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Expression patterns of pancreatic-duodenal homeobox 1 (PDX1) and the mucins MUC6 and MUC5AC in representative serial sections through intestinal metaplasia. (A) PDX1 positive reactivity is located in nuclei along the intestinalised epithelium. (B) No MUC6 expression is seen in intestinal metaplasia. (C) MUC5AC expression is evident in perinuclear portions of cells. Original magnification: 200×.
