Enhanced metabolism of morphine in Octodon degus compared to Wistar rats
Author
dc.contributor.author
Letelier Muñoz, María Eugenia
Author
dc.contributor.author
Sánchez, Emilio
Author
dc.contributor.author
Del Villar, Eugenia
Admission date
dc.date.accessioned
2018-12-20T14:08:18Z
Available date
dc.date.available
2018-12-20T14:08:18Z
Publication date
dc.date.issued
1984
Cita de ítem
dc.identifier.citation
Gen. Pharmac. Vol, 15, No, 5, pp. 403-406, 1984
Identifier
dc.identifier.issn
03063623
Identifier
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10.1016/0306-3623(84)90038-7
Identifier
dc.identifier.uri
https://repositorio.uchile.cl/handle/2250/154173
Abstract
dc.description.abstract
1. 1. Comparative studies of the actions of morphine in different mammals have shown that Octodon degus presents an unusual tolerance to this compound. 2. 2. Morphine glucuronidation and N-demethylation in microsomal fractions of Octodon degus were 10.9 and 50.0 nmol of product formed/min/g of wet liver, respectively. In Wistar rat these activities were 10.5 and 12.5, respectively. 3. 3. Microsomal protein and cytochrome P-450 contents were two and four times higher in Octodon degus than in the Wistar rat, respectively. 4. 4. These results may explain the high tolerance to morphine presented by Octodon degus