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首页> 外文期刊>Molecular and Cellular Biology >Species-specific lens activation of the thymidine kinase promoter by a single copy of the mouse alpha A-CRYBP1 site and loss of tissue specificity by multimerization.
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Species-specific lens activation of the thymidine kinase promoter by a single copy of the mouse alpha A-CRYBP1 site and loss of tissue specificity by multimerization.

机译:小鼠αA-CRYBP1位点的单个拷贝对胸苷激酶启动子的物种特异性晶状体激活,以及通过多聚作用丧失组织特异性。

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摘要

One copy of the mouse alpha A-crystallin gene alpha A-CRYBP1 site activated the thymidine kinase (tk) promoter in a mouse lens epithelial cell line but not in primary chicken lens cells; multiple copies further activated the tk promoter and extended expression to fibroblasts, B cells, and chicken lens cultures. The loss of lens specificity by multimerization may place selective constraints on the number of alpha A-CRYBP1 sites in the alpha A-crystallin promoter.
机译:小鼠αA-晶状蛋白基因αA-CRYBP1位点的一个副本激活了小鼠晶状体上皮细胞系中的胸苷激酶(tk)启动子,但未激活原代鸡晶状体细胞。多拷贝进一步激活了tk启动子,并将其表达延伸至成纤维细胞,B细胞和鸡晶状体培养物。通过多聚作用丧失晶状体特异性可能会对αA-晶状蛋白启动子中αA-CRYBP1位点的数量产生选择性限制。

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