Journal article

Changes in gene expression of neo-squamous mucosa after endoscopic treatment for dysplastic Barrett’s esophagus and intramucosal adenocarcinoma

A Levert-Mignon, MJ Bourke, SJ Lord, AC Taylor, AR Wettstein, M Edwards, NK Botelho, R Sonson, C Jayasekera, OM Fisher, ML Thomas, F Macrae, DJ Hussey, DI Watson, RV Lord

United European Gastroenterology Journal | SAGE PUBLICATIONS INC | Published : 2017

Abstract

Background: Endoscopic therapy, including by radiofrequency ablation (RFA) or endoscopic mucosal resection (EMR), is first line treatment for Barrett’s esophagus (BE) with high-grade dysplasia (HGD) or intramucosal cancer (IMC) and may be appropriate for some patients with low-grade dysplasia (LGD). Objective: The purpose of this study was to investigate the molecular effects of endotherapy. Methods: mRNA expression of 16 genes significantly associated with different BE stages was measured in paired pre-treatment BE tissues and post-treatment neo-squamous biopsies from 36 patients treated by RFA (19 patients, 3 IMC, 4 HGD, 12 LGD) or EMR (17 patients, 4 IMC, 13 HGD). EMR was performed prior ..

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