中国畜牧兽医 ›› 2020, Vol. 47 ›› Issue (12): 3825-3832.doi: 10.16431/j.cnki.1671-7236.2020.12.004

• 生物技术 • 上一篇    下一篇

UCP3和MYH1基因启动子在C2C12和3T3-L1细胞中的启动活性分析

陈伟1,2, 许厚强1,2, 陈祥1,2, 覃海1,2, 吴雨1,2, 黄明捷1,2, 卢贤君1,2   

  1. 1. 贵州大学动物科学学院, 高原山地动物遗传育种与繁殖教育部重点实验室, 贵阳 550025;
    2. 贵州省动物遗传育种与繁殖重点实验室, 贵阳 550025
  • 收稿日期:2020-02-23 出版日期:2020-12-20 发布日期:2020-12-18
  • 通讯作者: 许厚强 E-mail:gzdxxhq@163.com
  • 作者简介:陈伟(1980-),女,锡伯族,内蒙古通辽人,博士,研究方向:遗传学,E-mail:chenweigzu@163.com
  • 基金资助:
    国家自然科学基金(31401054);贵州省农业领域重点项目(黔科合NY[2015]3002);贵州省重大专项(黔科合重大专项字[2013]6008号)

Promoters Activity Analysis of UCP3 and MYH1 Genes of Cattle in C2C12 and 3T3-L1 Cells

CHEN Wei1,2, XU Houqiang1,2, CHEN Xiang1,2, QIN Hai1,2, WU Yu1,2, HUANG Mingjie1,2, LU Xianjun1,2   

  1. 1. Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, College of Animal Science, Guizhou University, Guiyang 550025, China;
    2. Key Laboratory of Animal Genetics, Breeding and Reproduction in Guizhou, Guiyang 550025, China
  • Received:2020-02-23 Online:2020-12-20 Published:2020-12-18

摘要: 为阐明牛解偶联蛋白3(uncoupling protein 3,UCP3)和肌球蛋白重链1(myosin heavy chain 1,MYH1)基因启动子的核心区及其在小鼠C2C12和3T3-L1两种细胞株中的启动活性,本研究利用PCR、双荧光素酶和脂质体转染等方法进行关岭牛UCP3和MYH1基因启动子的扩增、重组载体构建和启动子活性分析。结果显示,试验成功构建了pGL3-Basic-UCP3-pro和pGL3-Basic-MYH1-pro重组真核表达载体,分别转染至小鼠C2C12和3T3-L1细胞后发现,UCP3、MYH1基因启动子的核心区分别为UCP3-P6(-385~+3 bp)和MYH1-P5(-255~+15 bp)区域;pGL3-Basic-MYH1-P2~pGL3-Basic-MYH1-P5在C2C12细胞中启动子活性均高于3T3-L1细胞,表明MYH1基因启动子活性在成肌细胞C2C12中较高。本研究阐明了UCP3和MYH1基因启动子的核心区及其启动子活性,为进一步研究UCP3和MYH1基因的转录调控机理提供了科学依据。

关键词: 牛; UCP3基因; MYH1基因; 启动子; C2C12细胞; 3T3-L1细胞

Abstract: To confirmed the core regions of uncoupling protein 3 (UCP3) and myosin heavy chain 1 (MYH1) genes promoter and the promoter activity in C2C12 and 3T3-L1 cells,PCR,double luciferase and liposome transfection methods were used to amplify of the promoter of UCP3 and MYH1 genes,construct recombinant vectors,and analyze promoter activity in this study.The results showed that pGL3-Basic-UCP3-pro and pGL3-Basic-MYH1-pro were successfully constructed and transfected into C2C12 and 3T3-L1 cells,respectively.The core promoter region of UCP3 and MYH1 genes were UCP3-P6 (-385 to +3 bp) and MYH1-P5 (-255 to +15 bp),respectively.The promoter activity of pGL3-Basic-MYH1-P2 to pGL3-Basic-MYH1-P5 in C2C12 cells were higher than that in 3T3-L1 cells,indicating that the promoter activity of MYH1 gene in C2C12 cells was higher.This study clarified the core region and promoter activity of UCP3 and MYH1 genes promters,provided a scientific basis for further study on the transcriptional regulation mechanism of UCP3 and MYH1 genes.

Key words: cattle; UCP3 gene; MYH1 gene; promoter; C2C12 cells; 3T3-L1 cells

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