POSTER SESSION I Monday, February 28, 2005   —  9:30 AM - 12:00 Noon Convention Center, Exhibit Hall B PATHOBIOLOGY 193 Clinical Proteomics: In Vivo Molecular Signaling Profiles of Human Tumors, Pre and Post Tumor Perfusion with Experimental Chemotherapy (1372) KR Calvo, V Espina, A Rodriguez, S Hoatson, EF Petricoin, HR Alexander, LA Liotta, JF Pingpank - NIH/National Cancer Institute, Bethesda, MD 194 Distribution and Expression of Pancreatic Duodenal Transcription Factor 1 (PDX-1) in Bile Duct, Pancreas and Gastrointestinal Tract Mucosa (1374) C Deng, YL Liu, P Cho, M Tung, JF Silverman - Allegheny General Hospital, Pittsburgh, PA 195 Spectrum of KOC K Homology Domain Containing Protein Over-Expressed in Cancer Immunostaining among Carcinomas of Different Sites (1381) S Istvanic, GR Fanger, AE Fraire, A Khan, C Li, RK Yantiss - UMass Memorial Health Care, Worcester, MA; Corixa Corporation, Seattle, WA 196 Distinguishing Fibrovascular Septa from the Extravascular Patterned Matrix of Vasculogenic Mimicry (1383) AY Lin, S Kadkol, J Pe'er, S Setty, D Majumdar, L Leach, AJ Maniotis, R Folberg - University of Illinois at Chicago, Chicago, IL; Hadassah University Hospital, Jerusalem, Israel 197 The Ataxia-telangiectasia Gene Product Is Required for Genomic Stability Following Labile Ferric Iron Exposure (1392) RE Shackelford, RP Manuszak, S Wang, M Lowery-Norberg, A Chen - Louisiana State University, Shreveport, LA; Iowa Cancer Research Foundation, Urbandale, IA 198 Dynamic Duo Orchestrates the Double-Edged Sword (1394) EX Wei, M Sasaki, VL Dawson, TM Dawson - Louisiana State University, Shreveport, LA; Johns Hopkins University, Baltimore, MD