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Posters: MONDAY
Immunology, Microbiology, Inflammation

[118] ANTIBIOTIC SUSCEPTIBILITY OF ATTACHED AND FREE-FLOATING H. PYLORI
Joanne L Simala-Grant¹, David Zopf², Diane E Taylor^1
1Department of Medical Microbiology and Immunology, University of Alberta, Edmonton, Alberta; ²Neose Technologies Inc, Horsham, Pennsylvania, USA

[119] CLOSTRIDIUM PERFRINGENS ISOLATED FROM NEONATAL STOOLS REDUCES A VARIETY OF BILE PIGMENTS TO UNCONJUGATED AND TO CONJUGATED UROBILINOIDS
L Vítek, P Kotal, M Jirsa, J Malina¹, J Fevery²
Institute of Clinical Biochemistry, Charles University; ¹Department of Clinical Microbiology, Barrandov Med Center, Prague, Czech Republic; ²Department of Medicine, KU Leuven, Belgium

[120] GIARDIA-INDUCED EPITHELIAL BARRIER DYSFUNCTION IN HUMAN DUODENAL MONOLAYERS IS DUE TO INCREASED ENTEROCYTE APOPTOSIS
AC Chin¹, K Mitchell¹, DA Teoh¹, KG-E Scott¹, WK MacNaughton², AG Buret¹
Departments of ¹Biological Sciences, and ²Physiology and Biophysics, University of Calgary, Calgary, Alberta

[121] ANTIMICROBIAL SUSCEPTIBILITY TESTING OF H. PYLORI: LABORATORY PROFICIENCY AND COMPARISON OF AGAR DILUTION AND E TEST METHODS
LM Best, S Veldhuyzen van Zanten, DJM Haldane
Canadian H pylori Susceptibility Study Participants. Queen Elizabeth II Health Sciences Centre for Clinical Research, Halifax, Nova Scotia

[122] TAPEWORM INFECTION AMELIORATES THE EPITHELIAL ION TRANSPORT IRREGULARITIES OBSERVED IN DEXTRAN-SULPHATE SODIUM (DSS)-INDUCED MURINE COLITIS
C Reardon, A Sanchez, CM Hogaboam¹, DM McKay
IDRP, McMaster University, Hamilton, Ontario, and ¹Department of Pathology, University of Michigan, Ann Arbor, Michigan, USA

[123] THE MITOGEN-ACTIVATED PROTEIN KINASE (MAPK) ERK CONTRIBUTES TO TH2 (IL-4) BUT NOT TH1 (IF GAMMA) DISRUPTION OF INTESTINAL EPITHELIAL BARRIER FUNCTION
James Watson, Peter Ceponis, Derek McKay
Intestinal Disease Research Programme, McMaster University, Hamilton, Ontario

[124] IL-4 UPREGULATES EXPRESSION OF CD23 ON MOUSE ENTEROCYTES AND IGE/CD23-MEDIATED ENHANCED TRANSEPITHELIAL ANTIGEN TRANSPORT IN SENSITIZED MICE
LCH Yu, PC Yang, MC Berin, DM McKay, AR Satoskar¹, MH Perdue
IDRP, McMaster University, Hamilton, Ontario; ¹Department of Immunology & Infectious Diseases, Harvard University School of Medicine, Boston, Massachusetts, USA

[125] IFN GAMMA AND TNF ALPHA IMPAIR INTESTINAL EPITHELIAL BARRIER FUNCTION BY AFFECTING DIFFERENT PERMEABILITY PATHWAYS
PK Singh, PC Yang, V Di Leo, MH Perdue
IDRP, McMaster University, Hamilton, Ontario

[126] DEFINING THE ROLE OF THE HOST RESPONSE IN HELICOBACTER IN INDUCED GASTRIC INJURY
PL Beck¹, RJ Xavier², T Kosaka, C Dangler³, T Wang², J Fox^3
1University of Calgary GI Research Group, Calgary, Alberta; ²Massachusetts General Hospital, Boston, and ³Massachusetts Institute of Technology, Cambridge, Massachusetts, USA

[127] TYROSINE PHOSPHORYLATION OF THE EGF RECEPTOR FOLLOWING TNF-ALPHA TREATMENT ACCOMPANIES TNF-ALPHA-DEPENDENT CELL-CYCLE ARREST IN INTESTINAL EPITHELIAL CELLS
HB Jijon, N Nikhanj, HG Parsons
Gastrointestinal Research Group, University of Calgary, Calgary, Alberta

[128] DOES BEHAVIOURAL PHENOTYPE INFLUENCE SUSCEPTIBILITY TO INTESTINAL INFLAMMATION?
D El-Ashry, A Varghese, G McQueen, PA Blennerhasett, E Verdu, SM Collins
Hamilton, Ontario