Twist1和血管生成拟态在结直肠癌中的表达和临床意义

被引:1
|
作者
潘成武 [1 ]
张新鑫 [1 ]
张晨嵩 [1 ]
李雷 [1 ]
谢波 [1 ]
李靖 [1 ]
马家驰 [1 ]
冯振中 [2 ]
机构
[1] 蚌埠医学院第一附属医院肿瘤外科
[2] 蚌埠医学院第一附属医院病理科
基金
安徽省自然科学基金;
关键词
Twist1; 血管生成拟态; 结直肠癌; 侵袭; 转移;
D O I
暂无
中图分类号
R735.34 [];
学科分类号
摘要
目的 分析Twist1在结直肠癌(CRC)中的表达及对血管生成拟态(VM)的影响。方法 收集124例CRC病例资料,通过免疫组织化学分析CRC组织及正常结直肠黏膜组织中Twist1、血管内皮细胞钙黏连蛋白(VE-cadherin)表达差异及其与预后及临床参数间的关系,对比CRC组织及正常结直肠黏膜组织中存在的VM现象。沉默CRC细胞株Twist1表达水平,通过蛋白免疫印(Western blot)迹检测VM法相关分子表达情况,观察Twist1对于结直肠癌细胞侵袭、迁移和VM的影响。结果 与正常结直肠黏膜组织比较,CRC组织Twist1、VE-cadherin阳性率升高,差异有统计学意义(P<0.05)。Twist1、VE-cadherin及VM与CRC的血管侵犯和淋巴结转移有关(P<0.05);总生存率统计分析显示,Twist1高表达CRC患者5年生存率明显低于Twist1低表达患者(P<0.01)。沉默Twist1表达后,si-Twist1组CRC细胞的侵袭、迁移能力较si-NC组(阴性对照)明显降低(P<0.05),上皮间质转化(EMT)相关因子Snail、N-cadherin及VM相关蛋白VE-cadherin的表达水平均较si-NC组明显降低(P<0.05)。结论 Twist1在CRC组织中高表达并与肿瘤VM相关,对CRC细胞侵袭、迁移等恶性生物学行为具有重要影响,对评估患者预后具有一定的价值。
引用
收藏
页码:3813 / 3818
页数:6
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