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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
2
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pubmed:dateCreated |
1983-3-17
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pubmed:abstractText |
Hepatic microsomal cytochrome P-450 was elevated in 17-day chick embryos by combined administration of the porphyrinogenic drugs 2-allyl-2-isopropylacetamide and 3,5-diethoxycarbonyl-1,4-dihydrocollidine. Increased apoprotein levels were the result of de novo protein synthesis; in vitro obtained translation data suggested that cytochrome P-450 mRNA levels were elevated. A 1000-base cDNA sequence for the drug-induced cytochrome P-450 mRNA was isolated from a chick embryo cDNA 'library' and this was used as a specific probe to investigate drug-mediated induction of cytochrome P-450 mRNA. RNA-DNA 'dot' hybridisation studies demonstrated that drug treatment led to a 3-5-fold increase in the level of this mRNA and that the mRNA was predominantly associated with membrane-bound polyribosomes. Treatment of embryos with the drugs individually demonstrated that both of them induced synthesis of the same mRNA. These studies show directly that treatment of chick embryos with 2-allyl-2-isopropylacetamide or 3,5-diethoxycarbonyl-1,4-dihydrocollidine caused increased levels of cytochrome P-450 mRNA and suggest that this involved increased transcription of the gene.
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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/Acetamides,
http://linkedlifedata.com/resource/pubmed/chemical/Allylisopropylacetamide,
http://linkedlifedata.com/resource/pubmed/chemical/Cytochrome P-450 Enzyme System,
http://linkedlifedata.com/resource/pubmed/chemical/DNA,
http://linkedlifedata.com/resource/pubmed/chemical/Dicarbethoxydihydrocollidine,
http://linkedlifedata.com/resource/pubmed/chemical/Pyridines,
http://linkedlifedata.com/resource/pubmed/chemical/RNA, Messenger
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pubmed:status |
MEDLINE
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pubmed:month |
Dec
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pubmed:issn |
0014-2956
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
15
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pubmed:volume |
129
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
325-33
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pubmed:dateRevised |
2007-7-23
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pubmed:meshHeading |
pubmed-meshheading:6897536-Acetamides,
pubmed-meshheading:6897536-Allylisopropylacetamide,
pubmed-meshheading:6897536-Animals,
pubmed-meshheading:6897536-Chick Embryo,
pubmed-meshheading:6897536-Cloning, Molecular,
pubmed-meshheading:6897536-Cytochrome P-450 Enzyme System,
pubmed-meshheading:6897536-DNA,
pubmed-meshheading:6897536-Dicarbethoxydihydrocollidine,
pubmed-meshheading:6897536-Genes,
pubmed-meshheading:6897536-Microsomes, Liver,
pubmed-meshheading:6897536-Nucleic Acid Hybridization,
pubmed-meshheading:6897536-Porphyrias,
pubmed-meshheading:6897536-Protein Biosynthesis,
pubmed-meshheading:6897536-Pyridines,
pubmed-meshheading:6897536-RNA, Messenger
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pubmed:year |
1982
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pubmed:articleTitle |
cDNA cloning and analysis of chick-embryo-liver cytochrome P-450 mRNA induced by porphyrinogenic drugs.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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