Recent progress in 8igenomic research of liver cancer

查看全文 作　　者：HAN ZeGuang Shanghai-MOST Key Laboratory for Disease and Health Genomics,Chinese National Human Genome Center at Shanghai,Shanghai 201203,China

出　　处：《Science China(Life Sciences)》索引2009年第52卷第1期,共7页

基　　金：Supported by the National Natural Science Foundation of China (Grant No.30425019) 摘　　要：Along the course of occurrence and development of liver cancer,the corresponding somatic cells accumulate some important genetic variations.These variations may be divided into two categories.For the genetic changes closely related to etiology of liver cancer,the well-known cases include insertion and integration of the hepatitis B virus(HBV) DNA after infection,and mutations at site 249 of the tumor suppressor gene p53 induced by exposure to aflatoxin B1.The secondary genetic changes include amplification and deletion of certain chromosome regions,mutations in p53 at the sites other than 249,as well as the mutational activation of the Wnt/β-catenin signal pathway.The tumor cells with these genetic variations may gradually become the dominant clones under evolutionary selection.Besides,identification of genetic susceptible against risk of liver malignancy is also an important aspect of research in this field. 关键词：HEPATOCELLULAR carcinoma CHROMOSOMAL instability GENE mutation ONCOGENE tumor SUPPRESSOR GENE

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Recent progress in 8igenomic research of liver cancer

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