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Inhibitive Effects of Lipoic Acid on the DNA-protein Crosslink Induced by Formaldehyde in Mice Liver

机译:硫辛酸对甲醛诱导的小鼠肝脏DNA-蛋白质交联的抑制作用

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摘要

To explore the relation between oxidative stress and DNA-protein crosslink formation caused by formaldehyde (FA) inhalation in mice liver. Methods: 15 Kun Ming mice were divided into 3 groups: control group, 3.0 mg/m3 gaseous FA inhaled group, 3.0 mg/m3 gaseous FA and lipoic acid (LA) treated group. The content of reduced glutathione (GSH) and the content of DPC were measured after the treatment for 3d. Results: The content of GSH in liver cells declined significantly and the content of DPC increased significantly after inhaled with 3.0 mg/m3 gaseous FA. The content of GSH and DPC were both recovered to control group after treated with 3.0 mg/m3 gaseous FA inhalation and LA injection. Conclusion: LA injection could inhibit the formation of DPC in mice liver after exposure to FA. It is suggested that DPC formation in mice liver may be related with oxidative damage.
机译:探讨氧化应激与甲醛(FA)吸入引起的小鼠肝脏中DNA-蛋白质交联形成之间的关系。方法:将15只昆明小鼠分为3组:对照组,3.0 mg / m3气态FA吸入组,3.0 mg / m3气态FA和硫辛酸(LA)治疗组。处理3d后,测定还原型谷胱甘肽(GSH)的含量和DPC的含量。结果:吸入3.0 mg / m3气态FA后,肝细胞中GSH的含量显着下降,DPC的含量显着增加。用3.0 mg / m3气态FA吸入和LA注射治疗后,GSH和DPC的含量均恢复至对照组。结论:LA注射可抑制FA暴露后小鼠肝脏DPC的形成。提示小鼠肝脏中DPC的形成可能与氧化损伤有关。

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