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Associate Professor (adjunct), Clinical Medicine, Trinity College Dublin, Senior Scientist, Tallaght Hospital.

Maria is a qualified Clinical Nutritionist (1993), experienced Clinical Researcher (PhD 1999) and adjunct Associate Professor. Her research interests are in ‘Diet, Lifestyle & Inflammation’ in digestive diseases in collaboration with colleagues in Gastroenterology at AMNCH, SJH, internationally and with postgraduate researchers Ewa Wilcz and Tara Raftery.

Her research focuses on the role of nutrition, in particular vitamin D and obesity, in the initiation, prevention and treatment of inflammatory diseases. She also works on the role of mast cells and intestinal permeability in irritable bowel syndrome. This research is funded through competitive government grants, including a large HEA consortium grant, the Irish Research Council, non-profit organisations and an EU COST action network.

Maria has published and presented original research extensively in Europe and North America as well as invited lectures and co-chairs. She has in excess of 125 publications, with 40 full papers.  Currently, she is Editor of the Proceedings of the Nutrition Society, invited reviewer for 13 journals and an expert grant evaluator for the European Commission (Brussels) and the US Department of Defence. (Washington, DC).

Recent publications

  1. Vitamin D: New Roles and Therapeutic Potential in Inflammatory Bowel Disease. Raftery T, O'Morain C, O'Sullivan M. Curr Drug Metab. 2012 Apr 10. [Epub]
  2. Vitamin D deficiency in Crohn's disease: prevalence, risk factors and supplement use in an outpatient setting. Nic Suibhne T, Cox G, Healy M, O'Morain C, O'Sullivan M. J Crohns Colitis. 2012 ;6:182-8.
  3. Vitamin D status and cytokine levels in patients with Crohn's disease. Kelly P, Suibhne TN, O'Morain C, O'Sullivan M. Int J Vitam Nutr Res. 2011l;81:205-10.
  4. Risk factors for cardiovascular events in inflammatory bowel disease. Raftery T, O'Sullivan M. Am J Gastroenterol. 2011;106(11):2042.