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Impact of single nucleotide polymorphisms and of clinical risk factors on new-onset diabetes mellitus in HIV-infected individuals

Rotger, Margalida
Martinez, Raquel
Elzi, Luigia
Vernazza, Pietro
Cavassini, Matthias
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Published in Clinical infectious diseases. 2010, vol. 51, no. 9, p. 1090-1098
Abstract BACKGROUND: Metabolic complications, including cardiovascular events and diabetes mellitus (DM), are a major long-term concern in human immunodeficiency virus (HIV)-infected individuals. Recent genome-wide association studies have reliably associated multiple single nucleotide polymorphisms (SNPs) to DM in the general population. METHODS: We evaluated the contribution of 22 SNPs identified in genome-wide association studies and of longitudinally measured clinical factors to DM. We genotyped all 94 white participants in the Swiss HIV Cohort Study who developed DM from 1 January 1999 through 31 August 2009 and 550 participants without DM. Analyses were based on 6054 person-years of follow-up and 13,922 measurements of plasma glucose. RESULTS: The contribution to DM risk explained by SNPs (14% of DM variability) was larger than the contribution to DM risk explained by current or cumulative exposure to different antiretroviral therapy combinations (3% of DM variability). Participants with the most unfavorable genetic score (representing 12% and 19% of the study population, respectively, when applying 2 different genetic scores) had incidence rate ratios for DM of 3.80 (95% confidence interval [CI], 2.05-7.06) and 2.74 (95% CI, 1.53-4.88), respectively, compared with participants with a favorable genetic score. However, addition of genetic data to clinical risk factors that included body mass index only slightly improved DM prediction. CONCLUSIONS: In white HIV-infected persons treated with antiretroviral therapy, the DM effect of genetic variants was larger than the potential toxic effects of antiretroviral therapy. SNPs contributed significantly to DM risk, but their addition to a clinical model improved DM prediction only slightly, similar to studies in the general population.
Keywords Anti-HIV Agents/*therapeutic useDiabetes Mellitus/*epidemiology/*geneticsEuropean Continental Ancestry GroupGenetic Predisposition to DiseaseHIV Infections/*complications/*drug therapyHumansIncidence*Polymorphism, Single NucleotideRisk FactorsSwitzerland
PMID: 20879858
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Other version: http://cid.oxfordjournals.org/content/51/9/1090.full.pdf
Research group Unité HIV (46)
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ROTGER, Margalida et al. Impact of single nucleotide polymorphisms and of clinical risk factors on new-onset diabetes mellitus in HIV-infected individuals. In: Clinical infectious diseases, 2010, vol. 51, n° 9, p. 1090-1098. doi: 10.1086/656630 https://archive-ouverte.unige.ch/unige:21266

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Deposited on : 2012-05-23

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