scholarly journals Dietary fish oil reduces glomerular injury and elevated renal hydroxyeicosatetraenoic acid levels in the JCR:LA-cp rat, a model of the metabolic syndrome

2012 ◽  
Vol 110 (1) ◽  
pp. 11-19 ◽  
Author(s):  
Harold M. Aukema ◽  
Jing Lu ◽  
Faye Borthwick ◽  
Spencer D. Proctor
Keyword(s):  
Metabolic Syndrome ◽  
Fish Oil ◽  
Potential Role ◽  
Nutritional Intervention ◽  
Glomerular Injury ◽  
Balanced Diet ◽  
The Metabolic Syndrome ◽  
Eicosanoid Metabolism ◽  
Dietary Fish ◽  
Total Fat

We have previously shown nutritional intervention with fish oil (n-3 PUFA) to reduce numerous complications associated with the metabolic syndrome (MetS) in the JCR:LA-corpulent (cp) rat. In the present study, we sought to explore the potential role of fish oil to prevent glomerulosclerosis in JCR:LA-cp rats via renal eicosanoid metabolism and lipidomic analysis. Male lean and MetS JCR:LA-cp rats were fed a lipid-balanced diet supplemented with fish oil (5 or 10 % of total fat). After 16 weeks of feeding, albuminuria was significantly reduced in MetS rats supplemented with 5 or 10 % fish oil ( − 53 and − 70 %, respectively, compared with the untreated MetS rats). The 5 % fish oil diet resulted in markedly lower glomerulosclerosis ( − 43 %) in MetS rats and to a lesser extent in those supplemented with 10 % fish oil. Interestingly, untreated MetS rats had higher levels of 11- and 12-hydroxyeicosatetraenoic acids (HETE) v. lean rats. Dietary fish oil reduced these levels, as well as other (5-, 9- and 15-) HETE. Whilst genotype did not alter prostanoid levels, fish oil reduced endogenous renal levels of 6-keto PGF1α (PGI2 metabolite), thromboxane B2 (TxB2), PGF2α and PGD2 by approximately 60 % in rats fed 10 % fish oil, and TxB2 ( − 50 %) and PGF2α ( − 41 %) in rats fed 5 % fish oil. In conclusion, dietary fish oil prevented glomerular damage in MetS rats and mitigated the elevation in renal HETE levels. These results suggest a potential role for dietary fish oil to improve dysfunctional renal eicosanoid metabolism associated with kidney damage during conditions of the MetS.

scholarly journals Combined Therapy of Dietary Fish Oil and Stearoyl-CoA Desaturase 1 Inhibition Prevents the Metabolic Syndrome and Atherosclerosis

2010 ◽  
Vol 30 (1) ◽  
pp. 24-30 ◽  
Author(s):  
J. Mark Brown ◽  
Soonkyu Chung ◽  
Janet K. Sawyer ◽  
Chiara Degirolamo ◽  
Heather M. Alger ◽  
...  
Keyword(s):  
Metabolic Syndrome ◽  
Fish Oil ◽  
Combined Therapy ◽  
The Metabolic Syndrome ◽  
Dietary Fish ◽  
Stearoyl Coa Desaturase

scholarly journals Total and Subtypes of Dietary Fat Intake and Its Association with Components of the Metabolic Syndrome in a Mediterranean Population at High Cardiovascular Risk

Nutrients ◽  
2019 ◽  
Vol 11 (7) ◽  
pp. 1493 ◽  
Author(s):  
Alicia Julibert ◽  
Maria Bibiloni ◽  
Cristina Bouzas ◽  
Miguel Martínez-González ◽  
Jordi Salas-Salvadó ◽  
...  
Keyword(s):  
Metabolic Syndrome ◽  
Fatty Acids ◽  
Dietary Fat ◽  
Saturated Fatty Acids ◽  
Mediterranean Population ◽  
Fat Intake ◽  
Cvd Risk ◽  
Dietary Fat Intake ◽  
The Metabolic Syndrome ◽  
Total Fat

Background: The effect of dietary fat intake on the metabolic syndrome (MetS) and in turn on cardiovascular disease (CVD) remains unclear in individuals at high CVD risk. Objective: To assess the association between fat intake and MetS components in an adult Mediterranean population at high CVD risk. Design: Baseline assessment of nutritional adequacy in participants (n = 6560, men and women, 55–75 years old, with overweight/obesity and MetS) in the PREvención con DIeta MEDiterránea (PREDIMED)-Plus randomized trial. Methods: Assessment of fat intake (total fat, monounsatured fatty acids: MUFA, polyunsaturated fatty acids: PUFA, saturated fatty acids: SFA, trans-fatty acids: trans-FA, linoleic acid, α-linolenic acid, and ω-3 FA) using a validated food frequency questionnaire, and diet quality using 17-item Mediterranean dietary questionnaire and fat quality index (FQI). Results: Participants in the highest quintile of total dietary fat intake showed lower intake of energy, carbohydrates, protein and fiber, but higher intake of PUFA, MUFA, SFA, TFA, LA, ALA and ω-3 FA. Differences in MetS components were found according to fat intake. Odds (5th vs. 1st quintile): hyperglycemia: 1.3–1.6 times higher for total fat, MUFA, SFA and ω-3 FA intake; low high-density lipoprotein cholesterol (HDL-c): 1.2 higher for LA; hypertriglyceridemia: 0.7 lower for SFA and ω-3 FA intake. Conclusions: Dietary fats played different role on MetS components of high CVD risk patients. Dietary fat intake was associated with higher risk of hyperglycemia.

