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mRNA-Based Protein Replacement Therapy for the Heart

Ajit Magadum1, Keerat Kaur1, Lior Zangi1

  • 1Cardiovascular Research Center, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA.

Molecular Therapy : the Journal of the American Society of Gene Therapy
|January 7, 2019
PubMed

Insights

Modified mRNA (modRNA) offers a promising, safe, and effective alternative to gene therapy for heart attack and heart failure treatment. This approach can potentially regenerate heart tissue after myocardial infarction, overcoming previous delivery challenges.

Area of Science:

  • Cardiovascular Research
  • Regenerative Medicine
  • Molecular Therapy

Background:

  • Myocardial infarction (MI) and heart failure (HF) are leading causes of death globally.
  • Loss of cardiomyocytes post-MI leads to scarring and HF due to limited adult mammalian heart regeneration.
  • Current treatments for cardiac regeneration are lacking, with gene therapy facing delivery challenges.

Purpose of the Study:

  • To review the potential of modified mRNA (modRNA) in cardiac therapy for cardioprotection and regeneration post-MI.
  • To evaluate modRNA as a safer and more effective alternative to DNA-based or viral gene therapy for cardiac conditions.
  • To discuss challenges and future directions for modRNA application in treating ischemic heart disease.

Main Methods:

  • Review of existing literature on modRNA technology and its application in cardiac regeneration.
  • Analysis of modRNA's properties (safety, efficiency, transient nature) for cardiac gene delivery.
  • Discussion of challenges in current modRNA-based cardiac treatment strategies.

Main Results:

  • Modified mRNA (modRNA) presents a safe, non-immunogenic, and efficient nucleic acid delivery system.
  • modRNA can overcome the limitations of poor and uncontrolled gene delivery associated with viral and DNA-based methods.
  • modRNA holds potential for inducing cardioprotection and promoting vascular or cardiac regeneration after MI.

Conclusions:

  • modRNA technology offers a promising therapeutic strategy for myocardial infarction and heart failure.
  • Further research is needed to address current challenges for successful clinical application of modRNA in ischemic heart disease.
  • modRNA represents a significant advancement in regenerative medicine for cardiovascular diseases.

Keywords:
cardiac regenerationgene therapymRNA therapy

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