Stem cells have always been a huge interest for scientists due to their unique properties that make them unlike any other cell in the body. Generally, the idea boils down to harnessing the power of plasticity and the ability to go from an unspecialized cell to a highly specialized differentiated cell. ESCs play an incredibly important role in establishing the vascular network that is vital for a functional circulatory system. Consequently, EPCs are under study to determine the potential for treatment of ischemic heart disease. Scientists are still trying to find a way to definitely distinguish the stem cell from the progenitor. In the case of endothelial cells, it is even difficult to distinguish a mature EC from an EPC. However, because of the multipotency of the ESC, the discoveries made about EPCs will parallel or understate the powers of the ESC.
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