scholarly journals Blood pressure decrease with ingestion of a soya product (kinako) or fish oil in women with the metabolic syndrome: role of adiponectin and nitric oxide

2012 ◽  
Vol 108 (8) ◽  
pp. 1435-1442 ◽  
Author(s):  
Andréa Name Colado Simão ◽  
Marcell Alysson Batisti Lozovoy ◽  
Larissa Danielle Bahls ◽  
Helena Kaminami Morimoto ◽  
Tathiana Name Colado Simão ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Metabolic Syndrome ◽  
Fish Oil ◽  
Inflammatory Markers ◽  
Inflammatory Marker ◽  
Control Group ◽  
Treatment Groups ◽  
The Metabolic Syndrome ◽  
Baseline Values

The aim of the present study was to verify the effects of fish oil and a soya-based product on inflammatory markers and endothelial function measured by NO in women with the metabolic syndrome (MetS). A total of sixty-five women (mean age: 47·9 (sd9·98) years) were studied in a 90-d parallel, randomised design. A control group maintained their usual diet; the second group received 29 g/d of soyabean (kinako); the third group received 3 g/d of fish oiln-3 fatty acids; and the fourth group received fish oil (3 g/d) and kinako (29 g/d). Anthropometric, blood pressure (BP), inflammatory markers, anti-inflammatory marker (adiponectin) and NO concentrations were evaluated. In relation to the baseline values, the group that received fish oil and kinako concomitantly presented a statistically significant decrease in systolic BP (SBP;P < 0·05), whereas there was a significant decrease in diastolic BP (DBP) in the control group (P < 0·05), kinako group (P < 0·01) and fish oil group (P < 0·01) after 90 d. There was a significant increase in adiponectin (P < 0·01) and NO values (P < 0·05) after 90 d in the kinako and fish oil groups. Differences between treatment groups verified a significant decrease (P < 0·05) in DBP in the kinako group after 90 d when compared to the results obtained from the fish oil and kinako groups. In conclusion, the findings of increased serum adiponectin and NO metabolite levels after 90 d, both in the fish oil and soya groups, reinforce the importance of the influence of adiponectin and NO levels on BP decrease in patients with the MetS.

scholarly journals A cross-sectional study of dietary patterns with glucose intolerance and other features of the metabolic syndrome

2000 ◽  
Vol 83 (3) ◽  
pp. 257-266 ◽  
Author(s):  
Desmond E. M. Williams ◽  
A. Toby Prevost ◽  
Margaret J. Whichelow ◽  
Brian D. Cox ◽  
Nicholas E. Day ◽  
...  
Keyword(s):  
Metabolic Syndrome ◽  
Glucose Intolerance ◽  
Dietary Patterns ◽  
Lifestyle Factors ◽  
Undiagnosed Diabetes ◽  
Oral Glucose ◽  
Study Cohort ◽  
Metabolic Syndrome Component ◽  
Balanced Diet ◽  
The Metabolic Syndrome

Previous epidemiological studies have demonstrated relationships between individual nutrients and glucose intolerance and type 2 diabetes, but the association with the overall pattern of dietary intake has not previously been described. In order to characterize this association, 802 subjects aged 40–65 years were randomly selected from a population-based sampling frame and underwent a 75 g oral glucose-tolerance test. Principal component analysis was used to identify four dietary patterns explaining 31·7 % of the dietary variation in the study cohort. These dietary patterns were associated with other lifestyle factors including socio-economic group, smoking, alcohol intake and physical activity. Component 1 was characterized by a healthy balanced diet with a frequent intake of raw and salad vegetables, fruits in both summer and winter, fish, pasta and rice and low intake of fried foods, sausages, fried fish, and potatoes. This component was negatively correlated with central obesity, fasting plasma glucose, 120 min non-esterified fatty acid and triacylglycerol, and positively correlated with HDL-cholesterol. It therefore appears to be protective for the metabolic syndrome. Component 1 was negatively associated with the risk of having undiagnosed diabetes, and this association was independent of age, sex, smoking and obesity. The findings support the hypothesis that dietary patterns are associated with other lifestyle factors and with glucose intolerance and other features of the metabolic syndrome. The results provide further evidence for the recommendation of a healthy balanced diet as one of the main components of chronic disease prevention.

