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Post prandial lipemia

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https://www.readbyqxmd.com/read/29572498/a-single-high-fat-meal-provokes-pathological-erythrocyte-remodeling-and-increases-myeloperoxidase-levels-implications-for-acute-coronary-syndrome
#1
Tyler W Benson, Neal L Weintraub, Ha Won Kim, Nichole Seigler, Sanjiv Kumar, Jonathan Pye, Tetsuo Horimatsu, Rod Pellenberg, David W Stepp, Rudolf Lucas, Vladimir Y Bogdanov, Sheldon E Litwin, Julia E Brittain, Ryan A Harris
High-fat meal (HFM) consumption can produce acute lipemia and trigger myocardial infarction in patients with atherosclerosis, but the mechanisms are poorly understood. Erythrocytes (red blood cells, RBCs) intimately interact with inflammatory cells and blood vessels and play a complex role in regulating vascular function. Chronic high-fat feeding in mice induces pathological RBC remodeling, suggesting a novel link between HFM, RBCs, and vascular dysfunction. However, whether acute HFM can induce RBC remodeling in humans is unknown...
March 23, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28445900/central-and-peripheral-glucagon-reduces-hyperlipidemia-in-rats-and-hamsters
#2
COMPARATIVE STUDY
Vishal Patel, Amit Joharapurkar, Samadhan Kshirsagar, Hiren M Patel, Dheerendra Pandey, Dipam Patel, Kiran Shah, Rajesh Bahekar, Gaurang B Shah, Mukul R Jain
Increased lipid levels in blood contribute to increasing the risk of diabetic complications. Glucagon exerts lipid lowering effects in diabetic state. However, the mechanism behind the lipid reduction by glucagon independent of glucose homeostasis is not well understood. We assessed the actions of glucagon on lipid modulation in blood and markers in liver in hyperlipidemic hamsters and rats. Male Sprague Dawley rats and Golden Syrian hamsters on a hyperlipidemic diet for 2 weeks were administered a single dose of glucagon by subcutaneous (SC, 150 and 300 µg/kg) or intracerebroventricular (ICV, 15 and 30 µg/animal) route...
June 2017: Drug Research
https://www.readbyqxmd.com/read/26629909/central-glp-1-receptor-activation-improves-cholesterol-metabolism-partially-independent-of-its-effect-on-food-intake
#3
Vishal Patel, Amit Arvind Joharapurkar, Samadhan Govind Kshirsagar, Kartikkumar Navinchandra Patel, Rajesh Bahekar, Gaurang Shah, Mukul R Jain
Glucagon-like peptide-1 (GLP-1) receptor agonists modulate lipid metabolism, apart from controlling glucose homeostasis. We investigated the role of central GLP-1 receptor (GLP-1R) agonism in regulation of hepatic lipid metabolism in cholesterol-fed hamsters. Cholesterol-fed hamsters were treated by intracerebroventricular (i.c.v.) route with exendin-4, as acute or repeated dose regimen and compared with hamsters pair-fed to the exendin-treated hamsters and with hamsters co-treated with GLP-1 antagonist exendin-9...
July 29, 2015: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/24874591/vildagliptin-compared-to-glimepiride-on-post-prandial-lipemia-and-on-insulin-resistance-in-type-2-diabetic-patients
#4
RANDOMIZED CONTROLLED TRIAL
Giuseppe Derosa, Aldo Bonaventura, Lucio Bianchi, Davide Romano, Elena Fogari, Angela D'Angelo, Pamela Maffioli
OBJECTIVES: To evaluate the effects of vildagliptin compared to glimepiride on glycemic control, insulin resistance and post-prandial lipemia. MATERIAL AND METHODS: 167 type 2 diabetic patients, not adequately controlled by metformin, were randomized to vildagliptin 50 mg twice a day or glimepiride 2 mg three times a day for 6 months, in a double blind, randomized clinical trial. We evaluated: body mass index (BMI), glycemic control, fasting plasma insulin (FPI), homeostasis model assessment insulin resistance index (HOMA-IR), fasting plasma proinsulin (FPPr), glucagon, lipid profile, resistin, retinol binding protein-4 (RBP-4), visfatin and vaspin...
