کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10767893 | 1050801 | 2005 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Dietary vitamin C down-regulates inflammatory gene expression in apoE4 smokers
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
زیست شیمی
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چکیده انگلیسی
The deleterious impact of cigarette smoking on cardiovascular health may be in part attributable to a free radical mediated proinflammatory response in circulating monocytes. In the current investigation, the impact of vitamin C supplementation on monocyte gene expression was determined in apoE4 smokers versus non-smokers. A total of 10 smokers and 11 non-smokers consumed 60 mg/day of vitamin C for four weeks and a fasting blood sample was taken at baseline and post-intervention for the determination of plasma vitamin C and monocyte gene expression profiles using cDNA array and real time PCR. In apoE4 smokers, supplementation resulted in a 43% increase in plasma vitamin C concentrations. Furthermore, a number of genes were differentially expressed more than 2-fold in response to treatment, including a downregulation of the proinflammatory mediators tumor necrosis factor (TNF) β, TNF receptor, neurotrophin-3 growth factor receptor, and monocyte chemoattractant protein 1 receptor. The study has identified a number of molecular mechanisms underlying the benefit of vitamin C supplementation in smokers.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biochemical and Biophysical Research Communications - Volume 338, Issue 2, 16 December 2005, Pages 951-955
Journal: Biochemical and Biophysical Research Communications - Volume 338, Issue 2, 16 December 2005, Pages 951-955
نویسندگان
Jonathan Majewicz, Gerald Rimbach, Anna R. Proteggente, John K. Lodge, Klaus Kraemer, Anne M. Minihane,