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Metabolomics Cardiovascular

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https://www.readbyqxmd.com/read/27877090/genetic-variant-in-flavin-containing-monooxygenase-3-alters-lipid-metabolism-in-laying-hens-in-a-diet-specific-manner
#1
Jing Wang, Cheng Long, Haijun Zhang, Yanan Zhang, Hao Wang, Hongyuan Yue, Xiaocui Wang, Shugeng Wu, Guanghai Qi
Genetic variant T329S in flavin-containing monooxygenase 3 (FMO3) impairs trimethylamine (TMA) metabolism in birds. The TMA metabolism that under complex genetic and dietary regulation, closely linked to cardiovascular disease risk. We determined whether the genetic defects in TMA metabolism may change other metabolic traits in birds, determined whether the genetic effects depend on diets, and to identify genes or gene pathways that underlie the metabolic alteration induced by genetic and diet factors. We used hens genotyped as FMO3 c...
2016: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/27861330/increased-mean-aliphatic-lipid-chain-length-in-left-ventricular-hypertrophy-secondary-to-arterial-hypertension-a-cross-sectional-study
#2
Maria Francesca Evaristi, Céline Caubère, Romain Harmancey, Franck Desmoulin, William Frank Peacock, Matthieu Berry, Annie Turkieh, Manon Barutaut, Michel Galinier, Camille Dambrin, Carlo Polidori, Cristina Miceli, Bernard Chamontin, François Koukoui, Jerôme Roncalli, Pierre Massabuau, Fatima Smih, Philippe Rouet
About 77.9 million (1 in 4) American adults have high blood pressure. High blood pressure is the primary cause of left ventricular hypertrophy (LVH), which represents a strong predictor of future heart failure and cardiovascular mortality. Previous studies have shown an altered metabolic profile in hypertensive patients with LVH. The goal of this study was to identify blood metabolomic LVH biomarkers by H NMR to provide novel diagnostic tools for rapid LVH detection in populations of hypertensive individuals...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27805021/urinary-biomarkers-of-whole-grain-wheat-intake-identified-by-non-targeted-and-targeted-metabolomics-approaches
#3
Yingdong Zhu, Pei Wang, Wei Sha, Shengmin Sang
Mounting evidence suggests that whole grain (WG) intake plays an important role in chronic disease prevention. However, numerous human studies have failed to produce clear-cut conclusions on this topic. Here, a combination of non-targeted and targeted metabolomics approaches, together with kinetic studies, was used to investigate biomarkers of WG wheat intake and further explore the diet-disease associations. Via these integrated approaches, forty-one compounds were identified as the most discriminating endogenous metabolites after WG versus refined grain (RG) wheat bread consumption...
November 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27798455/the-gut-microbiome-and-hypertension
#4
Meirav Pevsner-Fischer, Eran Blacher, Evgeny Tatirovsky, Iddo Z Ben-Dov, Eran Elinav
PURPOSE OF REVIEW: The mammalian mucosal surfaces are densely inhabited by a diverse microbial ecosystem termed the microbiota. Among these highly heterogeneous populations, the largest and richest is the gut microbiota, recently suggested to affect various physiological traits and susceptibility to disease. Novel metagenomic and metabolomic approaches, which have been developed in the past decade, have enabled the elucidation of the contribution of the microbiota to metabolic, immunologic, neurologic and endocrine homeostasis...
January 2017: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/27788581/environmental-tobacco-smoke-alters-metabolic-systems-in-adult-rats
#5
Dinesh Kumar Barupal, Kent E Pinkerton, Carol Hood, Tobias Kind, Oliver Fiehn
Human exposure to environmental tobacco smoke (ETS) is associated with an increased incidence of pulmonary and cardiovascular disease and possibly lung cancer. Metabolomics can reveal changes in metabolic networks in organisms under different physio-pathological conditions. Our objective was to identify spatial and temporal metabolic alterations with acute and repeated subchronic ETS exposure to understand mechanisms by which ETS exposure may cause adverse physiological and structural changes in the pulmonary and cardiovascular systems...
