CAMBRIDGE, Mass.--(BUSINESS WIRE)--Alnylam Pharmaceuticals, Inc. (Nasdaq: ALNY), a leading RNAi therapeutics company, announced today that it presented new data related to its overall delivery research efforts including the rational design of Mimetic Lipoprotein Particles, or MLPs, a novel technology for the systemic delivery of small interfering RNAs, or siRNAs, the molecules that mediate RNAi. In addition, Alnylam scientists and collaborators presented additional new data on systemic delivery and provided an update on RNA activation (RNAa) technology. These new data were presented at the 5th Oligonucleotide Therapeutics Society/19th Antisense Joint Symposium held November 3-6, 2009 in Fukuoka, Japan.