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Title: Comparative developmental biology of the cardiac inflow tract.
Authors: Carmona, Rita
Ariza, Laura
Cañete, Ana
Muñoz-Chápuli, Ramón
Keywords: Cardiac inflow tract;Cardiac pacemaker;Proepicardium;Secondary heart field;Sinoatrial node;Sinus venosus
metadata.dc.subject.mesh: Animals
Cardiovascular Diseases
Cardiovascular System
Cell Lineage
Developmental Biology
Sinoatrial Node
Issue Date: 13-Feb-2018
Abstract: The vertebrate heart receives the blood through the cardiac inflow tract. This area has experienced profound changes along the evolution of vertebrates; changes that have a reflection in the cardiac ontogeny. The development of the inflow tract involves dynamic changes due to the progressive addition of tissue derived from the secondary heart field. The inflow tract is the site where oxygenated blood coming from lungs is received separately from the systemic return, where the cardiac pacemaker is established and where the proepicardium develops. Differential cell migration towards the inflow tract breaks the symmetry of the primary heart tube and determines the direction of the cardiac looping. In air-breathing vertebrates, an inflow tract reorganization is essential to keep separate blood flows from systemic and pulmonary returns. Finally, the sinus venosus endocardium has recently been recognized as playing a role in the constitution of the coronary vasculature. Due to this developmental complexity, congenital anomalies of the inflow tract can cause severe cardiac diseases. We aimed to review the recent literature on the cellular and molecular mechanisms that regulate the morphogenesis of the cardiac inflow tract, together with comparative and evolutionary details, thus providing a basis for a better understanding of these mechanisms.
metadata.dc.identifier.doi: 10.1016/j.yjmcc.2018.02.004
Appears in Collections:Producción 2020

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