PRC1 (polycomb complex) maintains intestinal homeostasis by repressing the expression of ZICs, a family of transcription factors inactivating the β-catenin/TCF complex. Importantly, interfering with PRC1 activity completely inhibits the formation of Wnt-dependent tumors.
Researchers at the University of Tampere discovered a regulation mechanism governing the intestinal homeostasis. Disturbances in this mechanism are implicated in celiac disease and possibly also in colorectal cancer. The study provides new information on the pathogenesis of the differentiation defect of the epithelium in the small intestine in celiac disease.
In celiac disease, ingested dietary gluten causes intestinal mucosal damage with villus atrophy and crypt hyperplasia...
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