Expression of ETS1 in gastric epithelial cells positively regulate inflammatory response in Helicobacter pylori-associated gastritis.

Abstract:

:Gastric epithelial cells (GECs) provide the first point of contact of the host by Helicobacter pylori (H. pylori), and the interaction between H. pylori and GECs plays a critical role in H. pylori-associated diseases. Aberrant expression of transcription factors (TFs) contributes to the pathogenesis of inflammatory disorders, including H. pylori-associated gastritis. ETS (E26 transformation specific) transcription factor family is one of the largest families of evolutionarily conserved TFs, regulating critical functions during cell homeostasis. We screened ETS family gene expression in H. pylori-infected mouse and human GECs and found that ETS1 (ETS proto-oncogene 1, transcription factor) expression was highly affected by H. pylori infection. Then, we reported that ETS1 was induced in GECs by H. pylori via cagA activated NF-κB pathway. Notably, we demonstrated that proinflammatory cytokines IL-1β and TNFα have synergistic effects on ETS1 expression during H. pylori infection in an NF-κB-pathway-dependent manner. RNA-seq assay and Gene-ontology functional analysis revealed that ETS1 positively regulate inflammatory response during H. pylori infection. Increased ETS1 is also detected in the gastric mucosa of mice and patients with H. pylori infection. Collectively, these data showed that ETS1 may play an important role in the pathogenesis of H. pylori-associated gastritis.

journal_name

Cell Death Dis

journal_title

Cell death & disease

authors

Teng Y,Cang B,Mao F,Chen W,Cheng P,Peng L,Luo P,Lu D,You N,Zou Q,Zhuang Y

doi

10.1038/s41419-020-2705-8

subject

Has Abstract

pub_date

2020-07-01 00:00:00

pages

498

issue

7

issn

2041-4889

pii

10.1038/s41419-020-2705-8

journal_volume

11

pub_type

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