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https://www.readbyqxmd.com/read/29036931/mass-spectrometric-studies-of-apolipoprotein-proteoforms-and-their-role-in-lipid-metabolism-and-type-2-diabetes
#1
REVIEW
Dobrin Nedelkov
Apolipoproteins function as structural components of lipoprotein particles, cofactors for enzymes, and ligands for cell-surface receptors. Most of the apoliporoteins exhibit proteoforms, arising from single nucleotide polymorphisms (SNPs) and post-translational modifications such as glycosylation, oxidation, and sequence truncations. Reviewed here are recent studies correlating apolipoproteins proteoforms with the specific clinical measures of lipid metabolism and cardiometabolic risk. Targeted mass spectrometric immunoassays toward apolipoproteins A-I, A-II, and C-III were applied on large cross-sectional and longitudinal clinical cohorts...
October 15, 2017: Proteomes
https://www.readbyqxmd.com/read/29036927/chinese-olive-canarium-album-l-fruit-extract-attenuates-metabolic-dysfunction-in-diabetic-rats
#2
Yu-Te Yeh, An-Na Chiang, Shu-Chen Hsieh
Hyperglycemia and dysregulation of lipid metabolism play a crucial role in metabolic dysfunction. The aims of present study were to evaluate the ameliorative effect of the ethyl acetate fraction of Chinese olive fruit extract (CO-EtOAc) on high-fat diet (HFD) and streptozotocin (STZ)-induced diabetic rats. CO-EtOAc, rich in gallic acid and ellagic acid, could markedly decreased the body weight and epididymal adipose mass. In addition, CO-EtOAc increased serum HDL-C levels, hepatic GSH levels, and antioxidant enzyme activities; lowered blood glucose, serum levels of total cholesterol (TC), triglycerides (TG), bile acid, and tumor necrosis factor alpha (TNFα); and reduced TC and TG in liver...
October 15, 2017: Nutrients
https://www.readbyqxmd.com/read/29036913/alpha-galacto-oligosaccharides-at-low-dose-improve-liver-steatosis-in-a-high-fat-diet-mouse-model
#3
Eric Chappuis, Fanny Morel-Depeisse, Bruno Bariohay, Julien Roux
Non-Alcoholic Fatty Liver Disease (NAFLD) is the major liver disease worldwide and is linked to the development of metabolic syndrome and obesity. As alpha-galacto-oligosaccharides (α-GOS) from legumes have been shown to reduce body weight and hyperphagia in overweight adults, it was hypothesized that they would exert benefits on the development of metabolic syndrome and associated NAFLD in a rodent model. C57Bl/6J mice were fed a high-fat diet until they developed metabolic syndrome and were then orally treated either with α-GOS at a physiological dose (2...
October 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29036887/reference-intervals-for-non-fasting-cvd-lipids-and-inflammation-markers-in-pregnant-indigenous-australian-women
#4
Tracy L Schumacher, Christopher Oldmeadow, Don Clausen, Loretta Weatherall, Lyniece Keogh, Kirsty G Pringle, Kym M Rae
Indigenous Australians experience high rates of cardiovascular disease (CVD). The origins of CVD may commence during pregnancy, yet few serum reference values for CVD biomarkers exist specific to the pregnancy period. The Gomeroi gaaynggal research project is a program that undertakes research and provides some health services to pregnant Indigenous women. Three hundred and ninety-nine non-fasting samples provided by the study participants (206 pregnancies and 175 women) have been used to construct reference intervals for CVD biomarkers during this critical time...
October 14, 2017: Healthcare (Basel, Switzerland)
https://www.readbyqxmd.com/read/29036763/effect-of-treadmill-exercise-on-skeletal-muscle-autophagy-in-rats-with-obesity-induced-by-a-high-fat-diet
#5
Do Keun Cho, Dong Hun Choi, Joon Yong Cho
PURPOSE: This study aimed to investigate the effects of treadmill exercise on body weight, blood biochemistry, and autophagy. METHODS: Triglyceride, total cholesterol, low-density lipoprotein cholesterol, high-density lipoprotein cholesterol, insulin, and glucose levels were measured, the Homeostatic Model Assessment of Insulin Resistance (HOMA-IR) score was calculated, and the soleus muscle was analyzed for autophagy-related factors (Beclin-1, p62, LC3, Lamp-2) in rats with obesity induced by a high-fat diet...
