Figure 2.

Clinical Approaches Displaying Cell Types and Deliveries. Lines connecting cell type and delivery method show which combinations have been used in major trials to date. Dashed lines represent acute myocardial infarction trials. Solid lines represent heart failure trials. Progression up the pyramid reveals the more promising and useful clinical approaches. * = Embryonic Stem Cells; ^† = induced Pluripotent Stem Cells; ^‡ = Cardiac Stem Cells; ^§ = Endothelial Progenitor Cells; ^|| = Adipose-derived Stem Cells; ^¶ = Bone Marrow Derived Cells; ^# = Mesenchymal Stem Cells; ^** = Multipotent Adult Progenitor Cells