Cardiac regenerative capacity: an evolutionary afterthought?

Phong D Nguyen, Dennis E M de Bakker, Jeroen Bakkers

Research output: Contribution to journal/periodicalBook/Film/Article reviewScientific

Abstract

Cardiac regeneration is the outcome of the highly regulated interplay of multiple processes, including the inflammatory response, cardiomyocyte dedifferentiation and proliferation, neovascularization and extracellular matrix turnover. Species-specific traits affect these injury-induced processes, resulting in a wide variety of cardiac regenerative potential between species. Indeed, while mammals are generally considered poor regenerators, certain amphibian and fish species like the zebrafish display robust regenerative capacity post heart injury. The species-specific traits underlying these differential injury responses are poorly understood. In this review, we will compare the injury induced processes of the mammalian and zebrafish heart, describing where these processes overlap and diverge. Additionally, by examining multiple species across the animal kingdom, we will highlight particular traits that either positively or negatively affect heart regeneration. Last, we will discuss the possibility of overcoming regeneration-limiting traits to induce heart regeneration in mammals.

Original languageEnglish
Pages (from-to)5107-5122
Number of pages16
JournalCellular and Molecular Life Sciences
Volume78
Issue number12
DOIs
Publication statusPublished - Jun 2021

Keywords

  • Animals
  • Biological Evolution
  • Heart/embryology
  • Heart Diseases/therapy
  • Humans
  • Myocytes, Cardiac/cytology
  • Regeneration

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