Copyright
©The Author(s) 2008.
世界华人消化杂志. 2008-10-18; 16(29): 3261-3268
在线出版 2008-10-18. doi: 10.11569/wcjd.v16.i29.3261
在线出版 2008-10-18. doi: 10.11569/wcjd.v16.i29.3261
表1 Real-time PCR反应条件
反应步骤 | t(℃) | t(S) | 循环 | 荧光信号收集 | |
预孵育 | 95 | 120 | 1 | 无 | |
95 | 20 | ||||
扩增 | 58 | 25 | 45 | 在延伸阶段结束时 | |
72 | 30 | ||||
溶解 | 65 | 0 | 1 | 在温度缓慢升高过程中 | |
曲线 | 95 | 20 |
表2 样品RNA浓度 (g/L)
分组 | 样品编号 | 总RNA浓度 | 纯化后RNA浓度 |
益气活血组 | 1 | 1.88 | 1.78 |
2 | 2.94 | 1.33 | |
3 | 2.65 | 1.50 | |
空白对照组 | 10 | 3.36 | 1.26 |
11 | 3.36 | 1.40 | |
12 | 3.26 | 1.63 | |
自然恢复组 | 13 | 2.56 | 1.24 |
表3 三张芯片差异基因数目
芯片编号 | 55006 | 55007 | 55008 |
上调基因数 | 566 | 346 | 452 |
下调基因数 | 706 | 640 | 519 |
表4 益气活血组筛选出的部分差异表达基因列表
上调基因 | 下调基因 | ||||||
GenBank | RATIO1 | RATIO2 | RATIO3 | GenBank | RATIO1 | RATIO2 | RATIO3 |
NM_012564 | 99.01 | 44.64 | 42.37 | NM_031821 | 0.25 | 0.25 | 0.32 |
NM_012657 | 44.25 | 38.61 | 41.84 | BI296915 | 0.23 | 0.32 | 0.29 |
NM_145779 | 34.25 | 21.14 | 25.06 | XM_149281 | 0.23 | 0.23 | 0.39 |
NM_012898 | 25.00 | 23.92 | 22.47 | NM_133404 | 0.23 | 0.27 | 0.49 |
NM_134326 | 24.15 | 19.57 | 21.10 | BE095796 | 0.22 | 0.32 | 0.27 |
NM_012582 | 22.17 | 15.43 | 14.16 | NM_031320 | 0.21 | 0.32 | 0.24 |
NM_013112 | 19.65 | 8.77 | 15.90 | BC017596 | 0.21 | 0.15 | 0.30 |
NM_031531 | 19.61 | 8.40 | 11.72 | XM_134666 | 0.21 | 0.29 | 0.12 |
NM_019156 | 19.46 | 8.20 | 10.13 | NM_012552 | 0.21 | 0.23 | 0.18 |
NM_012901 | 17.83 | 8.13 | 7.87 | BF396698 | 0.20 | 0.28 | 0.29 |
NM_053469 | 17.70 | 6.85 | 2.29 | AI144892 | 0.20 | 0.18 | 0.21 |
NM_019184 | 16.03 | 9.90 | 11.55 | BF544595 | 0.20 | 0.34 | 0.07 |
BQ191104 | 13.28 | 7.14 | 10.44 | NM_012623 | 0.19 | 0.17 | 0.11 |
NM_080576 | 13.18 | 6.41 | 6.90 | BE118680 | 0.19 | 0.14 | 0.22 |
XM_342639 | 12.71 | 8.06 | 8.13 | M92076 | 0.18 | 0.15 | 0.22 |
NM_017233 | 12.38 | 5.56 | 6.99 | NM_023970 | 0.17 | 0.15 | 0.17 |
NM_053768 | 12.02 | 7.35 | 13.00 | XM_041991 | 0.17 | 0.31 | 0.28 |
BQ191104 | 11.86 | 6.29 | 10.28 | BE099720 | 0.14 | 0.33 | 0.22 |
NM_017055 | 11.81 | 5.18 | 7.19 | NM_012847 | 0.14 | 0.19 | 0.13 |
NM_031971 | 10.36 | 11.43 | 2.75 | NM_013034 | 0.10 | 0.18 | 0.36 |
NM_031543 | 10.24 | 8.47 | 8.93 | NM_152936 | 0.08 | 0.06 | 0.36 |
NM_020071 | 10.08 | 8.26 | 6.54 | NM_016997 | 0.08 | 0.07 | 0.19 |
NM_017024 | 9.62 | 4.26 | 6.80 | NM_016997 | 0.08 | 0.06 | 0.13 |
NM_175837 | 8.55 | 2.93 | 5.92 | NM_012635 | 0.05 | 0.06 | 0.13 |
NM_030832 | 8.40 | 4.29 | 7.46 | NM_012553 | 0.04 | 0.06 | 0.09 |
NM_053288 | 8.26 | 5.18 | 4.03 | NM_139086 | 0.02 | 0.02 | 0.06 |
NM_053617 | 8.26 | 4.88 | 7.04 | NM_173127 | 0.02 | 0.02 | 0.04 |
NM_030850 | 8.20 | 3.89 | 7.25 | NM_054009 | 0.02 | 0.02 | 0.04 |
XM_129207 | 8.20 | 3.33 | 2.42 | NM_031502 | 0.02 | 0.02 | 0.03 |
NM_057146 | 7.81 | 8.70 | 6.85 | NM_013161 | 0.01 | 0.02 | 0.02 |
表5 GO分析结果与凋亡相关的4个基因
GeneBank ID | gene title |
NM_031971 | heat shock 70 kd protein 1a |
AI599423 | growth arrest and dna-damage-inducible |
NM_057146 | complement component 9 |
NM_134326 | albumin |
表6 正常对照组与凋亡相关的4个基因的RATIO值
GenBank | RATIO1(10744) | RATIO2(10745) | RATIO3(18748) |
NM_031971 | 0.92 | 1.08 | 0.98 |
AI599423 | 1.00 | 0.94 | 0.81 |
NM_057146 | 0.64 | 0.61 | - |
NM_134326 | 1.13 | 0.96 | 0.89 |
表7 HSP70基因表达Real-time PCR验证
编号 | actin | 平均值 | HSP70 | 平均值 | ΔCT | 2-ΔCT |
1 | 19.04 | 19 | 22.79 | 22.71 | 3.71 | 0.76 |
1 | 18.96 | 22.63 | ||||
2 | 18.83 | 19.1 | 23.05 | 22.73 | 3.63 | 0.81 |
2 | 19.37 | 22.40 | ||||
3 | 20.97 | 21.015 | 24.93 | 24.90 | 3.88 | 0.68 |
3 | 21.06 | 24.86 | ||||
13 | 24.52 | 24.41 | 28.89 | 28.86 | 4.45 | 0.46 |
13 | 24.30 | 28.83 |
引文著录: 李军祥, 张玉禄, 朱陵群, 赵宁宁. 益气活血法对大鼠萎缩性胃炎癌前病变差异基因表达谱的影响. 世界华人消化杂志 2008; 16(29): 3261-3268