October 28, 2016: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/27784734/cardiovascular-risk-factors-associated-with-blood-metabolite-concentrations-and-their-alterations-over-a-4-year-period-in-a-population-based-cohort
#6
Maria Elena Lacruz, Alexander Kluttig, Daniel Tiller, Daniel Medenwald, Ina Giegling, Dan Rujescu, Cornelia Prehn, Jerzy Adamski, Stefan Frantz, Karin Halina Greiser, Rebecca Thwing Emeny, Gabi Kastenmüller, Johannes Haerting
BACKGROUND: -The effects of lifestyle risk-factors considered collectively on the human metabolism are so far unknown. We aim to investigate the association of these risk-factors with metabolites and their changes over 4 years. METHODS AND RESULTS: -163 metabolites were measured in serum samples with the AbsoluteIDQ kit p150 (Biocrates) following a targeted metabolomics approach, in a population-based cohort of 1030 individuals, aged 45-83 at baseline. We evaluated associations between metabolite concentrations (28 acylcarnitines, 14 amino acids, 9 lyso-phosphocholines, 72 phosphocholines, 10 sphingomyelins and sum of hexoses) and 5 lifestyle risk factors (BMI, alcohol consumption, smoking, diet and exercise)...
October 26, 2016: Circulation. Cardiovascular Genetics
https://www.readbyqxmd.com/read/27776302/urine-metabolomics-of-high-fat-diet-induced-obesity-using-uhplc-q-tof-ms
#7
Lihui Men, Zifeng Pi, Yuan Zhou, Mengying Wei, Yuanyuan Liu, Fengrui Song, Zhongying Liu
Obesity has become a global epidemic and public health challenge which associates with serious health issues including diabetes, cardiovascular disease, stroke, arthritis, and some types of cancer. To better understand obesity and obesity-related dysfunction, a high-fat diet (HFD) induced obese model was developed on Sprague-Dawley rats. Metabolomics based on ultra high-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry (UHPLC-Q-TOF-MS) was untilized to identify and analyze obesity related metabolites in rat urine samples...
January 5, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/27771515/metabolically-active-extracellular-vesicles-released-from-hepatocytes-under-drug-induced-liver-damaging-conditions-modify-serum-metabolome-and-might-affect-different-pathophysiological-processes
#8
Felix Royo, Laura Palomo, Justyna Mleczko, Esperanza Gonzalez, Cristina Alonso, Ibon Martínez, Miriam Pérez-Cormenzana, Azucena Castro, Juan M Falcon-Perez
Hepatocytes are involved in the endogenous and drug metabolism; many of the enzymes involved in those processes are incorporated into extracellular vesicles and secreted into the bloodstream. Liver-damaging conditions modify the molecular cargo of those vesicles significantly. However, no information about the effect of these hepatic vesicles on the extracellular environment is available. Drug-induced liver damage increases the number of circulating extracellular vesicles and affects the release and content of hepatocyte-derived vesicles...
October 19, 2016: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27768686/effect-of-insulin-resistance-on-monounsaturated-fatty-acid-levels-a-multi-cohort-non-targeted-metabolomics-and-mendelian-randomization-study
#9
Christoph Nowak, Samira Salihovic, Andrea Ganna, Stefan Brandmaier, Taru Tukiainen, Corey D Broeckling, Patrik K Magnusson, Jessica E Prenni, Rui Wang-Sattler, Annette Peters, Konstantin Strauch, Thomas Meitinger, Vilmantas Giedraitis, Johan Ärnlöv, Christian Berne, Christian Gieger, Samuli Ripatti, Lars Lind, Nancy L Pedersen, Johan Sundström, Erik Ingelsson, Tove Fall
Insulin resistance (IR) and impaired insulin secretion contribute to type 2 diabetes and cardiovascular disease. Both are associated with changes in the circulating metabolome, but causal directions have been difficult to disentangle. We combined untargeted plasma metabolomics by liquid chromatography/mass spectrometry in three non-diabetic cohorts with Mendelian Randomization (MR) analysis to obtain new insights into early metabolic alterations in IR and impaired insulin secretion. In up to 910 elderly men we found associations of 52 metabolites with hyperinsulinemic-euglycemic clamp-measured IR and/or β-cell responsiveness (disposition index) during an oral glucose tolerance test...
October 2016: PLoS Genetics
https://www.readbyqxmd.com/read/27760199/methylfolate-trap-promotes-bacterial-thymineless-death-by-sulfa-drugs
#10
Marissa B Guzzo, Hoa T Nguyen, Thanh H Pham, Monika Wyszczelska-Rokiel, Hieronim Jakubowski, Kerstin A Wolff, Sam Ogwang, Joseph L Timpona, Soumya Gogula, Michael R Jacobs, Markus Ruetz, Bernhard Kräutler, Donald W Jacobsen, Guo-Fang Zhang, Liem Nguyen
The methylfolate trap, a metabolic blockage associated with anemia, neural tube defects, Alzheimer's dementia, cardiovascular diseases, and cancer, was discovered in the 1960s, linking the metabolism of folate, vitamin B12, methionine and homocysteine. However, the existence or physiological significance of this phenomenon has been unknown in bacteria, which synthesize folate de novo. Here we identify the methylfolate trap as a novel determinant of the bacterial intrinsic death by sulfonamides, antibiotics that block de novo folate synthesis...
