Associations of HLA-DP Variants with Hepatitis B Virus Infection in Southern and Northern Han Chinese Populations: A Multicenter Case-Control Study
2011

HLA-DP Variants and Hepatitis B Virus Infection in Chinese Populations

Sample size: 4601 publication 10 minutes Evidence: high

Author Information

Author(s): Li Jin, Yang Daguo, He Yongwen, Wang Mengyi, Wen Zirong, Liu Lifeng, Yao Jinjian, Matsuda Koichi, Nakamura Yusuke, Yu Jinling, Jiang Xiaorui, Sun Shuzhen, Liu Qing, Jiang Xiang, Song Qilong, Chen Man, Yang Hong, Tang Feng, Hu Xiaowen, Wang Jing, Chang Ying, He Xingxing, Chen Yuan, Lin Jusheng

Primary Institution: Tongji Medical College, Huazhong University of Science and Technology

Hypothesis

The study aimed to examine whether the association between HLA-DP variants and hepatitis B virus (HBV) infection can be replicated in Han Chinese populations.

Conclusion

The study confirmed that two SNPs in the HLA-DP loci were strongly associated with HBV infection in southern and northern Han Chinese populations, but not with HBV progression.

Supporting Evidence

  • The study included 4,601 Han Chinese participants from multiple regions.
  • Two specific SNPs were identified as significantly associated with HBV infection.
  • The genotype distributions of the SNPs differed between southern and northern Chinese populations.
  • No associations were found between the SNPs and HBV progression.

Takeaway

This study found that certain genetic variations in the HLA-DP gene are linked to a higher risk of getting hepatitis B in Chinese people.

Methodology

The study involved genotyping two HLA-DP variants in three independent Han cohorts consisting of 2,805 cases and 1,796 controls, using logistic regression analysis.

Potential Biases

The study noted potential biases due to differences in gender and age distributions among the populations sampled.

Limitations

The study did not find associations of HLA-DP variants with HBV progression, indicating that other factors may influence disease outcomes.

Participant Demographics

The study included unrelated Han Chinese individuals from southern and northern China, with a mix of genders and ages.

Statistical Information

P-Value

P = 3.36×10−8 at rs2395309; P = 2.68×10−10 at rs9277535

Confidence Interval

95% CI: 0.47, 0.70 for rs2395309; 95% CI: 0.43, 0.64 for rs9277535

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0024221

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