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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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Efficient Gene Editing for Heart Disease via ELIP-Based CRISPR Delivery System.

Xing Yin1, Romain Harmancey1, Brion Frierson1

  • 1Division of Cardiology, Department of Internal Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA.

Pharmaceutics
|March 28, 2024
PubMed
Summary

Echogenic liposomes (ELIP) enhance CRISPR/Cas9 delivery to heart cells, with ultrasound significantly improving gene therapy efficiency for cardiovascular diseases. This approach shows promise for treating heart conditions.

Keywords:
CRISPRechogenic liposomes (ELIP)gene deliverygene editingsingle-guide RNA

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Area of Science:

  • Cardiovascular Research
  • Gene Therapy
  • Nanotechnology

Background:

  • Liposomes are promising carriers for CRISPR/Cas9 gene editing in cardiovascular therapy.
  • Efficient delivery of genetic material to cardiomyocytes remains a significant challenge.

Purpose of the Study:

  • To evaluate echogenic liposomes (ELIP) for delivering CRISPR/Cas9 complexes into cardiomyocytes.
  • To assess the impact of ultrasound on gene delivery and editing efficiency in vitro and in vivo.

Main Methods:

  • Utilized ELIP loaded with decoy oligodeoxynucleotides (ELIP-NF-κB-FITC) and Cas9-sg-IL1RL1 RNA.
  • Tested gene delivery and knockdown in mouse neonatal ventricular myocytes and rat hearts.
  • Compared efficacy with and without ultrasound assistance.

Main Results:

  • ELIP alone showed limited gene delivery; ultrasound significantly enhanced ELIP penetration into cardiac cells and tissues.
  • Ultrasound-mediated ELIP delivery successfully achieved gene editing (knockdown of IL1RL1) in cardiomyocytes.
  • The combination of ELIP and ultrasound improved CRISPR/Cas9 delivery and efficacy.

Conclusions:

  • Ultrasound-enhanced echogenic liposomes represent an effective strategy for cardiovascular gene therapy.
  • This method holds significant potential for developing novel treatments for heart diseases using CRISPR technology.