人U6启动子表达载体的构建及在胃癌细胞中的活性鉴定
目的构建人U6(hU6)snRNA启动子驱动的小RNA分子的表达载体,并在人胃低分化腺癌SGC-7901细胞中鉴定其表达外源性小RNA分子的活性。方法以人基因组DNA为模板,用PCR方法扩增hU6 snRNA启动子序列,并将其克隆入PUC19载体中,命名为PUC-h U6—extra,经测序证明其序列的正确性;用脂质体法转染SGC-7901细胞;用RT—PCR检测U6启动子的转录活性,并测定培养细胞的生长曲线。结果hU6 snRNA基因启动子和紧接转录起始点hU6 snRNA的前27个核苷酸被成功地克隆入PUC19质粒载体,重组载体在SGC-7901细胞中能高表达小分子RNA,并且未观察到后者...
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Published in | Xi'an jiao tong da xue xue bao. Journal of Xi'an Jiaotong University (medical sciences). Yi xue ban Vol. 27; no. 6; pp. 525 - 528 |
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Main Author | |
Format | Journal Article |
Language | Chinese |
Published |
西安交通大学医学院,遗传与分子生物学系%西安交通大学医学院,地方病研究所%西安交通大学医学院,组胚学教研室,陕西,西安,710061
2006
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Subjects | |
Online Access | Get full text |
ISSN | 1671-8259 |
DOI | 10.3969/j.issn.1671-8259.2006.06.002 |
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Abstract | 目的构建人U6(hU6)snRNA启动子驱动的小RNA分子的表达载体,并在人胃低分化腺癌SGC-7901细胞中鉴定其表达外源性小RNA分子的活性。方法以人基因组DNA为模板,用PCR方法扩增hU6 snRNA启动子序列,并将其克隆入PUC19载体中,命名为PUC-h U6—extra,经测序证明其序列的正确性;用脂质体法转染SGC-7901细胞;用RT—PCR检测U6启动子的转录活性,并测定培养细胞的生长曲线。结果hU6 snRNA基因启动子和紧接转录起始点hU6 snRNA的前27个核苷酸被成功地克隆入PUC19质粒载体,重组载体在SGC-7901细胞中能高表达小分子RNA,并且未观察到后者对细胞体外增殖的影响。结论成功构建了以hU6 snRNA启动子驱动的、能在人胃低分化腺癌SGC-7901细胞内高效转录小分子RNA的表达质粒PUC-hU6-extra。 |
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AbstractList | 目的构建人U6(hU6)snRNA启动子驱动的小RNA分子的表达载体,并在人胃低分化腺癌SGC-7901细胞中鉴定其表达外源性小RNA分子的活性。方法以人基因组DNA为模板,用PCR方法扩增hU6 snRNA启动子序列,并将其克隆入PUC19载体中,命名为PUC-h U6—extra,经测序证明其序列的正确性;用脂质体法转染SGC-7901细胞;用RT—PCR检测U6启动子的转录活性,并测定培养细胞的生长曲线。结果hU6 snRNA基因启动子和紧接转录起始点hU6 snRNA的前27个核苷酸被成功地克隆入PUC19质粒载体,重组载体在SGC-7901细胞中能高表达小分子RNA,并且未观察到后者对细胞体外增殖的影响。结论成功构建了以hU6 snRNA启动子驱动的、能在人胃低分化腺癌SGC-7901细胞内高效转录小分子RNA的表达质粒PUC-hU6-extra。 Q782; 目的 构建人U6(hU6)snRNA启动子驱动的小RNA分子的表达载体,并在人胃低分化腺癌SGC-7901细胞中鉴定其表达外源性小RNA分子的活性.方法 以人基因组DNA为模板,用PCR方法扩增hU6 snRNA启动子序列,并将其克隆入PUC19载体中,命名为PUC-hU6-extra,经测序证明其序列的正确性;用脂质体法转染SGC-7901细胞;用RT-PCR检测U6启动子的转录活性,并测定培养细胞的生长曲线.结果 hU6 snRNA基因启动子和紧接转录起始点hU6 snRNA的前27个核苷酸被成功地克隆入PUC19质粒载体,重组载体在SGC-7901细胞中能高表达小分子RNA,并且未观察到后者对细胞体外增殖的影响.结论 成功构建了以hU6 snRNA启动子驱动的、能在人胃低分化腺癌SGC-7901细胞内高效转录小分子RNA的表达质粒PUC-hU6-extra. |
Author | 张鹏宇 于杰 谭武红 赵璇 |
AuthorAffiliation | 西安交通大学医学院遗传与分子生物学系,陕西西安710061 西安交通大学医学院地方病研究所,陕西西安710061 西安交通大学医学院组胚学教研室,陕西西安710061 |
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Author_FL | Zhang Pengyu Zhao Xuan Tan Wuhong Yu Jie |
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Snippet | 目的构建人U6(hU6)snRNA启动子驱动的小RNA分子的表达载体,并在人胃低分化腺癌SGC-7901细胞中鉴定其表达外源性小RNA分子的活性。方法以人基因组DNA为模板,用PCR方法扩增hU6 snRNA启动子序列,并将其克隆入PUC19载体中,命名为PUC-h... Q782; 目的 构建人U6(hU6)snRNA启动子驱动的小RNA分子的表达载体,并在人胃低分化腺癌SGC-7901细胞中鉴定其表达外源性小RNA分子的活性.方法 以人基因组DNA为模板,用PCR方法扩增hU6... |
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SubjectTerms | 人U6启动子 胃癌细胞系 载体构建 |
Title | 人U6启动子表达载体的构建及在胃癌细胞中的活性鉴定 |
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