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Intrinsic Vascular Repair by Endothelial Progenitor Cells in Acute Coronary Syndromes: an Update Overview

  • Vânia Leal
  • Carlos Fontes Ribeiro
  • Bárbara Oliveiros
  • Natália António
  • Sónia Silva
Article

Abstract

Bone marrow-derived endothelial progenitor cells (EPCs) play a key role in the maintenance of endothelial homeostasis and endothelial repair at areas of vascular damage. The quantification of EPCs in peripheral blood by flow cytometry is a strategy to assess this reparative capacity. The number of circulating EPCs is inversely correlated with the number of cardiovascular risk factors and to the occurrence of cardiovascular events. Therefore, monitoring EPCs levels may provide an accurate assessment of susceptibility to cardiovascular injury, greatly improving risk stratification of patients with high cardiovascular risk, such as those with an acute myocardial infarction. However, there are many issues in the field of EPC identification and quantification that remain unsolved. In fact, there have been conflicting protocols used to the phenotypic identification of EPCs and there is still no consensual immunophenotypical profile that corresponds exactly to EPCs. In this paper we aim to give an overview on EPCs-mediated vascular repair with special focus on acute coronary syndromes and to discuss the different phenotypic profiles that have been used to identify and quantify circulating EPCs in several clinical studies. Finally, we will synthesize evidence on the prognostic role of EPCs in patients with high cardiovascular risk.

Keywords

Endothelial progenitor cells Myocardial infarction Acute coronary syndromes Cardiovascular risk Flow cytometry 

Notes

Acknowledgments

It is our privilege to express our sincere acknowledgments to all who helped us to successfully complete this manuscript. The authors received no specific funding for this work.

Contributions

The first draft was written by Leal V. Silva S designed the work. All authors critically revised the manuscript. All gave final approval and agree to be accountable for all aspects of work ensuring integrity and accuracy.

Compliance with Ethical Standards

Conflict of Interest

The authors declare no potential conflicts of interest.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Group of Pharmacology and Pharmaceutical Care, Faculty of PharmacyUniversity of CoimbraCoimbraPortugal
  2. 2.Institute of Pharmacology and Experimental Therapeutics, Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of MedicineUniversity of CoimbraCoimbraPortugal
  3. 3.Laboratory of Biostatistics and Medical Informatics, Faculty of MedicineUniversity of CoimbraCoimbraPortugal
  4. 4.Coimbra Institute for Biomedical Imaging and Translational ResearchUniversity of CoimbraCoimbraPortugal
  5. 5.Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of MedicineUniversity of CoimbraCoimbraPortugal
  6. 6.Cardiology DepartmentCoimbra Hospital and Universitary CentreCoimbraPortugal

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