Journal
NUTRITION REVIEWS
Volume 71, Issue 8, Pages 511-527Publisher
OXFORD UNIV PRESS INC
DOI: 10.1111/nure.12035
Keywords
chronic inflammation; dietary patterns; low-grade inflammation; systematic review
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Funding
- Federal Ministry of Education and Research [0315540B]
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The purpose of the present literature review was to investigate and summarize the current evidence on associations between dietary patterns and biomarkers of inflammation, as derived from epidemiological studies. A systematic literature search was conducted using PubMed, Web of Science, and EMBASE, and a total of 46 studies were included in the review. These studies predominantly applied principal component analysis, factor analysis, reduced rank regression analysis, the Healthy Eating Index, or the Mediterranean Diet Score. No prospective observational study was found. Patterns identified by reduced rank regression as being statistically significantly associated with biomarkers of inflammation were almost all meat-based or Western patterns. Studies using principal component analysis or a priori-defined diet scores found that meat-based or Western-like patterns tended to be positively associated with biomarkers of inflammation, predominantly C-reactive protein, while vegetable-and fruit-based or healthy patterns tended to be inversely associated. While results of the studies were inconsistent, interventions with presumed healthy diets resulted in reductions of almost all investigated inflammatory biomarkers. In conclusion, prospective studies are warranted to confirm the reported findings and further analyze associations, particularly by investigating dietary patterns as risk factors for changes in inflammatory markers over time. (C) 2013 International Life Sciences Institute
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