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Species differences in the hepatotoxicity of coumarin: A comparison of rat and Mongolian gerbil

Identifieur interne : 000A88 ( Istex/Corpus ); précédent : 000A87; suivant : 000A89

Species differences in the hepatotoxicity of coumarin: A comparison of rat and Mongolian gerbil

Auteurs : Julia H. Fentem ; Jeffrey R. Fry ; Norman W. Thomas

Source :

RBID : ISTEX:1771BC0BD3736467873EDCFDBC49373C274823F4

Abstract

The acute hepatic effects of coumarin (2H-1-benzopyran-2-one) in male Wistar rats and Mongolian gerbils has been compared. A single dose of coumarin (125 mg/kg, intraperitoneally (i.p.)) was hepatotoxic to rats within 24 h as assessed by its effects on a variety of hepatic parameters. Coumarin-induced hepatotoxicity was associated with significant increases in relative liver weight, plasma alanine and aspartate aminotransferase activities and hepatic non-protein sulphydryl groups. Cytochrome P-450 content and 7-ethoxycoumarin O-deethylase and glucose 6-phosphatase activities were significantly lower in coumarin-treated compared with control rats. Centrilobular necrosis was only observed in two out of six rats at this dose, but was present in all four coumarin-treated rats when the dose was increased to 150 mg/kg. In contrast to the effects observed in the rat, no evidence was found for coumarin-induced hepatotoxicity in gerbils following a single i.p. dose of 125 mg/kg. These data indicate that the gerbil is less sensitive to the hepatotoxic effects of coumarin than the rat.

Url:
DOI: 10.1016/0300-483X(92)90059-N

Links to Exploration step

ISTEX:1771BC0BD3736467873EDCFDBC49373C274823F4

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<dateIssued encoding="w3cdtf">1992</dateIssued>
<copyrightDate encoding="w3cdtf">1992</copyrightDate>
</originInfo>
<language>
<languageTerm type="code" authority="iso639-2b">eng</languageTerm>
<languageTerm type="code" authority="rfc3066">en</languageTerm>
</language>
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<abstract lang="en">The acute hepatic effects of coumarin (2H-1-benzopyran-2-one) in male Wistar rats and Mongolian gerbils has been compared. A single dose of coumarin (125 mg/kg, intraperitoneally (i.p.)) was hepatotoxic to rats within 24 h as assessed by its effects on a variety of hepatic parameters. Coumarin-induced hepatotoxicity was associated with significant increases in relative liver weight, plasma alanine and aspartate aminotransferase activities and hepatic non-protein sulphydryl groups. Cytochrome P-450 content and 7-ethoxycoumarin O-deethylase and glucose 6-phosphatase activities were significantly lower in coumarin-treated compared with control rats. Centrilobular necrosis was only observed in two out of six rats at this dose, but was present in all four coumarin-treated rats when the dose was increased to 150 mg/kg. In contrast to the effects observed in the rat, no evidence was found for coumarin-induced hepatotoxicity in gerbils following a single i.p. dose of 125 mg/kg. These data indicate that the gerbil is less sensitive to the hepatotoxic effects of coumarin than the rat.</abstract>
<note type="content">Section title: Short communication</note>
<subject>
<genre>Keywords</genre>
<topic>Coumarin</topic>
<topic>Gerbil</topic>
<topic>Hepatotoxicity</topic>
<topic>Rat</topic>
</subject>
<relatedItem type="host">
<titleInfo>
<title>Toxicology</title>
</titleInfo>
<titleInfo type="abbreviated">
<title>TOX</title>
</titleInfo>
<genre type="journal">journal</genre>
<originInfo>
<dateIssued encoding="w3cdtf">1992</dateIssued>
</originInfo>
<identifier type="ISSN">0300-483X</identifier>
<identifier type="PII">S0300-483X(00)X0193-X</identifier>
<part>
<date>1992</date>
<detail type="volume">
<number>71</number>
<caption>vol.</caption>
</detail>
<detail type="issue">
<number>1–2</number>
<caption>no.</caption>
</detail>
<extent unit="issue pages">
<start>1</start>
<end>192</end>
</extent>
<extent unit="pages">
<start>129</start>
<end>136</end>
</extent>
</part>
</relatedItem>
<identifier type="istex">1771BC0BD3736467873EDCFDBC49373C274823F4</identifier>
<identifier type="DOI">10.1016/0300-483X(92)90059-N</identifier>
<identifier type="PII">0300-483X(92)90059-N</identifier>
<recordInfo>
<recordContentSource>ELSEVIER</recordContentSource>
</recordInfo>
</mods>
</metadata>
</istex>
</record>

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