铁反应元件(IRE)具有的高度保守的RNA茎环结构，是胞质中IRE结合铁调控蛋白(irp)的位点。
The iron response element (IRE) is a highly conserved RNA stem loop structure. It is the binding site of iron regulatory protein (IRP).
目的研究急性或慢性吗啡依赖和戒断大鼠脑组织环腺苷酸反应元件结合蛋白-1 （CREB-1）表达的变化。
Objective To investigate the changes in CREB-1 protein expression in three brain regions induced by acute or chronic morphine dependence and withdrawal.
结论：能方便地获得TTF1体外翻译蛋白，为进一步研究TTF1蛋白与相应的DNA反应元件及其他转录因子的相互作用奠定了基础。
Conclusion: Expression of TTF1 in vitro can be used in the further research of interaction of TTF1 and its DNA response elements and others transcription factors.
结论：能方便地获得TTF1体外翻译蛋白，为进一步研究TTF1蛋白与相应的DNA反应元件及其他转录因子的相互作用奠定了基础。
Conclusion: Expression of TTF1 in vitro can be used in the further research of interaction of TTF1 and its DNA response elements and others transcription factors.
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