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Chinese Journal of Digestion and Medical Imageology(Electronic Edition) ›› 2022, Vol. 12 ›› Issue (03): 154-157. doi: 10.3877/cma.j.issn.2095-2015.2022.03.007

• Original Article • Previous Articles     Next Articles

Roles of bile acid in the pathogenesis of Barrett esophageal and esophageal adenocarcinoma

Keli Yang1, Yanjun Ding1, Wansheng Ji2,()   

  1. 1. Department of Gastroenterology, Liaocheng Chiping District People′s Hospital, Chiping 252100, China
    2. Department of Gastroenterology, Affiliated Hospital of Weifang Medical University, Weifang 261031, China
  • Received:2021-06-22 Online:2022-06-01 Published:2022-06-25
  • Contact: Wansheng Ji

Abstract:

Objective

To explore the roles of bile acid in the pathogenesis of Barrett esophagus(BE)and esophageal adenocarcinoma(EAC), and to provide reference for the prevention and treatment of BE and EAC.

Methods

Patients with regurgitation disease questionnaire score>12 points were selected from August 10, 2017 to October 30, 2020 at Chiping People′s Hospital.The patients underwent painless gastroscopy, gastric juice was collected under gastroscope, and mucosa biopsy was performed in the lower esophagus(1 cm above the gastroesophageal junction). The concentration of bile acid in gastric juice and mucosa of lower esophagus was detected.

Results

Bile acid of different concentrations was detected in gastric juice of all patients, and the total bile acid concentration in gastric juice and lower esophageal mucosal tissues of BE and EAC patients was significantly higher than that in gastric juice and lower esophageal mucosal tissues of non-erosive reflux disease(NERD)and reflux esophagitis(RE)patients(both P<0.05).

Conclusion

The concentration of bile acid in gastric juice and lower esophageal mucosa of patients with BE and EAC is significantly higher than that of patients with gastroesophageal reflux diseases without Barrett esophagus, suggesting that bile reflux may be related to the malignant transformation of mucosal cells at the gastroesophageal junction, and inhibition of bile reflux may be a necessary intervention to prevent the occurrence of BE and EAC.

Key words: Barrett esophagus, Esophageal adenocarcinoma, Bile acid

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