基础研究
Copyright ©The Author(s) 2013.
世界华人消化杂志. 2013-07-18; 21(20): 1907-1913
在线出版 2013-07-18. doi: 10.11569/wcjd.v21.i20.1907
表1 Smad4甲基化引物序列
基因引物序列扩增片段长度
SMAD4-FaggaagagagAGTTTAGGGGAGAGTAGGAAGGGT320 bp
SMAD4-RcagtaatacgactcactatagggagaaggctAAACCCAAATCCAAATTCAAAAC
表2 哈族胃癌和哈族正常组织12组Smad4基因CpG片段的甲基化率
分组CpG片段哈族胃癌组哈族正常组
1Smad4-1_2_CpG_10.010303030.00378378
2Smad4-1_2_CpG_3.40.019189190.01090909
3Smad4-1_2_CpG_60.011818180.01594595
4Smad4-1_2_CpG_7.80.033333330.01945946
5Smad4-1_2_CpG_10.110.020337480.01152850
6Smad4-1_2_CpG_140.071818180.06729730
7Smad4-1_2_CpG_150.019393940.02594595
8Smad4-1_2_CpG_16.17.18.190.026969700.02648649
9Smad4-1_2_CpG_200.008787880.00513514
10Smad4-1_2_CpG_27.280.036060610.02702703
11Smad4-1_2_CpG_290.008787880.00513514
12Smad4-1_2_CpG_31.32.330.051212120.04216216
总甲基化率(%)0.318011520.26081599
平均甲基化率(%)0.026500960.02173467
表3 胃癌组织和正常组织的12个Smad4基因CpG片段的Wilcoxon W秩和检验值
序号基因片段 Mann-Whitney UWilcoxon WP
1Smad4-1_2_CpG_1548.0001251.0000.317
2Smad4-1_2_CpG_3.4438.500999.5000.035
3Smad4-1_2_CpG_6544.0001247.0000.410
4Smad4-1_2_CpG_7.8487.0001190.0000.139
5Smad4-1_2_CpG_10.11438.500999.5000.035
6Smad4-1_2_CpG_14548.0001251.0000.452
7Smad4-1_2_CpG_15480.5001041.5000.118
8Smad4-1_2_CpG_16.17.18.19598.0001159.0000.881
9Smad4-1_2_CpG_20501.5001204.5000.158
10Smad4-1_2_CpG_27.28497.5001200.5000.175
11Smad4-1_2_CpG_29501.5001204.5000.158
12Smad4-1_2_CpG_31.32.33504.0001207.0000.198

引文著录: 刘玺, 陈卫刚, 李睿, 刘芳, 刘晓燕, 康雪, 马聪, 窦玉琴, 郑勇. 新疆哈萨克族胃癌中Smad4基因启动子的甲基化状态. 世界华人消化杂志 2013; 21(20): 1907-1913