Please use this identifier to cite or link to this item: https://doi.org/10.1371/journal.pone.0050491
Title: Adult Cardiac Progenitor Cell Aggregates Exhibit Survival Benefit Both In Vitro and In Vivo
Authors: Bauer, M.
Kang, L. 
Qiu, Y.
Wu, J.
Peng, M.
Chen, H.H.
Camci-Unal, G.
Bayomy, A.F.
Sosnovik, D.E.
Khademhosseini, A.
Liao, R.
Issue Date: 30-Nov-2012
Source: Bauer, M., Kang, L., Qiu, Y., Wu, J., Peng, M., Chen, H.H., Camci-Unal, G., Bayomy, A.F., Sosnovik, D.E., Khademhosseini, A., Liao, R. (2012-11-30). Adult Cardiac Progenitor Cell Aggregates Exhibit Survival Benefit Both In Vitro and In Vivo. PLoS ONE 7 (11) : -. ScholarBank@NUS Repository. https://doi.org/10.1371/journal.pone.0050491
Abstract: Background: A major hurdle in the use of exogenous stems cells for therapeutic regeneration of injured myocardium remains the poor survival of implanted cells. To date, the delivery of stem cells into myocardium has largely focused on implantation of cell suspensions. Methodology and Principal Findings: We hypothesize that delivering progenitor cells in an aggregate form would serve to mimic the endogenous state with proper cell-cell contact, and may aid the survival of implanted cells. Microwell methodologies allow for the culture of homogenous 3D cell aggregates, thereby allowing cell-cell contact. In this study, we find that the culture of cardiac progenitor cells in a 3D cell aggregate augments cell survival and protects against cellular toxins and stressors, including hydrogen peroxide and anoxia/reoxygenation induced cell death. Moreover, using a murine model of cardiac ischemia-reperfusion injury, we find that delivery of cardiac progenitor cells in the form of 3D aggregates improved in vivo survival of implanted cells. Conclusion: Collectively, our data support the notion that growth in 3D cellular systems and maintenance of cell-cell contact improves exogenous cell survival following delivery into myocardium. These approaches may serve as a strategy to improve cardiovascular cell-based therapies. © 2012 Bauer et al.
Source Title: PLoS ONE
URI: http://scholarbank.nus.edu.sg/handle/10635/105622
ISSN: 19326203
DOI: 10.1371/journal.pone.0050491
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