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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
2
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pubmed:dateCreated |
1992-11-3
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pubmed:abstractText |
Debrisoquine and sparteine are prototype substrates of a genetic deficiency in cytochrome P450-dependent drug metabolism. Sensitive assays of in vitro oxidation of sparteine and debrisoquine are required for evaluation of this polymorphism. The activities were measured by quantitative analysis of 2-dehydrosparteine and 4-hydroxydebrisoquine production, respectively, using capillary column gas chromatography coupled with mass selective ion detection. With a single extraction, separation of parent drug, metabolite, and a suitable internal standard was readily achievable. Time-dependent production of both metabolites could be detected from as little as 40 micrograms of microsomal protein. Both activities showed a maximal activity with a 240-min incubation period. The ability to simultaneously quantify the parent drug and its metabolite suggests it would also be useful for evaluation of in vivo metabolism.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/2-dehydrosparteine,
http://linkedlifedata.com/resource/pubmed/chemical/4-hydroxydebrisoquin,
http://linkedlifedata.com/resource/pubmed/chemical/Cytochrome P-450 Enzyme System,
http://linkedlifedata.com/resource/pubmed/chemical/Debrisoquin,
http://linkedlifedata.com/resource/pubmed/chemical/Sparteine
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pubmed:status |
MEDLINE
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pubmed:month |
Jun
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pubmed:issn |
0003-2697
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
203
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
348-51
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pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:1416032-Animals,
pubmed-meshheading:1416032-Cytochrome P-450 Enzyme System,
pubmed-meshheading:1416032-Debrisoquin,
pubmed-meshheading:1416032-Gas Chromatography-Mass Spectrometry,
pubmed-meshheading:1416032-Male,
pubmed-meshheading:1416032-Microsomes, Liver,
pubmed-meshheading:1416032-Polymorphism, Genetic,
pubmed-meshheading:1416032-Rats,
pubmed-meshheading:1416032-Rats, Sprague-Dawley,
pubmed-meshheading:1416032-Sparteine
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pubmed:year |
1992
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pubmed:articleTitle |
Gas chromatography/mass spectrometry assays for the determination of debrisoquine and sparteine metabolites in microsomal fractions of rat liver.
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pubmed:affiliation |
Department of Pharmacology and Toxicology, University of Utah College of Pharmacy, Salt Lake City 84108.
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pubmed:publicationType |
Journal Article,
In Vitro,
Research Support, U.S. Gov't, P.H.S.
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