膀胱平滑肌细胞乙酰胆碱M3受体干扰RNA慢病毒载体的构建

doi:10.3969/j.issn.1006-7795.2018.03.016

首都医科大学学报 ›› 2018, Vol. 39 ›› Issue (3): 398-403.doi: 10.3969/j.issn.1006-7795.2018.03.016

膀胱平滑肌细胞乙酰胆碱M₃受体干扰RNA慢病毒载体的构建

尚振华, 贾春松, 颜灏, 王巨昆, 王旭, 崔波, 王琦, 欧彤文

首都医科大学宣武医院泌尿外科, 北京 100053

收稿日期:2017-08-28 出版日期:2018-05-21 发布日期:2018-06-11
通讯作者: 欧彤文 E-mail:outongwen1967@126.com
基金资助:
北京市教育委员会科技发展计划面上项目（KM201410025016）。

Construction of small interference RNA lentiviral Vector for M₃ muscarinic acetylcholine receptor gene of bladder smooth muscle cells

Shang Zhenhua, Jia Chunsong, Yan Hao, Wang Jukun, Wang Xu, Cui Bo, Wang Qi, Ou Tongwen

Department of Urology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China

Received:2017-08-28 Online:2018-05-21 Published:2018-06-11
Supported by:
This study was supported by Scientific Research Common Program of Beijing Municipal Commission of Education (KM201410025016).

摘要/Abstract

摘要： 目的构建膀胱平滑肌细胞（bladder smooth muscle cells，BSMCs） M₃型受体干扰RNA慢病毒载体。方法合成4条M₃受体干扰序列，构建GV118-sh-M₃慢病毒载体，测序验证序列。将GV118-sh-M₃慢病毒载体与质粒pHelper1.0、pHelper 2.0三个载体共转染293T细胞，收集病毒颗粒并用荧光法检测4组病毒滴度。体外原代培养BSMCs，4组GV118-sh-M₃慢病毒（KD1、KD2、KD3和KD4）转染BSMCs，观察绿色荧光蛋白表达并通过RT-PCR、Western blotting法检测各组干扰效率。结果成功构建4个GV118-sh-M₃慢病毒载体，测序结果符合设计序列。4组GV118-sh-M₃慢病毒滴度分别为2×10⁸、6×10⁸、5×10⁸和5×10⁸ TU/mL。分别转染BSMCs后，KD1组绿色荧光蛋白表达量最高且干扰效率最高。结论成功包装并筛选了GV118-sh-M₃慢病毒载体，为后续进一步研究干扰M₃受体在神经源性膀胱中的作用奠定了基础。

关键词: 神经源性膀胱, M₃型乙酰胆碱受体, 慢病毒载体, RNA干扰

Abstract: Objective To construct M₃ acetylcholine receptor gene interference RNA lentiviral vectors for bladder smooth muscle cells.Methods Four pairs of small interference RNA (siRNA) sequence for M₃ muscarinic acetylcholine receptor gene were synthesized to construct GV118-sh-M₃ lentivirus vectors. DNA sequencing was used to identify the sequence. GV118-sh-M₃ lentivirus vectors were cotransfected with pHelper 1.0 and pHelper 2.0 vectors into 293T cells. We harvested the viral particles and assayed the titer of lentivirus by fluorescence. BSMCs were primary cultured in vitro and transfected by lentivirus of four groups (KD1, KD2, KD 3 and KD4). Fluorescence expression was observed and the expression levels of M₃ gene in BSMCs of groups were assessed by RT-PCR and Western blotting was used to calculate interference efficiency.Results Four GV118-sh-M₃ lentivirus vectors were successfully constructed and the sequencing results were consistent with sequence of the design. Viral particles of groups were harvested with titer of 2×10⁸, 6×10⁸, 5×10⁸ and 5×10⁸ TU/mL, respectively. KD1 group was with the highest fluorescent expression and interference efficiency.Conclusion The GV118-sh-M₃ interference lentivirus vector was successfully constructed and selected, which may lay a foundation for further study on the study of M₃ muscarinic acetylcholine receptor gene interference in treating neurogenic bladder.

Key words: neurogenic bladder, M₃ muscarinic acetylcholine receptor, lentiviral vector, RNA interference

中图分类号:

R694⁺.5

尚振华, 贾春松, 颜灏, 王巨昆, 王旭, 崔波, 王琦, 欧彤文. 膀胱平滑肌细胞乙酰胆碱M₃受体干扰RNA慢病毒载体的构建[J]. 首都医科大学学报, 2018, 39(3): 398-403.

Shang Zhenhua, Jia Chunsong, Yan Hao, Wang Jukun, Wang Xu, Cui Bo, Wang Qi, Ou Tongwen. Construction of small interference RNA lentiviral Vector for M₃ muscarinic acetylcholine receptor gene of bladder smooth muscle cells[J]. Journal of Capital Medical University, 2018, 39(3): 398-403.

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膀胱平滑肌细胞乙酰胆碱M₃受体干扰RNA慢病毒载体的构建

Construction of small interference RNA lentiviral Vector for M₃ muscarinic acetylcholine receptor gene of bladder smooth muscle cells

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