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Updated: Jun 10, 2026

Delayed Intramyocardial Delivery of Stem Cells after Ischemia Reperfusion Injury in a Murine Model
Published on: September 3, 2020
Resident and non-resident stem cells in acute myocardial infarction
Noela Rodríguez-Losada1, Manuel Francisco Jiménez-Navarro, Borja Fernández
1Research Laboratory, Heart Unit, Virgen de la Victoria University Hospital, Campus Teatinos s/n, Spain. noelarodriguez@secardiologia.es
Insights
Researchers reviewed regenerative cell therapies for acute myocardial infarction (AMI). The study classifies cardiac progenitor cells, exploring their potential to restore heart function and improve left ventricular ejection fraction (LVEF) after AMI.
Area of Science:
- Cardiology
- Regenerative Medicine
- Cell Biology
Background:
- Cardiovascular disease is a leading cause of mortality globally.
- Acute myocardial infarction (AMI) results in cardiomyocyte death and impaired left ventricular ejection fraction (LVEF).
- Current treatments aim to restore LVEF by replacing dead cardiac tissue with functional cells.
Purpose of the Study:
- To review and classify progenitor cells for potential therapeutic use in treating AMI.
- To provide an overview of cell subpopulations and their markers for cardiac regeneration.
- To synthesize findings from animal and human models regarding cardiac progenitor cells.
Main Methods:
- Literature review of scientific studies on cardiac progenitor cells.
- Classification of progenitor cells into resident and non-resident types.
- Analysis of cell markers and regenerative capacities in animal and human models.
Main Results:
- Identification and categorization of various cardiac progenitor cell subpopulations.
- Characterization of markers associated with different cell types.
- Synthesis of evidence supporting the regenerative potential of these cells in cardiac repair.
Conclusions:
- Progenitor cells offer a promising therapeutic avenue for restoring cardiac function post-AMI.
- Understanding cell subpopulations and markers is crucial for effective cell-based therapies.
- Further research in animal and human models will refine regenerative strategies for cardiovascular disease.
Abstract:
Cardiovascular disease is the leading cause of death in developed countries. Acute myocardial infarction (AMI) is the result of hypoxia leading to cardiomyocyte death. This causes loss of function of contractile tissue, which is replaced by non-contractile fibrous tissue affecting left ventricular ejection fraction (LVEF). One of the current approaches to recover LVEF after an AMI is focused on the search for functional cells to replace the dead tissue, via implantation in the heart of autologous progenitor cells with a regenerative capacity. This review classifies these cells into two types: a) non-resident cells and b) resident cells within the cardiac tissue. We provide an overall view of the various subpopulations and their markers, based, in animal and human models from the early pioneering work to the latest findings.
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Acute Coronary Syndrome I: Introduction
Myocarditis I: Introduction

