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汉族儿童髓母细胞瘤发病与miR-125a-5P序列基因多态性的关系 被引量:2

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摘要 目的探讨汉族儿童髓母细胞瘤发病与miR-125a-5P序列基因多态性的相关性。方法收集儿童髓母细胞瘤患者及正常对照儿童外周血各256例,提取淋巴细胞基因组DNA,采用Taqman-MGB探针检测DNA中miR-125a-5P的rsl2975333位点的单核苷酸多态性;茎环qRT-PCR方法检测髓母细胞瘤组织标本及正常儿童脑组织标本中miR-125a-5p的表述水平。结果在所检测256例儿童髓母细胞瘤患者中miR-125a-5P的rsl2975333位点基因GG型共239例(93.36%),GT型共17例(6.64%),正常儿童则全部为GG型;miR-125a-5p的表达水平依次为正常脑组织>GG型脑组织>GT型脑组织。结论儿童髓母细胞瘤患者中miR-125a-5P的rsl2975333位点基因变异可能促进肿瘤恶变。
出处 《广东医学》 CAS 北大核心 2015年第4期541-542,共2页 Guangdong Medical Journal
基金 天津市滨海新区医药卫生局科技项目(编号:2012BWKZ003)
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