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摘要:
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目的:研究BRIT1基因在结肠癌组织中mRNA表达水平及其临床意义.方法:采用逆转录聚合酶链反应(RT-PCR),检测了BRIT1基因在40例结肠癌组织及其对应的切缘正常结肠组织中mRNA的表达水平,并分析BRIT1基因表达水平与结肠癌临床病理特征的关系,研究其临床意义.结果:RT-PCR结果显示BRIT1基因在结肠癌组织中的表达较切缘正常结肠组织显著下调(P<0.05).BRIT1 mRNA表达水平与患者年龄、性别、肿瘤大小无明显相关性(P>0.05),但与结肠癌Dukes分期、细胞分化程度及有无淋巴结
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参考文献:
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Evan GI.Vousden KH Proliferation,cell cycle and apoptosis in cancer 2001(6835) Hartwell LH.Weinert TA Checkpoints:controls that ensure the order of cell cycle events 1989(4930) Bartek J Microcephalin guards against small brains,genetic instability,and cancer 2006(2) Chaplet M.Rai R.Jackson-Bernitsas D BRIT1/MCPH1:a guardian of genome and an enemy of tumors 2006(22) Lin SY.Rai R.Li K BRIT1/MCPH1 is a DNA damage responsive protein that regulates the Brca1-Chk1 pathway,implicating checkpoint dysfunction in microcephaly 2005(42) Rai R.Dai H.Multani AS BRIT1 regulates early DNA damage response,chromosomal integrity and cancer 2006(2)
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