Clastogenicity of Quinoline Derivatives Tested by Micronucleus Induction in Vivo in the Hepatocytes of Partially Hepatectomized Mice

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The induction of micronucleated liver cells (MN-liver cell) was examined with halogenated and hydroxylated quinolines using partially hepatectomized mice. Among the chloroquinolines, 8-chloroquinoline demonstrated a significantly higher level of induction than the control. All the fluorinated derivatives examined, except for 6-fluoroquinoline, induced significantly higher levels, and there were no appreciable differences in MN-liver cell induction among the fluorinated quinolines, regardless of their mutagenic potencies in the Ames test. Of the hydroxylated quinolines examined, 2- and 4-isomers, which are not mutagenic, induced MN-liver cells to the same extent as a mutagenic isomer, 8-hydroxyquinoline. It seems that clastogenicity was not satisfactorily correlated with mutagenicity in the Ames test as far as this class of compounds is concerned.
公益社団法人日本薬学会の論文
2000-02-01