POSTER SESSION I Monday, February 28, 2005   —  9:30 AM - 12:00 Noon Convention Center, Exhibit Hall B KIDNEY PATHOLOGY 178 Development of Polycystic Kidney Disease in a Gene Targeting Animal Model Indicates Multiple Genetic Interactions Involved in the Pathogenesis (1231) L Chen, HM Ni, L Bai, XY Chen, D DiFrancesca, XM Yin - University of Pittsburgh School of Medicine, Pittsburgh, PA 179 Hyaline Sclerosis of the Renal Vasa Recta in Chronic Calcineurin-Inhibitor Toxicity (1245) MY Ngae, R Loutzenhiser, H Benediktsson - University of Calgary, Calgary, AB, Canada 180 Correlation of Cylex™ Immune Cell Function Assay with Findings on Renal Transplant Biopsy (1252) L Veith, R McAlack, A Kumar, M Heifets, S Tachev, E Tecza, T Hoang, B Fyfe - Drexel University College of Medicine, Philadelphia, PA; UMDNJ-RWJUH, New Brunswick, NJ