Genetic Restriction of AIDS Pathogenesis by an SDF-1 Chemokine Gene Variant

Author:

Winkler Cheryl12345,Modi William12345,Smith Michael W.12345,Nelson George W.12345,Wu Xueyun12345,Carrington Mary12345,Dean Michael12345,Honjo Tasaku12345,Tashiro Kai12345,Yabe D.12345,Buchbinder Susan12345,Vittinghoff Eric12345,Goedert James J.12345,O'Brien Thomas R.12345,Jacobson Lisa P.12345,Detels Roger12345,Donfield Sharyne12345,Willoughby Anne12345,Gomperts Edward12345,Vlahov David12345,Phair John12345,O'Brien Stephen J.12345, , , , ,

Affiliation:

1. C. Winkler, W. Modi, M. W. Smith, G. W. Nelson, X. Wu, M. Carrington, Science Applications International Corporation (SAIC), National Cancer Institute, Frederick, MD 21702, USA.

2. M. Dean and S. J. O'Brien, Laboratory of Genomic Diversity, National Cancer Institute, Frederick, MD 21702, USA.

3. T. Honjo and D. Yabe, Department of Medical Chemistry, Kyoto University, Kyoto, Japan.

4. K. Tashiro, Center for Molecular Biology and Genetics, Kyoto University, Kyoto, Japan.

5. S. Buchbinder and E. Vittinghoff, AIDS Office, Department of Public Health, 25 Van Ness Avenue, Suite 500, San Francisco, CA 94102, USA.

Abstract

Stromal-derived factor (SDF-1) is the principal ligand for CXCR4, a coreceptor with CD4 for T lymphocyte cell line–tropic human immunodeficiency virus–type 1 (HIV-1). A common polymorphism, SDF1-3′A , was identified in an evolutionarily conserved segment of the 3′ untranslated region of the SDF-1 structural gene transcript. In the homozygous state, SDF1-3′A / 3′A delays the onset of acquired immunodeficiency syndrome (AIDS), according to a genetic association analysis of 2857 patients enrolled in five AIDS cohort studies. The recessive protective effect of SDF1-3′A was increasingly pronounced in individuals infected with HIV-1 for longer periods, was twice as strong as the dominant genetic restriction of AIDS conferred by CCR5 and CCR2 chemokine receptor variants in these populations, and was complementary with these mutations in delaying the onset of AIDS.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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