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What is the effect of a Mediterranean compared with a Fast Food meal on the exercise induced adipokine changes? A randomized cross-over clinical trial.

ABSTRACT: BACKGROUND:Adipose tissue-derived adipokines are pro-inflammatory cytokines involved in metabolic-related diseases and can be influenced by diet and exercise. We aimed to compare the effect of a Mediterranean (MdM) compared with Fast Food (FFM) meal on the exercise induced adipokines changes. METHODS:In a double blinded cross over trial, 46 participants were randomly assigned to one of two standardized iso-energy pre-exercise meals: FFM or MdM-type. Three hours after each meal, participants completed a treadmill exercise test (EC). Serum adiponectin, resistin, PAI-1, lipocalin-2/NGAL and adipsin were determined by Luminex magnetic bead immunoassay. Wilcoxon signed rank test compared changes before/after meal and before/after EC and a linear mixed model evaluated the effect of meals on the adipokine response to exercise, adjusted for confounders. RESULTS:Thirty-nine participants (mean age of 25, with a standard deviation of 5 years) completed the trial (56% females). For both interventions, a significant reduction of adipsin after each meal and a significant increase of lipocalin, PAI-1, adipsin and resistin, after exercise was observed. When exercise was preceded by a MdM meal a higher increase in adipsin levels was seen. CONCLUSION:Acute exercise induced an increase of circulatory levels of adipsin, resistin, lipocalin and PAI-1, but not adiponectin. A pre-exercise Mediterranean meal potentiated the increase of adipsin after the exercise test, which possibly relates to the immune regulatory role of adipsin. These changes suggest a cross-talk between the immune and metabolic immediate response to exercise and its modulation by the pre-exercise diet composition.

SUBMITTER: Silva D

PROVIDER: S-EPMC6472786 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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What is the effect of a Mediterranean compared with a Fast Food meal on the exercise induced adipokine changes? A randomized cross-over clinical trial.

Silva Diana D Moreira Rita R Beltrão Marília M Sokhatska Oksana O Montanha Tiago T Pizarro Andreia A Garcia-Larsen Vanessa V Villegas Rodrigo R Delgado Luís L Moreira Pedro P Carvalho Joana J Moreira André A

PloS one 20190418 4

<h4>Background</h4>Adipose tissue-derived adipokines are pro-inflammatory cytokines involved in metabolic-related diseases and can be influenced by diet and exercise. We aimed to compare the effect of a Mediterranean (MdM) compared with Fast Food (FFM) meal on the exercise induced adipokines changes.<h4>Methods</h4>In a double blinded cross over trial, 46 participants were randomly assigned to one of two standardized iso-energy pre-exercise meals: FFM or MdM-type. Three hours after each meal, pa ...[more]

PMID: 30998792

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Project description:BackgroundFood insecurity, defined as inconsistent food access owing to cost, leads to poor health.ObjectiveTo test whether a medically tailored meal delivery program improved dietary quality in individuals with type 2 diabetes and food insecurity.DesignRandomized cross-over clinical trial.ParticipantsForty-four adults with diabetes, hemoglobin A1c > 8.0%, and food insecurity (defined as at least one positive item on the two-item "Hunger Vital Sign").InterventionIn the Community Servings: Food as Medicine for Diabetes cross-over clinical trial (NCT02426138), conducted from June 2015 to July 2017, we randomly assigned the order of "on-meals" (home delivery of 10 meals/week for 12 weeks delivered by Community Servings, a non-profit organization) and "off-meals" (12 weeks usual care and a Choose MyPlate healthy eating brochure) periods.Main measuresThe primary outcome was Healthy Eating Index 2010 score (HEI), assessed by three 24-h food recalls in both periods. Higher HEI score (range 0-100; clinically significant difference 5) represents better dietary quality. Secondary outcomes included food insecurity and self-reported hypoglycemia.Key resultsMean "on-meal" HEI score was 71.3 (SD 7.5) while mean "off-meal" HEI score was 39.9 (SD 7.8) (difference 31.4 points, p < 0.0001). Participants experienced improvements in almost all sub-categories of HEI score, with increased consumption of vegetables, fruits, and whole grains and decreased solid fats, alcohol, and added sugar consumption. Participants also reported lower food insecurity (42% "on-meal" vs. 62% "off-meal," p = 0.047), less hypoglycemia (47% "on-meal" vs. 64% "off-meal," p = 0.03), and fewer days where mental health interfered with quality of life (5.65 vs. 9.59 days out of 30, p = 0.03).ConclusionsFor food-insecure individuals with diabetes, medically tailored meals improved dietary quality and food insecurity and reduced hypoglycemia. Longer-term studies should evaluate effects on diabetes control (e.g., hemoglobin A1c) and patient-reported outcomes (e.g., well-being).

