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基质金属蛋白酶-7和上皮钙黏附素在大肠侧向发育型肿瘤中的表达及意义 被引量:4

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摘要 由于大肠侧向发育型肿瘤(1aterally spreading tumor,LST)形态多样,与大肠癌关系密切,因此对LST的研究具有重要意义。侧向发育型肿瘤与一般腺瘤相比,具有独特的形态和临床病理学特征,因此推测其基因上也有所差异。以往研究LST恶变机制,主要关注k-ras和p53等,而我们的实验通过检测基质金属蛋白酶.7(MMP-7)和上皮钙黏附素(E—cad)的mRNA和蛋白表达,从分子生物学角度探索LST发生及恶变的可能机制。
作者 孙颖 宫爱霞
出处 《中华消化内镜杂志》 2012年第1期42-43,共2页 Chinese Journal of Digestive Endoscopy
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