A translational swine model for Crohn`s disease
Winogrodzki, T.; Metwaly, A.; Grodziecki, A.; Liang, W.; Klinger, B.; Flisikowski, K.; Flisikowska, T.; Fischer, K.; Steiger, K.; Haller, D.; Schnieke, A.
Show abstract
Crohns Disease (CD) is incurable, and represents a lifelong burden for patients and its incidence is increasing worldwide. A key contributing factor is a dysregulated immune response. Here we report the generation of genome edited pigs with a deletion of the transcript-destabilizing AU-rich element (ARE) and a constitutive decay element (CDE) in the TNF gene which recapitulate major characteristics of human CD, including ulcerative transmural ileocolitis, increased abundance of proinflammatory cytokines, evidence for impaired integrity of the intestinal epithelial cell barrier, immune cell infiltration, and dysbiotic microbial communities. This physiologically relevant CD model enables human-scale and long-term studies to assess diagnostic, nutritional or microbial interventions, filling the gap for translating findings into the clinic.
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