The M2iSH laboratory showed with two previous clinical trials that Crohn's Disease (CD) macrophages present i) a defect to control Adherent-Invasive Escherichia coli (AIEC) infection related to polymorphisms associated with CD; ii) a CD - specific cytokine secretion profile after an AIEC infection and intestinal inflammation dependent; iii) a modification of the response of CD macrophages at a basal state and after the AIEC infection. These results consolidate the hypothesis of a defect specific to CD macrophages. That's why, the primary purpose of this study is to realize a proteomic analysis of macrophages of CD patients infected or not with AIEC and to compare them to Ulcerative Colitis (UC) patients and healthy volunteers.
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Compare the proteomic profile of macrophages of patients with CD to patients with UC and healthy subjects in the basal state
Timeframe: at day 1