生物技术通报 ›› 2019, Vol. 35 ›› Issue (4): 64-68.doi: 10.13560/j.cnki.biotech.bull.1985.2018-0675

• 研究报告 • 上一篇    下一篇

乙二醇对体内外源基因表达的作用研究

王棋文1, 李盼1, 潘翠云1, 韩芬霞2   

  1. 1. 河南师范大学生命科学学院 省部共建细胞分化调控国家重点实验室培育基地,新乡 453007;
    2. 河南科技学院动物科技学院,新乡 453003
  • 收稿日期:2018-07-25 出版日期:2019-04-26 发布日期:2019-05-05
  • 作者简介:王棋文,男,博士,讲师,研究方向:细胞生物学;E-mail:wangqiwen@htu.edu.cn
  • 基金资助:
    河南省高等学校重点科研项目计划(19A180019,15A230001),河南师范大学国家级科研项目培育基金项目(2016PL21)

Effect of Ethylene Glycol on the Expression of Exogenous Genes in Vivo

WANG Qi-wen1, LI Pan1, Pan Cui-yun1, HAN Fen-xia2   

  1. 1. State Key Laboratory Cultivation Base for Cell Differentiation Regulation,College of Life Science,Henan Normal University,Xinxiang 453007;
    2. College of Animal Science and Veterinary Medicine,Henan Institute of Science and Technology,Xinxiang 453003
  • Received:2018-07-25 Published:2019-04-26 Online:2019-05-05

摘要: 探索在液压转基因中乙二醇对小鼠肝脏外源基因表达的影响。以小鼠液压转基因的条件从小鼠尾静脉注射含不同浓度乙二醇的 pEGFP-C1 质粒溶液,分别在尾静脉注射后24 h、48 h和72 h 取小鼠肝脏右叶制冷冻切片,在波长488 nm的荧光显微镜下观察,统计绿色荧光蛋白表达率;同时进行苏木素染色,进行小鼠肝脏形态结构观察。结果显示,乙二醇浓度在0.05 mol/L-0.5 mol/L 范围内,转基因后24 h时随着乙二醇浓度升高,绿色荧光蛋白阳性细胞率呈降低趋势;72 h 时绿色荧光蛋白阳性细胞率随着乙二醇浓度升高而升高,且在 72 h乙二醇浓度为 0.5 mol/L 时阳性细胞率较高。乙二醇在液压转基因中能调节外源基因的表达,使表达高峰向后推移。

关键词: 小鼠, 液压转基因, pEGFP-C1, 乙二醇

Abstract: This work aims to explore the effect of ethylene glycol on the expression of exogenous genes in mouse liver in hydrodynamics-based transgene. The pEGFP-C1 plasmid solution containing different concentrations of ethylene glycol was injected into the tail vein of mice by hydrodynamics-based transgene. The frozen slices of the right lobe of the mice liver were taken at 24 h,48 h and 72 h after the tail vein injection,and were observed with a fluorescence microscope at 488 nm excitation wavelength and the green fluorescent protein(GFP)expression was quantified. At the same time,hematoxylin staining was also carried out and the morphology of the mouse liver was observed. The positive cell rate of GFP at 24 h after transgenic tended to decrease with the increase of ethylene glycol concentration when the concentration of ethylene glycol ranged in 0.05-0.5 mol/L;while the positive cell rate of GFP at 72 h increased with the concentration of ethylene glycol,and was quite high at concentration of ethylene glycol of 0.5 mol/L. In conclusion,ethylene glycol may regulate the expression of exogenous genes in hydrodynamics-based transgene,and the expression peaks shift backwards.

Key words: mice, hydrodynamics-based transgene, pEGFP-C1, ethylene glycol