Development of microfluid cell electro-fusion chip and its application in somatic cell reprogramming

吴畏; 徐海伟; 屈娅; 张小玲; 胡宁; 阴正勤

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Development of microfluid cell electro-fusion chip and its application in somatic cell reprogramming

更新时间：2026-01-09

- Development of microfluid cell electro-fusion chip and its application in somatic cell reprogramming
- Journal of Army Medical University Vol. 35, Issue 1, Pages: 29-33(2013)
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  CLC： Q319;R394-33;R394.3
- Published：2013
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吴畏,徐海伟,屈娅,张小玲,胡宁,阴正勤.微流控电融合芯片的研制及其在体细胞重编程中的应用[J].陆军军医大学学报(原第三军医大学学报),2013,35(01):29-33.

　Wu Wei,Xu Haiwei,Qu Ya,Zhang Xiaoling,Hu Ning,Yin Zhengqin.Development of microfluid cell electro-fusion chip and its application in somatic cell reprogramming[J].J Amry Med Univ (J Third Mil Med Univ),2013,35(01):29-33.
吴畏,徐海伟,屈娅,张小玲,胡宁,阴正勤.微流控电融合芯片的研制及其在体细胞重编程中的应用[J].陆军军医大学学报(原第三军医大学学报),2013,35(01):29-33. DOI：

　Wu Wei,Xu Haiwei,Qu Ya,Zhang Xiaoling,Hu Ning,Yin Zhengqin.Development of microfluid cell electro-fusion chip and its application in somatic cell reprogramming[J].J Amry Med Univ (J Third Mil Med Univ),2013,35(01):29-33. DOI：

摘要

目的开发高通量的细胞电融合平台，并通过此平台将小鼠胚胎干细胞（mouse embryonic stem cells

mESCs）与体细胞融合，探讨融合细胞的多能性。方法本实验室自主研发微流控芯片，将转染了绿色荧光的mESCs与转染了红色荧光的NIH3T3细胞进行电融合，并计算其排队率与融合率。通过流式细胞仪筛选出表达两种荧光的融合细胞，观察融合细胞的表型。RT-PCR检测NIH3T3、mESC以及融合细胞的多能性基因（Nanog、OCT4、SOX2和LIN28）mRNA的表达水平。结果自主研发了微流控芯片，构建了高通量的细胞电融合平台，通过此平台将mESCs与NIH3T3进行电融合，其排队率为（44.35±10.99）%，融合率为（59.88±20.03）%，融合细胞可形成类似于ESC样的克隆。RT-PCR法结果显示mESC和融合细胞均表达多能性基因Nanog、OCT4、SOX2和LIN28 mRNA，而NIH3T3不表达。结论通过自主研发的微流控芯片，可实现mESCs与NIH3T3的高效融合，使体细胞重编程为多能性干细胞。

Abstract

Objective To establish a high throughput cell electro-fusion platform

by which to fuse mouse embryonic stem cells (mESCs) with somatic cells

and to explore the pluripotency of the fused cells. Methods With the microfluid chip developed by our lab

we fused the mESCs carrying GFP with NIH3T3 cells carrying RFP

and explored the aligment efficiency and electro-fusion efficiency. The fused cells were sorted by flow cytometery (FACS) and observed under a microscope. The mRNA levels of Nanog

Oct4

Sox2 and Lin28 in the three types of cells were detected by RT-PCR. Results A high throughput cell electro-fusion platform was developed. The aligment and electro-fusion efficiencies of mESCs and NIH3T3 fused cells were (44.35±10.99)% and (59.88±20.03)%

respectively. The fused cells can form embryonic stem cell-like clones. The RT-PCR results showed mESCs and fused cells rather than NIH3T3 cells could express Nanog

Oct4

Sox2 and Lin28. Conclusion Using the microfluid chip developed by our lab

the mESCs and NIH3T3 cells can be fused efficiently to reprogram somatic cells as pluripotent stem cells.

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