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- Title
Neonatal Cardiovascular-Progenitor-Cell-Derived Extracellular Vesicles Activate YAP1 in Adult Cardiac Progenitor Cells.
- Authors
Ceja, Lourdes; Escopete, Sean S.; Hughes, Lorelei; Lopez, Larry V.; Camberos, Victor; Vallejos, Paul; Wall, Nathan R.; Kearns-Jonker, Mary
- Abstract
New stem cell and extracellular-vesicle-based therapies have the potential to improve outcomes for the increasing number of patients with heart failure. Since neonates have a significantly enhanced regenerative ability, we hypothesized that extracellular vesicles isolated from Islet-1+ expressing neonatal human cardiovascular progenitors (CPCs) will induce transcriptomic changes associated with improved regenerative capability when co-cultured with CPCs derived from adult humans. In order to test this hypothesis, we isolated extracellular vesicles from human neonatal Islet-1+ CPCs, analyzed the extracellular vesicle content using RNAseq, and treated adult CPCs with extracellular vesicles derived from neonatal CPCs to assess their functional effect. AKT, ERBB, and YAP1 transcripts were elevated in adult CPCs treated with neonatal CPC-derived extracellular vesicles. YAP1 is lost after the neonatal period but can stimulate cardiac regeneration. Our results demonstrate that YAP1 and additional transcripts associated with improved cardiovascular regeneration, as well as the activation of the cell cycle, can be achieved by the treatment of adult CPCs with neonatal CPC-derived extracellular vesicles. Progenitor cells derived from neonates secrete extracellular vesicles with the potential to stimulate and potentially improve functional effects in adult CPCs used for cardiovascular repair.
- Subjects
EXTRACELLULAR vesicles; PROGENITOR cells; CELL cycle; MYOCARDIAL infarction; HEART cells; ADULTS; STEM cell treatment; CARDIAC regeneration
- Publication
International Journal of Molecular Sciences, 2023, Vol 24, Issue 9, p8088
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms24098088