Journal
BMC INFECTIOUS DISEASES
Volume 7, Issue -, Pages -Publisher
BMC
DOI: 10.1186/1471-2334-7-63
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Funding
- FIC NIH HHS [D43 TW000007] Funding Source: Medline
- NIAID NIH HHS [R01 AI043844, AI-43844, AI-38518, R37 AI038518] Funding Source: Medline
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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 < 200 cells/mu 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(10) copies/mL (95% Cl -0.01 to +0.17) higher set point viral load and 1.58-fold higher risk of mortality (95% Cl 1.15-2.16). The association between higher pre-infection vitamin E and mortality persisted after adjustment for set point viral load (HR 1.55, 95% Cl 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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