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Tumor Biology

, Volume 36, Issue 3, pp 2033–2039 | Cite as

Association of interleukin 22 polymorphisms with gastric cancer risk

  • Shan-yu Qin
  • Xian-wen Yang
  • Wei Luo
  • Mei Chen
  • Zhi-ling Liu
  • Si-biao Su
  • Hai-xing Jiang
Research Article

Abstract

Interleukin (IL)-22 has been implicated in inflammation and tumorigenesis. To date, no studies have investigated the role of IL-22 polymorphism in the carcinogenesis of gastric cancer (GC). In this study, we aimed to investigate the association of IL-22 polymorphisms with the risk of GC in a Chinese population. One hundred eight GC patients and 110 healthy controls were included in the study. IL-22 rs1179251, rs2227485, and rs2227473 polymorphisms were determined by PCR amplification and DNA sequencing. Haplotypes were constructed, and a possible association of these haplotypes with GC was assessed. The distribution of IL-22 rs1179251 polymorphism with clinical parameters was also analyzed. The IL-22 rs1179251 polymorphism was significantly associated with an increased risk of GC (p < 0.05). Stratified analysis revealed that rs1179251 was associated with advanced stages, lymph node metastases, and distant metastases of GC (p < 0.05). No associations were found between rs2227485 and rs2227473 and the risk of GC (p > 0.05). Three possible haplotypes (Crs1179251-Crs2227485-Grs2227485, Crs1179251-Trs2227485-Grs2227485, and Grs1179251-Trs2227485-Ars2227485) were identified, but no associations were found between these and the risk of GC (p > 0.05). In summary, our study demonstrates that the rs1179251 polymorphism of IL-22 was associated with an increased risk of GC and may influence the progression of GC. Future larger studies with other ethnic populations are required to confirm these findings.

Keywords

Interleukin-22 Gastric cancer Polymorphism 

Notes

Acknowledgments

This work was supported by grants from the National Natural Scientific Foundation of China (81260083; 31360221). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Conflict of interest

None

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Copyright information

© International Society of Oncology and BioMarkers (ISOBM) 2014

Authors and Affiliations

  • Shan-yu Qin
    • 1
  • Xian-wen Yang
    • 1
  • Wei Luo
    • 1
  • Mei Chen
    • 1
  • Zhi-ling Liu
    • 1
  • Si-biao Su
    • 1
  • Hai-xing Jiang
    • 1
  1. 1.Department of GastroenterologyThe First Affiliated Hospital of Guangxi Medical UniversityNanningPeople’s Republic of China

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