CAMBRIDGE, Mass.--(BUSINESS WIRE)--Idera Pharmaceuticals, Inc. (NASDAQ: IDRA) today announced data from preclinical studies of IMO-8400, demonstrating a novel mechanism of action that may be applicable to the treatment of systemic lupus erythematosus (SLE) and psoriasis. IMO-8400 is an inhibitor of specific Toll-like receptors (TLRs). The data were presented at the American Association of Immunologists (AAI) meeting being held in Boston, Massachusetts May 4-8, 2012.