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Functional interleukin-21 polymorphism is a protective factor of diffuse large B-cell lymphoma
Hui Wang1, Mingjun Wang, Zhenjun Feng
11 Department of Hematology, Yantai Yuhuangding Hospital , Yantai, Shandong Province, China .
DNA and Cell Biology
|August 16, 2014
Summary
Genetic variations in Interleukin-21 (IL-21) were studied for their link to diffuse large B-cell lymphoma (DLBCL) susceptibility. The rs907715 polymorphism appears protective against DLBCL and influences IL-21 serum levels.
Area of Science:
- Immunology
- Genetics
- Oncology
Background:
- Interleukin-21 (IL-21) is a cytokine crucial for antitumor immune responses.
- Diffuse large B-cell lymphoma (DLBCL) is the most prevalent form of non-Hodgkin lymphoma.
Purpose of the Study:
- To investigate the association between IL-21 genetic polymorphisms and DLBCL susceptibility.
- To explore the functional implications of these IL-21 polymorphisms in DLBCL.
Main Methods:
- Examined two IL-21 polymorphisms (rs907715G/A and rs2221903A/G) in 212 DLBCL patients and 232 healthy controls.
- Analyzed genotype frequencies, their association with DLBCL risk and disease stage.
- Correlated IL-21 polymorphisms with serum IL-21 levels.
Main Results:
- The rs907715GA and AA genotypes were significantly less frequent in DLBCL patients compared to controls.
- The rs2221903A/G polymorphism showed no significant difference between patients and controls.
- The rs907715AA genotype was associated with advanced Ann Arbor stages (III+IV) and higher serum IL-21 levels.
Conclusions:
- The IL-21 rs907715G/A polymorphism may confer a protective effect against DLBCL development.
- This polymorphism potentially influences DLBCL susceptibility by affecting serum IL-21 levels.
