Open Biosystems Helps Drexel University ''Knock Out’’ Genes Associated With Alzheimer’s Disease; Drexel University’s RNAi Resource Center Relies On Open Biosystems’ Comprehensive Expression Arrest(TM) shRNAmir Retroviral Library To Advance Research Effort

HUNTSVILLE, Ala.--(BUSINESS WIRE)--Sept. 18, 2006--Open Biosystems, Inc., focused on the commercialization of leading-edge life science research tools for drug discovery, today announced that Drexel University is using its Expression Arrest(TM) shRNAmir retroviral library to identify and analyze genes associated with Alzheimer’s disease.