Aortic Valve Disease 2, also known as aortic valve stenosis, is related to aortic valve insufficiency and holt-oram syndrome. An important gene associated with Aortic Valve Disease 2 is SMAD6 (SMAD Family Member 6), and among its related pathways/superpathways are Human Embryonic Stem Cell Pluripotency and Mesenchymal Stem Cells and Lineage-specific Markers. The drugs Propofol and Hydroxocobalamin have been mentioned in the context of this disorder. Affiliated tissues include heart and endothelial, and related phenotypes are coarctation of aorta and calcification of the aorta