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鼻咽癌组织中MKK4蛋白表达变化及其与MKK4基因启动子区-1304 T/G多态性的关系 被引量:1

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摘要 目的观察鼻咽癌组织中丝裂原活化蛋白激酶激酶4(MKK4)蛋白的表达变化,并探讨其与MKK4基因启动子区-1304 T/G多态性的关系。方法鼻咽癌患者90例,术中留取肿瘤组织和癌旁组织。采用免疫组化检测鼻咽癌组织和癌旁组织中的MKK4蛋白;采用PCR-限制性片段长度多态性法检测患者MKK4基因启动子区-1304T/G位点单核苷酸多态性。结果鼻咽癌组织中MKK4蛋白表达阳性68例(75.6%)、MKK4蛋白低表达26例(40%)、高表达54例(60%),癌旁组织中MKK4蛋白表达阳性85例(94.4%),MKK4蛋白低表达18例(20.0%),高表达72例(80.0%)。MKK4蛋白在鼻咽癌组织中的表达明显低于癌旁组织(P<0.05)。鼻咽癌患者MKK4基因启动子区-1304 T/G为TT基因型16例(17.8%),TG基因型51例(56.7%),GG基因型23例(25.6%),TG+GG基因型74例(82.2%)。MKK4蛋白低表达的36例中,MKK4基因启动子区-1304 TT基因型10例(27.8%)、TG基因型19例(52.8%)、GG基因型7例(19.4%)、TG+GG基因型26例(72.2%);MKK4蛋白高表达的54例中MKK4基因启动子区-1304 TT基因型6例(11.1%)、TG基因型32例(59.3%)、GG基因型16例(29.6%)、TG+GG基因型48例(88.9%)。MKK4蛋白低表达者与高表达者MKK4基因启动子区-1304 T→G发生率相比,P<0.05。结论鼻咽癌组织中MKK4蛋白阳性表达率降低,MKK4蛋白低表达可能与鼻咽癌发病有关;MKK4基因启动子区-1304 T→G突变者MKK4蛋白表达增高。
出处 《山东医药》 CAS 北大核心 2016年第31期63-65,共3页 Shandong Medical Journal
基金 湖北省自然基金面上项目(2014CFB675) 湖北省教育厅重点项目(D20141205) 湖北省卫计委科研基金项目(WJ2015MB176) 宜昌市科技研究与开发项目(A12301-03)
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