P146 OXPHOS INDUCTION IN HEALING: A CRITICAL MISSING STEP IN INFLAMMATORY BOWEL DISEASE?

In Inflammatory Bowel Disease (IBD), mucosal healing represents a key outcome in clinical remission. Mitochondrial dysfunction is one of the major features of IBD, which is hallmarked by increased oxidative stress and impaired ATP production. However, partial wound healing continues even with repressed mitochondrial respiration in an inflammatory environment. In this study, we demonstrate that intestinal epithelial cells (IEC) responding to colitis produce a gene signature with downregulated mitochondrial expression associated with oxidative phosphorylation (OxPHOS) and upregulate epithelial-to-mesenchymal transition (EMT).

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