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受全反式维甲酸调节的人肺腺癌细胞系cDNA片段RAa7的克隆 被引量:3

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摘要 为鉴定全反式维甲酸(ATRA)诱导的人肺癌细胞分化与凋亡相关基因,采用mRNA差异显示的方法对全反式维甲酸处理前后的人肺腺癌细胞系GLC82的mRNA表达模式进行了分析,并获得了一个受ATRA转录上调的cDNA片段RAa7。核酸序列分析表明RAa7是未曾报道过的新序列。Northern杂交结果显示RAa7可能是一个组织特异性表达的基因,其主要转录本约1.4kb。在全反式维甲酸和N-(4-羟苯)维甲酰胺(4HPR)诱导的其他几种肺癌细胞的分化与凋亡过程中RAa7基因呈降调节。该基因的升或降调节可能都参与了细胞分化或凋亡的过程。
出处 《自然科学进展(国家重点实验室通讯)》 1999年第11期1004-1008,共5页
基金 国家攀登计划 国家"八六三"高科技资助项目
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