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Related Concept Videos

CRISPR01:59

CRISPR

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Genome editing technologies allow scientists to modify an organism’s DNA via the addition, removal, or rearrangement of genetic material at specific genomic locations. These types of techniques could potentially be used to cure genetic disorders such as hemophilia and sickle cell anemia. One popular and widely used DNA-editing research tool that could lead to safe and effective cures for genetic disorders is the CRISPR-Cas9 system. CRISPR-Cas9 stands for Clustered Regularly Interspaced...
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Related Experiment Video

Updated: Jun 27, 2025

Efficient Generation and Editing of Feeder-free IPSCs from Human Pancreatic Cells Using the CRISPR-Cas9 System
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A high efficiency precision genome editing method with CRISPR in iPSCs.

Avinash Singh1, G Dalton Smedley1, Jamee-Grace Rose1

  • 1Department of Neurology, University of Minnesota, Twin Cities, Minneapolis, MN, USA.

Scientific Reports
|April 30, 2024
PubMed
Summary

Generating precise genetic changes in human induced pluripotent stem cells (iPSCs) is now faster and easier. A new protocol using CRISPR technology significantly boosts the success rate for creating isogenic cell lines.

Keywords:
CRISPRGene editingHigh efficiencySingle nucleotide polymorphismiPSC

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Area of Science:

  • Stem cell biology
  • Genetic engineering

Background:

  • Creating isogenic cell lines with specific genetic modifications in human induced pluripotent stem cells (iPSCs) is crucial for studying gene function.
  • Existing methods for precise gene editing in iPSCs can be time-consuming and inefficient.

Purpose of the Study:

  • To develop an improved protocol for generating point mutations in human iPSCs with high efficiency.
  • To reduce the time and effort required to create isogenic iPSC lines for research.

Main Methods:

  • Utilized Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR) technology for gene editing in human iPSCs.
  • Employed a combination of p53 inhibition and pro-survival small molecules to enhance homologous recombination rates.

Main Results:

  • Achieved a homologous recombination rate exceeding 90% in human iPSCs.
  • Demonstrated a significant improvement in the efficiency of generating point mutations compared to standard methods.

Conclusions:

  • The developed protocol offers a highly efficient and streamlined approach for genetic engineering in human iPSCs.
  • This method facilitates the rapid creation of isogenic cell lines, accelerating genetic research.