Objective to study the effect of acute and chronic lead exposure on total extracellular signal regulated kinase 2 (ERK2) of rat hippocampus.

目的探讨急、慢性染铅对大鼠海马总量细胞外信号调节激酶2 (ERK2)含量的影响。

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Conclusion Acute lead exposure could make the content of phosphorylated ERK2 decrease in some time, then returned normally after a stage of time.

结论急性染铅可使磷酸化的ERK2含量在一定的时间内降低，经过一段时间后显示向正常恢复的趋势。

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AIM To investigate the effect of acute and chronic lead exposure on CA1 long term potentiation (LTP) and active extracellular signal regulated kinase 2 (ERK2) of rat hippocampus.

目的探讨急、慢性铅中毒对大鼠海马活化的细胞外信号调节激酶2 (ERK2)含量的影响及其与海马CA 1区长时程增强(ltp)的关系。

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PURPOSE: the aim of this study is to investigate the relationship between ERK1, ERK2 gene expression and tumor behavior such as invasion, metastasis in tongue squamous cell carcinoma (TSCC).

目的：研究舌鳞状细胞癌(TSCC)有丝分裂活化蛋白激酶(ERK)基因的表达及其与肿瘤病理分型、临床分期、颈淋巴结转移的关系。

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PURPOSE: the aim of this study is to investigate the relationship between ERK1, ERK2 gene expression and tumor behavior such as invasion, metastasis in tongue squamous cell carcinoma (TSCC).

目的：研究舌鳞状细胞癌(TSCC)有丝分裂活化蛋白激酶(ERK)基因的表达及其与肿瘤病理分型、临床分期、颈淋巴结转移的关系。

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