September 30, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/29035941/arterial-stiffness-and-cardiometabolic-phenotype-of-cameroonian-pygmies-and-bantus
#6
William Ngatchou, Daniel Lemogoum, Christian Mélot, Virginie Guimfacq, Philippe van de Borne, Jean Claude Wautrecht, Michel P Hermans, Luc Van Bortel, Marc Leeman
BACKGROUND: Pygmies living in the Central African rainforest with a traditional hunter-gatherer lifestyle have a low incidence of cardiovascular diseases. Because of progressive loss of traditional habitat and ancestral lands, some Pygmies have migrated to urban areas and adopt specific Bantu lifestyles such as increased salt consumption and a sedentary way of life. We tested the hypothesis that migrant Pygmies could present with hemodynamic and metabolic characteristics different from those of traditional in-situ Pygmies and possibly closer to those of Bantu farmers...
October 13, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/29035830/hypolipemiant-and-antioxidant-effects-of-eugenia-brasiliensis-in-an-animal-model-of-coconut-oil-induced-hypertriglyceridemia
#7
Aline Barbosa Lima, Daniela Delwing-de Lima, Mariana Ramos Vieira, Marina Zordan Poletto, Débora Delwing-Dal Magro, Sara Cristiane Barauna, Michele Debiasi Alberton, Eduardo Manoel Pereira, Nariana Regina Pereira, Eloise Mariane Salamaia, Diogo Alexandre Siebert
We investigated the effects of chronic administration of crude hydroalcoholic extract (CHE) and crude acetone extract (CAE) obtained from leaves of Eugenia brasiliensis species on hypertriglyceridemia and oxidative stress caused by the chronic administration of coconut oil. Rats received CHE or CAE (50, 100 or 150mg/kg, orally) for 30days, plus coconut oil (2mL, orally) or saline for 15th. Triglyceride levels, liver cell lipid accumulation, thiobarbituric acid reactive substances (TBA-RS), total sulfhydryl content and the activities of antioxidant enzymes catalase (CAT), superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) were evaluated in the blood and liver of rats...
October 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29035785/association-of-blood-polychlorinated-biphenyls-and-cholesterol-levels-among-canadian-inuit
#8
Kavita Singh, Hing Man Chan
BACKGROUND: It has generally been thought that Inuit populations have low risk of cardiovascular disease due to high consumption of omega-3 fatty acids found in traditional marine-based diets. However, results of recent surveys showed that Inuit populations are experiencing increasing rates of cardiovascular disease and related risk factors. OBJECTIVE: The purpose of this study was to investigate if blood polychlorinated biphenyls (PCBs) are associated with high cholesterol and related parameters in Canadian Inuit, known risk factors for cardiovascular disease...
October 13, 2017: Environmental Research
https://www.readbyqxmd.com/read/29035427/differences-in-the-korea-acute-myocardial-infarction-registry-compared-with-western-registries
#9
REVIEW
Doo Sun Sim, Myung Ho Jeong
The Korea Acute Myocardial Infarction Registry (KAMIR) is the first nationwide registry that reflects current therapeutic approaches and acute myocardial infarction (AMI) management in Korea. The results of the KAMIR demonstrated different risk factors and responses to medical and interventional treatments. The results indicated that the incidence of ST-elevation myocardial infarction (STEMI) was relatively high, and that the prevalence of dyslipidemia was relatively low with higher triglyceride and lower high-density lipoprotein cholesterol levels...
September 18, 2017: Korean Circulation Journal
https://www.readbyqxmd.com/read/29035283/mtorc1-stimulates-phosphatidylcholine-synthesis-to-promote-triglyceride-secretion
#10
William J Quinn, Min Wan, Swapnil V Shewale, Rebecca Gelfer, Daniel J Rader, Morris J Birnbaum, Paul M Titchenell
Liver triacylglycerol (TAG) synthesis and secretion are closely linked to nutrient availability. After a meal, hepatic TAG formation from fatty acids is decreased, largely due to a reduction in circulating free fatty acids (FFA). Despite the postprandial decrease in FFA-driven esterification and oxidation, VLDL-TAG secretion is maintained to support peripheral lipid delivery and metabolism. The regulatory mechanisms underlying the postprandial control of VLDL-TAG secretion remain unclear. Here, we demonstrated that the mTOR complex 1 (mTORC1) is essential for this sustained VLDL-TAG secretion and lipid homeostasis...
