Co-transplantation of Mesenchymal Stromal Cells and Induced Pluripotent Stem Cell-Derived Cardiomyocytes Improves Cardiac Function After Myocardial Damage

Induced pluripotent stem cell-derived cardiomyocytes (iPS-CMs) represent an attractive resource for cardiac regeneration. However, survival and functional integration of transplanted iPS-CM is poor and remains a major challenge for the development of effective therapies. We hypothesized that paracri...

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Main Authors: Klaus Neef, Florian Drey, Vera Lepperhof, Thorsten Wahlers, Jürgen Hescheler, Yeong-Hoon Choi, Tomo Šarić
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-01-01
Series:Frontiers in Cardiovascular Medicine
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fcvm.2021.794690/full
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author Klaus Neef
Florian Drey
Vera Lepperhof
Thorsten Wahlers
Jürgen Hescheler
Yeong-Hoon Choi
Yeong-Hoon Choi
Tomo Šarić
author_facet Klaus Neef
Florian Drey
Vera Lepperhof
Thorsten Wahlers
Jürgen Hescheler
Yeong-Hoon Choi
Yeong-Hoon Choi
Tomo Šarić
author_sort Klaus Neef
collection DOAJ
description Induced pluripotent stem cell-derived cardiomyocytes (iPS-CMs) represent an attractive resource for cardiac regeneration. However, survival and functional integration of transplanted iPS-CM is poor and remains a major challenge for the development of effective therapies. We hypothesized that paracrine effects of co-transplanted mesenchymal stromal cells (MSCs) augment the retention and therapeutic efficacy of iPS-CM in a mouse model of myocardial infarction (MI). To test this, either iPS-CM, MSC, or both cell types were transplanted into the cryoinfarction border zone of syngeneic mice immediately after injury. Bioluminescence imaging (BLI) of iPS-CM did not confirm enhanced retention by co-application of MSC during the 28-day follow-up period. However, histological analyses of hearts 28 days after cell transplantation showed that MSC increased the fraction of animals with detectable iPS-CM by 2-fold. Cardiac MRI analyses showed that from day 14 after transplantation on, the animals that have received cells had a significantly higher left ventricular ejection fraction (LVEF) compared to the placebo group. There was no statistically significant difference in LVEF between animals transplanted only with iPS-CM or only with MSC. However, combined iPS-CM and MSC transplantation resulted in higher LVEF compared to transplantation of single-cell populations during the whole observation period. Histological analyses revealed that MSC increased the capillarization in the myocardium when transplanted alone or with iPS-CM and decreased the infarct scar area only when transplanted in combination with iPS-CM. These results indicate that co-transplantation of iPS-CM and MSC improves cardiac regeneration after cardiac damage, demonstrating the potential of combining multiple cell types for increasing the efficacy of future cardiac cell therapies.
