POSTER SESSION I Monday, March 08, 2004   —  9:30 AM - 12:00 Noon Exhibit Hall B and C PATHOBIOLOGY 183 5-Lipoxygenase in Breast Carcinoma: Correlation with Pathogenesis, Proliferation (MIB-1), Angiogenesis (CD31), and Prognostic Parameters (1359) JK Graham, JD Nolen, A Nassar, C Cohen - Emory University School of Medicine, Atlanta, GA 184 Identification of Cbfa1/Runx2 Downstream Responsive Genes by Microarray Analysis (1360) K Gu, M Cankovic, RB Rutherford - Henry Ford Hospital, Detroit; University of Michigan, Ann Arbor, MI 185 The Role of C5b-9 in the Propagation of Diabetic Dermopathies: Implications Regarding Pathogenesis and Treatment (1363) RC Hughes III, AN Crowson, MC Mihm, CM Magro - Ohio State University Medical Center, Columbus, OH; St. John Medical Center, Tulsa, OK; Massachusetts General Hospital, Boston, MA 186 Critical Role of Vitamin D in Sulfate Homeostasis: Regulation of the Sodium-Sulfate Co-Transporter by 1,25-Dihydroxyvitamin D (1367) W Liu, MJG Bolt, TD Crenshaw, G Qiao, J Kong, T Krausz, G Cs-Szabo, YC Li - University of Chicago, Chicago, IL; University of Wisconsin, Madison, WI; Rush-Presbyterian-St. Luke's Medical Center, Chicago, IL 187 Visualizing Hypoxia-Sensing Pathway Activation and De-Activation: Expression of the Hypoxia Marker GLUT1 in Head and Neck Squamous Carcinoma and Differential Expression between Keratinizing and Poorly Differentiated Non-Keratinizing Squamous Carcinomas (1369) CS Nagi, BW Wang, LY Lee, M Urken, DS Kohtz, DE Burstein - The Mount Sinai School of Medicine, New York, NY 188 Intercellular Junctions in Ewing Sarcoma/ Primitive Neuroectodermal Tumor: An Analysis of 23 Genetically Confirmed Cases (1374) AN Schuetz, BP Rubin, JR Goldblum, B Shehata, SW Weiss, W Liu, FG Barr, AL Folpe - Emory University, Atlanta, GA; U. Washington, Seattle, WA; Cleveland Clinic, Cleveland, OH; U. Pennsylvania, Philadelphia, PA 189 Oxidized Low-Denisty Lipoprotein Suppresses Transcription Factor PU.1 Induction by Inflammatory Mediators in Primary Murine Macrophages (1375) RE Shackelford - Louisiana State University at Shreveport, Shreveport, LA