crohn’s disease: a role of gut microbiota and nod2 gene polymorphisms in disease pathogenesis

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ID: 139233
2014
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Abstract
Crohn’s disease is a chronic immune-mediated intestinal inflammation targeted against a yet incompletely defined subset of commensal gut microbiota and occurs on the background of a genetic predisposition under the influence of environmental factors. Genome-wide association studies have identified about 70 genetic risk loci associated with Crohn’s disease. The greatest risk for Crohn’s disease represent polymorphisms affecting the CARD15 gene encoding nucleotide-binding oligomerization domain 2 (NOD2) which is an intracellular sensor for muramyl dipeptide, a peptidoglycan constituent of bacterial cell wall. The accumulated evidence suggests that gut microbiota represent an essential, perhaps a central factor in the induction and maintaining of Crohn’s disease where dysregulation of normal co-evolved homeostatic relationships between intestinal microbiota and host mucosal immune system leads to intestinal inflammation. Taken together, these findings identify Crohn’s disease as a syndrome of overlapping phenotypes that involves variable influences of genetic and environmental factors. A deeper understanding of different genetic abnormalities underlying Crohn’s disease together with the identification of beneficial and harmful components of gut microbiota and their interactions are essential conditions for the categorization of Crohn’s disease patients, which enable us to design more effective, preferably causative, individually tailored therapy.
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hrnov2014actacrohns Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Lucia Hrnčířová;Jan Krejsek;Igor Šplíchal;Tomáš Hrnčíř
Journal journal of the brazilian chemical society
Year 2014
DOI
10.14712/18059694.2014.46
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