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Updated: May 23, 2026

Immunoglobulin Gene Sequence Analysis In Chronic Lymphocytic Leukemia: From Patient Material To Sequence Interpretation
Published on: November 26, 2018
Interleukin 2 gene polymorphisms are associated with non-Hodgkin lymphoma
Haihan Song1, Lei Chen, Zhanshan Cha
1Department of Internal Medicine, Emergency Center, Shanghai East Hospital, Tongji University, Shanghai, China.
Interleukin-2 (IL-2) gene polymorphisms, specifically the -330TG and -330GG genotypes, are associated with increased susceptibility to Non-Hodgkin lymphoma (NHL) in the Chinese population. The -330G/+114T haplotype also showed a higher prevalence in NHL cases, suggesting IL-2 gene variations as potential risk factors.
Area of Science:
- Genetics
- Oncology
- Immunology
Background:
- Non-Hodgkin lymphoma (NHL) is a prevalent hematologic malignancy globally.
- Interleukin-2 (IL-2) is crucial for T cell and natural killer cell proliferation.
- Previous studies suggest IL-2 gene polymorphisms link to various cancers.
Purpose of the Study:
- To investigate the association between IL-2 gene polymorphisms and NHL development in the Chinese population.
- To identify specific IL-2 gene variants that may influence NHL risk.
Main Methods:
- Case-control study involving 438 NHL patients and 482 healthy controls.
- Polymerase chain reaction-restriction fragment length polymorphism used to detect IL-2-330T/G and +114T/G polymorphisms.
- Chi-square test and haplotype analysis employed for statistical evaluation.
Main Results:
- Individuals with IL-2 -330TG or -330GG genotypes exhibited significantly higher NHL susceptibility (OR=1.40, OR=2.04).
- The IL-2 +114T/G polymorphism showed no significant correlation with NHL risk.
- A higher prevalence of the IL-2 -330G/+114T haplotype was observed in NHL cases compared to controls (OR=1.45).
Conclusions:
- IL-2 gene polymorphisms, particularly at the -330 position, are identified as potential risk factors for NHL in the Chinese population.
- The -330G/+114T haplotype may contribute to NHL development.
- Further research into IL-2 gene variations could offer insights into NHL pathogenesis and prevention.
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