Efficient Gene Editing of Human Induced Pluripotent Stem Cells Using CRISPR/Cas9

Area of Science:

• Stem cell biology
• Gene editing technologies
• Molecular genetics

Background:

• Targeted gene mutation is essential for understanding gene function and disease mechanisms.
• Human induced pluripotent stem cells (iPSCs) are valuable for regenerative medicine due to their differentiation potential.
• Efficient gene editing in iPSCs is critical for disease modeling and therapeutic development.

Purpose of the Study:

• To provide detailed protocols for generating targeted gene mutants in human iPSCs using CRISPR/Cas9.
• To outline methods for reagent preparation, cell transfection, and genotyping of iPSC clones.
• To present a streamlined approach for creating plasmids for multiplex gene targeting.

Main Methods:

• CRISPR/Cas9 nuclease system for targeted double-strand break induction.
• Preparation of specific reagents for targeting desired gene loci.
• Transfection of iPSCs and subsequent genotyping of single-cell derived clones.
• Plasmid construction for multiplex gene targeting.

Main Results:

• High-efficiency gene editing of target loci in human iPSCs was achieved.
• Comprehensive protocols for CRISPR/Cas9 mediated gene editing in iPSCs are presented.
• A convenient method for generating multiplex gene targeting plasmids was developed.

Conclusions:

• The described protocols facilitate the efficient generation of targeted gene mutants in human iPSCs.
• These methods are crucial for advancing research in gene function, disease modeling, and stem cell-based therapies.
• The developed plasmid generation strategy simplifies complex gene editing experiments.