COMPARATIVE MUTAGENICITY OF 2-METHYLPROPENE (ISOBUTENE), ITS EPOXIDE 2-METHYL-1,2-EPOXYPROPANE AND PROPYLENE-OXIDE IN THE IN-VITRO MICRONUCLEUS TEST USING HUMAN-LYMPHOCYTES

被引:10
|
作者
JORRITSMA, U
CORNET, M
VANHUMMELEN, P
BOLT, HM
VERCRUYSSE, A
KIRSCHVOLDERS, M
ROGIERS, V
机构
[1] UNIV DORTMUND,INST ARBEITSPHYSIOL,TOXIKOL & ARBEITSMED ABT,D-44139 DORTMUND,GERMANY
[2] FREE UNIV BRUSSELS,DEPT TOXICOL,B-1090 BRUSSELS,BELGIUM
[3] FREE UNIV BRUSSELS,ANTROPOGENET LAB,B-1050 BRUSSELS,BELGIUM
关键词
D O I
10.1093/mutage/10.2.101
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
2-Methylpropene (isobutene), a gaseous compound widely used in chemical industries, is metabolized to the epoxide 2-methyl-1,2-epoxypropane. The parent compound has previously been shown to be non-mutagenic in a modified Ames test, whereas the epoxide metabolite gave a positive result, In this study, both compounds have been tested in the in vitro micronucleus test using human lymphocytes. Propylene oxide, a well known mutagenic compound, served as a positive control. It was found that 2-methylpropene had no mutagenic effect, whereas its epoxide induced a statistically significant dose-dependent increase in the number of micronuclei, The effect observed was comparable with that obtained for propylene oxide.
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页码:101 / 104
页数:4
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