WATERTOWN, Mass.--(BUSINESS WIRE)--Dicerna Pharmaceuticals, Inc. (www.dicerna.com), a second generation RNA interference company developing novel therapeutics utilizing its proprietary Dicer Substrate Technology™, today announced that James Jenson, Ph.D., chief executive officer of Dicerna, will present at the Piper Jaffray 20th Annual Health Care Conference on December 3, 2008 at 2:30 p.m. (EST) at The Palace Hotel in New York, New York.