5.

Author(s): 
Deimling, M. J.
Schnell, R. C.
Publication Title: 
Journal of Pharmacobio-Dynamics

Following in vivo treatment with carrageenan, sex-related differences in alteration of hepatic drug metabolism were found in the rat. In adult male rats, marked decreases were observed in hepatic 9000 x g supernatant cytochrome P-450 content and in the biotransformation of hexobarbital, aminopyrine, ethylmorphine, and meperidine. Hexobarbital hypnosis was significantly prolonged by carrageenan treatment in intact and testectomized animals as compared to their respective controls.

Author(s): 
Ishikawa, M.
Sasaki, K.
Ozaki, M.
Takayanagi, Y.
Sasaki, K.
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