Journal article
beta-Catenin drives distinct transcriptional networks in proliferative and nonproliferative cardiomyocytes
Gregory A Quaife-Ryan, Richard J Mills, George Lavers, Holly K Voges, Celine J Vivien, David A Elliott, Mirana Ramialison, James E Hudson, Enzo R Porrello
Development | COMPANY BIOLOGISTS LTD | Published : 2020
DOI: 10.1242/dev.193417
Abstract
The inability of the adult mammalian heart to regenerate represents a fundamental barrier in heart failure management. By contrast, the neonatal heart retains a transient regenerative capacity, but the underlying mechanisms for the developmental loss of cardiac regenerative capacity in mammals are not fully understood. Wnt/β-catenin signalling has been proposed as a key cardioregenerative pathway driving cardiomyocyte proliferation. Here, we show that Wnt/β-catenin signalling potentiates neonatal mouse cardiomyocyte proliferation in vivo and immature human pluripotent stem cell-derived cardiomyocyte (hPSC-CM) proliferation in vitro By contrast, Wnt/β-catenin signalling in adult mice is cardi..
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Funding Acknowledgements
J.E.H. and E.R.P. acknowledge grant and fellowship support from the National Health and Medical Research Council of Australia, the Heart Foundation of Australia, the Stafford Fox Medical Research Foundation, Stem Cells Australia and QIMR Berghofer Medical Research Institute. The Murdoch Children's Research Institute is supported by the Victorian Government's Operational Infrastructure Support Program.