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MMP-9及PTEN在牙龈癌中的表达及意义 被引量:2

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摘要 目的:研究基质金属蛋白酶(MMP)-9及张力蛋白同源基因(PTEN)在牙龈癌中的表达及其与各临床病理特征之间的相关性。方法:牙龈癌患者33例,其中低分化组8例,中分化组10例,高分化组15例。同期取正常牙龈组织(癌旁组织组)8例,免疫组织化学技术检测各组MMP-9及PTEN的表达率和积分光密度(IOD)值,并观察2种因子的表达及其与临床特征的关系。结果:癌旁组织组中MMP-9表达率和IOD值与中、低分化组比较,差异有统计学意义(P<0.05)。癌旁组织组PTEN的阳性表达率与低分化组比较差异有统计学意义(P<0.05),IOD值比较,除癌旁组织组与高分化组间差异无统计学意义外,其余各组间差异均有统计学意义(P<0.05)。MMP-9与PTEN间表达呈明显负相关(rs=-0.949,P<0.05);MMP-9与复发和淋巴结转移呈正相关;PTEN与复发和淋巴结转移呈负相关。结论:MMP-9的表达增加和PTEN的表达降低可能在牙龈癌发生和转移中起协同作用。
出处 《天津医药》 CAS 北大核心 2012年第12期1249-1252,共4页 Tianjin Medical Journal
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参考文献9

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