Source:http://linkedlifedata.com/resource/pubmed/id/15801542
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
11-12
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pubmed:dateCreated |
2005-4-1
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pubmed:abstractText |
The purpose of this paper was to characterize cytochrome P450 (CYP) enzymes involved in N-dealkylation of a new oral erectogenic, DA-8159 to DA-8164, a major circulating active metabolite, in human liver microsomes and to investigate the inhibitory potential of DA-8159 on CYP enzymes. CYP3A4 was identified as the major enzyme responsible for DA-8159 N-dealkylation to DA-8164 based on correlation analysis and specific CYP inhibitor and antibody-mediated inhibition study in human liver microsomes, and DA-8159 metabolism in cDNA expressed CYP enzymes. There is the possibility of drug-drug interactions when prescribing DA-8159 concomitantly with known inhibitors or inducers of CYP3A4. DA-8159 was found to be only a very weak inhibitor of eight major CYPs (1A2, 2A6, 2C8, 2C9, 2C19, 2D6, 2E1 and 3A4), the largest inhibition occurring against CYP2D6 (IC5o 67.7 microM) in human liver microsomes. Drug-drug interactions would not be predicted on the basis of DA-8159 inhibiting the metabolism of coadministered drugs.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/CYP3A protein, human,
http://linkedlifedata.com/resource/pubmed/chemical/CYP3A4 protein, human,
http://linkedlifedata.com/resource/pubmed/chemical/Cytochrome P-450 CYP3A,
http://linkedlifedata.com/resource/pubmed/chemical/Cytochrome P-450 Enzyme System,
http://linkedlifedata.com/resource/pubmed/chemical/Enzyme Inhibitors,
http://linkedlifedata.com/resource/pubmed/chemical/Pyrimidines,
http://linkedlifedata.com/resource/pubmed/chemical/Sulfonamides,
http://linkedlifedata.com/resource/pubmed/chemical/udenafil
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pubmed:status |
MEDLINE
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pubmed:issn |
0049-8254
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
34
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
973-82
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pubmed:dateRevised |
2010-11-18
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pubmed:meshHeading |
pubmed-meshheading:15801542-Cells, Cultured,
pubmed-meshheading:15801542-Cytochrome P-450 CYP3A,
pubmed-meshheading:15801542-Cytochrome P-450 Enzyme System,
pubmed-meshheading:15801542-Enzyme Activation,
pubmed-meshheading:15801542-Enzyme Inhibitors,
pubmed-meshheading:15801542-Erectile Dysfunction,
pubmed-meshheading:15801542-Humans,
pubmed-meshheading:15801542-Kinetics,
pubmed-meshheading:15801542-Male,
pubmed-meshheading:15801542-Microsomes, Liver,
pubmed-meshheading:15801542-Protein Interaction Mapping,
pubmed-meshheading:15801542-Pyrimidines,
pubmed-meshheading:15801542-Sulfonamides
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pubmed:articleTitle |
Role of human cytochrome P450 3A4 in the metabolism of DA-8159, a new erectogenic.
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pubmed:affiliation |
Drug Metabolism and Bioanalysis Laboratory, College of Pharmacy and Phytofermentation Research Center, Wonkwang University, Iksan 570-749, Korea.
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pubmed:publicationType |
Journal Article,
Comparative Study,
Research Support, Non-U.S. Gov't
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