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乳腺癌组织中syk基因的表达及其临床病理意义 被引量:5

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摘要 目的探讨syk基因在人乳腺癌组织中及其乳腺癌细胞株中的表达及其生物学意义。方法采用荧光定量PCR方法和免疫组织化学方法分别检测乳腺癌细胞株MCF-7、MDA-MB-231、人乳腺癌癌组织和配对癌旁正常乳腺组织中sykmRNA与蛋白表达及其临床病理特征的关系。结果乳腺癌细胞株MCF-7中SYK蛋白表达为阳性;MDA-MB-231的SYK蛋白为阴性;乳腺癌组织、正常乳腺组织sykmRNA表达阳性率分别为63.3%(19/30)、93.3%(28/30)。乳腺癌癌组织sykmRNA的平均水平〔(6.17±0.0.65)×104〕明显低于配对的癌旁乳腺组织〔(80.37±0.125)×104〕(P<0.01)。SYK蛋白在乳腺癌、癌旁正常组织表达阳性率分别为60%(18/30)、90%(27/30)(P<0.01)。SYK表达下调与乳腺癌淋巴结转移和临床TNM分期显著相关(P<0.05),而与肿瘤的大小、病例分级、ER和PR状况无关(P>0.05)。结论SYK基因低表达或缺失与肿瘤的浸润、转移有关。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2006年第10期1319-1321,共3页 Chinese Journal of Gerontology
基金 河北省科技厅科技攻关项目(05276101D-59)
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参考文献11

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