October 16, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29035100/serum-lipid-level-and-lifestyles-are-associated-with-carotid-femoral-pulse-wave-velocity-among-adults-4-4-year-prospectively-longitudinal-follow-up-of-a-clinical-trial
#11
XiaoXiao Zhao, Hongyu Wang, LiuJin Bo, Hongwei Zhao, Lihong Li, Yingyan Zhou
Lifestyle modifications are recommended as the initial treatment for high blood pressure. The influence of dyslipidemia might be via moderate arterial stiffness, which results in hypertension and cardiovascular disease. We used data from a subgroup of the lifestyle, level of serum lipids/carotid femoral-pulse wave velocity (CF-PWV) Susceptibility BEST Study, a population-based study of community-dwelling adults aged 45-75 years. The serum lipid level and CF-PWV were measured at baseline, and lifestyle such as smoking status, sleeping habits, and the level of oil or salt intake was determined with the use of a validated questionnaire during follow-up...
October 16, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29034492/transcriptome-analyses-reveal-genes-and-pathways-associated-with-fatty-acid-composition-traits-in-pigs
#12
J Zhang, L Cui, J Ma, C Chen, B Yang, L Huang
Fatty acid composition is associated with meat quality in pigs as well as with obesity- and diabetes-related traits in humans. Liver and muscle are important tissues for fatty acid metabolism. In this study, we evaluated correlations between liver and muscle transcriptomes and fatty acid composition traits in muscle and abdominal fat tissues in 335 F2 pigs from a White Duroc × Erhualian F2 pig resource population. Transcripts significantly correlated with fatty acid composition traits were enriched for genes involved in the categories of triglyceride catabolic process, mitochondrial function, hematological and immune system, and disease such as Type II diabetes...
October 16, 2017: Animal Genetics
https://www.readbyqxmd.com/read/29034362/lipid-droplets-potential-biomarker-and-metabolic-target-in-glioblastoma
#13
Feng Geng, Deliang Guo
Lipid droplets (LDs) are subcellular organelles that store large amounts of the neutral lipids, triglycerides (TG) and/or cholesteryl esters (CE). LDs are commonly formed in adipocytes, liver cells and macrophages, and their formation has been shown to be associated with the progression of metabolic diseases, i.e., obesity, fatty liver and atherosclerosis. Interestingly, LDs are also found in some tumor tissues. We recently showed that LDs are prevalent in glioblastoma (GBM), the most deadly brain tumor, but are not detectable in low-grade gliomas and normal brain tissues, suggesting that LDs may serve as a novel diagnostic biomarker for GBM...
May 2017: Internal Medicine Review (Washington, D.C.: Online)
https://www.readbyqxmd.com/read/29034200/promising-effect-of-rosa-damascena-extract-on-high-fat-diet-induced-nonalcoholic-fatty-liver
#14
Ida Davoodi, Roja Rahimi, Mohammad Abdollahi, Fatemeh Farzaei, Mohammad Hosein Farzaei, Zahra Memariani, Fariba Najafi
NAFLD is a chronic liver disease that affects a high proportion of the world's population which causes metabolic and hepatic damages. Rosa damascena Mill is traditionally used as a dietary supplement for liver disorders. This study was carried out to determine the beneficial effect of standardized extract of R. damascena on animal model of nonalcoholic fatty liver disease (NAFLD). NAFLD was induced by high-fat diet (HFD) in Wistar rats. HFD rats showed an increase (p < 0.05) in the plasma lipid levels of total cholesterol (TC), triglyceride (TG), low-density lipoprotein (LDL), and reduced the high-density lipoprotein (HDL) levels...
October 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/29033897/evaluation-of-cardiometabolic-parameters-among-obese-women-using-oral-contraceptives
#15
Júnia Raquel Dutra Ferreira, Milena Magalhães Aleluia, Camylla Vilas Boas Figueiredo, Larissa Castro de Lima Vieira, Rayra Pereira Santiago, Caroline Conceição da Guarda, Cynara Gomes Barbosa, Ricardo Riccio Oliveira, Elisângela Vitória Adorno, Marilda de Souza Gonçalves
BACKGROUND: Combined oral contraceptive (COC) use has been associated with an unfavorable impact on carbohydrate and lipid metabolism in diverse populations of normal weight and obese women. The present study aimed to evaluate the cardiometabolic and inflammatory profiles of women in northeastern Brazil with respect to COC use and obesity. METHODS: We performed a cross-sectional study to verify cardiovascular parameters, including blood pressure (BP), fasting serum glucose, lipid, and inflammatory profile, in a population of women aged 15-45 years, considering obesity and COC use...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29033281/sedentary-behaviour-physical-activity-cardiorespiratory-fitness-and-cardiometabolic-risk-in-psychosis-the-psychiactive-project
#16
Javier Bueno-Antequera, Miguel Ángel Oviedo-Caro, Diego Munguía-Izquierdo
This study aimed to explore the possible independent associations of sedentary behaviour (SB), physical activity (PA), and cardiorespiratory fitness (CRF) with clustered (CCRS) and individual cardiometabolic risk (waist circumference [waist], systolic/diastolic blood pressure, triglycerides, high-density lipoprotein-cholesterol, and fasting blood glucose) in patients with psychosis. In 43 outpatients with psychosis (mean age±SD: 42.3±8.5years, 86% men), SB and light, moderate-to-vigorous, and total PA were measured with the SenseWear Pro3 Armband, and CRF with the 6-minute walking test...
