Using CRISPR/Cas9 Technology for Manipulating Cell Death Regulators

Andrew J Kueh1,2, Marco J Herold3,4

  • 1Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville, VIC, 3052, Australia.

Insights

This study introduces an inducible lentiviral vector for Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR)/Cas9 gene editing. This method improves targeting efficiency and reduces lethality in essential genes.

Area of Science:

  • Molecular Biology
  • Gene Editing Technologies
  • Biotechnology

Background:

  • CRISPR/Cas9 is a powerful gene editing tool for creating targeted mutations.
  • Constitutive CRISPR/Cas9 expression can lead to low efficiency and lethality from essential gene mutations.

Purpose of the Study:

  • To develop an inducible CRISPR/Cas9 system for enhanced gene editing.
  • To overcome limitations of constitutive CRISPR/Cas9 expression.

Main Methods:

  • Utilized a lentiviral vector platform for inducible CRISPR/Cas9 delivery.
  • Employed cell transduction and enrichment strategies.
  • Induced CRISPR/Cas9 expression for targeted mutations.

Main Results:

  • Achieved rapid transduction and enrichment of CRISPR/Cas9 positive cells.
  • Demonstrated high levels of targeted mutations upon induction.
  • Showcased improved efficiency compared to constitutive expression.

Conclusions:

  • An inducible lentiviral vector platform enhances CRISPR/Cas9 gene editing efficiency.
  • This inducible system mitigates issues of low targeting efficiency and lethality.
  • Offers a more controlled and effective approach for CRISPR/Cas9 applications.