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刘杰

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期刊论文

Hepatitis Bx Antigen Stimulates Expression of a Novel Cellular Gene, URG4, that Promotes epatocellular Growth and SurvivaI1

刘杰N. Lale Satiroglu Tufan* Zhaorui Llan* MJie Liu* Jingbo Pan* Patrick Arbuthnot† Michael Kew† Marcy M Clayton* Minghua Zhu† and Mark A Feitelson*

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摘要/描述

Hepatitis B virus encoded X antigen (HBxAg) may contribute to the development of hepatocelIular carcin-oma (HCC) by up-or downregulating the expression of cellular genes that promote cell growth and urvival. To test this hypothesis, HBxAg-positive and-negative HepG2 cells were constructed. and the patterns of cellular gene expression compared by polymerase chain reaction select cDNA subtraction. The full-length clone of one of these upregulated genes (URG), URG4, encoded a rotein of about 104kDa. URG4 was strongly expressed jn hepatitis B-infected Iiver and in HCC cells. where it costained with HBxAg, and was weakly ex

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