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Are Dietary Antioxidant Intake Indices Correlated to Oxidative Stress and Inflammatory Marker Levels?

Overview of attention for article published in Antioxidants & Redox Signaling, February 2015
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Title
Are Dietary Antioxidant Intake Indices Correlated to Oxidative Stress and Inflammatory Marker Levels?
Published in
Antioxidants & Redox Signaling, February 2015
DOI 10.1089/ars.2014.6212
Pubmed ID
Authors

Hung N. Luu, Wanqing Wen, Honglan Li, Qi Dai, Gong Yang, Qiuyin Cai, Yong-Bing Xiang, Yu-Tang Gao, Wei Zheng, Xiao-Ou Shu

Abstract

Epidemiologic and experimental studies have shown that a high intake of individual dietary antioxidants is associated with a reduced risk of cancers. Few studies, however, have investigated the influences of a combination of dietary antioxidants. We evaluated the association of two dietary antioxidant indices, the Dietary Antioxidant Quality Score (DAQS) and the Composite Dietary Antioxidant Index (CDAI), with 10 oxidative stress or inflammation biomarkers (urinary F2-isoprostanes [15-F2t-IsoP]; urinary F2-isoprostane metabolites [15-F2t-IsoPM]; urinary prostaglandin E2 metabolite [PGEM]; C-reactive protein [CRP]; interleukin-1beta [IL-1β]; interleukin-6 [IL-6]; tumor necrosis factor-alpha [TNF-α]; soluble TNF-receptor 1 [sTNF-R1]; soluble TNF-receptor 2 [sTNF-R2]; and soluble GP130 [sGP130]) in 3853 participants of the Shanghai Women's Health Study (SWHS). We found the DAQS and CDAI to be highly correlated (r=0.72), and both were inversely associated with levels of IL-1β (ptrend=0.02 and 0.03, respectively) and TNF-α (ptrend=0.005 and 0.003, respectively). In addition, IL-6 and sTNF-R2 levels were inversely associated with the DAQS score; β-coefficient(±SE) for average-quality and high-quality group versus low-quality group were -0.22(±0.13) and -0.30(±0.13) (ptrend=0.06) for IL-6; -0.06(±0.04) and -0.10(±0.04) (ptrend=0.01) for sTNF-R2. Neither the DAQS nor CDAI score was significantly associated with oxidative stress or other inflammatory biomarkers. Our observations lead us to hypothesize that these two indices offer a potential aggregate method of measuring dietary anti-inflammation, but not anti-oxidation properties. Antioxid. Redox Signal. 00, 000-000.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 28 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Indonesia 1 4%
Spain 1 4%
Unknown 26 93%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 4 14%
Student > Master 4 14%
Researcher 3 11%
Lecturer 2 7%
Student > Bachelor 1 4%
Other 6 21%
Unknown 8 29%
Readers by discipline Count As %
Nursing and Health Professions 5 18%
Medicine and Dentistry 4 14%
Pharmacology, Toxicology and Pharmaceutical Science 3 11%
Biochemistry, Genetics and Molecular Biology 2 7%
Agricultural and Biological Sciences 2 7%
Other 2 7%
Unknown 10 36%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 02 March 2015.
All research outputs
#17,286,645
of 25,377,790 outputs
Outputs from Antioxidants & Redox Signaling
#1,370
of 2,036 outputs
Outputs of similar age
#163,307
of 270,184 outputs
Outputs of similar age from Antioxidants & Redox Signaling
#24
of 42 outputs
Altmetric has tracked 25,377,790 research outputs across all sources so far. This one is in the 21st percentile – i.e., 21% of other outputs scored the same or lower than it.
So far Altmetric has tracked 2,036 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.9. This one is in the 23rd percentile – i.e., 23% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 270,184 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 31st percentile – i.e., 31% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 42 others from the same source and published within six weeks on either side of this one. This one is in the 35th percentile – i.e., 35% of its contemporaries scored the same or lower than it.