The colonic tissue lysate was blended and homogenised as described by [23 (link)]. The expression of pro-inflammatory cytokines INF-γ, IL-6 and TNF-α, were quantified using V-Plex Assay Plates (Meso Scale Diagnostics; Rockville, MD, USA) and analyse as per the manufacturer’s. MPO activity was detected using o-phenylenediamine dihydrochloride as substrate and the data were interpolated from an MPO standard curve (Sigma). Expression of cytokines and MPO was represented as per milligram or U per milligram, respectively, relative to colonic protein.
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