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甲状腺乳头状癌BRAF基因突变与临床病理特征间的关系及临床意义 被引量:15

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摘要 目的探讨中国甲状腺乳头状癌患者鼠类肉瘤滤过性毒菌(v-Raf)致癌同源体B1(BRAF)基因V600E点突变与其临床病理特征之间的关系及对临床的指导意义。方法采用多重突变等位基因PCR方法检测187例甲状腺乳头状癌石蜡包埋组织BRAF基因V600E点突变。利用BRAF基因V600E突变型甲状腺乳头状癌细胞系K1和BRAF基因野生型甲状腺乳头状癌细胞系RO82-W-1进行灵敏度检测。结果多重突变等位基因PCR方法可检测最低达1%含量的BRAF基因V600E突变。甲状腺乳头状癌样本检测发现BRAF基因V600E突变率为63.64%(119/187),在甲状腺良性病变中均未检测到BRAF基因V600E突变。单因素分析显示,BRAF基因V600E突变与甲状腺乳头状癌患者年龄(≥45岁)、肿瘤分期和预后有关(P<0.05);BRAF基因V600E突变在仅有中央区淋巴结转移组(49.32%)与中央区及颈侧区均有转移组(75.34%)的分布差异具有统计学意义(P<0.05);多因素回归分析显示,BRAF基因V600E突变(OR=2.471,95%CI:1.149~5.312)和颈淋巴结转移(OR=0.333,95%CI:0.114~0.973)是肿瘤远处转移/复发的独立因素(P<0.05)。结论 BRAF基因V600E突变与甲状腺乳头状癌发生年龄、肿瘤分期相关,是判断甲状腺乳头状癌预后的独立因素。
出处 《四川大学学报(医学版)》 CAS CSCD 北大核心 2013年第4期662-665,共4页 Journal of Sichuan University(Medical Sciences)
基金 四川省科技厅项目(No.2011SZ0147)资助
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参考文献18

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二级参考文献15

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