July 2014: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/24525311/low-molecular-weight-heparin-induced-increase-in-chylomicron-remnants-clearance-is-associated-with-decreased-plasma-tnf-%C3%AE-level-and-increased-hepatic-lipase-activity
#5
Itamar Grosskopf, Aviv Shaish, Assaf Ray, Dror Harats, Yehuda Kamari
OBJECTIVE: The acute effect of heparin on lipoprotein clearance is well characterized. Yet, the effect of prolonged low-molecular-weight-heparin (LMWH) administration on post-prandial lipemia has remained so far unexplored. Recent reports suggest that LMWH could modify lipid and carbohydrate metabolism by diminishing TNFα-mediated inflammatory response. This, together with the known negative effect of TNF-α on insulin sensitivity, prompted us to hypothesize that LMWH would favorably affect post-prandial lipoprotein disposal...
April 2014: Thrombosis Research
https://www.readbyqxmd.com/read/23406056/the-influence-of-weight-excess-on-the-postprandial-lipemia-in-adolescents
#6
Viviane Sahade, Silvana França, Luis F Adan
BACKGROUND: Postprandial lipemia (PL) in adults has been extensively studied, but little explored in youth. The aim of this study was to evaluate the influence of weight excess on postprandial lipemia in adolescents. METHODS: Eighty-three adolescents were classified into Groups 1 (n= 49, overweight) and 2 (n=34, eutrophic). Total cholesterol (TC), triglycerides (TG), HDL and LDL cholesterol were measured before, 2 and 4 hours after a standardized 25 g lipid and 25 g of carbohydrate test meal; glycemia and insulin measured only at baseline...
2013: Lipids in Health and Disease
https://www.readbyqxmd.com/read/21502796/effects-of-short-term-treatment-with-orlistat-on-growth-hormone-insulin-like-growth-factor-i-axis-in-obese-post-menopausal-women
#7
RANDOMIZED CONTROLLED TRIAL
C Di Somma, A Rivellese, G Pizza, L Patti, A De Rosa, P Cipriano, V Nedi, A Rossi, G Lombardi, A Colao, S Savastano
AIM: Obesity is associated with an altered GH/IGF-I axis status, accounting for the increased cardiovascular risk in obese subjects with GH deficiency. Aim of this randomized, simple-blind, cross-over study was to verify the effectiveness of a short-term treatment with orlistat in reducing non-esterified fatty acid (NEFA) and influencing the endogenous activity of GH/IGF-I axis in obese subjects. OUTCOME MEASURES: The primary outcome measures were post-prandial lipemia; GH peak after GHRH+arginine; IGF-I; IGF-binding protein (BP)-3, IGF-I/IGFBP-3 ratio...
February 2011: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/20359487/effects-of-a-standardized-oral-fat-load-on-vascular-remodelling-markers-in-healthy-subjects
#8
MULTICENTER STUDY
Giuseppe Derosa, Ilaria Ferrari, Angela D'Angelo, Sibilla A T Salvadeo, Elena Fogari, Alessia Gravina, Roberto Mereu, Ilaria Palumbo, Pamela Maffioli, Sabrina Randazzo, Arrigo F G Cicero
The most adequate way to experimentally reproduce the post-prandial lipemia condition appears to be the administration of a standardized oral fat load (OFL) to fasting patients. We studied the effects of a standardized OFL on markers of vascular remodelling in healthy subjects. We enrolled 286 Caucasians aged >or= 18 of either sex. The OFL was given after a 12-h fast. Blood samples were drawn before and 3, 6, 9 and 12h after the fat load. The following parameters were evaluated: body mass index (BMI), blood glucose (BG), systolic blood pressure (SBP), diastolic blood pressure (DBP), lipid profile, nitrites and nitrates, adiponectin (ADP), metalloproteinase-2 (MMP-2) and metalloproteinase-9 (MMP-9)...
July 2010: Microvascular Research
https://www.readbyqxmd.com/read/19130989/endothelial-dysfunction-induced-by-post-prandial-lipemia-complete-protection-afforded-by-high-intensity-aerobic-interval-exercise
#9
Gjertrud Aunet Tyldum, Inga Ekeberg Schjerve, Arnt Erik Tjønna, Idar Kirkeby-Garstad, Tomas O Stølen, Russell S Richardson, Ulrik Wisløff
OBJECTIVES: This study was designed to study the effect of exercise and a high-fat meal (HFM) on endothelial function. BACKGROUND: Post-prandial lipemia and exercise oppose each other in terms of cardiovascular risk; however, the mechanism of their interaction is not well understood. METHODS: Endothelial function was assessed by brachial artery flow-mediated dilation (FMD) in 8 healthy men before and after an HFM preceded (16 to 18 h) by rest, a single bout of continuous moderate-intensity exercise (CME), and high-intensity interval exercise (HIIE)...
