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Title 

Replacing with whole grains and legumes reduces Lp-PLA 2 activities in plasma and PBMCs in patients with prediabetes or T2D

Authors 

M KimS R JeungTae Sook JeongS H LeeJ H Lee

Publisher 

American Society for Biochemistry and Molecular Biology

Issue Date 

2014

Citation 

Journal of Lipid Research, vol. 55, no. 8, pp. 1762-1771

Keywords 

Peripheral blood mononuclear cellType 2 diabetes

Abstract 

To determine dietary effects on circulating lipoprotein-associated phospholipase A2 (Lp-PLA2) activity and enzyme activity in peripheral blood mononuclear cells (PBMCs), 99 patients with impaired fasting glucose, impaired glucose tolerance, or newly-diagnosed T2D were randomly assigned to either a control group (usual diet with refined rice) or the whole grain and legume group. Substitution of whole grains and legumes for refined rice was associated with the replacement of 7% of energy from carbohydrates with energy from protein (about 4%) and fat. After 12 weeks, the whole grain and legume group showed a significant decrease in fasting glucose, insulin, homeostasis model assessment-insulin resistance, hemoglobin A1c, malondialdehyde, plasma Lp-PLA2 activity, and oxidized LDL (ox-LDL), and an increase in LDL particle size. The changes (Δs) in these variables in the whole grain and legume group were significantly different from those in controls after adjustment for the baseline levels. When all subjects were considered, Δ plasma Lp-PLA2 positively correlated with Δ glucose, Δ PBMC Lp-PLA2, Δ ox-LDL, and Δ urinary 8-epiprostaglandin F2α after being adjusted for confounding factors. The Δ PBMC Lp-PLA2 correlated positively with Δ glucose and Δ ox-LDL, and negatively with Δ LDL particle size and baseline PBMC Lp-PLA2. The substitution of whole grains and legumes for refined rice resulted in a reduction in Lp-PLA2 activities in plasma and PBMCs partly through improved glycemic control, increased consumption of protein relative to carbohydrate, and reduced lipid peroxides.

ISSN 

0022-2275

Link 

http://dx.doi.org/10.1194/jlr.M044834

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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