Fig. 4From: Gene expression profiling of inflammatory cytokines in esophageal biopsies of different phenotypes of gastroesophageal reflux disease: a cross-sectional studyGene expression profile of inflammatory cytokines with Abnormal acid exposure (AAE), Normal acid exposure (NAE) and controls (C) mRNA levels. Bars show mean ± SEM of the mean of transcript levels in colonic mucosa from NERD patients with GAPDH as housekeeping gene determined by 2-∆Ct * p < 0.05Back to article page