First Set in a Series of siRNA Sequence Patent Applications Licensed to RXi Pharmaceuticals are Allowed in the United States

WORCESTER, Mass.--(BUSINESS WIRE)--RXi Pharmaceuticals Corporation (Nasdaq: RXII), a biopharmaceutical company pursuing the development and commercialization of proprietary therapeutics based on RNA interference (RNAi), today announced that Notices of Allowance were recently issued by the United States Patent Office (USPTO) on patent applications filed by Thermo Fisher Scientific Inc. and licensed to RXi Pharmaceuticals encompassing small interfering RNA (siRNA) sequences targeting superoxide dismutase (SOD1), Amyloid beta (A4) precursor protein (APP), interleukin-1 receptor-associated kinase 4 (IRAK4), hepatocyte growth factor receptor (MET protooncogene) and cyclin-dependent kinase (cdk) inhibitor p27 (also known as Kip1, CDKN1B).