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    • 22. 发明公开
    • NDRG2 유전자를 포함하는 간암 및 그 예후 진단용조성물
    • 用于肝细胞癌的诊断组合物及其包含NDRG2基因的预后
    • KR1020080019520A
    • 2008-03-04
    • KR1020060113439
    • 2006-11-16
    • 한국생명공학연구원
    • 염영일이동철박인영손보화김동준박경찬유향숙송은영김재화임종석이희구
    • C12N15/10C12N15/12G01N33/574
    • A composition comprising NDRG2(N-myc downstream regulated gene 2) gene is provided to diagnose hepatocellular carcinoma and its prognosis, and treat hepatocellular carcinoma by inhibiting growth and transition of liver cancer cells through its overexpression. A composition for diagnosis of hepatocellular carcinoma and its prognosis or preventing or treating hepatocellular carcinoma comprises a primer of SEQ ID NO:3 or 4 capable of amplifying an NDRG2 gene encoding the amino acid sequence of SEQ ID NO:2. A microarray for diagnosis of hepatocellular carcinoma and its prognosis a DNRG2 gene encoding the amino acid sequence of SEQ ID NO:2 or its fragment having the nucleotide sequence of SEQ ID NO:5. An expression vector pcDNA3.1/myc-his/NDRG2 contains the NDRG2 gene. A promoter of NDRG2 gene has the nucleotide sequence of SEQ ID NO:5 and is hypermethylated. A therapeutic agent of hepatitis or hepatocellular carcinoma has the activity of reducing hypermethylation of the promoter of NDRG2 gene having the nucleotide sequence of SEQ ID NO:5. A screening method of the therapeutic agent of hepatitis or hepatocellular carcinoma comprises the steps of: (a) preparing a candidate compound; (b) contacting the candidate compound with a cell having a hypermethylated promoter of NDRG2 gene; and (c) determining whether the candidate compound reduce hypermethylation of the promoter.
    • 提供包含NDRG2(N-myc下游调控基因2)基因的组合物,用于诊断肝细胞癌及其预后,并通过其过表达抑制肝癌细胞的生长和转换来治疗肝细胞癌。 用于诊断肝细胞癌及其预后或预防或治疗肝细胞癌的组合物包含能够扩增编码SEQ ID NO:2的氨基酸序列的NDRG2基因的SEQ ID NO:3或4的引物。 用于诊断肝细胞癌的微阵列及其预后编码SEQ ID NO:2的氨基酸序列的DNRG2基因或其具有SEQ ID NO:5的核苷酸序列的片段。 表达载体pcDNA3.1 / myc-his / NDRG2含有NDRG2基因。 NDRG2基因的启动子具有SEQ ID NO:5的核苷酸序列,并且是高甲基化的。 肝炎或肝细胞癌的治疗剂具有降低具有SEQ ID NO:5的核苷酸序列的NDRG2基因的启动子的高甲基化的活性。 肝炎或肝细胞癌治疗剂的筛选方法包括以下步骤:(a)制备候选化合物; (b)使候选化合物与具有NDRG2基因的高甲基化启动子的细胞接触; 和(c)确定候选化合物是否减少启动子的超甲基化。