Interaction of polymorphisms in the Interleukin 1B-31 and general transcription factor 2A1 genes on the susceptibility to gastric cancer

Kyung A. Lee, Jun Hee Park, Tae Sung Sohn, Sung Kim, Jong Chul Rhee, Jong Won Kim

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Proinflammatory genotypes of the IL-1 (interleukin-1) gene have been associated with an increased gastric cancer risk in Caucasians, whereas some studies in Asian populations did not find such association. Furthermore, the risk genotypes differed somewhat between Caucasian and Asian populations. These findings might reflect more complex genetic mechanisms in Asian compared with Caucasian populations. Therefore, we examined a polymorphism (rs1864169) in the general transcription factor 2A1 (GTF2A1) gene as a test of the hypothesis that this transcription factor and IL-IB gene polymorphisms interact in the effects on the gastric cancer risk due to the possible biological relationship between the two genes. Genotyping of the 515 control and 342 case samples was performed by primer extension assay and SNaPshot assays. We found an association between carriage of the IL1B-31C allele and gastric cancer among Koreans, which was observed only in subjects with GTF2A1 GG genotype. The GTF2A1GG/IL1B-31C carrier genotype combination showed stronger association with diffuse type gastric cancer cases. These findings indicate that the effect of the two genetic polymorphisms on risk of gastric cancer is synergistic. Our results also suggest that an additional host genetic factor acting epistatically may differentially contribute to the histogenesis of the diffuse and intestinal subtypes.

Original languageEnglish
Pages (from-to)96-100
Number of pages5
JournalCytokine
Volume38
Issue number2
DOIs
Publication statusPublished - 2007 May 1

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General Transcription Factors
Interleukins
Polymorphism
Stomach Neoplasms
Genes
Genotype
Association reactions
Assays
Population
Interleukin-1
Genetic Polymorphisms
Transcription Factors
Alleles

All Science Journal Classification (ASJC) codes

  • Immunology and Allergy
  • Immunology
  • Biochemistry
  • Hematology
  • Molecular Biology

Cite this

Lee, Kyung A. ; Park, Jun Hee ; Sohn, Tae Sung ; Kim, Sung ; Rhee, Jong Chul ; Kim, Jong Won. / Interaction of polymorphisms in the Interleukin 1B-31 and general transcription factor 2A1 genes on the susceptibility to gastric cancer. In: Cytokine. 2007 ; Vol. 38, No. 2. pp. 96-100.
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Interaction of polymorphisms in the Interleukin 1B-31 and general transcription factor 2A1 genes on the susceptibility to gastric cancer. / Lee, Kyung A.; Park, Jun Hee; Sohn, Tae Sung; Kim, Sung; Rhee, Jong Chul; Kim, Jong Won.

In: Cytokine, Vol. 38, No. 2, 01.05.2007, p. 96-100.

Research output: Contribution to journalArticle

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