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miRNA在HBV从感染经由肝硬化到肝癌进程中表达谱的变化

World Chinese Journal of Digestology(2009)

Cited 28|Views16
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Abstract
目的:分析微小RNA(microRNA,miRNA)在HBV感染到肝硬化再到肝癌进程中表达谱的变化.方法:利用miRNA芯片技术检测人正常肝脏、乙型肝炎肝硬化、HBV相关性肝癌组织中miRNA表达谱的差异.实时定量PCR检测上述3种肝脏组织中芯片结果差异性表达的miRNA,验证芯片结果的可信性.结果:与正常肝脏组织相比,乙型肝炎肝硬化和HBV相关性肝癌组织中表达上调超过2倍的microRNA有6个,分别为:hsa-miR-602、hsa-miR-129-5p、has-miR-210、hsa-miR-671-5p、hsa-miR-30b*及hsa-miR-572;表达下调超过2倍的miRNA有8个:hsa-miR-143、hsa-miR-199a-5p、has-miR-195、hsa-miR-27a、hsa-miR-99a、hsa-miR-519e、has-miR-130a及hsa-miR-597.这些正常肝脏组织相比有差异表达的miRNA,在乙型肝炎肝硬化和HBV相关性肝癌组织中表达量无明显差别.结论:从HBV感染到肝硬化再到肝癌进程中伴有microRNA表达谱的变化,且变化主要发生在进程早期.
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Key words
Hepatitis B virus,MicroRNA,HBV-related hepatocellular carcinoma,MicroRNA microarray
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