VANCOUVER, BC--(Marketwire - June 25, 2008) - Upstream Biosciences Inc. (OTCBB: UPBS) today announced the appointment of Alexander Tropsha, Ph.D. of the University of North Carolina (UNC), one of the world’s leading chemoinformatics experts, to the company’s Scientific Advisory Board. Chemoinformatics combines chemistry and computer science to accelerate the speed and reduce the cost of discovering drugs to treat disease.