ODC Mouse Group, Inc. a start-up biotechnology company located in Drexel Hill, Pennsylvania was formed by scientists, including Dr. O'Brien, at the Lankenau Medical Research Center in Wynnewood, PA in suburban Philadelphia. The company has, in addition to the K6/ODC model, other proprietary models in various stages of research and development. Its goal is to provide well-validated, cost-effective, genetically engineered mouse models to the toxicology community for a variety of purposes, including research, preclinical testing, and risk assessment analysis