Racial differences in HLA class II associations with hepatitis C virus outcomes

Chloe L. Thio, David L. Thomas, James J. Goedert, David Vlahov, Kenrad E. Nelson, Margaret W. Hilgartner, Stephen J. O'Brien, Peter Karacki, Darlene Marti, Jacquie Astemborski, Mary Carrington

Research output: Contribution to journalArticlepeer-review

157 Scopus citations


A broad, vigorous CD4 T cell response, mediated by class II human leukocyte antigens (HLAs), favors hepatitis C virus (HCV) clearance. HLA-DQB1*0301 has been associated with viral clearance in an ethnically homogeneous cohort. To validate this association and to identify other class II associations in an ethnically varied cohort, molecular class II HLA typing was performed on 200 HCV clearance and 374 matched persistently infected subjects. HLA-DQB1*0301 was weakly associated with viral clearance in combined ethnic groups (odds ratio [OR], 0.72; 95% confidence interval [CI], 0.53-0.97) but was stronger in black subjects. In white subjects, viral clearance was associated with DRB1*0101 (OR, 0.32; 95% CI, 0.17-0.60) and its DQB1*0501 haplotype, whereas viral persistence was associated with DRB1*0301 (OR, 2.36; 95% CI, 1.23-4.52) and its DQB1*0201 haplotype. These results support a role for class II alleles in the immune response to HCV and underscore the importance of studying genetic associations in an ethnically diverse cohort.

Original languageEnglish (US)
Pages (from-to)16-21
Number of pages6
JournalJournal of Infectious Diseases
Issue number1
StatePublished - Jul 1 2001

ASJC Scopus subject areas

  • Immunology and Allergy
  • Infectious Diseases


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