期刊
JOURNAL OF THE ACADEMY OF NUTRITION AND DIETETICS
卷 112, 期 7, 页码 996-1004出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jand.2012.04.001
关键词
Soy; Inflammation; Interleukin-1 beta; Interleukin-6; Tumor necrosis factor-alpha
资金
- US Public Health Service [R01CA122364, R37CA070867, R01HL095931]
- National Institutes of Health intramural program [N02 CP1101066]
- Vanderbilt-Ingram Cancer Center [P30 CA68485]
Background Soy and some of its constituents, such as isoflavones, have been shown to affect the inflammatory process in animal studies. The association between soy food intake and inflammatory markers has not been evaluated adequately in humans. Objective Our aim was to evaluate whether higher intake of soy foods was inversely associated with inflammatory markers in 1,005 middle-aged Chinese women. Design In this cross-sectional study, dietary intake of soy foods was assessed by a validated food frequency questionnaire and by a 24-hour recall when biospecimens were procured. A general linear model was used to estimate the geometric means of selected inflammatory, markers, including interleukin-6 (IL-6), IL-1 beta, tumor necrosis factor-alpha (TNF alpha), soluble IL-6 receptor, soluble GP130, soluble TNF receptors 1 and 2, and C-reactive protein, across categories of soy food intake after adjusting for age, lifestyle and dietary factors, and history of infectious or inflammation-related diseases. Results We found that multivariable-adjusted geometric mean concentrations of IL-6 and TNF alpha were inversely associated with quintiles of soy food intake, with a difference between the highest and lowest quintiles of 25.5% for IL-6 (P for trend=0.008) and 14% for TNF alpha (P for trend=0.04). Similar inverse associations were found for TNF alpha (P for trend=0.003), soluble TNF receptor 1 (P for trend=0.01), soluble TNF receptor 2 (P for trend=0.02), IL-1 beta (P for trend=0.05), and IL-6 (P for trend=0.04) when soy food consumption was assessed by the frequency of consumption in the preceding 24 hours. No significant associations were found for other markers studied. Conclusions This study suggests that soy food consumption is related to lower circulating levels of IL-6, TNF alpha, and soluble TNF receptors 1 and 2 in Chinese women. J Acad Nutr Diet. 2012;112:996-1004.
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