Fellowship Research Current Fellows Mariana Middelhof, M.D., Second Year Fellow Research Project Factors affecting copper levels in cholestatic infants on parenteral nutrition Research Mentors: Patricia R. Chess, M.D., Sanjiv B. Amin, M.B.B.S., Marilyn R. Brown. M.D., Prita Mohanty, M.D., Lori H. Scholer, C.D.N. Recent Graduates Vibha Sood, M.B.B.S. Research Project Study of type three secretion system mediated pathogenesis of Vibrio cholerae Research Mentors: Michelle Dziejman, Ph.D., Lawrence J. Saubermann, M.D., Marilyn R. Brown, M.D. Matthew Shields, M.D. Research Project Effects of exercise on cytokine levels in children with Crohn's disease Research Mentors: Mary T. Caserta, M.D., Deborah J. Fowell, Ph.D., Karen M. Mustian, Ph.D., M.P.H., Lawrence J. Saubermann, M.D., Marilyn R. Brown, M.D. Prita H. Mohanty, M.D. Prita H. Mohanty, M.D. Research Projects Prevalence of celiac antibodies in children with autism spectrum disorders Research Mentors: Susan L. Hyman, M.D., Marilyn R. Brown, M.D., Tristram H. Smith, Ph.D. Evaluation of the esophageal microbiome and tight junctions in the development of eosinophilic esophagitis Research Mentors: Lawrence J. Saubermann, M.D., Lisa A. Beck, M.D., Marilyn R. Brown, M.D.,Steven R. Gill, Ph.D. Osama F. Almadhoun, M.D. Research Project Positive IgA tissue transglutaminase antibody titers with normal histology, is that false positive or potential Celiac? Research Mentors: Philip J. Katzman, M.D., David I. Yule, Ph.D., Thomas M. Rossi, M.D., Marilyn R. Brown, M.D. Megan E. Gabel, M.D. Megan E. Gabel, M.D. Research Project TNF-induced liver injury Research Mentors: Gloria S. Pryhuber, M.D., Yi-Horng Lee, M.D., Marilyn R. Brown, M.D. Husam S. Mallah, M.D. Research Project Monocyte cytokine responses as a possible differentiation and activity marker in IBD in children; Duration of pancreatic enzyme elevation in acute pancreatitis Research Mentors: Yi-Horng Lee, M.D.,Lawrence J. Saubermann, M.D., Marilyn R. Brown, M.D.