POSTER SESSION I Stowell-Orbison/Surgical Pathology/Autopsy Awards Poster Monday, March 19, 2012   —  9:30 AM - 12:00 Noon CC Exhibit Hall B3 & C Click on the blue numbers in parentheses to display abstracts. Click the button next to any title to add to Itinerary Planner... PATHOBIOLOGY Poster# Title and Authors Itinerary Planner 281 Differential Regulation of Expression of ER Stress Proteins by BRCA1 during Ovarian Follicular Development (1923) E Enbom, Y Liu, A Lee, L Dubeau - University of Southern California, Los Angeles, CA; Harbor- UCLA, Torrance, CA Add 282 Spleen Is Indispensable for Lymphomagenesis in a Notch- Driven Acute T-Cell Lymphoblastic Leukemia/Lymphoma (T-ALL) Murine Model (1921) Y Ding, H Xiong, JJ Lafaille - New York University Langone Medicial Center, New York, NY Add 283 Anti-Tn Antibody Specifically Recognizes Neoplastic Lesions (1946) SR Stowell, C Gooden, C Cohen, T Ju, RD Cummings - Emory University, Atlanta, GA Add 284 Tumor Suppressor eIF3f Inhibits Translation by Regulating rRNA Degradation (1943) J Shi, F Wen, R Zhou, A Shen, A Choi - University of Arizona, Tucson, AZ; Fifth People´s Hospital of Shanghai, Shanghai, China Add 285 Mannose-Binding Lectin: Analysis of Structural Gene Mutations, Promoter Polymorphisms and Serum Protein Concentrations in a Large Population of Organ Transplant Patients (1945) HL Stevenson, A Amador, J McCue, G Ciancio, L Chen, A Mattiazi, J Sageshima, G Guerra, W Kupin, G Burke III, S Pham, A Tzakis, P Ruiz - University of Texas Medical Branch, Galveston, TX; UM Miller School of Medicine, Miami, FL Add 286 Evaluation of MAP-Kinase Pathway in Sinonasal Melanomas (1932) CP Kragel, T Isayeva, P DeVilliers, A Andea - University of Alabama at Birmingham, Birmingham, AL Add 287 Loss of Function of the Circadian Clock Gene Period Promotes the Development of Intestinal Tumors in Aging Flies (1918) CK Chen, MA Roberts, FR Jackson, RN Salomon - Tufts Medical Center, Boston, MA; Tufts University School of Medicine, Boston, MA Add