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Immunofluorescence staining for cyclooxygenase 2 (COX-2) (Cy3; red) and doublecortin and CaM kinase-like-1 (DCAMKL1) (Alexa 488; green) in normal gastric mucosa (A) and intestinal metaplasia (B). COX-2 and DCAMKL1 colocalize (merged image). The nuclei are stained with 4′,6-diamidino-2-phenylindole (DAPI) (blue).
