HBx和VEGF与乙肝相关性肝癌组织血管生成及转移的关系

被引:13
作者
刘凯歌
高红艳
赵慧
牛春燕
李莉
机构
[1] 西安医学院附属医院消化科
关键词
肝肿瘤; 乙肝病毒X蛋白; 血管内皮生长因子; 微血管密度;
D O I
10.13481/j.1671-587x.2010.02.063
中图分类号
R512.6 [病毒性肝炎]; R735.7 [肝肿瘤];
学科分类号
100112 [医学生物化学与分子生物学]; 100201 [内科学];
摘要
目的:探讨乙肝病毒X蛋白(HBx)、血管内皮细胞生长因子(VEGF)在乙肝相关性肝癌组织血管生成及转移过程中的作用。方法:选择84例乙肝相关性肝癌组织和22例非乙肝相关性肝癌组织,免疫组织化学法检测HBx、VEGF及血管内皮细胞表面抗原(CD34)表达,光镜下微血管计数(MVD)。结果:84例乙肝相关性肝癌组织中HBx阳性表达率为73.81%(62/84),阴性率为26.19%(22/84);62例HBx阳性表达组中VEGF阳性率[74.19%(46/62)]明显高于22例HBx阴性组[36.36%(8/22)]和非乙肝相关性肝癌组[36.36%(8/22)(P<0.05)];HBx阴性表达的乙肝相关性肝癌组和非乙肝相关性肝癌组中VEGF阳性表达比较差异无显著性(P>0.05);84例乙肝相关性肝癌组织中HBx和VEGF的表达水平呈正相关关系(Rs=0.552,P<0.01);二者在高分化肿瘤组织中的表达高于低分化组织(P<0.05),有转移组表达高于无转移组;HBx阳性表达组平均MVD值明显高于HBx阴性组和非乙肝相关性肝癌组(P<0.01),有转移组MVD高于无转移组(P<0.01);有门脉侵犯组高于非侵犯组(P<0.05)。结论:HBx和VEGF广泛表达于乙肝相关性肝癌组织中,二者表达水平呈正相关关系;HBx可能通过上调VEGF的表达在乙肝相关性肝癌组织血管生成及转移中起促进作用。
引用
收藏
页码:372 / 376+434 +434
页数:6
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