AhRR/EGFP expression in the small intestine and in lymph nodes.  Immunofluorescence analysis of frozen sections of the SI, PP and colon of WT, AhRRE/+ and AhRRE/E mice counterstained with DAPI (bars: 200 μm).  Balancing intestinal and systemic inflammation through cell type-specific expression of the aryl hydrocarbon receptor repressor.  Förster et al 2016.