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spelling doaj.art-d73242754e004034858bf8b4829931cd2022-12-22T04:03:36ZengFrontiers Media S.A.Frontiers in Cardiovascular Medicine2297-055X2022-01-01810.3389/fcvm.2021.794690794690Co-transplantation of Mesenchymal Stromal Cells and Induced Pluripotent Stem Cell-Derived Cardiomyocytes Improves Cardiac Function After Myocardial DamageKlaus Neef0Florian Drey1Vera Lepperhof2Thorsten Wahlers3Jürgen Hescheler4Yeong-Hoon Choi5Yeong-Hoon Choi6Tomo Šarić7Department of Cardiac and Thoracic Surgery, Heart Center, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, GermanyDepartment of Cardiac and Thoracic Surgery, Heart Center, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, GermanyInstitute for Neurophysiology, Center for Physiology and Pathophysiology, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, GermanyDepartment of Cardiac and Thoracic Surgery, Heart Center, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, GermanyInstitute for Neurophysiology, Center for Physiology and Pathophysiology, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, GermanyDepartment of Cardiac and Thoracic Surgery, Heart Center, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, GermanyClinic for Cardiac Surgery and Surgical Intensive Care Medicine, Kerckhoff Clinic Bad Nauheim, Kerckhoff Campus, Justus Liebig University Giessen, Giessen, GermanyInstitute for Neurophysiology, Center for Physiology and Pathophysiology, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, GermanyInduced pluripotent stem cell-derived cardiomyocytes (iPS-CMs) represent an attractive resource for cardiac regeneration. However, survival and functional integration of transplanted iPS-CM is poor and remains a major challenge for the development of effective therapies. We hypothesized that paracrine effects of co-transplanted mesenchymal stromal cells (MSCs) augment the retention and therapeutic efficacy of iPS-CM in a mouse model of myocardial infarction (MI). To test this, either iPS-CM, MSC, or both cell types were transplanted into the cryoinfarction border zone of syngeneic mice immediately after injury. Bioluminescence imaging (BLI) of iPS-CM did not confirm enhanced retention by co-application of MSC during the 28-day follow-up period. However, histological analyses of hearts 28 days after cell transplantation showed that MSC increased the fraction of animals with detectable iPS-CM by 2-fold. Cardiac MRI analyses showed that from day 14 after transplantation on, the animals that have received cells had a significantly higher left ventricular ejection fraction (LVEF) compared to the placebo group. There was no statistically significant difference in LVEF between animals transplanted only with iPS-CM or only with MSC. However, combined iPS-CM and MSC transplantation resulted in higher LVEF compared to transplantation of single-cell populations during the whole observation period. Histological analyses revealed that MSC increased the capillarization in the myocardium when transplanted alone or with iPS-CM and decreased the infarct scar area only when transplanted in combination with iPS-CM. These results indicate that co-transplantation of iPS-CM and MSC improves cardiac regeneration after cardiac damage, demonstrating the potential of combining multiple cell types for increasing the efficacy of future cardiac cell therapies.https://www.frontiersin.org/articles/10.3389/fcvm.2021.794690/fullmyocardial infarctioninduced pluripotent stem cellscardiomyocytesmesenchymal stem cellsimaging
spellingShingle Klaus Neef
Florian Drey
Vera Lepperhof
Thorsten Wahlers
Jürgen Hescheler
Yeong-Hoon Choi
Yeong-Hoon Choi
Tomo Šarić
Co-transplantation of Mesenchymal Stromal Cells and Induced Pluripotent Stem Cell-Derived Cardiomyocytes Improves Cardiac Function After Myocardial Damage
Frontiers in Cardiovascular Medicine
myocardial infarction
induced pluripotent stem cells
cardiomyocytes
mesenchymal stem cells
imaging
title Co-transplantation of Mesenchymal Stromal Cells and Induced Pluripotent Stem Cell-Derived Cardiomyocytes Improves Cardiac Function After Myocardial Damage
title_full Co-transplantation of Mesenchymal Stromal Cells and Induced Pluripotent Stem Cell-Derived Cardiomyocytes Improves Cardiac Function After Myocardial Damage
title_fullStr Co-transplantation of Mesenchymal Stromal Cells and Induced Pluripotent Stem Cell-Derived Cardiomyocytes Improves Cardiac Function After Myocardial Damage
title_full_unstemmed Co-transplantation of Mesenchymal Stromal Cells and Induced Pluripotent Stem Cell-Derived Cardiomyocytes Improves Cardiac Function After Myocardial Damage
title_short Co-transplantation of Mesenchymal Stromal Cells and Induced Pluripotent Stem Cell-Derived Cardiomyocytes Improves Cardiac Function After Myocardial Damage
title_sort co transplantation of mesenchymal stromal cells and induced pluripotent stem cell derived cardiomyocytes improves cardiac function after myocardial damage
topic myocardial infarction
induced pluripotent stem cells
cardiomyocytes
mesenchymal stem cells
imaging
url https://www.frontiersin.org/articles/10.3389/fcvm.2021.794690/full
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