scholarly journals Dietary treatment of the metabolic syndrome — the optimal diet

2000 ◽  
Vol 83 (S1) ◽  
pp. S143-S148 ◽  
Author(s):  
Gabriele Riccardi ◽  
A. A. Rivellese
Keyword(s):  
Metabolic Syndrome ◽  
Insulin Sensitivity ◽  
Diet Composition ◽  
Saturated Fat ◽  
Dietary Treatment ◽  
Glycaemic Index ◽  
Fat Intake ◽  
Monounsaturated Fat ◽  
The Metabolic Syndrome ◽  
Total Fat

The treatment of the metabolic syndrome aims to improve insulin sensitivity and correct/prevent the associated metabolic and cardiovascular abnormalities. Since many individuals with the metabolic syndrome are overweight, dietary treatment should be primarily focused on weight reduction. This approach can improve insulin sensitivity and exert beneficial effects on all the other abnormalities clustering in the syndrome. Insulin sensitivity can also be influenced by diet composition. In this respect, the specific effects of the quality of dietary fat are of great interest, given the considerable evidence in experimental animals that saturated fat in the diet may lead to insulin resistance. In man, there is indirect evidence that a higher saturated fat intake is associated with impaired insulin action. Human studies have also attempted to evaluate the relationship between total fat intake and insulin sensitivity. They are consistent in showing that fat intake is correlated with both plasma insulin values (positively) and insulin sensitivity (negatively). However, these correlations are largely mediated by body weight. Conversely, intervention studies are consistent in showing that when total fat intake is moderately increased (from 20 to 40 %), no major effect is observed on insulin sensitivity. We have recently undertaken a large, multicentre intervention study in 162 healthy individuals given either a high-saturated-fat or a high-monounsaturated-fat diet for 3 months. It shows that a high-monounsaturated-fat diet significantly improves insulin sensitivity compared to a high-saturated-fat diet. However, this beneficial effect of monounsaturated fat disappears when total fat intake exceeds 38 % of total energy. Independently of its effects on insulin sensitivity, diet composition can influence the factors clustering in the metabolic syndrome. Dietary carbohydrate increases blood glucose levels, particularly in the postprandial period, and consequently also insulin levels and plasma triglycerides. The detrimental effects of a high-carbohydrate diet on plasma glucose/insulin, triglyceride/HDL or fibrinolysis occur only when carbohydrate foods with a high glycaemic index are consumed, while they are abolished if the diet is based largely on fibre-rich, low-glycaemic-index foods. In conclusion, weight reduction is a powerful measure for the treatment of metabolic syndrome. Moreover, the diet for the treatment of the metabolic syndrome should be limited in the intake of saturated fat, while high fibre/low-glycaemic-index foods should be used without specific limitations. Moderate amounts of monounsaturated fat could be permitted as they do not induce detrimental metabolic effects.

scholarly journals Influence of experimental metabolic syndrome on bioimpedance spectroscopy indicators of rat body

2021 ◽  
Vol 11 (8) ◽  
pp. 470-479
Author(s):  
T. Ivanenko ◽  
T. Hrekova ◽  
T. Abramova ◽  
A. Shiryaeva ◽  
G. Vasilenko
Keyword(s):  
Metabolic Syndrome ◽  
Fluid Balance ◽  
Extracellular Fluid ◽  
The Other ◽  
Bioimpedance Spectroscopy ◽  
The Metabolic Syndrome ◽  
Total Fat ◽  
First Time ◽  
Total Fluid

The objective of this experiment was to establish sex-related differences in the parameters of bioimpedance spectroscopy of the Wistar rat’s bodies in the experimental metabolic syndrome (endocrine-salt model). Sexual dependencies of bioimpedance measurements in intact animals have been determined for the first time: males have higher amount of total fluid, but lower one of total fat. The intra/extracellular fluid balance in males is characterized with ratio  2:1, while in females is the other one - 1:1. For the first time the formation of the metabolic syndrome has already been determined on the seventh day in females which lead to decreasing in the percentage of total fat and to changing  of the intra / extracellular fluid balance to ‘male’ type -  2:1. The last one should be considered as a sign of intracellular hyperhydration. In males the examined parameters have been being within the control values ​​throughout 21 days of experiment.

The potential role of the intestinal gut microbiota in obesity and the metabolic syndrome

2009 ◽  
Vol 5 (7) ◽  
pp. 71-92 ◽  
Author(s):  
Francesca Fava ◽  
Julie A. Lovegrove ◽  
Kieran M. Tuohy ◽  
Glenn R. Gibson
Keyword(s):  
Metabolic Syndrome ◽  
Gut Microbiota ◽  
Potential Role ◽  
The Metabolic Syndrome
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