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The Fabrication and Operation of a Continuous Flow, Micro-Electroporation System with Permeabilization Detection
Published on: January 7, 2022
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A Novel Electroporation System for Living Cell Staining and Membrane Dynamics Interrogation
Yuanjun Zhang1, Zishen Yan1, Xingyu Xia1
1HKU-Shenzhen Institute of Research and Innovation (HKU-SIRI), Guangdong 518057, China.
Micromachines
|August 16, 2020
Summary
A new electroporation system precisely controls cell membrane pores for rapid cell transfection and staining. This platform enables detailed studies of cell adhesion and migration dynamics, offering advantages over traditional methods.
Area of Science:
- Biophysics
- Cell Biology
Background:
- Electroporation is a key technique for manipulating cell membranes.
- Existing methods lack precise spatial and temporal control, limiting detailed cellular studies.
Purpose of the Study:
- To develop a novel electroporation system for controlled membrane pore induction.
- To investigate cell membrane dynamics, electrotransfection, and live cell staining.
- To study the roles of vinculin and F-actin in cell adhesion and migration.
Main Methods:
- Developed a novel, low-voltage electroporation system with spatial and temporal control.
- Induced reversible and irreversible electroporation, observing nano-sized pore self-sealing.
- Successfully delivered green fluorescent protein-vinculin plasmid and phalloidin into fibroblast cells.
Main Results:
- Demonstrated controllable induction of reversible and irreversible electroporation.
- Observed self-sealing of nano-pores within approximately 10 minutes.
- Enabled simultaneous monitoring of vinculin and F-actin dynamics in cell adhesion and migration.
Conclusions:
- The novel electroporation system offers precise cellular manipulation and real-time monitoring.
- It provides advantages in speed, control, and low-voltage operation compared to conventional methods.
- This platform has potential applications in various biophysical studies and cell dynamics research.
