TLR2 and inflammatory bowel disease: We next analyzed the correlation between LPS and TLR2 levels; although we did not find any correlation between these two variables, when considering the whole IBD patients (Figure 1(c)) or CD patients (Figure 1(d)), a significant correlation (r = 0.495, P = 0.016) was observed when we considered UC patients separated from CD ones (Figure 1(d)).