Evil comes to us by ells and goes away by inches.

罪恶来时,尺进寸退.

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RESULTS: The three plasmids were effectively transferred into 293 T c ells.

结果: 表达慢病毒的3种质粒可高效转染入293T细胞.

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ObjectiveTo study the effects of wild - type PTEN gene on the invasion ability of glioma c ells.

目的　观察转入野生型PTEN基因 的胶质瘤细胞体外侵袭力改变,探索PTEN基因对胶质瘤细胞影响方式.

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The human fetal liver is a source of hematopoietic a nd immune s tem c ells.

表明肝脏可能是血气发生之所,而现代研究发现4～6月孕龄人胎肝不仅担负着物质代谢、蛋白质分泌等部分成熟肝脏的功能,还是胚胎重要的造血器官,造血、免疫系统干祖细胞的主要来源.

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