کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6810919 1433642 2008 10 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Plasma carotenoids and tocopherols and cognitive function: A prospective study
موضوعات مرتبط
علوم زیستی و بیوفناوری بیوشیمی، ژنتیک و زیست شناسی مولکولی سالمندی
پیش نمایش صفحه اول مقاله
Plasma carotenoids and tocopherols and cognitive function: A prospective study
چکیده انگلیسی
As a site of high metabolic activity, the brain is particularly susceptible to oxidative damage. We explored the association between plasma antioxidants and cognition. In 858 female participants of the Nurses' Health Study, aged 70+ years, we measured plasma carotenoids and tocopherols in 1989-1990, and assessed cognitive function by telephone beginning in 1995-2001; assessments were repeated twice at 2-year intervals. We used linear regression to estimate multivariable-adjusted mean cognitive performance at the initial assessment by quartile of antioxidants, and longitudinal models for analyzing cognitive decline over 4 years. Higher antioxidant levels were not associated with initial performance or decline. Mean difference in initial global composite score (averaging all six cognitive tests) for the top versus bottom quartile of total carotenoids was −0.05 standard units (95% confidence interval [CI] −0.19, 0.09), and 0.04 units for total tocopherols (95% CI −0.10, 0.18). Individual antioxidants were not associated with cognition. Overall, total plasma carotenoids or tocopherols were not related to cognition in women.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Neurobiology of Aging - Volume 29, Issue 9, September 2008, Pages 1394-1403
نویسندگان
, ,