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[Effect of methylmercury on expression of immediate early gene c-jun mRNA in rat brain]
Jin-ping Cheng1, Wen-hua Wang, Li-ya Qu
1School of Environmental Science and Engineering, Shanghai Jiaotong University, Shanghai 200240, China.
Abstract:
In order to probe into the early prediction molecular index and the signal transduction molecular mechanism of methyl mercury chloride (MMC) neurotoxicity, the expression of c-jun mRNA in rat brains induced by different concentration MMC for different times were observed by using reverse transcription polymerase chain reaction (RT-PCR) methods (the control group was physiological saline of 0.9%, the concentrations of expose groups were 0.05, 0.5, 5 mg x kg(-1) respectively, the sampling times were 20, 60, 240, 1440 min). The result showed the expression of c-jun mRNA in rat brains was prior to the accumulation of mercury, and the expression of c-jun mRNA in rat brains could early predict the neurotoxicity of MMC. IEG (c-jun) participated in the toxicity process of injury by MMC.
