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    Higher pre-infection vitamin E levels are associated with higher mortality in HIV-1-infected Kenyan women: a prospective study

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    1471-2334-7-63.pdf (242.0Kb)
    Date
    2007
    Author
    Graham, Susan M.
    Baeten, Jared
    Richardson, Barbra A.
    Bankson, Daniel D.
    Lavreys, Ludo
    O Ndinya-Achola, Jeckoniah
    Mandaliya, Kishorchandra
    Overbaugh, Julie
    McClelland, R. Scott
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    Abstract
    Background: Low vitamin E levels are often found in HIV-1 infection, and studies have suggested that higher levels may decrease the risk of disease progression. However, vitamin E supplementation has also been reported to increase CCR5 expression, which could increase HIV- 1 replication. We hypothesized that vitamin E levels at HIV-1 acquisition may influence disease progression. Methods: Vitamin E status was measured in stored samples from the last pre-infection visit for 67 Kenyan women with reliably estimated dates of HIV-1 acquisition. Regression analyses were used to estimate associations between pre-infection vitamin E and plasma viral load, time to CD4 count less than 200 cells/[micro]L, and mortality. Results: After controlling for potential confounding factors, each 1 mg/L increase in pre-infection vitamin E was associated with 0.08 log[sub]10 copies/mL (95% CI -0.01 to +0.17) higher set point viral load and 1.58-fold higher risk of mortality (95% CI 1.15�2.16). The association between higher preinfection vitamin E and mortality persisted after adjustment for set point viral load (HR 1.55, 95% CI 1.13�2.13). Conclusion: Higher pre-infection vitamin E levels were associated with increased mortality. Further research is needed to elucidate the role vitamin E plays in HIV-1 pathogenesis.
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    http://www.biomedcentral.com/1471-2334/7/63
    http://hdl.handle.net/1773/15703
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    • Department of Global Health Faculty Papers [9]

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