NOVATO, Calif., March 4, 2010 (GLOBE NEWSWIRE) -- Raptor Pharmaceutical Corp. (“Raptor” or the “Company”) (Nasdaq:RPTP) today announced the publication of data on a proprietary, Mesd (Mesoderm development)-based peptide, also known as WntTide™, licensed by Raptor from Washington University in St. Louis, in the March 1 Early Addition of Proceedings of the National Academy of Sciences. The paper, titled, “LRP6 Overexpression Defines a Class of Breast Cancer Subtype and Is a Target for Therapy,” presents findings from studies conducted by the lab of Dr. Guojun Bu, the inventor of the peptide, and Professor of Pediatrics, Cell Biology and Physiology at Washington University in St. Louis.