Efficient Generation of hiPSC Neural Lineage Specific Knockin Reporters Using the CRISPR/Cas9 and Cas9 Double Nickase System

作者： Shenglan Li*1,2, Haipeng Xue*1,2, Bo Long1,2,5, Li Sun1,2,6, Tai Truong1,2,4,7, Ying Liu1,2,3 1Department of Neurosurgery,The University of Texas Health Science Center at Houston, 2Center for Stem Cell and Regenerative Medicine, Brown Foundation Institute of Molecular Medicine,The University of Texas Health Science Center at Houston, 3The Senator Lloyd & B. A. Bentsen Center for Stroke Research, Brown Foundation Institute of Molecular Medicine,The University of Texas Health Science Center at Houston, 4Summer Research Program, Office of Educational Programs,The University of Texas Health Science Center at Houston, 5Department of Anesthesiology,Shengjing Hospital, China Medical University, 6Department of Oncology, Renji Hospital,Shanghai Jiaotong University School of Medicine, 7Biology Department,University of West Georgia

简介：

Overview

This study presents a protocol for generating lineage-specific human induced pluripotent stem cell (hiPSC) knockin reporters using the CRISPR/Cas9 system. The method enhances gene targeting efficiency through homologous recombination.

Key Study Components

Area of Science

• Neuroscience
• Stem Cell Biology
• Gene Editing

Background

• CRISPR/Cas9 is a revolutionary tool for genome editing.
• hiPSCs are valuable for studying human development and disease.
• Lineage-specific reporters are essential for tracking cell fate.
• Homologous recombination improves the precision of gene targeting.

Purpose of Study

• To develop a reliable method for creating lineage-specific hiPSC reporters.
• To utilize CRISPR/Cas9 for efficient gene editing in hiPSCs.
• To facilitate the study of neural lineage differentiation.

Methods Used

• Design and construct targeting vectors for gene editing.
• Create single guide RNAs for the CRISPR/Cas9 system.
• Cotransfect hiPSCs with guide RNAs and Cas9 expression vectors.
• Evaluate gene editing efficiency using T7 endonuclease I assay.

Main Results

• Successful generation of lineage-specific hiPSC knockin reporters.
• Demonstrated high efficiency of CRISPR/Cas9-mediated homologous recombination.
• Identified potential off-target sites through in silico analysis.
• Established neural lineage reporter cell lines for future studies.

Conclusions

• The CRISPR/Cas9 system is effective for generating hiPSC reporters.
• This method can advance research in neural development and disease.
• Future applications may include studying gene function in neural lineages.

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