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Proteomic Analysis of Peripheral Blood Mononuclear Cells after a High-Fat, High-Carbohydrate Meal with Orange Juice.

Abstract：

:Oxidative stress and inflammation play a role in the physiopathology of insulin resistance, diabetes and cardiovascular disease. A single high-fat, high-carbohydrate (HFHC) meal induces an increase in inflammatory and oxidative stress markers in peripheral blood mononuclear cells (PBMC). Previous studies have shown that orange juice is able to prevent this response by inhibiting toll like receptors (TLR) expression and endotoxemia. Our goal was to study the proteome response in PBMC after the consumption of a HFHC meal consumed with water, orange juice or an isocaloric beverage (water with glucose). Twelve healthy individuals completed the protocol in a crossover design, and blood samples were obtained before and 1, 3, and 5 h after consumption. Proteomic profile, glucose, insulin, lipid and cytokines levels were investigated. The glycemic and insulinemic response was higher when the meal was consumed with glucose, while there was no difference in the response between water and orange juice. Proteome analysis in PBMC was carried out using TMT ten-plex. A total of 3813 proteins, originating from 15 662 peptides were identified. Three proteins showed significantly altered expression in the three treatments: apolipoprotein A-II, ceruloplasmin and hemopexin. When the HFHC meal was consumed with water there was an increase in some inflammatory pathways such as the Fc-gamma receptor dependent phagocytosis and the complement cascade, but the immune system as a whole was not significantly altered. However, when the meal was consumed with glucose, the immune system was up regulated. Among the pathways induced after 3 h were those of the adaptive immune system and cytokine signaling. Five hours after the meal, pathways of the complement cascade and classical antibody mediated complement activation were up regulated. When the meal was consumed with orange juice there was an up regulation of proteins involved in signal transduction, DNA replication and cell cycle. The promyelocytic leukemia protein (PML) showed a 28.2-fold increase. This protein was down regulated when the meal was consumed with water. Regarding the immune system, several of the pathways induced by glucose were down regulated when the meal was consumed with orange juice: proteins involved with the adaptive immune system and cytokine signaling. Therefore, we have shown that orange juice can not only suppress diet induced inflammation, but also regulate the expression of proteins such as PML, which may play a key role in the regulation of metabolism.

journal_name

J Proteome Res

journal_title

Journal of proteome research

authors

Chaves DFS,Carvalho PC,Brasili E,Rogero MM,Hassimotto NA,Diedrich JK,Moresco JJ,Yates JR 3rd,Lajolo FM

doi

10.1021/acs.jproteome.7b00476

subject

Has Abstract

pub_date

2017-11-03 00:00:00

pages

4086-4092

issue

eissn

1535-3893

issn

1535-3907

journal_volume

pub_type

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Proteomic Analysis of Peripheral Blood Mononuclear Cells after a High-Fat, High-Carbohydrate Meal with Orange Juice.