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膜型基质金属蛋白酶1在胶质瘤及瘤旁组织中的表达及临床意义

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摘要 目的探讨膜型基质金属蛋白酶1(MT1-MMP)在胶质瘤及瘤旁组织中的表达及临床意义。方法选择54例胶质瘤标本及瘤旁相对正常脑组织,应用Western印迹实验及RT-PCR检测MT1-MMP的表达情况,并与临床相关特征进行关联分析。结果 Western印迹结果显示MT1-MMP在不同级别胶质瘤中表达具有差异性,胶质瘤级别越高其条带灰度值越高,胶质瘤级别越低表达越弱。RT-PCR结果显示MT1-MMP m RNA的表达呈现出与Western印迹结果一致的趋势,正常脑组织、Ⅰ、Ⅱ级胶质瘤与Ⅲ、Ⅳ级胶质瘤之间表达具有统计学差异(P<0.05),而Ⅲ级与Ⅳ级胶质瘤之间无明显差异性,并且MT1-MMP表达与患者生存期呈明显的负相关性。结论 MT1-MMP的表达与胶质瘤级别相关,有可能是一个潜在的胶质瘤基因靶向治疗的位点。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2015年第5期1229-1231,共3页 Chinese Journal of Gerontology
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