CYBERMED LIFE - ORGANIC  & NATURAL LIVING

Cybermedlife - Therapeutic Actions Dietary Modification - Mediterranean Diet

Mediterranean Diet Increases Endothelial Function in Adults: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.

Abstract Title: Mediterranean Diet Increases Endothelial Function in Adults: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Abstract Source: J Nutr. 2020 Feb 6. Epub 2020 Feb 6. PMID: 32027740 Abstract Author(s): Oliver M Shannon, Inês Mendes, Christina Köchl, Mohsen Mazidi, Ammar W Ashor, Sofia Rubele, Anne-Marie Minihane, John C Mathers, Mario Siervo Article Affiliation: Oliver M Shannon Abstract: BACKGROUND: The endothelium plays a key role in the maintenance of vascular health and represents a potential physiological target for dietary and other lifestyle interventions designed to reduce the risk of cardiovascular diseases (CVD) including stroke or coronary heart disease. OBJECTIVE: To conduct a systematic review and meta-analysis of randomized controlled trials (RCTs) investigating the effects of the Mediterranean dietary pattern (MedDiet) on endothelial function. METHODS: Medline, Embase, and Scopus databases were searched from inception until January 2019 for studies that met the following criteria: 1) RCTs including adult participants, 2) interventions promoting the MedDiet, 3) inclusion of a control group, and 4) measurements of endothelial function. A random-effects meta-analysis was conducted. Metaregression and subgroup analyses were performed to identify whether effects were modified by health status (i.e., healthy participants versus participants with existing comorbidities), type of intervention (i.e., MedDiet alone or with a cointervention), study duration, study design (i.e., parallel or crossover), BMI, and age of participants. RESULTS: Fourteen articles reporting data for 1930 participants were included in the meta-analysis. Study duration ranged from 4 wk to 2.3 y. We observed a beneficial effect of the MedDiet on endothelial function [standardized mean difference (SMD): 0.35; 95% CI: 0.17, 0.53; P <0.001; I2 = 73.68%]. MedDiet interventions improved flow-mediated dilation (FMD)-the reference method for noninvasive, clinical measurement of endothelial function-by 1.66% (absolute change; 95% CI: 1.15, 2.17; P <0.001; I2 = 0%). Effects of the MedDiet on endothelial function were not modified by health status, type of intervention, study duration, study design, BMI, or age of participants (P >0.05). CONCLUSIONS: MedDiet interventions improve endothelial function in adults, suggesting that the protective effects of the MedDiet are evident at early stages of the atherosclerotic process with important implications for the early prevention of CVD. This study has the PROSPERO registration number: CRD42018106188. Article Published Date : Feb 05, 2020

The effect of a Mediterranean diet on metabolic parameters in patients with non-alcoholic fatty liver disease: A systematic review of randomized controlled trials.

Abstract Title: The effect of a Mediterranean diet on metabolic parameters in patients with non-alcoholic fatty liver disease: A systematic review of randomized controlled trials. Abstract Source: Clin Nutr ESPEN. 2020 Feb ;35:40-46. Epub 2019 Nov 15. PMID: 31987120 Abstract Author(s): Seyedeh Parisa Moosavian, Arman Arab, Zamzam Paknahad Article Affiliation: Seyedeh Parisa Moosavian Abstract: BACKGROUND: Dietary habit can play a key role in the prevention and treatment of fatty liver disease (NAFLD). Although many studies have investigated the effect of Mediterranean diet on NAFLD, findings are inconsistent and there is no systematic review on this topic. Therefore, the aim of this systematic review is to summarize the effect of Mediterranean diet on serum metabolic indices and anthropometric measures among NAFLD patients. METHODS: We searched titles, abstracts, and keywords of articles indexed in Science Direct, MEDLINE, and Google Scholar databases up to October 2018 to identify eligible RCT studies. Randomized clinical trials assessing the effects of MD on NAFLD were included. RESULTS: The present study included 10 randomized controlled trials, which involved a total of 856 adults with NAFLD. According to the result, MD may improve anthropometric measures, lipid profile, glycemic indices, liver enzyme, and NAFLD severity indices among patients with NAFLD. CONCLUSION: We found that MD could alleviate NAFLD severity parameters but differences between studies should be taken into account. Finally, in order to draw a firm link between MD and NAFLD, more clinical trials with adequate sample size and better methodology should be done. Article Published Date : Jan 31, 2020

One-year Mediterranean diet promotes epigenetic rejuvenation with country- and sex-specific effects: a pilot study from the NU-AGE project. 📎