October 12, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/29032081/protein-malnutrition-after-weaning-disrupts-peripheral-clock-and-daily-insulin-secretion-in-mice
#17
Patricia Cristine Borck, Thiago Martins Batista, Jean Franciesco Vettorazzi, Rafael Ludemann Camargo, Antonio Carlos Boschero, Elaine Vieira, Everardo Magalhães Carneiro
Changes in nutritional state may alter circadian rhythms through alterations in expression of clock genes. Protein deficiency has a profound effect on body metabolism, but the effect of this nutrient restriction after weaning on biological clock has not been explored. Thus, this study aims to investigate whether the protein restriction affects the daily oscillation in the behavior and metabolic rhythms, as well as expression of clock genes in peripheral tissues. Male C57BL/6 J mice, after weaning, were fed a normal-protein (NP) diet or a low-protein (LP) diet for 8 weeks...
September 4, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29031942/morbidity-in-new-zealand-pesticide-producers-exposed-to-2-3-7-8-tetrachlorodibenzo-p-dioxin-tcdd
#18
Andrea 't Mannetje, Amanda Eng, Chris Walls, Evan Dryson, Jeroen Douwes, Pier Bertazzi, Simon Ryder-Lewis, David Scott, Collin Brooks, Dave McLean, Soo Cheng, Neil Pearce
OBJECTIVES: To conduct a cross-sectional morbidity survey among 245 former employees of a pesticide production plant exposed to 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) in New Zealand. METHODS: Demographic factors and health information were collected in face-to-face interviews. TCDD, lipids, thyroid hormones, glucose and immunoglobulin G (IgG) were determined in non-fasting blood. For 111 participants, a neurological examination was conducted. Associations between health outcomes and working in a TCDD exposed job (prevalence 49%) and serum TCDD concentration≥10pg/g lipid (18%) were assessed using logistic regression whilst controlling for age, gender, smoking, body mass index and ethnicity...
October 11, 2017: Environment International
https://www.readbyqxmd.com/read/29031727/angiopoietin-like-protein-4-is-an-exercise-induced-hepatokine-in-humans-regulated-by-glucagon-and-camp
#19
Bodil Ingerslev, Jakob S Hansen, Christoph Hoffmann, Jens O Clemmesen, Niels H Secher, Mika Scheler, Martin Hrabĕ de Angelis, Hans U Häring, Bente K Pedersen, Cora Weigert, Peter Plomgaard
OBJECTIVE: Angiopoietin-like protein-4 (ANGPTL4) is a circulating protein that is highly expressed in liver and implicated in regulation of plasma triglyceride levels. Systemic ANGPTL4 increases during prolonged fasting and is suggested to be secreted from skeletal muscle following exercise. METHODS: We investigated the origin of exercise-induced ANGPTL4 in humans by measuring the arterial-to-venous difference over the leg and the hepato-splanchnic bed during an acute bout of exercise...
October 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/29031715/angptl8-promotes-the-ability-of-angptl3-to-bind-and-inhibit-lipoprotein-lipase
#20
Xun Chi, Emily C Britt, Hannah W Shows, Alexander J Hjelmaas, Shwetha K Shetty, Emily M Cushing, Wendy Li, Alex Dou, Ren Zhang, Brandon S J Davies
OBJECTIVE: Several members of the angiopoietin-like (ANGPTL) family of proteins, including ANGPTL3 and ANGPTL8, regulate lipoprotein lipase (LPL) activity. Deficiency in either ANGPTL3 or ANGPTL8 reduces plasma triglyceride levels and increases LPL activity, whereas overexpression of either protein does the opposite. Recent studies suggest that ANGPTL8 may functionally interact with ANGPTL3 to alter clearance of plasma triglycerides; however, the nature of this interaction has remained elusive...
October 2017: Molecular Metabolism
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