Yecuris Corporation is a biotechnology company that develops animal xenograft technologies to support primary human cell and organ engraftment for use in drug discovery, toxicology, infectious disease, and cell therapy applications. The company was founded to commercialize the FRG® KO mouse technology developed in the laboratory of Dr. Markus Grompe of the Oregon Health and Science University. The company has sicne become a leader in humanized animal models for drug development.