简介：
Overview
This article presents a protocol for CRISPR/Cas9 ribonucleoprotein-mediated gene editing in mammalian cells using tube electroporation. This novel method enhances cellular survival and gene editing rates while being free from viruses and drugs.
Key Study Components
Area of Science
- Gene editing
- CRISPR/Cas9 technology
- Cell biology
Background
- Efficient delivery of Cas9 elements is crucial for gene editing.
- Tube electroporation is a new method that improves delivery efficiency.
- The method is applicable to various cell types, including human iPSCs and rabbit fibroblasts.
- High survival rates and gene editing efficiency are essential for clinical applications.
Purpose of Study
- To demonstrate a novel tube electroporation method for gene editing.
- To achieve high editing rates in mammalian cells.
- To provide a protocol that is free from viral and drug interventions.
Methods Used
- Preparation of human iPSCs and rabbit fibroblast cultures.
- Transfection using Cas9 RNP and donor oligonucleotides.
- Electroporation using a specific tube method.
- Assessment of gene editing efficiency through sequencing.
Main Results
- Successful delivery of CRISPR/Cas9 components to various cell types.
- High rates of precise gene editing in targeted loci.
- Demonstrated mutations in IL2RG and SPR genes in rabbit fibroblasts.
- Editing efficiency in human iPSCs at clinically relevant loci.
Conclusions
- Tube electroporation is an effective method for gene editing.
- The method allows for high cellular survival and editing rates.
- It is suitable for clinical applications due to its efficiency and safety.
What is tube electroporation?
Tube electroporation is a novel method for delivering CRISPR/Cas9 components into cells, enhancing gene editing efficiency.
What cell types can be edited using this method?
The method is applicable to various cell types, including human iPSCs and rabbit fibroblasts.
What are the advantages of using Cas9 RNP?
Cas9 RNP is preferred due to its smaller size compared to plasmid DNA, leading to more efficient gene editing.
How is gene editing efficiency measured?
Gene editing efficiency is assessed through bacterial colony sequencing and deep sequencing of PCR products.
What mutations were successfully introduced in this study?
Mutations in the IL2RG and SPR genes were successfully introduced in rabbit fibroblast cells.
Is this method safe for clinical applications?
Yes, the tube electroporation method is virus, drug, and reporter enrichment free, making it suitable for clinical use.
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