Article ; Online: G-protein-coupled estrogen receptor prevents nuclear factor-kappa B promoter activation by Helicobacter pylori cytotoxin-associated gene A in gastric cancer cells.
The Journal of veterinary medical science
2023 Volume 85, Issue 12, Page(s) 1348–1354
Abstract: Helicobacter pylori is a well-known pathogen that causes chronic gastritis, leading to the development of gastric cancer. This bacterium has also been detected in dogs, and symptoms similar to those in humans have been reported. The cytotoxin-associated ... ...
Abstract | Helicobacter pylori is a well-known pathogen that causes chronic gastritis, leading to the development of gastric cancer. This bacterium has also been detected in dogs, and symptoms similar to those in humans have been reported. The cytotoxin-associated gene A (CagA) is involved in pathogenesis through aberrant activation of host signal transduction, including the nuclear factor-kappa B (NF-κB) pathway. We have previously shown the anti-inflammatory effect of the G-protein-coupled estrogen receptor (GPER) via inhibiting of NF-κB activation in several cells. Therefore, here, we investigated the effect of GPER on CagA-mediated NF-κB promoter activity and showed that CagA overexpression in gastric cancer cells activated the NF-κB reporter and induced interleukin 8 (il-8) expression, both of which were inhibited by the GPER agonist. |
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MeSH term(s) | Animals ; Dogs ; Humans ; Cytotoxins/metabolism ; Dog Diseases/metabolism ; Gastric Mucosa/metabolism ; GTP-Binding Proteins/metabolism ; Helicobacter Infections/metabolism ; Helicobacter Infections/veterinary ; Helicobacter pylori/genetics ; Helicobacter pylori/metabolism ; Interleukin-8/genetics ; NF-kappa B/metabolism ; Receptors, Estrogen/genetics ; Receptors, Estrogen/metabolism ; Stomach Neoplasms/genetics ; Stomach Neoplasms/metabolism ; Stomach Neoplasms/veterinary |
Chemical Substances | Cytotoxins ; GTP-Binding Proteins (EC 3.6.1.-) ; Interleukin-8 ; NF-kappa B ; Receptors, Estrogen |
Language | English |
Publishing date | 2023-11-13 |
Publishing country | Japan |
Document type | Journal Article |
ZDB-ID | 1071753-5 |
ISSN | 1347-7439 ; 0916-7250 |
ISSN (online) | 1347-7439 |
ISSN | 0916-7250 |
DOI | 10.1292/jvms.23-0054 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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