Molecular Pathways and Animal Models of Atrial Septal Defect

Magnan, RA; Kang, L; Degenhardt, KR; Anderson, RH; Jay, PY

doi:10.1007/978-3-031-44087-8_25

Molecular Pathways and Animal Models of Atrial Septal Defect

Lookup NU author(s): Professor Bob Anderson

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Abstract

© 2024. The Author(s), under exclusive license to Springer Nature Switzerland AG. The relative simplicity of the clinical presentation and management of an atrial septal defect belies the complexity of the developmental pathogenesis. Here, we describe the anatomic development of the atrial septum and the venous return to the atrial chambers. Experimental models suggest how mutations and naturally occurring genetic variation could affect developmental steps to cause a defect within the oval fossa, the so-called secundum defect, or other interatrial communications, such as the sinus venosus defect or ostium primum defect.