Abstract:
BACKGROUND:Although human leukocyte antigens (HLA) have been shown in association with the outcomes of hepatitis C virus (HCV) infection among different ethnic groups, such studies remain absent in China, where the HCV prevalence is higher than the global average. METHODS:In this study, 426 HCV-infected and 709 uninfected blood donors were analyzed, among whom the HLA alleles were sequenced using a high-resolution genotyping method. RESULTS:At the 2-digit level, none of the alleles showed a statistical difference between the HCV-infected and uninfected groups. However, at the 4-digit level, the HLA-B alleles B*15:01 and B*15:02 showed an opposite association with HCV infection, i.e. B*15:01 was significantly higher in the HCV-infected group (odds ratio, OR = 1.561, p = 0.010), while B*15:02 was significantly higher in the uninfected group (OR = 0.778, p = 0.016). We also identified a higher frequency of B*13:02 in the HCV-infected group (OR = 1.515, p = 0.009) and a higher frequency of B*07:05 in the uninfected group (OR = 0.299, p = 0.001). CONCLUSIONS:The frequencies of four HLA alleles, B*07:05, B*13:02, B*15:01, and B*15:02, were found to be significantly different between the HCV-infected and uninfected blood donors in China, revealing an inverse relation of B*15:01 and B*15:02 with HCV infection. This finding suggests that the ethnic genetic variations of HLA may greatly affect the host immune responses against HCV.
journal_name
Intervirologyjournal_title
Intervirologyauthors
Xiong H,Huang J,Rong X,Zhang M,Huang K,Xu R,Wang M,Li C,Liao Q,Xia W,Luo G,Ye X,Lu L,Fu Y,Guo T,Nelson Kdoi
10.1159/000369209subject
Has Abstractpub_date
2015-01-01 00:00:00pages
80-7issue
2eissn
0300-5526issn
1423-0100pii
000369209journal_volume
58pub_type
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