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From ontogenesis to regeneration: learning how to instruct adult cardiac progenitor cells.

Abstract : Since the first observations over two centuries ago by Lazzaro Spallanzani on the extraordinary regenerative capacity of urodeles, many attempts have been made to understand the reasons why such ability has been largely lost in metazoa and whether or how it can be restored, even partially. In this context, important clues can be derived from the systematic analysis of the relevant distinctions among species and of the pathways involved in embryonic development, which might be induced and/or recapitulated in adult tissues. This chapter provides an overview on regeneration and its mechanisms, starting with the lesson learned from lower vertebrates, and will then focus on recent advancements and novel insights concerning regeneration in the adult mammalian heart, including the discovery of resident cardiac progenitor cells (CPCs). Subsequently, it explores all the important pathways involved in regulating differentiation during development and embryogenesis, and that might potentially provide important clues on how to activate and/or modulate regenerative processes in the adult myocardium, including the potential activation of endogenous CPCs. Furthermore the importance of the stem cell niche is discussed, and how it is possible to create in vitro a microenvironment and culture system to provide adult CPCs with the ideal conditions promoting their regenerative ability. Finally, the state of clinical translation of cardiac cell therapy is presented. Overall, this chapter provides a new perspective on how to approach cardiac regeneration, taking advantage of important lessons from development and optimizing biotechnological tools to obtain the ideal conditions for cell-based cardiac regenerative therapy.
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Submitted on : Friday, March 7, 2014 - 12:38:48 PM
Last modification on : Wednesday, November 3, 2021 - 2:18:08 PM
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Isotta Chimenti, Elvira Forte, Francesco Angelini, Alessandro Giacomello, Elisa Messina. From ontogenesis to regeneration: learning how to instruct adult cardiac progenitor cells.. Prog Mol Biol Transl Sci., 2012, 111, pp.109-37. ⟨10.1016/B978-0-12-398459-3.00005-8⟩. ⟨pasteur-00956820⟩



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