BACKGROUND: Gastroesophageal reflux disease (GERD) leads to endoscopic and histomorphological changes in the gastroesophageal (GE) mucosa. AIMS: To evaluate the expression of the cytokines interleukin-1beta (IL-1beta) and interleukin-8 (IL-8) in the GE mucosa in GERD patients and controls and to correlate the cytokine expression with the histomorphological parameters. METHODS: One hundred and fifteen patients, 48 with erosive reflux disease (ERD) and 41 with non-erosive reflux disease (NERD) with typical GERD-related symptoms, and 26 controls were included. Endoscopic and histological characterization of esophagitis was performed according to the Los Angeles and Ismeil-Beigi/Vieth criteria, respectively. Mucosal gene expression levels of IL-1beta and IL-8 were analyzed by real-time RT-PCR. RESULTS: ERD and NERD patients revealed significant higher levels of IL-1beta and IL-8 transcript levels in the cardia and esophageal mucosa than controls. The esophageal mucosa revealed elevated IL-8 (2.5- and 8.7-fold) and IL-1beta (4.1- and 7.8-fold) transcript levels in NERD and ERD, respectively. Histological analysis demonstrated a stepwise increase of dilatation of intercellular spaces and the degree of basal cell hyperplasia from controls, NERD towards ERD. Gene expression levels of both cytokines correlated with histology. CONCLUSIONS: ERD and NERD are associated with an induction of the proinflammatory cytokines IL-1beta and IL-8 that correlates with histomorphological changes in esophageal mucosa.
BACKGROUND:Gastroesophageal reflux disease (GERD) leads to endoscopic and histomorphological changes in the gastroesophageal (GE) mucosa. AIMS: To evaluate the expression of the cytokines interleukin-1beta (IL-1beta) and interleukin-8 (IL-8) in the GE mucosa in GERDpatients and controls and to correlate the cytokine expression with the histomorphological parameters. METHODS: One hundred and fifteen patients, 48 with erosive reflux disease (ERD) and 41 with non-erosive reflux disease (NERD) with typical GERD-related symptoms, and 26 controls were included. Endoscopic and histological characterization of esophagitis was performed according to the Los Angeles and Ismeil-Beigi/Vieth criteria, respectively. Mucosal gene expression levels of IL-1beta and IL-8 were analyzed by real-time RT-PCR. RESULTS: ERD and NERD patients revealed significant higher levels of IL-1beta and IL-8 transcript levels in the cardia and esophageal mucosa than controls. The esophageal mucosa revealed elevated IL-8 (2.5- and 8.7-fold) and IL-1beta (4.1- and 7.8-fold) transcript levels in NERD and ERD, respectively. Histological analysis demonstrated a stepwise increase of dilatation of intercellular spaces and the degree of basal cell hyperplasia from controls, NERD towards ERD. Gene expression levels of both cytokines correlated with histology. CONCLUSIONS: ERD and NERD are associated with an induction of the proinflammatory cytokines IL-1beta and IL-8 that correlates with histomorphological changes in esophageal mucosa.
Authors: A Altomare; J Ma; M P L Guarino; L Cheng; F Rieder; M Ribolsi; C Fiocchi; P Biancani; K Harnett; M Cicala Journal: Neurogastroenterol Motil Date: 2012-06-26 Impact factor: 3.598
Authors: Xiaofang Huo; Xi Zhang; Chunhua Yu; Qiuyang Zhang; Edaire Cheng; David H Wang; Thai H Pham; Stuart J Spechler; Rhonda F Souza Journal: Gut Date: 2013-09-18 Impact factor: 23.059
Authors: Klaus Mönkemüller; Thomas Wex; Doerthe Kuester; Lucia C Fry; Arne Kandulski; Siegfried Kropf; Albert Roessner; Peter Malfertheiner Journal: BMC Gastroenterol Date: 2012-09-20 Impact factor: 3.067