In vitro and In vivo Genetic Disease Modelling via NHEJ-precise deletions using CRISPR/Cas9

Sergio López-Manzaneda, Isabel Ojeda-Pérez, Nerea Zabaleta, Aída Garcia-Torralba, Omaira Alberquilla, Raúl Torres, Rebeca Sanchez-Dominguez, Laura Torella, Emmanuel Olivier, Joanne Mountford, Juan C. Ramírez, Juan A. Bueren, Gloria González-Aseguinolaza, Jose Carlos Segovia

Research output: Contribution to journalArticlepeer-review

Abstract

Development of advanced gene and cell therapies for the treatment of genetic diseases requires confident animal and cellular models to test their efficacy and is crucial in the cases where no primary samples from patients are available. CRISPR/Cas9 technology, has become one of the most spread endonuclease tools for editing the genome at will. Moreover, it is known that the use of two guides tends to produce the precise deletion between the guides via NHEJ. Different distances between guides were tested (from 8 to 500 base pairs). We found that distances between the two cutting sites and orientation of Cas9 protein-DNA interaction are important for the efficiency within the optimal range (30-60 bp), we could obtain new genetically reproducible models for two rare disease, a Pyruvate Kinase Deficiency model, using human primary cells, and a (for in vivo primary hyperoxaluria therapeutic mouse model. We demonstrate that the use of a 2-guideRNAs at the optimal distance and orientation is a powerful strategy for disease modelling in those diseases where the availability of primary cells is limited.

Original languageEnglish (US)
JournalUnknown Journal
DOIs
StatePublished - Mar 26 2020

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)
  • Immunology and Microbiology(all)
  • Neuroscience(all)
  • Pharmacology, Toxicology and Pharmaceutics(all)

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