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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
3
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pubmed:dateCreated |
1981-9-15
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pubmed:abstractText |
Female Fischer 344 rats are less susceptible to the hepatocarcinogenic effects of 2,4-dinitrotoluene (2,4-DNT) than males. This study is a comparison of the metabolism and excretion of 2,4-DNT in male and female rats after oral doses of 10, 35, or 100 mg of 14C-2,4-DNT per kg. The major route of elimination of 14C after all doses was the urine. 4-(N-Acetyl)amino-2-nitrobenzoic acid (4Ac2NBAcid), 2,4-dinitrobenzoic acid (2,4-DNMBAcid), 2-amino-4-nitrobenzoic acid (2A4NBAcid), and 2,4-dinitrobenzyl alcohol glucuronide (2,4-DNBAlcG) were identified in urine of rats. These four compounds accounted for greater than 85% of the radioactivity excreted in urine. Female rats excreted a significantly greater percentage of the dose in the urine as 2,4-DNBAlcG at doses of 10 or 35 mg/kg when compared to males. Both sexes showed dose-dependent changes in urinary excretion of 2,4-DNT metabolites. Males excreted a smaller percentage of the dose as 2,4-DNBAcid at 100 mg/kg than at 10 or 35 mg/kg. Females excreted less of the dose as 2,4-DNBAcid and 2,4-DNBAlcG at 100 mg/kg than at 10 or 35 mg/kg. The only sex difference in 2,4-DNT metabolism or excretion of sufficient magnitude to account for the sex difference in susceptibility to the hepatocarcinogenic effects of 2,4-DNT was the greater percentage of 2,4-DNT excreted as 2,4-DNBAlcG by female rats at 10 or 35 mg/kg.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:issn |
0090-9556
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
9
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
226-32
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:6113931-Animals,
pubmed-meshheading:6113931-Biotransformation,
pubmed-meshheading:6113931-Dinitrobenzenes,
pubmed-meshheading:6113931-Dose-Response Relationship, Drug,
pubmed-meshheading:6113931-Female,
pubmed-meshheading:6113931-Liver Neoplasms, Experimental,
pubmed-meshheading:6113931-Male,
pubmed-meshheading:6113931-Nitrobenzenes,
pubmed-meshheading:6113931-Rats,
pubmed-meshheading:6113931-Rats, Inbred F344,
pubmed-meshheading:6113931-Sex Factors
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pubmed:articleTitle |
Metabolism and excretion of 2,4-dinitrotoluene in male and female Fischer 344 rats after different doses.
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pubmed:publicationType |
Journal Article,
Comparative Study
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