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KMID : 1161420130160121168
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Journal of Medicinal Food
2013 Volume.16 No. 12 p.1168 ~ p.1171
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Postprandial Glucose and NF-κB Responses Are Regulated Differently by Monounsaturated Fatty Acid and Dietary Fiber in Impaired Fasting Glucose Subjects
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Kim Ji-Yeon
Kwon Hye-Young
Kim Kyoung-Soo
Kim Mi-Kyung
Kwon O-Ran
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Abstract
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Recently, much attention has been paid to observational studies that have linked postprandial glycemic response with the risk of cardiovascular disease. In this study, we investigated whether the nutrient composition of dietary formula might affect the postprandial inflammation in impaired fasting glucose (IFG) subjects. Eight subjects underwent three trials in a double-blind, randomized, crossover study with a 1-week washout period. The subjects were given three formulas according to serving size: (1) high-fiber formula (FF); (2) high-monounsaturated fatty acid formula (MF); and (3) control formula (CF). The area under the curves (AUCs) for glucose decreased 0.65- and 0.54-fold in the FF and MF trials, respectively, when compared with CF. A similar pattern was observed for the postprandial insulin response. However, as observed by the phosphorylation of proteolytic degradation product IκB, the AUC for activation of nuclear transcription factor κB (NF-κB) in peripheral blood mononuclear cells was significantly decreased in the FF trial, but not with MF (P=.0114). These findings demonstrated that postprandial glucose and inflammatory responses might be regulated differently by the nutrient composition of dietary formulas in IFG subjects.
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KEYWORD
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dietary liquid formula, nuclear factor kappa Bpost, prandial glucose response
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