Profile: Expression Pathology Inc. is a biotechnology company that focuses on the development of tissue protein analysis methods for research and diagnostic applications. We develop new cancer tests, novel protein biomarkers to aid prognosis & treatment decisions and an accurate mass spectrometry-based alternative to current qualitative methods for measuring proteins in tissue. We offer services that include tissue sourcing, micro-dissection, sample processing, mass spectrometry analysis and bioinformatics analysis. Our Liquid Tissue® sample preparation and Director® laser microdissection technologies are used to extract valuable protein information from FFPE tissue.