Assessment of the toll-like receptor 4 Asp299Gly, Thr399Ile and interleukin-8 -251 polymorphisms in the risk for the development of distal gastric cancer
2007

Genetic Factors in Distal Gastric Cancer Risk

Sample size: 337 publication Evidence: moderate

Author Information

Author(s): Elvira Garza-Gonzalez, Francisco J Bosques-Padilla, Sandra I Mendoza-Ibarra, Juan P Flores-Gutierrez, Hector J Maldonado-Garza, Guillermo I Perez-Perez

Primary Institution: Universidad Autónoma de Nuevo León, Monterrey, Mexico

Hypothesis

Does the presence of TLR4 and IL-8 polymorphisms influence the development of distal gastric cancer in a Mexican population?

Conclusion

The IL8-251*A allele may be associated with an increased risk of distal gastric cancer in the studied Mexican population.

Supporting Evidence

  • The study found no significant association between TLR4 Asp299Gly and Thr399Ile polymorphisms and gastric cancer.
  • The IL8-251*A allele was found in 80.77% of gastric cancer patients compared to 66.4% of controls.
  • The odds ratio for the IL8-251*A allele was 2.12, indicating a higher risk of gastric cancer.

Takeaway

This study looked at how certain genes might affect the risk of getting stomach cancer. They found that one specific gene variant could make people more likely to develop the disease.

Methodology

The study involved 337 patients, including 78 with gastric cancer and 259 controls, who were genotyped for specific polymorphisms.

Limitations

The study is limited to a specific population and may not be generalizable to other ethnic groups.

Participant Demographics

The study included 78 patients with gastric cancer (mean age 58.6 years) and 259 non-cancer controls (mean age 57.1 years).

Statistical Information

P-Value

0.023

Confidence Interval

95% CI = 1.1–4.2

Statistical Significance

p = 0.023

Digital Object Identifier (DOI)

10.1186/1471-2407-7-70

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