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用基因芯片筛选乳腺癌细胞耐药相关基因

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摘要 目的通过挖掘基因芯片数据,识别可能与乳腺癌细胞耐药相关的基因。方法从基因表达数据库(Gene Expression Omnibus,GEO)中下载编号为GSE28784基因芯片数据,分析乳腺癌敏感细胞系MDA-MB-231/S和多西紫杉醇耐药细胞系MDA-MB-231/Doc中基因表达差异,获得差异表达基因,并对这些基因进行生物信息学分析。结果得到639个表达差异的基因,与敏感细胞系相比,分别有220和419个基因在耐药细胞系中表达下调或上调;这些基因主要参与调控细胞死亡、凋亡、迁移和免疫效应等过程;表皮生长因子受体(EGFR)、JUN、白介素6(IL-6)、蛋白酪氨酸激酶2(PTK2)和多药耐药蛋白1(ABCB1)等已知与耐药相关的基因可能参与了乳腺癌细胞对多西紫杉醇的耐药。结论基因芯片数据的挖掘为进一步研究乳腺癌细胞的耐药机制提供了方向。
出处 《临床检验杂志》 CAS CSCD 2015年第11期877-879,共3页 Chinese Journal of Clinical Laboratory Science
基金 国家自然科学基金面上项目(81272470)
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