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    • 3. 发明申请
    • POLYMORPHISMS OF THE E2F-1 BINDING ELEMENT AND METHODS OF DETERMINING CANCER SUSCEPTIBILITY
    • E2F-1结合单元的多态性和确定癌症可疑性的方法
    • WO2006121208A1
    • 2006-11-16
    • PCT/JP2006/309887
    • 2006-05-11
    • ONCOTHERAPY SCIENCE, INC.THE UNIVERSITY OF TOKYONAKAMURA, YusukeFURUKAWA, YoichiNAKATSURU, Shuichi
    • NAKAMURA, YusukeFURUKAWA, YoichiNAKATSURU, Shuichi
    • C12Q1/68
    • C12Q1/6886C12Q2600/156C12Q2600/16C12Q2600/178
    • Up-regulated ZNFN3A1, a histone methyltransferase, is a critical promoter of cell growth in a great majority of the human colorectal, liver, and breast cancers. Herein, transcriptional regulatory regions in the 5' flanking region of ZNFN3A1 that contains four E2F-1 binding motifs and one Nrf1 binding motif are identified. In particular, experimental data disclosed herein suggest that E2F-1 induces of ZNFN3A1 expression by transcriptional activation through a binding to the promoter region. In addition, a significant association between a variable number tandem repeat (VNTR) polymorphism of a CCGCC unit in the regulatory region of the ZNFN3A1 gene and an increased risk of colorectal cancer ( Chi-square=17.86, p=3.8 x 10^-5, odds ratio=2.20), hepatocellular carcinoma ( Chi-square=25.39, p=4.7 x 10^-7, odds ratio=2.74) and also breast cancer ( Chi-square=38.91, p=3.4 x 10^-9, odds ratio=3.79) was discovered. This tandem-repeated sequence was shown to be a binding-site for the transcriptional factor E2F-1 and the common VNTR polymorphism in ZNFN3A1 is shown herein to be a susceptibility factor for certain types of human cancer.
    • 上调的ZNFN3A1是一种组蛋白甲基转移酶,是绝大多数人结肠直肠癌,肝癌和乳腺癌细胞生长的关键促进剂。 本文中鉴定了含有四个E2F-1结合基序和一个Nrf1结合基序的ZNFN3A1的5'侧翼区的转录调控区。 特别地,本文公开的实验数据表明E2F-1通过与启动子区结合的转录激活诱导ZNFN3A1表达。 此外,ZNFN3A1基因调控区CCGCC单位的可变数串联重复(VNTR)多态性与结肠直肠癌风险增加之间的显着关联(卡方= 17.86,p = 3.8×10 ^ -5 ,优势比= 2.20),肝细胞癌(卡方= 25.39,p = 4.7×10 ^ -7,优势比= 2.74),乳腺癌(卡方= 38.91,p = 3.4×10 ^ 优势比= 3.79)被发现。 该串联重复序列显示为转录因子E2F-1的结合位点,并且ZNFN3A1中的常见VNTR多态性在本文中显示为某些类型的人类癌症的易感因子。