期刊
CURRENT CARDIOLOGY REPORTS
卷 21, 期 9, 页码 -出版社
SPRINGER
DOI: 10.1007/s11886-019-1179-8
关键词
3D printing; Cardiac engineered tissue; Vascularization; Bioprinting; Cardiovascular tissue; Cardiomyocyte
资金
- German Research Foundation/DFG [PU 690/1-1]
- NIH Office of Director's Pioneer Award [LM012179-03]
- American Heart Association [17EIA33410923]
- Stanford Cardiovascular Institute
- Hoffmann and Schroepfer Foundation
- Stanford Division of Cardiovascular Medicine, Department of Medicine
Purpose of Review3D bioprinting technologies hold significant promise for the generation of engineered cardiac tissue and translational applications in medicine. To generate a clinically relevant sized tissue, the provisioning of a perfusable vascular network that provides nutrients to cells in the tissue is a major challenge. This review summarizes the recent vascularization strategies for engineering 3D cardiac tissues.Recent FindingsConsiderable steps towards the generation of macroscopic sizes for engineered cardiac tissue with efficient vascular networks have been made within the past few years. Achieving a compact tissue with enough cardiomyocytes to provide functionality remains a challenging task. Achieving perfusion in engineered constructs with media that contain oxygen and nutrients at a clinically relevant tissue sizes remains the next frontier in tissue engineering.SummaryThe provisioning of a functional vasculature is necessary for maintaining a high cell viability and functionality in engineered cardiac tissues. Several recent studies have shown the ability to generate tissues up to a centimeter scale with a perfusable vascular network. Future challenges include improving cell density and tissue size. This requires the close collaboration of a multidisciplinary teams of investigators to overcome complex challenges in order to achieve success.
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