Establishment of Cardiac Laterality

Nov 21, 2016 by in CARDIOLOGY Comments Off on Establishment of Cardiac Laterality

Fig. 7.1 Specification of cardiac asymmetry. (a) Cilia generated leftward flow at the embryonic node initiate an asymmetric signaling cascade in which nodal, lefty2, and pitx2 are expressed exclusively in…

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Human Genetics of Atrial Septal Defect

Nov 21, 2016 by in CARDIOLOGY Comments Off on Human Genetics of Atrial Septal Defect

Gene symbol Protein Extracardiac phenotypes Reference  Sarcomeric protein    ACTC1 Alpha-cardiac actin No [15] MYH6 Alpha-cardiac myosin heavy chain No [16] MYH7 Beta-myosin heavy chain No [17]  Signaling pathway   …

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Environmental Signals

Nov 21, 2016 by in CARDIOLOGY Comments Off on Environmental Signals

Risk category Description A Adequate and well-controlled studies have failed to demonstrate a risk to the fetus in the first trimester of pregnancy (and there is no evidence of risk…

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Inflow Tract Development

Nov 21, 2016 by in CARDIOLOGY Comments Off on Inflow Tract Development

Fig. 5.1 The dorsal mesocardium and development of the dorsal mesenchymal protrusion. Panels a and b show the dorsal mesocardium at the venous pole of an E9.5 mouse heart. The…

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Epigenetics

Nov 21, 2016 by in CARDIOLOGY Comments Off on Epigenetics

Fig. 15.1 Epigenetic regulators modify histone tails of a nucleosome. Epigenetic factors can be categorized into “writers,” “erasers,” and “readers.” Writers add specific modifications to the histone tails of a…

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Cardiac Conduction System

Nov 21, 2016 by in CARDIOLOGY Comments Off on Cardiac Conduction System

Fig. 8.1 Schematic overview of heart development in higher vertebrates. The early heart tube has a primitive phenotype (light purple). Chamber myocardium (gray) expands rapidly, whereas primary myocardium (purple) of…

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First and Second Heart Field

Nov 21, 2016 by in CARDIOLOGY Comments Off on First and Second Heart Field

Fig. 3.1 Formation of the heart from the first and second heart fields. Schematic representation of cardiogenesis showing the contribution of the first heart field (FHF – red), located in…

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