Abstract Title: One-year Mediterranean diet promotes epigenetic rejuvenation with country- and sex-specific effects: a pilot study from the NU-AGE project. Abstract Source: Geroscience. 2020 Jan 24. Epub 2020 Jan 24. PMID: 31981007 Abstract Author(s): Noémie Gensous, Paolo Garagnani, Aurelia Santoro, Cristina Giuliani, Rita Ostan, Cristina Fabbri, Maddalena Milazzo, Davide Gentilini, Anna Maria di Blasio, Barbara Pietruszka, Dawid Madej, Agata Bialecka-Debek, Anna Brzozowska, Claudio Franceschi, Maria Giulia Bacalini Article Affiliation: Noémie Gensous Abstract: Mediterranean diet has been proposed to promote healthy aging, but its effects on aging biomarkers have been poorly investigated. We evaluated the impact of a 1-year Mediterranean-like diet in a pilot study including 120 elderly healthy subjects from the NU-AGE study (60 Italians, 60 Poles) by measuring the changes in their epigenetic age, assessed by Horvath's clock. We observed a trend towards epigenetic rejuvenation of participants after nutritional intervention. The effect was statistically significant in the group of Polish females and in subjects who were epigenetically older at baseline. A genome-wide association study of epigenetic age changes after the intervention did not return significant (adjusted p value< 0.05) loci. However, we identified small-effect alleles (nominal p value< 10-4), mapping in genes enriched in pathways related to energy metabolism, regulation of cell cycle, and of immune functions. Together, these findings suggest that Mediterranean diet can promote epigenetic rejuvenation but with country-, sex-, and individual-specific effects, thus highlighting the need for a personalized approach to nutritional interventions. Article Published Date : Jan 23, 2020

Adherence to Mediterranean diet and subsequent cognitive decline in men with cardiovascular disease.

Abstract Title: Adherence to Mediterranean diet and subsequent cognitive decline in men with cardiovascular disease. Abstract Source: Nutr Neurosci. 2020 Jan 22:1-9. Epub 2020 Jan 22. PMID: 31965911 Abstract Author(s): Miri Lutski, Galit Weinstein, Shelly Ben-Zvi, Uri Goldbourt, David Tanne Article Affiliation: Miri Lutski Abstract: Evidence from recent years highlighted the importance of the Mediterranean diet for brain health. We investigated the association between adherence to Mediterranean diet and change in cognitive functions two decades later in patients with cardiovascular disease (CVD).Participants were men with a history of CVD, who previously participated in the Bezafibrate Infarction Prevention (BIP) trial between 1990 and 1997, had a food diary record, and underwent cognitive evaluations 14.6 ± 1.9 years (T1) and 19.9 ± 1.0 years after baseline (T2) as part of the BIP Neurocognitive study (= 200, mean age at 57.3 ± 6.3 years). Adherence to the Mediterranean diet was determined from the self-administered 4-day food diary record, with patients categorized into high, middle and poor levels of adherence if they received>5, 4-5 and<4 points, respectively. Cognitive function was assessed using the NeuroTrax computerized battery. Linear mixed models were applied.Among the 200 patients, 52 (26%) had poor adherence, 98 (49%) had middle adherence and 50 (25%) had high levels of adherence to the Mediterranean diet. Those categorized to the poor adherence level had poorer cognitive function at T1 compared to the other groups. Additionally, poor vs. high level of adherence was associated with a greater decline in overall cognitive performance [-score = -0.23 and 95% confidence interval (CI), -0.43;-0.04; = 0.021] and in visual spatial functions (-0.46 95% CI, -0.86;-0.06; = 0.023).This study stresses the possible role of the Mediterranean diet in men with a high vascular burden and may set the ground for future intervention to reduce their risk for cognitive decline. Article Published Date : Jan 21, 2020

Mediterranean diet components are linked to greater endothelial function and lower inflammation in a pilot study of ethnically diverse women.

Abstract Title: Mediterranean diet components are linked to greater endothelial function and lower inflammation in a pilot study of ethnically diverse women. Abstract Source: Nutr Res. 2020 Jan 13 ;75:77-84. Epub 2020 Jan 13. PMID: 32045786 Abstract Author(s): Riddhi Shah, Nour Makarem, Memet Emin, Ming Liao, Sanja Jelic, Brooke Aggarwal Article Affiliation: Riddhi Shah Abstract: The Mediterranean Diet, characterized by higher intakes of plant foods including plant proteins, monounsaturated fat, fish, and lower consumption of animal products and saturated fat, has long been associated with reduced cardiovascular risk, but the molecular mechanisms underlying these associations have not been fully elucidated. We conducted a pilot study to evaluate associations of an Alternate Mediterranean Diet Score, reflective of adherence to this diet pattern and adapted for US populations, and its components, with markers of endothelial inflammation directly measured in endothelial cells harvested from a diverse sample of women (n = 25, mean ± SD age 33 ± 10.5y, 68% racial/ethnic minorities). Cardiovascular risk markers including nuclear factor kappa B (NF-κB)-a marker of inflammation, as well as oxidative stress and endothelial nitric oxide synthase (eNOS) gene expression-markers of endothelial function, wereevaluated in harvested endothelial cells. We hypothesized that the Mediterranean diet pattern would be associated with lower inflammation and oxidative stress and higher eNOS expression in endothelial cells. Results showed that lower oxidative stress was associated with higher plant-based protein (Exp(β) = 0.96; P = .007), overall protein (Exp(β) = 0.99; P = .007), and red and processed meat intake (Exp(β) = 0.93; P = .012). Lower NF-κB was associated with higher legume (Exp(β) = 0.79; P = .045) intake, and higher eNOS was associated with higher red and processed meat intake (Exp(β) = 1.13; P = .005). Our findings suggest potential novel mechanisms through which certain Mediterranean dietary components may influence pre-clinical vascular alterations that may be associated with cardiovascular risk through lower endothelial oxidative stress, lower inflammation, and greater endothelial functioning. These findings warrant confirmation, prospectively in a larger sample. Article Published Date : Jan 12, 2020
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