In vivo competition between a metallothionein regulatory element and the SV40 enhancer.
In vivo competition between a metallothionein regulatory element and the SV40 enhancer.
复制标题
金属硫蛋白调节元件和 SV40 增强子之间的体内竞争。
DOI:
10.1126/science.3006253
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发表时间:
1986
期刊:
影响因子:
--
通讯作者:
Karin,M
中科院分区:
文献类型:
--
作者:
Scholer,H;Haslinger,A;Heguy,A;Holtgreve,H;Karin,M
The human metallothionein-IIA(hMT-IIA) gene contains an enhancer element within its 5′ regulatory region. This enhancer element can compete with the SV40 enhancer for one or more cellular factors in vivo. The competition between the two elements is modulated by cadmium, an inducer of hMT-IIAtranscription. The data presented are consistent with a model in which heavy metal ions control the ability of the hMT-IIAenhancer to bind a positive factor, leading to increased transcription. The same factor is required for maximal activity of the SV40 enhancer, which suggests that viruses utilize factors that have a normal role in cellular gene expression to control their own genes.
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DOI:
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