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http://purl.uniprot.org/citations/18537178http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/18537178http://www.w3.org/2000/01/rdf-schema#comment"

Unlabelled

The outcome of hepatitis C virus (HCV) infection has been associated with antiviral CD4 T cell response, human leukocyte antigens (HLA) class II genotypes, and ethnicity. However, HLA class II molecules restrict the nature of CD4 T cell response, and HLA distributions differ between ethnic groups. In this study, we asked whether HLA class II genotypes associated with HCV clearance are shared between Caucasian and African Americans and whether they contribute to enhanced antiviral CD4 T cell response. In a cohort of 93 HCV-seropositive subjects from Northeast America with defined ethnicity, virological outcome, and HCV-specific CD4 T cell proliferation, we confirm the previously reported associations between HCV clearance and two HLA types (DQB1*03, DRB1*11) while identifying a new association with DRB3*02. Strikingly, these associations were identified only among Caucasian [DQB1*03: odds ratio (OR), 10.4; P = 0.031, DRB1*11: OR, 7.0, P = 0.019; DRB3*02: OR, 8.3, P = 0.005; DQB1*03-DRB3*02: OR, 13.5, P = 0.001) but not among African American patients. Furthermore, although HLA DQB1*03, DRB1*11, and DRB3*02 genotypes were associated with increased HCV-specific CD4 T cell response in univariate analyses, these associations were lost when controlling for virological outcomes.

Conclusion

We conclude that the immunogenetic basis for HCV clearance differs between ethnic groups and that the association between HLA class II and HCV clearance is not directly explained by antiviral CD4 T cell response."xsd:string
http://purl.uniprot.org/citations/18537178http://purl.org/dc/terms/identifier"doi:10.1002/hep.22287"xsd:string
http://purl.uniprot.org/citations/18537178http://purl.uniprot.org/core/author"Harris R.A."xsd:string
http://purl.uniprot.org/citations/18537178http://purl.uniprot.org/core/author"Sugimoto K."xsd:string
http://purl.uniprot.org/citations/18537178http://purl.uniprot.org/core/author"Ikeda F."xsd:string
http://purl.uniprot.org/citations/18537178http://purl.uniprot.org/core/author"Kamoun M."xsd:string
http://purl.uniprot.org/citations/18537178http://purl.uniprot.org/core/author"Chang K.M."xsd:string
http://purl.uniprot.org/citations/18537178http://purl.uniprot.org/core/author"Kaplan D.E."xsd:string
http://purl.uniprot.org/citations/18537178http://purl.uniprot.org/core/date"2008"xsd:gYear
http://purl.uniprot.org/citations/18537178http://purl.uniprot.org/core/name"Hepatology"xsd:string
http://purl.uniprot.org/citations/18537178http://purl.uniprot.org/core/pages"70-79"xsd:string
http://purl.uniprot.org/citations/18537178http://purl.uniprot.org/core/title"Human leukocyte antigen class II associations with hepatitis C virus clearance and virus-specific CD4 T cell response among Caucasians and African Americans."xsd:string
http://purl.uniprot.org/citations/18537178http://purl.uniprot.org/core/volume"48"xsd:string
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