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Trans-acting factor binding to negative control region (NCR2) in 5' flanking sequence of human β-globin gene

机译:反式作用因子与人β-珠蛋白基因5'侧翼序列中的负控制区(NCR2)结合

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摘要

Human β-globin gene family provides an ideal model for studying the expression and regulation of eukaryotic gene. The five transcriptional active genes arranged 5' ε-~Gγ-~Aγ-δ-β 3' in the order that they are expressed during development. However, the molecular regulatory mechanism of the human globin gene expression remains to be defined. β-globin gene normally expressed in the adult bone marrow, but not in the embryonic stage, which suggests that there may be a silencing mechanism for the expression of human β-globin gene during the embryonic and fetal stage.
机译:人β-珠蛋白基因家族为研究真核基因的表达和调控提供了理想的模型。五个转录活性基因按照在发育中表达的顺序排列了5'ε-〜Gγ-〜Aγ-δ-β3'。然而,人类球蛋白基因表达的分子调控机制仍有待确定。 β-珠蛋白基因通常在成年骨髓中表达,但在胚胎期不表达,这表明人β-珠蛋白基因在胚胎和胎儿期表达可能存在沉默机制。

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