目的构建和表达DLC-1(deleted in liver cancer)基因重组质粒。方法用PCR法得到DLC-1基因片段,此基因片段带有XbaⅠ和BamHⅠ两个酶切位点,然后将此片段和真核表达载体pcDNA3.1连接,转化大肠杆菌DH5a,利用脂质体介导将pcDNA3.1/DLC-1重...目的构建和表达DLC-1(deleted in liver cancer)基因重组质粒。方法用PCR法得到DLC-1基因片段,此基因片段带有XbaⅠ和BamHⅠ两个酶切位点,然后将此片段和真核表达载体pcDNA3.1连接,转化大肠杆菌DH5a,利用脂质体介导将pcDNA3.1/DLC-1重组质粒转染到结肠癌HT-29细胞中,再用RT-PCR法检测重组质粒的表达。结果重组质粒经XbaⅠ和BamHⅠ双酶切和测序与DLC-1基因序列一致;利用脂质体介导将pcDNA3.1/DLC-1重组质粒导入HT-29细胞,获得了DLC-1基因的表达。结论成功构建pcDNA3.1/DLC-1重组质粒并在HT-29细胞内表达。展开更多
文摘目的构建和表达DLC-1(deleted in liver cancer)基因重组质粒。方法用PCR法得到DLC-1基因片段,此基因片段带有XbaⅠ和BamHⅠ两个酶切位点,然后将此片段和真核表达载体pcDNA3.1连接,转化大肠杆菌DH5a,利用脂质体介导将pcDNA3.1/DLC-1重组质粒转染到结肠癌HT-29细胞中,再用RT-PCR法检测重组质粒的表达。结果重组质粒经XbaⅠ和BamHⅠ双酶切和测序与DLC-1基因序列一致;利用脂质体介导将pcDNA3.1/DLC-1重组质粒导入HT-29细胞,获得了DLC-1基因的表达。结论成功构建pcDNA3.1/DLC-1重组质粒并在HT-29细胞内表达。