January 13, 2009: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/18991602/the-effects-of-medications-used-for-the-management-of-diabetes-and-obesity-on-postprandial-lipid-metabolism
#10
REVIEW
Ioanna Eleftheriadou, Pinelop Grigoropoulou, Nicholas Katsilambros, Nicholas Tentolouris
Postprandial lipemia has emerged as an independent risk factor for coronary artery disease. In this systematic review we examined the effect of the medications used for the management of diabetes, obesity and dyslipidemia on postprandial lipemia. It should be mentioned that no standardization exists for a test meal and for the duration of observation postprandially to allow for direct comparisons between the published studies. Type 2 diabetes mellitus and insulin resistance are associated with enhanced postprandial lipemia...
November 2008: Current Diabetes Reviews
https://www.readbyqxmd.com/read/18676184/mechanism-of-intestinal-lipoprotein-overproduction-in-insulin-resistant-humans
#11
REVIEW
Hélène Duez, Mirjana Pavlic, Gary F Lewis
Triglyceride-rich lipoproteins (TRLs) derived from the intestine are increased in insulin resistant states both in the post-prandial and fasted state and are associated with increased cardiovascular risk. Impaired clearance has long been invoked to explain this accumulation of intestinal TRLs, but more recent studies have highlighted the fact that the production rate of apolipoprotein (apo) B-48-containing particles is also increased in insulin resistance and Type 2 diabetes. Recent data also indicate that the enterocyte, similar to the hepatocyte, overproduces lipoprotein particles in response to an elevation of plasma free fatty acids...
September 2008: Atherosclerosis. Supplements
https://www.readbyqxmd.com/read/15330270/endothelial-function-and-postprandial-lipemia
#12
EDITORIAL
G B Vigna, C Delli Gatti, R Fellin
It is widely recognised that post-prandial lipoproteins play a role in the development of atherosclerosis, but the mechanisms underlying this role are unclear. An attractive working hypothesis is that the pathogenetic link is endothelial dysfunction. The available data seem to corroborate this theory and recognise triggering by oxidative stress, but some of the evidence is still contradictory.
June 2004: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/14632967/effects-of-fenofibrate-on-endothelial-function-and-cell-adhesion-molecules-during-post-prandial-lipemia-in-hypertriglyceridemia
#13
S Marchesi, G Lupattelli, R Lombardini, A R Roscini, D Siepi, G Vaudo, M Pirro, H Sinzinger, G Schillaci, E Mannarino
BACKGROUND: Fasting and post-prandial hypertriglyceridemia have been associated with endothelial dysfunction. OBJECTIVE: To investigate the effects of a 3-month treatment with fenofibrate (200 mg daily) on endothelial reactivity and inflammatory state in hypertriglyceridemic patients at fast and after an oral fat load. METHODS: Brachial flow-mediated vasodilation (FMV) and the circulating levels of intercellular adhesion molecule (ICAM) and vascular cellular adhesion molecule (VCAM) were determined in 10 hypertriglyceridemic patients...
October 2003: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/13989766/effect-of-age-and-restraint-on-post-prandial-lipemia-clearance-in-dogs
#14
H SOBEL, H V THOMAS
No abstract text is available yet for this article.
January 1963: Proceedings of the Society for Experimental Biology and Medicine
https://www.readbyqxmd.com/read/12705169/triglyceride-lowering-effect-of-pitavastatin-in-a-guinea-pig-model-of-postprandial-lipemia
#15
Taro Aoki, Hiroyuki Yamazaki, Taro Tamaki, Fumiyasu Sato, Masaki Kitahara, Yasushi Saito
The triglyceride (TG)-lowering effect of pitavastatin (CAS 147526-32-7), a potent 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase inhibitor, was investigated in a guinea pig model of post-prandial lipemia. Plasma TG levels started to rise 2 h after the fat load, reached the maximum at 8 h and then gradually decreased. A 14-day dose of pitavastatin at 3 mg/kg decreased the 8 h plasma TG levels by 59%, and the 0-12 h area under the curve (AUC) of TG levels above the initial levels, by 77%. This effect was also shown with 30 mg/kg of atorvastatin (CAS 134523-00-5), and the same dose of simvastatin (CAS 79902-63-9)...
