人胎盘基因表达谱芯片的初步研究

Di 1 jun yi da xue xue bao = Academic journal of the first medical college of PLA(2002)

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Abstract
目的制备人胎盘基因表达谱芯片,并用于基因差异表达分析.方法用基因芯片点样仪将胎盘基因文库探针打印在氨基包被的玻片上制备表达谱芯片.分别提取对照组与三氧化二砷处理的K562细胞总RNA,纯化mRNA后反转录成cDNA.再以限制性显示技术进行荧光标记,将两组荧光标记的样品混合后与芯片进行杂交.杂交后清洗芯片,干燥后对芯片进行扫描,分析杂交结果.结果建立了较可靠的制备与检测基因表达谱芯片的方法,并筛选出45个差异表达基因片段.结论制备的人胎盘基因表达谱芯片可有效地应用于基因的差异表达分析.
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Key words
dna microarray,placenta,gene expression
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