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乳腺癌患者外周血Hmam-mRNA的检测及其临床意义

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摘要 目的:寻找乳腺癌血道微小转移的肿瘤标志物,以利于早期发现乳腺癌的转移。方法:用巢式逆转录聚合酶链反应(Nested-RT-PCR)技术检测83例乳腺癌、20例乳腺良性肿瘤患者及20例健康志愿者外周静脉血、检测40例乳腺癌组织和癌旁正常乳腺组织中的乳腺珠蛋白(Hmam-mRNA)的表达,并分析Hmam-mRNA表达与相关临床指标的关系。结果:Hmam-mRNA在健康志愿者、乳腺良性肿瘤患者外周血中均为阴性;83例乳腺癌患者外周血中Hmam-mRNA表达率为28.9%(24/83),在乳腺癌患者的临床分期Ⅰ、Ⅱ、Ⅲ和Ⅳ中Hmam-mRNA表达率分别为:14.3%(2/14)、21.43%(6/28)、21.05%(4/19)、54.5%(12/22),Ⅳ期乳腺癌患者外周血中Hmam-mRNA的表达率明显高于其他各组(P<0.05),Hmam-mRNA阳性表达与临床期别有一定关系。Hmam-mRNA的表达与患者年龄、原发癌灶大小、病理类型、ER和PR的状态无关(P>0.05)。结论:Hmam-mRNA特异表达于乳腺癌患者的外周血,Hmam-mRNA阳性提示血循环中有乳腺癌细胞,预示着有血源性转移的可能,Hmam-mRNA可能会成为诊断乳腺癌和判断预后的一个独立指标。
出处 《广西医科大学学报》 CAS 北大核心 2007年第2期239-242,共4页 Journal of Guangxi Medical University
基金 广西壮族自治区卫生厅项目基金资助(No.9832)
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