The epicardial delivery of cardiosphere derived cells or their extracellular vesicles is safe but of limited value in experimental infarction
Abstract The epicardial administration of therapeutics via the pericardial sac offers an attractive route, since it is minimally invasive and carries no risks of coronary embolization. The aim of this study was to assess viability, safety and effectiveness of cardiosphere-derived cells (CDCs), their...
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Nature Portfolio
2021
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oai:doaj.org-article:0b4a458ea6f54c48b3433b4ee0b9dbce2021-11-14T12:20:52ZThe epicardial delivery of cardiosphere derived cells or their extracellular vesicles is safe but of limited value in experimental infarction10.1038/s41598-021-01728-y2045-2322https://doaj.org/article/0b4a458ea6f54c48b3433b4ee0b9dbce2021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-01728-yhttps://doaj.org/toc/2045-2322Abstract The epicardial administration of therapeutics via the pericardial sac offers an attractive route, since it is minimally invasive and carries no risks of coronary embolization. The aim of this study was to assess viability, safety and effectiveness of cardiosphere-derived cells (CDCs), their extracellular vesicles (EVs) or placebo administered via a mini-thoracotomy 72 h after experimental infarction in swine. The epicardial administration was completed successfully in all cases in a surgery time (knife-to-skin) below 30 min. No significant differences between groups were found in cardiac function parameters evaluated using magnetic resonance imaging before therapy and at the end of the study, despite a trend towards improved function in CDC-treated animals. Moreover, infarct size at 10 weeks was smaller in treated animals, albeit not significantly. Arrhythmia inducibility did not differ between groups. Pathological examination showed no differences, nor were there any pericardial adhesions evidenced in any case 10 weeks after surgery. These results show that the epicardial delivery of CDCs or their EVs is safe and technically easy 3 days after experimental myocardial infarction in swine, but it does not appear to have any beneficial effect on cardiac function. Our results do not support clinical translation of these therapies as implemented in this work.Verónica CrisóstomoClaudia Baéz-DiazVirginia Blanco-BlázquezVerónica ÁlvarezEsther López-NietoJuan MaestreAntoni Bayes-GenisCarolina Gálvez-MontónJavier G. CasadoFrancisco M. Sánchez-MargalloNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021) |
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Medicine R Science Q Verónica Crisóstomo Claudia Baéz-Diaz Virginia Blanco-Blázquez Verónica Álvarez Esther López-Nieto Juan Maestre Antoni Bayes-Genis Carolina Gálvez-Montón Javier G. Casado Francisco M. Sánchez-Margallo The epicardial delivery of cardiosphere derived cells or their extracellular vesicles is safe but of limited value in experimental infarction |
| description |
Abstract The epicardial administration of therapeutics via the pericardial sac offers an attractive route, since it is minimally invasive and carries no risks of coronary embolization. The aim of this study was to assess viability, safety and effectiveness of cardiosphere-derived cells (CDCs), their extracellular vesicles (EVs) or placebo administered via a mini-thoracotomy 72 h after experimental infarction in swine. The epicardial administration was completed successfully in all cases in a surgery time (knife-to-skin) below 30 min. No significant differences between groups were found in cardiac function parameters evaluated using magnetic resonance imaging before therapy and at the end of the study, despite a trend towards improved function in CDC-treated animals. Moreover, infarct size at 10 weeks was smaller in treated animals, albeit not significantly. Arrhythmia inducibility did not differ between groups. Pathological examination showed no differences, nor were there any pericardial adhesions evidenced in any case 10 weeks after surgery. These results show that the epicardial delivery of CDCs or their EVs is safe and technically easy 3 days after experimental myocardial infarction in swine, but it does not appear to have any beneficial effect on cardiac function. Our results do not support clinical translation of these therapies as implemented in this work. |
| format |
article |
| author |
Verónica Crisóstomo Claudia Baéz-Diaz Virginia Blanco-Blázquez Verónica Álvarez Esther López-Nieto Juan Maestre Antoni Bayes-Genis Carolina Gálvez-Montón Javier G. Casado Francisco M. Sánchez-Margallo |
| author_facet |
Verónica Crisóstomo Claudia Baéz-Diaz Virginia Blanco-Blázquez Verónica Álvarez Esther López-Nieto Juan Maestre Antoni Bayes-Genis Carolina Gálvez-Montón Javier G. Casado Francisco M. Sánchez-Margallo |
| author_sort |
Verónica Crisóstomo |
| title |
The epicardial delivery of cardiosphere derived cells or their extracellular vesicles is safe but of limited value in experimental infarction |
| title_short |
The epicardial delivery of cardiosphere derived cells or their extracellular vesicles is safe but of limited value in experimental infarction |
| title_full |
The epicardial delivery of cardiosphere derived cells or their extracellular vesicles is safe but of limited value in experimental infarction |
| title_fullStr |
The epicardial delivery of cardiosphere derived cells or their extracellular vesicles is safe but of limited value in experimental infarction |
| title_full_unstemmed |
The epicardial delivery of cardiosphere derived cells or their extracellular vesicles is safe but of limited value in experimental infarction |
| title_sort |
epicardial delivery of cardiosphere derived cells or their extracellular vesicles is safe but of limited value in experimental infarction |
| publisher |
Nature Portfolio |
| publishDate |
2021 |
| url |
https://doaj.org/article/0b4a458ea6f54c48b3433b4ee0b9dbce |
| work_keys_str_mv |
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