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. 1999 Feb 1;93(3):936-41.

Combined genotypes of CCR5, CCR2, SDF1, and HLA genes can predict the long-term nonprogressor status in human immunodeficiency virus-1-infected individuals

M Magierowska  1 , I Theodorou, P Debré, F Sanson, B Autran, Y Rivière, D Charron, D Costagliola
Affiliations
  • PMID: 9920843
Free article

Combined genotypes of CCR5, CCR2, SDF1, and HLA genes can predict the long-term nonprogressor status in human immunodeficiency virus-1-infected individuals

M Magierowska et al. Blood. .
Free article

Abstract

Human immunodeficiency virus (HIV)-1-infected long-term nonprogressors (LT-NP) represent less than 5% of HIV-1-infected patients. In this work, we tried to understand whether combined genotypes of CCR5-triangle up32, CCR2-64I, SDF1-3'A and HLA alleles can predict the LT-NP status. Among the chemokine receptor genotypes, only the frequency of the CCR5-triangle up32 allele was significantly higher in LT-NP compared with the group of standard progressors. The predominant HLA alleles in LT-NP were HLA-A3, HLA-B14, HLA-B17, HLA-B27, HLA-DR6, and HLA-DR7. A combination of both HLA and chemokine receptor genotypes integrated in a multivariate logistic regression model showed that if a subject is heterozygous for CCR5-triangle up32 and homozygous for SDF1 wild type, his odds of being LT-NP are increased by 16-fold, by 47-fold when a HLA-B27 allele is present with HLA-DR6 absent, and by 47-fold also if at least three of the following alleles are present: HLA-A3, HLA-B14, HLA-B17, HLA-DR7. This model allowed a correct classification of 70% of LT-NPs and 81% of progressors, suggesting that the host's genetic background plays an important role in the evolution of HIV-1. The chemokine receptor and chemokine genes along with the HLA genotype can serve as predictors of HIV-1 outcome for classification of HIV-1-infected subjects as LT-NPs or progressors.

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