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State of the Art in Cardiomyocyte Transplantation

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Cardiac Regeneration

Part of the book series: Cardiac and Vascular Biology ((Abbreviated title: Card. vasc. biol.,volume 4))

Abstract

While other cell-based therapies for ischemic heart disease are generally understood to operate through indirect, so-called “paracrine” mechanisms of action (e.g., by promoting angiogenesis or attenuating adverse ventricular remodeling), cardiomyocyte transplantation aims to repopulate the infarct scar with functionally integrated new myocardium that will directly contribute to contractile function. Early proof of concept for this “direct remuscularization” strategy came from preclinical studies in rodent models in which neonatal and fetal cardiomyocytes were shown to stably engraft within the infarct scar and mediate beneficial effects. More recently, pluripotent stem cells (PSCs) have drawn considerable attention as a more practical, highly scalable source of cardiomyocytes, and these PSC-derived cardiomyocytes have shown considerable promise in both small- and large-animal models of post-infarct heart failure. In this chapter, we review the status of preclinical studies of cardiomyocyte transplantation, describe the significant remaining barriers to clinical translation, and consider potential target patient populations and study design for a first-in-human study of PSC-derived cardiomyocyte transplantation in ischemic heart disease.

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The authors declare that they have no conflict of interest.

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This article does not contain any studies with human participants performed by any of the authors. Animal research was performed in accordance with institutional, local, and federal regulations. This work was supported by T32 HL007312 (MEH), Future Leader Fellowship (ID 100463) from the National Heart Foundation of Australia (JJHC) and Sydney Medical School Foundation Fellowship (JJHC), RO1 NIH HL117991 (MAL), and funding from the McEwen Centre for Regenerative Medicine, the Toronto General Hospital Research Institute, the Ontario Institute for Regenerative Medicine, and the Peter Munk Cardiac Centre (MAL).

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Correspondence to Michael A. Laflamme .

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© 2017 Springer International Publishing AG

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Hartman, M.E., Chong, J.J.H., Laflamme, M.A. (2017). State of the Art in Cardiomyocyte Transplantation. In: Ieda, M., Zimmermann, WH. (eds) Cardiac Regeneration. Cardiac and Vascular Biology, vol 4. Springer, Cham. https://doi.org/10.1007/978-3-319-56106-6_9

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