Association of host immunity with Helicobacter pylori infection in recurrent gastric cancer

Mayu Sato, Kou Miura, Chihiro Kageyama, Hiroyuki Sakae, Yuka Obayashi, Yoshiro Kawahara, Osamu Matsushita, Kenji Yokota, Hiroyuki Okada

Research output: Contribution to journalArticle

Abstract

Background: Helicobacter pylori infection is associated with the incidence of gastric cancer. Endoscopic resection has been developed as a proper technique to treat early stage of gastric cancer. However, some patients develop recurrent gastric cancer within 5 years after endoscopic treatment. The aim of the present study is to explore a biomarker for detecting people who has high risk of gastric cancer recurrence. Methods: We analyzed the Interleukin-10 (IL-10) single nucleotide polymorphism (SNP) and IgG subclass responses to the bacteria in patients with early gastric cancer and recurrent gastric cancer. Results: Patients with hetero-type in the 1082 SNP and CC genotype in the 592 SNP were at high risk of recurrence of gastric cancer. In patients with genotype carrying high risk of recurrence, IgG1 level tended to be higher than that in patients with other genotypes. Conclusions: Dominance of T helper 2 (Th2) immunity controlled by IL-10 cytokine may be associated with H. pylori-associated gastric cancer recurrence.

Original languageEnglish
Article number4
JournalInfectious Agents and Cancer
Volume14
Issue number1
DOIs
Publication statusPublished - Feb 11 2019

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Helicobacter Infections
Helicobacter pylori
Stomach Neoplasms
Immunity
Single Nucleotide Polymorphism
Recurrence
Genotype
Interleukin-10
Immunoglobulin G
Biomarkers
Cytokines
Bacteria
Incidence

Keywords

  • Helicobacter pylori
  • IgG subclass
  • IL-10
  • Single nucleotide polymorphism

ASJC Scopus subject areas

  • Epidemiology
  • Oncology
  • Infectious Diseases
  • Cancer Research

Cite this

Association of host immunity with Helicobacter pylori infection in recurrent gastric cancer. / Sato, Mayu; Miura, Kou; Kageyama, Chihiro; Sakae, Hiroyuki; Obayashi, Yuka; Kawahara, Yoshiro; Matsushita, Osamu; Yokota, Kenji; Okada, Hiroyuki.

In: Infectious Agents and Cancer, Vol. 14, No. 1, 4, 11.02.2019.

Research output: Contribution to journalArticle

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AU - Sato, Mayu

AU - Miura, Kou

AU - Kageyama, Chihiro

AU - Sakae, Hiroyuki

AU - Obayashi, Yuka

AU - Kawahara, Yoshiro

AU - Matsushita, Osamu

AU - Yokota, Kenji

AU - Okada, Hiroyuki

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