2003: Arzneimittel-Forschung
https://www.readbyqxmd.com/read/12669119/do-oxidized-fatty-acids-activate-coagulation-factor-vii-during-post-prandial-lipemia-in-women
#16
Robert Wilson, Karin Lyall, E Margaret Millar, Louise Smyth, Claire Pearson, Rudolph A Riemersma
Factor VII is activated to VIIa within hours after dietary fat, irrespective of its fatty acid composition. Edible oils contain oxidized material (hydroxy fatty acids, HOFA). Twenty-five fasting women, aged 38 (10) years, consumed 30 g walnut oil containing 26 (6) mg HOFA. Blood was collected 2-hourly to measure plasma triglycerides and plasma lipid HOFA by gas chromatography/mass spectrometry. VII and sTF-dependent VIIa were quantified at 0, 6 and 24 h. Increased plasma triglycerides and HOFA (areas under the curve 0-8 h, AUC) were related r = 0...
April 2003: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/11852380/effects-of-short-term-modest-weight-loss-on-fasting-and-post-prandial-lipoprotein-sub-fractions-in-type-2-diabetes-mellitus-patients
#17
J Ybarra, R W James, V Makoundou, S Bioletto, A Golay
OBJECTIVE: We assessed the efficacy of a modest weight loss (1.5 +/- 0.3 kg) and simultaneous rapid improvement in glycemic control on fasting an post-prandial lipoprotein sub-fractions in nine overweight (BMI=28 +/- 1.7 kg/m(2)) well controlled Type 2 diabetic patients (HbA(1c)=7.3 +/- 0.1%). MATERIAL AND METHODS: They followed a non-drastical hypocaloric balanced diet (1 561 +/- 39 kcal/day) over ten days in hospital. The fat content of the diet was significantly lowered from 96 +/- 12 g/day to 62 +/- 4 g/day (p<0...
December 2001: Diabetes & Metabolism
https://www.readbyqxmd.com/read/11505866/-lipid-metabolism-and-exercise
#18
REVIEW
J R Lacour
A high level of physical activity is associated with a lower cardiovascular risk in adult and elderly subjects. Several mechanisms are involved. Physical activity induces an increase in energy output. The contribution of fats to muscle energy metabolism increases with exercise duration. It decreases with exercise intensity. EPOC contributes by about 10% to the total energy cost of exercise. This supplementary energy expenditure is principally covered with fat oxidation, this being related to GH release. Part of energy expended during intermittent exercise is supplied by fat oxidation...
June 30, 2001: La Revue du Praticien
https://www.readbyqxmd.com/read/11229880/lipoprotein-subclasses-and-atherosclerosis
#19
REVIEW
R H Superko
Differences in LDL and HDL subclass distribution contribute to increased CAD risk through a variety of mechanisms. The inherited disorder characterized by an abundance of small, dense LDL particles increased CAD risk 3-fold and is associated with rapid arteriographic progression. The metabolic milieu associated with the small LDL trait includes insulin resistance, increased IDL, increased susceptibility to oxidative damage, impaired reverse cholesterol transport, and increased post prandial lipemia. Recent evidence indicates that the LDL IIIa+b region are the LDL subclass regions most associated with atherosclerosis...
March 1, 2001: Frontiers in Bioscience: a Journal and Virtual Library
https://www.readbyqxmd.com/read/11164429/impaired-flow-mediated-vasoactivity-during-post-prandial-phase-in-young-healthy-men
#20
S Marchesi, G Lupattelli, G Schillaci, M Pirro, D Siepi, A R Roscini, L Pasqualini, E Mannarino
Impaired flow-mediated vasodilation in large arteries is an expression of endothelial dysfunction and an established marker of early atherosclerosis. Post-prandial lipemia can induce an impairment of the endothelial function. The aim of our study was to evaluate the effects of post-prandial phase on flow-mediated vasodilation in a group of ten young (23 +/- 2 years) healthy men without cardiovascular risk factors, who underwent an oral fat-loading test. Flow-mediated vasodilation of the brachial artery and serum lipid profile were assessed under fasting conditions and 2, 4, 6 and 8 h after a high-fat meal...
December 2000: Atherosclerosis
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