Genomewide Association Study for Determinants of HIV-1 Acquisition and Viral Set Point in HIV-1 Serodiscordant Couples with Quantified Virus Exposure

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Genomewide Association Study for Determinants of HIV-1 Acquisition and Viral Set Point in HIV-1 Serodiscordant Couples with Quantified Virus Exposure

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Title: Genomewide Association Study for Determinants of HIV-1 Acquisition and Viral Set Point in HIV-1 Serodiscordant Couples with Quantified Virus Exposure
Author: Lingappa, Jairam R.; Petrovski, Slavé; Kahle, Erin; Fellay, Jacques; Shianna, Kevin; McElrath, M. Juliana; Thomas, Katherine Bain; Baeten, Jared M.; Celum, Connie; Wald, Anna; de Bruyn, Guy; Mullins, James I.; Nakku-Joloba, Edith; Farquhar, Carey; Essex, Myron Elmer; Donnell, Deborah; Kiarie, James; Haynes, Bart; Goldstein, David

Note: Order does not necessarily reflect citation order of authors.

Citation: Lingappa, Jairam R., Slavé Petrovski, Erin Kahle, Jacques Fellay, Kevin Shianna, M. Juliana McElrath, Katherine K. Thomas, et al. 2011. “Genomewide Association Study for Determinants of HIV-1 Acquisition and Viral Set Point in HIV-1 Serodiscordant Couples with Quantified Virus Exposure.” Edited by Roberto F. Speck. PLoS ONE 6 (12) (December 12): e28632. doi:10.1371/journal.pone.0028632.
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Abstract: BACKGROUND: Host genetic factors may be important determinants of HIV-1 sexual acquisition. We performed a genome-wide association study (GWAS) for host genetic variants modifying HIV-1 acquisition and viral control in the context of a cohort of African HIV-1 serodiscordant heterosexual couples. To minimize misclassification of HIV-1 risk, we quantified HIV-1 exposure, using data including plasma HIV-1 concentrations, gender, and condom use. METHODS: We matched couples without HIV-1 seroconversion to those with seroconversion by quantified HIV-1 exposure risk. Logistic regression of single nucleotide polymorphisms (SNPs) for 798 samples from 496 HIV-1 infected and 302 HIV-1 exposed, uninfected individuals was performed to identify factors associated with HIV-1 acquisition. In addition, a linear regression analysis was performed using SNP data from a subset (n = 403) of HIV-1 infected individuals to identify factors predicting plasma HIV-1 concentrations. RESULTS: After correcting for multiple comparisons, no SNPs were significantly associated with HIV-1 infection status or plasma HIV-1 concentrations. CONCLUSION: This GWAS controlling for HIV-1 exposure did not identify common host genotypes influencing HIV-1 acquisition. Alternative strategies, such as large-scale sequencing to identify low frequency variation, should be considered for identifying novel host genetic predictors of HIV-1 acquisition.
Published Version: doi:10.1371/journal.pone.0028632
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Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:26667501
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