Chemoprevention for Barrett's esophageal adenocarcinogenesis by inhibiting bile acid receptor, FXR.

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We examined chemopreventive effect of gugglesterone(GS), an antagonist of farnesoid X receptor, on Barrett's esophageal cancer using rodent duodenoesophageal reflux model. Animals were divided into 3 groups, high GS group, low GS group and control and sacrificed 20, 40, 50 weeks after operation. There were no significant differences between 3 groups in the incidences of hyperplasia, columnar epithelia, dysplasia, and carcinoma in all terms. These results suggested that GS had no preventive effect on the esophagocarcinogenesis in this model.