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- Title
Phases and Mechanisms of Embryonic Cardiomyocyte Proliferation and Ventricular Wall Morphogenesis.
- Authors
Barak, Yaacov; Hemberger, Myriam; Sucov, Henry M.
- Abstract
If viewed as a movie, heart morphogenesis appears to unfold in a continuous and seamless manner. At the mechanistic level, however, a series of discreet and separable processes sequentially underlie heart development. This is evident in examining the expansion of the ventricular wall, which accounts for most of the contractile force of each heartbeat. Ventricular wall expansion is driven by cardiomyocyte proliferation coupled with a morphogenetic program that causes wall thickening rather than lengthening. Although most studies of these processes have focused on heart-intrinsic processes, it is increasingly clear that extracardiac events influence or even direct heart morphogenesis. In this review, we specifically consider mechanisms responsible for coordinating cardiomyocyte proliferation and ventricular wall expansion in mammalian development, relying primarily on studies from mouse development where a wealth of molecular and genetic data have been accumulated.
- Subjects
MORPHOGENESIS; HEART development; CONGENITAL heart disease
- Publication
Pediatric Cardiology, 2019, Vol 40, Issue 7, p1359
- ISSN
0172-0643
- Publication type
Article
- DOI
10.1007/s00246-019-02164-6