Volume 13, Issue 11 pp. 2031-2039
RESEARCH ARTICLE

Cardiac regeneration using human-induced pluripotent stem cell-derived biomaterial-free 3D-bioprinted cardiac patch in vivo

Enoch Yeung

Enoch Yeung

Department of Surgery, Division of Cardiac Surgery, Johns Hopkins Hospital, Baltimore, MD

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Takuma Fukunishi

Takuma Fukunishi

Department of Surgery, Division of Cardiac Surgery, Johns Hopkins Hospital, Baltimore, MD

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Yang Bai

Yang Bai

Department of Surgery, Division of Cardiac Surgery, Johns Hopkins Hospital, Baltimore, MD

Department of Cardiac Surgery, The First Hospital of Jilin University, Changchun, China

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Djahida Bedja

Djahida Bedja

Department of Medicine, Division of Cardiology, Johns Hopkins Hospital, Baltimore, MD

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Isaree Pitaktong

Isaree Pitaktong

Department of Surgery, Division of Cardiac Surgery, Johns Hopkins Hospital, Baltimore, MD

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Gunnar Mattson

Gunnar Mattson

Department of Surgery, Division of Cardiac Surgery, Johns Hopkins Hospital, Baltimore, MD

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Anjana Jeyaram

Anjana Jeyaram

Fischell Department of Bioengineering, University of Maryland, College Park, MD

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Cecillia Lui

Cecillia Lui

Department of Surgery, Division of Cardiac Surgery, Johns Hopkins Hospital, Baltimore, MD

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Chin Siang Ong

Chin Siang Ong

Department of Surgery, Division of Cardiac Surgery, Johns Hopkins Hospital, Baltimore, MD

Department of Medicine, Division of Cardiology, Johns Hopkins Hospital, Baltimore, MD

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Takahiro Inoue

Takahiro Inoue

Department of Surgery, Division of Cardiac Surgery, Johns Hopkins Hospital, Baltimore, MD

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Hiroshi Matsushita

Hiroshi Matsushita

Department of Surgery, Division of Cardiac Surgery, Johns Hopkins Hospital, Baltimore, MD

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Sara Abdollahi

Sara Abdollahi

Department of Surgery, Division of Cardiac Surgery, Johns Hopkins Hospital, Baltimore, MD

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Steven M. Jay

Steven M. Jay

Fischell Department of Bioengineering, University of Maryland, College Park, MD

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Narutoshi Hibino

Corresponding Author

Narutoshi Hibino

Department of Surgery, Division of Cardiac Surgery, Johns Hopkins Hospital, Baltimore, MD

Correspondence

Narutoshi Hibino, Division of Cardiac Surgery, The Johns Hopkins Hospital, Zayed 7107, 1800 Orleans St, Baltimore, MD 21287.

Email: [email protected]

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First published: 13 August 2019
Citations: 78

Abstract

One of the leading causes of death worldwide is heart failure. Despite advances in the treatment and prevention of heart failure, the number of affected patients continues to increase. We have recently developed 3D-bioprinted biomaterial-free cardiac tissue that has the potential to improve cardiac function. This study aims to evaluate the in vivo regenerative potential of these 3D-bioprinted cardiac patches. The cardiac patches were generated using 3D-bioprinting technology in conjunction with cellular spheroids created from a coculture of human-induced pluripotent stem cell-derived cardiomyocytes, fibroblasts, and endothelial cells. Once printed and cultured, the cardiac patches were implanted into a rat myocardial infarction model (n = 6). A control group (n = 6) without the implantation of cardiac tissue patches was used for comparison. The potential for regeneration was measured 4 weeks after the surgery with histology and echocardiography. 4 weeks after surgery, the survival rates were 100% and 83% in the experimental and the control group, respectively. In the cardiac patch group, the average vessel counts within the infarcted area were higher than those within the control group. The scar area in the cardiac patch group was significantly smaller than that in the control group. (Figure S1) Echocardiography showed a trend of improvement of cardiac function for the experimental group, and this trend correlated with increased patch production of extracellular vesicles. 3D-bioprinted cardiac patches have the potential to improve the regeneration of cardiac tissue and promote angiogenesis in the infarcted tissues and reduce the scar tissue formation.

CONFLICT OF INTEREST

The authors have that there is no conflict of interest.

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