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PTEN、FOXO3a和氧化应激相关蛋白在胃癌组织中的表达 被引量:4

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摘要 目的:探讨PTEN、FOXO3a和氧化应激相关蛋白在胃癌中的表达及它们之间的相互关系。方法:采用紫外分光光度法测定胃腺癌患者(n=45)和健康自愿者(n=30)血浆中过氧化氢酶(CAT)、超氧化物歧化酶(SOD)及丙二醛(MDA)的表达水平;采用荧光定量RT-PCR法检测胃腺癌组织(n=84)和正常组织(n=48)中PTEN mRNA和FOXO3a mRNA的表达水平。PTEN和FOXO3a的表达与氧化应激的关系采用Spearman方法进行相关性分析。结果:胃癌组血浆中CAT、SOD表达低于对照组,MDA表达高于对照组;胃癌组织中PTEN mRNA和FOXO3a mRNA表达低于正常组织;PTENmRNA表达与SOD、CAT的含量呈正相关,与MDA的含量呈反相关。结论:胃腺癌患者体内存在过高的氧化应激水平及过低的抗氧化水平,机体抗氧化能力的降低有可能降低抑癌基因PTEN mRNA和FOXO3a mRNA的表达。
出处 《细胞与分子免疫学杂志》 CAS CSCD 北大核心 2012年第5期544-545,共2页 Chinese Journal of Cellular and Molecular Immunology
基金 国家自然科学基金(81171288)
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参考文献7

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共引文献14

同被引文献71

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