VANCOUVER, BC--(MARKET WIRE)--Aug 16, 2007 -- Upstream Biosciences Inc. (OTC BB:UPBS.OB - News), today announced it has signed an agreement with Analytical Biological Services, Inc. (ABS), to supply tissue samples to further the development of the Upstream biomarker program. Pursuant to the agreement, ABS will specifically supply human tissue samples for both prostate and liver cancers, and ABS is positioned to supply the donor medical data, histological and pathological data when required. Upstream discovers and develops proprietary diagnostic and prognostic biomarkers to improve the early detection of certain cancers including prostate and liver, and to predict the individual patient response to specific treatments. Terms of the agreement were not disclosed.