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1·Objective: To explore the promoter position and existence of progesterone response element in HOXA11 gene cis-acting element.

目的：探讨hoxa11基因顺式作用元件是否存在启动子及孕激素应答元件序列。

2·Eukaryotic gene cis-acting element includes the promoter, enhancer, silencer, which are the specific DNA sequences regulating gene transcription.

真核生物基因顺式作用元件分为启动子、增强子、沉默子，是调节基因转录的特定DNA序列。

3·It has been demonstrated that transcriptional coactivator has close relationship with transcriptional factors and can enhance the combination of transcriptional factors and cis-acting element.

现有研究证明，与转录因子活力有关联的是转录辅激活子，它能增强转录因子和顺式作用元件的结合。