Extracellular vesicles - mediating and delivering cardioprotection in acute myocardial infarction and heart failure

Aishwarya Prakash1, Gustavo E Crespo-Avilan1,2,3, Sauri Hernandez-Resendiz1,2,4

  • 1Cardiovascular and Metabolic Disorder Programme, Duke-NUS Medical School, Singapore.

Conditioning Medicine
|July 23, 2021
PubMed

Insights

Extracellular vesicles (EVs) are crucial for heart protection after myocardial infarction (MI). Stem cell-derived EVs show therapeutic potential for reducing infarct size and preventing heart failure in patients with acute myocardial infarction (AMI).

Area of Science:

  • Cardiovascular Biology
  • Regenerative Medicine
  • Extracellular Vesicle Biology

Background:

  • Acute myocardial infarction (AMI) necessitates treatments to limit infarct size and prevent adverse cardiac remodeling, thereby preserving function and averting heart failure.
  • Extracellular vesicles (EVs) are increasingly recognized as vital mediators of intercellular communication within the heart, contributing to homeostasis and innate cardioprotective mechanisms like remote ischemic conditioning.

Purpose of the Study:

  • To review the multifaceted roles of EVs in mediating and delivering cardioprotection following myocardial infarction.
  • To discuss the therapeutic potential and challenges of utilizing EVs, particularly stem cell-derived EVs, for clinical application in acute myocardial infarction patients.
  • To explore the use of EVs as drug delivery vehicles for synergistic cardioprotective strategies.

Main Methods:

  • Literature review synthesizing current research on extracellular vesicles in the context of myocardial infarction.
  • Analysis of studies investigating endogenous and stem cell-derived EVs for cardioprotective effects in preclinical models of AMI.
  • Examination of the potential of EVs as therapeutic agents and drug delivery platforms.

Main Results:

  • Endogenous EVs play significant roles in maintaining cardiac function and mediating innate cardioprotection.
  • Stem cell-derived EVs have demonstrated efficacy in reducing infarct size and improving cardiac function in various animal models of AMI.
  • EVs show promise as carriers for targeted drug delivery, potentially enhancing cardioprotective therapies.

Conclusions:

  • Extracellular vesicles represent a promising therapeutic avenue for managing acute myocardial infarction and its sequelae.
  • Further research and overcoming existing challenges are necessary to translate the therapeutic potential of EVs into clinical practice for AMI patients.
  • EVs offer a versatile platform for both direct cardioprotection and as sophisticated drug delivery systems.

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