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当前位置: 首页 > 文章 > FDFT1基因shRNA和过表达载体的构建及在牛胎儿成纤维细胞中的验证 中国兽医学报 2018 (5) 1045-1050
Position: Home > Articles > Construction of overexpression shRNA vectors of FDFT1 gene and its verification in bovine fetal fibroblasts Chinese Journal of Veterinary Science 2018 (5) 1045-1050

FDFT1基因shRNA和过表达载体的构建及在牛胎儿成纤维细胞中的验证

作  者：
东雪;单雪松;房希碧;高一;姜平;赵子骄;肖航;赵志辉
单  位：
吉林大学动物科学学院;吉林农业大学动物科学技术学院;广东海洋大学农学院
关键词：
牛胎儿成纤维细胞;胆固醇代谢;脂质代谢;FDFT1
摘  要：
构建了带有绿色荧光标记的法尼基二磷酸法尼基转移酶1(farnesyl-diphosphate farnesyltransferase 1,FDFT1)基因shRNA干扰载体以及过表达载体,将其转染牛胎儿成纤维细胞(bovine fetal fibroblasts,BFF),采用荧光定量PCR和Western blot的方法,检测FDFT1基因mRNA和蛋白的表达水平,在细胞水平验证了shRNA干扰载体的干扰效率和过表达载体的有效性。结果显示:shRNA组FDFT1-Bos-520的FDFT1基因mRNA表达水平降低至shRNA NC组的40.7%(P<0.01),蛋白质表达水平降低至shRNA NC组的39.61%(P<0.01);而FDFT1基因pBI-CMV3-FDFT1过表达组FDFT1基因mRNA的表达水平为pBI-CMV3空载体组的137.9倍(P<0.01),蛋白表达水平升高至空载体组的2.34倍(P<0.01)。本试验通过荧光定量PCR和Western blot的检测方法验证了FDFT1基因过表达载体及干扰载体转染BFF后,FDFT1基因表达量的变化,为进一步研究FDFT1基因对胆固醇代谢和脂质代谢的影响和作用机制提供了实验材料及分子依据。
译  名：
Construction of overexpression shRNA vectors of FDFT1 gene and its verification in bovine fetal fibroblasts
作  者：
DONG Xue;SHAN Xue-song;FANG Xi-bi;GAO Yi;JIANG Ping;ZHAO Zi-jiao;XIAO Hang;ZHAO Zhi-hui;College of Agriculture,Guangdong Ocean University;College of Animal Science and Technology,Jilin Agricultural University;College of Animal Science,Jilin University;
关键词：
bovine fetal fibroblasts;;cholesterol metabolism;;lipid metabolism;;FDFT1
摘  要：
FDFT1 gene(farnesyl-diphosphate farnesyltransferase 1)is an important gene in the metabolic pathway of cholesterol.To understanding the function of FDFT1 in cholesterol metabolism and lipid metabolism overexpression vectors of FDFT1 gene and shRNA vector with green fluorescent protein(GFP)were constructed transferred into bovine fetal fibroblasts(BFF)and detected the expression levels of mRNA and protein.The result showed that compared with shRNA NC group expression levels of mRNA in shRNA group were downregulated 40.7%(P<0.01)and protein were downregulated by 39.61%(P <0.01);in pBI-CMV3-FDFT1 overexpression group expression levels of mRNA were upregulated by 137.9 times more than pBI-CMV3(P<0.01)and protein were only 2.34 times(P<0.01).This study detected the mRNA and protein expression levels by RT-PCR and western blot after transfection and verified the effectiveness of shRNA and overexpression vectors of bovine FDFT1 gene and provided an molecular basis for further study of FDFT1 in cholesterol metabolism and lipid metabolism.

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