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- W2238108507 abstract "[目的]研究nectin 4在肺癌组织中的表达及其在肺癌细胞增殖、迁移侵袭过程中的作用。[方法]免疫组化法检测20例肺癌组织及其对应癌旁组织中nectin 4的表达情况;QPCR及Western Blot分别检测不同肺癌细胞株及正常肺上皮细胞中nectin 4 mRNA和蛋白的表达情况;设计nectin 4干扰RNA序列,转染肺癌细胞后,MTT法检测细胞的增殖能力。划痕愈合实验和Transwell小室法分别检测细胞的迁移能力和侵袭能力。[结果]免疫组化结果显示nectin 4在癌旁组织中不表达,而40%的肺癌组织中表达阳性（8/20）,且nectin 4的表达与肺癌患者淋巴结转移明显相关（r=0.612,P=0.004）。QPCR及Western Blot结果显示,正常肺上皮细胞BEAS-2B中nectin 4表达较低,而在A549和PC-9肺癌细胞株中nectin 4表达明显较高。设计的其中一条nectin 4 siRNA可以降低肺癌A549和PC-9细胞nectin 4蛋白表达70%以上,且nectin 4基因干扰后,肺癌细胞的增殖能力减弱,迁移和侵袭能力也受到明显抑制。[结论]Nectin 4表达水平与肺癌细胞的增殖、迁移和侵袭密切相关,可以作为肺癌转移治疗的重要靶点。" @default.
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- W2238108507 date "2015-01-01" @default.
- W2238108507 modified "2023-09-24" @default.
- W2238108507 title "Nectin 4在肺癌组织中的表达及干扰nectin 4对肺癌细胞增殖和迁移侵袭的影响" @default.
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