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首页> 外文期刊>Molecular and Cellular Biology >Morphological transformation of established rodent cell lines by high-level expression of the adenovirus type 2 E1a gene.
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Morphological transformation of established rodent cell lines by high-level expression of the adenovirus type 2 E1a gene.

机译:通过2型腺病毒E1a基因的高水平表达建立的啮齿动物细胞系的形态转化。

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When a strong promoter derived from the mouse metallothionein gene was substituted for the homologous adenovirus type 2 E1a promoter, leading to enhanced levels of E1a RNAs and proteins in cells transfected with the chimeric gene, the E1a gene alone was able to induce in established cell lines alterations in cellular morphology and growth properties similar to those produced by the combined action of E1a and E1b genes. The qualitative effects of E1a gene expression upon cellular properties thus depend on the level of expression of the E1a gene. Furthermore, E1a may be the primary transforming gene of adenoviruses, since it produced many of the characteristics of transformed cells that had previously been attributed to E1b.
机译:当将源自小鼠金属硫蛋白基因的强启动子替换为同源2型腺病毒E1a启动子,导致嵌合基因转染的细胞中E1a RNA和蛋白质水平提高时,仅E1a基因就能在已建立的细胞系中诱导细胞形态和生长特性的改变类似于E1a和E1b基因的联合作用产生的改变。 E1a基因表达对细胞特性的定性影响因此取决于E1a基因的表达水平。此外,E1a可能是腺病毒的主要转化基因,因为它产生了以前归因于E1b的许多转化细胞特征。

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