Abstract
Human leukocyte antigen (HLA) class II alleles have been previously associated with cervical cancer. However, these associations vary widely across racial and ethnic groups. Therefore, we evaluated the effect of HLA class II alleles on cervical cancer in a Korean population. HLA-DRB1, HLA-DQB1, and HLA-DQA1 alleles were analyzed in 457 cervical cancer patients and compared to those of 926 control subjects. The odds ratio (OR) of each allele between the patients and controls was calculated using the logistic regression model. Patients, had significantly lower frequencies of HLA-DRB1 and HLA-DQB1 alleles than control subjects: HLA-DRB1*13:02:01 (4.4% vs 8.8%; OR 0.48, 95% confidence interval (CI) 0.27–0.84; p = 0.001), HLA-DRB1*04:06 (2.1% vs 4.7%; OR 0.44, 95% CI 0.20–0.97; p = 0.033), and HLA-DQB1*06:04:01 (2.3% vs 5.0%; OR 0.46, 95% CI 0.22–0.94; p = 0.021). No significant association was observed for HLA-DQA1. Protective associations between HLA-DRB1*13:02, HLA-DRB1*04:06, and HLA-DQB1*06:04 alleles and cervical cancer were found in the Korean population
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