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Search / Korean Journal of Chemical Engineering
Korean Chemical Engineering Research,
Vol.57, No.6, 898-906, 2019
전기천공시스템에서 Propidium Iodide와 Yo-Pro-1의 농도에 따른 세포 생존율과 전달효율 평가
Evaluation of Cell Viability and Delivery Efficiency in Electroporation System According to the Concentrations of Propidium Iodide and Yo-Pro-1
배서준, 임도진
본 연구에서는 전기천공시스템에서 형광 염료를 사용한 세포 생존율 평가와 형광 염료를 전달 물질로 하여 세포 내부로의 전달 효율 평가를 통해 세포의 생존율과 전달 물질의 전달 효율 평가에 사용하기 적합한 형광 염료의 선정 및 사용에 적절한 농도에 대한 가이드라인을 제시 할 수 있는 기초 연구를 수행하였다. 형광 염료로는 Propidium Iodide와 Yo-Pro-1을 사용하였다. Propidium Iodide과 Yo-Pro-1을 사용한 세포 생존율 평가와 전달 효율의 평가에서 각 형광염료의 유세포 분석 히스토그램의 모양은 형광 염료의 종류와 사용한 농도에 따라 다른 것을 확인하였다. 이는 사용하는 형광 염료의 특성과 연관이 있는 것으로 이 결과를 통해 세포 분석에 사용하는 형광 염료의 특성에 따라 분석 결과가 달라지는 것을 알 수 있었다. 형광 염료 자체가 세포 생존률에 미치는 영향은 크지 않음을 확인하였다. 또한 두종류 이상의 형광 염료를 사용하여 분석을 하는 경우 발생할 수 있는 형광 신호 간의 간섭 영향을 확인하였다. 간섭의 영향은 Yo-Pro-1의 농도가 높을수록 큰 것으로 확인되었으며 Propidium Iodide의 농도는 형광 신호의 간섭에 큰 영향을 미치지 않음을 확인하였다. 본 연구를 통해 형광 염료의 종류와 농도에 따라 세포 생존율 평가와 전달 효율의 평가 결과가 영향을 받는 것을 확인했으며 이는 형광 염료의 특성과 연관이 있는 것으로 판단된다. 또한, 본 연구 결과를 토대로 세포 생존율 평가와 전달 효율 평가에 적절한 형광 염료의 선정과 사용에 적절한 농도를 제시하였다.
In this study, basic research was conducted to provide guidelines for selecting fluorescent dye and using proper concentration of fluorescent dye to use evaluation of cell viability and fluorescent dye delivery efficiency. Propidium iodide and Yo-Pro-1 were used as fluorescent dyes. In the evaluation of cell viability and the efficiency of delivery using Propidium Iodide and Yo-Pro-1, the histogram of each fluorescent dye was different depending on the type of fluorescent dye and the concentration used. These results were related to the characteristics of the fluorescent dyes used. This was related to the properties of the fluorescent dyes used. From these results, it was found that the analytical results depending on the characteristics of the fluorescent dyes used in the cell analysis. The effect of the fluorescent dye on the cell was confirmed, but it was confirmed that it did not affect the analysis result. In addition, the influence of interference between fluorescent signals was confirmed when two or more kinds of fluorescent dyes were used for analysis. The higher the concentration of Yo-Pro-1 was, the larger the effect of interference was, and the concentration of Propidium Iodide did not affect the interference of fluorescence signal. This study confirmed that the evaluation of the cell viability and the evaluation of the delivery efficiency were influenced by the type and concentration of the fluorescent dyes and it was related to the characteristics of the fluorescent dyes. Based on the results, appropriate concentrations of fluorescent dyes suitable for evaluation of cell viability and delivery efficiency were suggested.
Keywords: Fluorescent dye; Propidium Iodide; Yo-Pro-1; Cell viability; Delivery efficiency; Electroporation
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[Cited By]
  1. Bae SJ, Im DJ, Korean Chemical Engineering Research, 58(3), 450, 2020
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