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Small GTPases. 2012 Oct-Dec;3(4):209-12. doi: 10.4161/sgtp.20960. Epub 2012 Aug 3.

ROCKs cause SHP-wrecks and broken hearts.

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  • 1Department of Genetics, University of North Carolina, Chapel Hill, NC, USA.

Abstract

During embryogenesis, the heart is one of the first organs to develop. Its formation requires a complex combination of migration of cardiac precursors to the ventral midline coupled with the fusion of these cardiogenic fields and subsequent cellular reorganization to form a linear heart tube. A finely controlled choreography of cell proliferation, adhesion, contraction and movement drives the heart tube to loop and subsequently septate to form the four-chambered mammalian heart we are familiar with. Defining how this plethora of cellular processes is controlled both spatially and temporally is a scientific feat that has fascinated researchers for decades. Unfortunately, the complex nature of this organ's development also makes it a prime target for mutation-induced malformation, as evidenced by the multitude of prevalent congenital heart disorders identified that afflict up to 1% of the population.

PMID:
22858643
[PubMed - indexed for MEDLINE]
PMCID:
PMC3520883
Free PMC Article
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