Behçet's disease (BD) is a systemic vasculitis that affects, especially, young people. Although its etiology remains unexplained, data suggest that the inflammatory response during BD results from a disruption of the homeostasis of innate and adaptive immune responses in genetically predisposed people. The microbiota could play a triggering role in BD, in particular the salivary and dental plaque microbiota. The aim of the Behçetbiot study is therefore to establish microbial profiles of dental plaque, pathological (on the mouth ulcer) and non-pathological mucous membrane, salivary and digestive and to compare them with control subjects not suffering from BD, related to the first degree, of the same socio-cultural level and to determine whether dysbiosis is correlated with a local and systemic pro-inflammatory response, by measuring salivary level of pro-inflammatory cytokines and blood level of CRP, fibrinogen, orosomucoïd and haptoglobin, and to compare them with controls.
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Oral microbiota
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