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  • Title: Epidemiology, genes and inflammatory bowel diseases in childhood.
    Author: de Mesquita MB, Civitelli F, Levine A.
    Journal: Dig Liver Dis; 2008 Jan; 40(1):3-11. PubMed ID: 17997369.
    Abstract:
    There is evidence that inflammatory bowel disease is immunologically mediated and that genetic factors play an important aetiological role. The identification of disease susceptibility genes has led to significant progress in our understanding of the pathogenesis of Crohn's disease. Genes linked to Crohn's disease play critical roles in the normal function of the innate immune system, and genes linked to epithelial integrity may play a role in the pathogenesis of inflammatory bowel disease as well. However, the dynamic epidemiology of both Crohn's disease and ulcerative colitis suggests that extrinsic environmental factors acting at the population level may be involved in their pathogenesis. These environmental factors may be responsible for the rising incidence of inflammatory bowel disease.
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