CARLSBAD, Calif.--(BUSINESS WIRE)--International Stem Cell Corporation (OTCBB:ISCOE) announces the discovery of a novel, patent-pending technology to produce unlimited numbers of liver cells (hepatocytes) that are free of contamination with potentially dangerous undifferentiated cells. The technology is based on the natural, physiological properties of the cellular environment, and does not require any additional purification of the final product. The starting materials for the production are pluripotent stem cells, either ISCO’s proprietary human parthenogenetic stem cells (hpSCs) or human embryonic stem cells (hESCs).