Project description:Fast food diet consumption and sedentary life style leads to energy excess, which elevates risks for obesity, metabolic syndrome, non-alcoholic fatty liver disease (NAFLD), and cancer. Exercise training conveys many health benefits in populations with or without these chronic conditions. Diet and exercise regulate gene expression by mediating epigenetic mechanisms globally and at select loci in an array of human tissues, however, such effects are less well documented in liver tissue. To dissect the epigenetic consequences of diet and exercise in liver, we measured DNA methylation using reduced representation bisulfite sequencing (RRBS) and transcriptome using RNA-seq in mice maintained on a fast food diet with sedentary lifestyle (FFC) or exercise (FFE) compared to control diet with (NCE) and without exercise (NCC). Our analyses demonstrate genome-wide differential DNA methylation at key regulatory regions, including different classes of promoters and enhancers, and differential regulation of gene clusters in each condition group. FFE gene expression is most differentially regulated, with enrichment of carbohydrate/lipid metabolic pathways and skeletal muscle development in altered gene sets. Through evaluation of putative protective effects of exercise on diet-induced DNA methylation and gene expression, we show that hypermethylation is effectively prevented, especially at promoters and enhancers, and hypomethylation is partially attenuated. We assessed diet-induced DNA methylation changes associated with cancer-related epigenetic modifications and identified significant increases at liver-specific enhancers in FFC and FFE, suggesting a repressive effect on the epigenomic signature specifying liver identity. Gaining methylation at a subset of gene promoters was associated with inhibition of tissue development and promotion of carcinogenic process. Taken together, our study demonstrates large-scale diet- and exercise-induced effects on the epigenetic landscape, emphasizing the functional relevance of epigenetic mechanisms as an interface between life-style modifications and phenotypic alterations.

Project description:Studies demonstrate that post-meal walking decreases postprandial hyperglycemia in type 2 diabetic patients but it has never been tested with the active treatment comparator. The objective of this study was to determine the effect of post-meal walking on glycemic control compared with one prandial insulin in type 2 diabetic patients who failed basal insulin. A randomized controlled cross-over study of post-meal walking or one prandial insulin was done in type 2 diabetic patients who were being treated with basal insulin between May 2017 and March 2018. In post-meal walking group, patients walked after meal for 15-20 minutes one meal a day every day for 6 weeks. In prandial insulin (basal plus) group, one prandial insulin was injected before breakfast or main meal with rapid-acting insulin. The primary outcome was a difference in HbA1c reduction in post-meal walking compared with basal plus groups. Fourteen patients completed the study. By intention-to-treat analysis, HbA1c was reduced by -0.05(range:-1.08 to 0.74) and -0.19(range:-0.8 to 0.56) % in post-meal walking and basal plus groups respectively. By per-protocol analysis, post-meal walking and basal plus groups decreased HbA1c by 0.13(range:-0.74 to 1.08) and 0.2(range:-0.56 to 0.8) %, respectively. There was were no significant differences in HbA1c reduction from baseline in each group and between groups in both intention-to-treat and per-protocol analysis. Fructosamine levels were decreased by 17.5(-59 to 43) and 10(-15 to 40) ?mol/L, respectively at 3 and 6 weeks in post-meal walking group whereas the respective changes in basal plus group were 12.5(-17 to 64) and 17.5(-28 to 38) ?mol/L and there were no significant differences in fructosamine reduction from baseline in each group and between groups. In conclusion, although post-meal walking might be as effective as one prandial insulin to improve glycemic control in type 2 diabetic patients who failed basal insulin but the magnitude of reduction was small. A longer-term study with a larger sample size or with a different walking protocol is required.

Dataset Information

What is the effect of a Mediterranean compared with a Fast Food meal on the exercise induced adipokine changes? A randomized cross-over clinical trial.

Publications

What is the effect of a Mediterranean compared with a Fast Food meal on the exercise induced adipokine changes? A randomized cross-over clinical trial.

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