ABCG2在肺癌中的表达及意义

被引:7
作者
张宇飞 [1 ]
郭丽 [2 ]
赵峰 [1 ]
姜晓玲 [3 ]
穆德广 [1 ]
徐兴祥 [2 ]
戚好文 [1 ]
机构
[1] 第四军医大学西京医院呼吸内科
[2] 解放军第医院呼吸内科
[3] 解放军第医院病理科
关键词
肺肿瘤; ABCG2; 免疫组织化学;
D O I
暂无
中图分类号
R734.2 [肺肿瘤];
学科分类号
100214 ;
摘要
目的ATP结合转运蛋白G超家族成员2(ABCG2)属膜转运体ABC超家族,参与肿瘤的耐药。本研究旨在探讨AB-CG2在肺癌中的表达及意义。方法选用83例(64例非小细胞肺癌和19例小细胞肺癌)肺癌患者手术及活检标本。这些患者在取组织标本前均未行化疗或放疗。采用免疫组化法检测83例肺癌组织中ABCG2的表达。分别设阳性和阴性对照。另外取5例正常肺组织作比较研究。结果ABCG2阳性染色定位于癌细胞胞膜,部分病例胞浆也有分布。83例肺癌中,免疫组化显示非小细胞肺癌ABCG2阳性率71.88%(46/64),明显高于小细胞肺癌10.53%(2/19,P<0.05)。在非小细胞癌中ABCG2的表达与患者性别,肿瘤大小及病理类型无相关性(P>0.05),但ABCG2在无淋巴结转移和有淋巴结转移的非小细胞癌中表达有显著性差异(P<0.05)。同时ABCG2表达与非小细胞癌分化程度也具有相关性(P<0.05)。而用于比较研究的5例正常肺组织未观察到ABCG2阳性染色。结论ABCG2在非小细胞肺癌的发生、发展过程中可能起着重要作用,它有可能成为治疗非小细胞肺癌临床耐药的分子靶标。
引用
收藏
页码:965 / 967
页数:3
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