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Hangzhou, China

Jia Q.,R and nter | Wu H.,R and nter | Zhou X.,R and nter | Gao J.,R and nter | And 39 more authors.
Science China Life Sciences | Year: 2010

High mammalian gene expression was obtained for more than twenty different proteins in different cell types by just a few laboratory scale stable gene transfections for each protein. The stable expression vectors were constructed by inserting a naturally-occurring 1.006 kb or a synthetic 0.733 kb DNA fragment (including intron) of extremely GC-rich at the 5′ or/and 3′ flanking regions of these protein genes or their gene promoters. This experiment is the first experimental evidence showing that a non-coding extremely GC-rich DNA fragment is a super "chromatin opening element" and plays an important role in mammalian gene expression. This experiment has further indicated that chromatin-based regulation of mammalian gene expression is at least partially embedded in DNA primary structure, namely DNA GC-content. © Science China Press and Springer-Verlag Berlin Heidelberg 2010. Source

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