4.6 Review

Current challenges in three-dimensional bioprinting heart tissues for cardiac surgery

Journal

EUROPEAN JOURNAL OF CARDIO-THORACIC SURGERY
Volume 58, Issue 3, Pages 500-510

Publisher

OXFORD UNIV PRESS INC
DOI: 10.1093/ejcts/ezaa093

Keywords

Bioprinting; Revascularization; Transplantation; Regenerative medicine; Cardiac tissues; Stem cells

Funding

  1. Sir John Loewenthal Scholarship 2019 (University of Sydney)
  2. Le Gros Legacy Fund New Zealand [PhD012019]
  3. Heart Research Australia PhD Scholarship [2019-02]
  4. University of Sydney Kick-Start Grant
  5. University of Sydney Chancellor's Doctoral Incentive Programme Grant
  6. Sydney Medical School Foudation Cardiothoracic Surgery Research Grant

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Previous attempts in cardiac bioengineering have failed to provide tissues for cardiac regeneration. Recent advances in 3-dimensional bioprinting technology using prevascularized myocardial microtissues as 'bioink' have provided a promising way forward. This review guides the reader to understand why myocardial tissue engineering is difficult to achieve and how revascularization and contractile function could be restored in 3-dimensional bioprinted heart tissue using patient-derived stem cells.

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