Effects of Nitrobenzenes on DNA Damage in Germ Cells of Rats

Effects of Nitrobenzenes on DNA Damage in Germ Cells of Rats

The single cell gel electrophoresis （SCGE） technique was used to detect DNA damage in germ cells of rats, which was induced by five tested nitroaromatic compounds. Mixed cultures of Sertoli and germ cells were prepared from the rats testis and their responses to rn-dinitrobenzene （ m-DNB）, 2,4-dinit...

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Veröffentlicht in:Chemical research in Chinese universities 2006, Vol.22 (1), p.29-32
1. Verfasser: XU Jing-bo JING Ti-song YANG Li SUN Zhi-wei SHI Long
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DNA损伤
单细胞凝胶电泳
生殖细胞
硝基苯
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description The single cell gel electrophoresis （SCGE） technique was used to detect DNA damage in germ cells of rats, which was induced by five tested nitroaromatic compounds. Mixed cultures of Sertoli and germ cells were prepared from the rats testis and their responses to rn-dinitrobenzene （ m-DNB）, 2,4-dinitrotoluene （ 2,4-DNT）, 2,6-dinitroto-luene（2,6-DNT）, 4-nitrotoluene（4-NT） and 2,4-dinitroaniline（2,4-DNAn） were studied. The results show that all the five chemicals have a reproductive toxicity. Each dose group and the control group were significantly different （ P 〈 0. 01 ）. All of them can lead to the damage to DNA in the germ cells of Kunming male rats in the definite range of concentration（m-DNB ： 0. 04-25μmol/L; 2,4-DNT, 2,6-DNT and 4-NT： 0. 032-500μmol/L; 2,4-DNAn ：0. 8-20μmol/L）. When the concentration increases, the damage rate will become higher, which shows an evident logarithm dose-effect relationship.
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subjects DNA损伤
单细胞凝胶电泳
生殖细胞
硝基苯
title Effects of Nitrobenzenes on DNA Damage in Germ Cells of Rats
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