October 2016: PLoS Pathogens
https://www.readbyqxmd.com/read/27757515/high-throughput-and-simultaneous-quantitative-analysis-of-homocysteine-methionine-cycle-metabolites-and-co-factors-in-blood-plasma-and-cerebrospinal-fluid-by-isotope-dilution-lc-ms-ms
#11
Seu Ping Guiraud, Ivan Montoliu, Laeticia Da Silva, Loïc Dayon, Antonio Núñez Galindo, John Corthésy, Martin Kussmann, Francois-Pierre Martin
The methionine cycle is a key pathway contributing to the regulation of human health, with well-established involvement in cardiovascular diseases and cognitive function. Changes in one-carbon cycle metabolites have also been associated with mild cognitive decline, vascular dementia, and Alzheimer's disease. Today, there is no single analytical method to monitor both metabolites and co-factors of the methionine cycle. To address this limitation, we here report for the first time a new method for the simultaneous quantitation of 17 metabolites in the methionine cycle, which are homocysteic acid, taurine, serine, cysteine, glycine, homocysteine, riboflavin, methionine, pyridoxine, cystathionine, pyridoxamine, S-adenosylhomocysteine, S-adenosylmethionine, betaine, choline, dimethylglycine, and 5-methyltetrahydrofolic acid...
October 18, 2016: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/27741979/biomarkers-of-key-biological-pathways-in-cvd
#12
REVIEW
Nancy Swords Jenny, Nels C Olson, Matthew A Allison, Dena E Rifkin, Lori B Daniels, Ian H de Boer, Christina L Wassel, Russell P Tracy
This review provides background on the laboratory design for MESA (Multi-Ethnic Study of Atherosclerosis) as well as the approach used in MESA to select biomarkers for measurement. The research related to the multitude of circulating and urinary biomarkers of inflammation and other novel and emerging biological pathways in MESA is summarized by domain, or pathway, represented by the biomarker. The contributions of MESA biomarkers to our knowledge of these key pathways in the development and progression of atherosclerosis, cardiovascular disease, diabetes, kidney disease, and pulmonary disease are highlighted, as are the contributions of MESA to recommendations for clinical use of several of these biomarkers...
September 2016: Global Heart
https://www.readbyqxmd.com/read/27721472/comprehensive-plasma-metabolomic-analyses-of-atherosclerotic-progression-reveal-alterations-in-glycerophospholipid-and-sphingolipid-metabolism-in-apolipoprotein-e-deficient-mice
#13
Vi T Dang, Aric Huang, Lexy H Zhong, Yuanyuan Shi, Geoff H Werstuck
Atherosclerosis is the major underlying cause of most cardiovascular diseases. Despite recent advances, the molecular mechanisms underlying the pathophysiology of atherogenesis are not clear. In this study, comprehensive plasma metabolomics were used to investigate early-stage atherosclerotic development and progression in chow-fed apolipoprotein E-deficient mice at 5, 10 and 15 weeks of age. Comprehensive plasma metabolomic profiles, based on 4365 detected metabolite features, differentiate atherosclerosis-prone from atherosclerosis-resistant models...
October 10, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27710242/metabolic-fingerprints-of-circulating-igf-i-and-the-igf-i-igfbp-3-ratio-a-multi-fluid-metabolomics-study
#14
Henrike Knacke, Maik Pietzner, Kieu Trinh Do, Werner Römisch-Margl, Gabi Kastenmüller, Uwe Völker, Henry Völzke, Jan Krumsiek, Anna Artati, Henri Wallaschofski, Matthias Nauck, Karsten Suhre, Jerzy Adamski, Nele Friedrich
OBJECTIVE: Insulin-like Growth Factor (IGF-I) is known for its various physiological and severe pathophysiological effects on human metabolism, however underlying molecular mechanisms still remain unsolved. To reveal possible molecular mechanisms mediating these effects, for the first time we associated serum IGF-I levels with multi-fluid untargeted metabolomics data. METHODS: Plasma/urine samples of 995 non-diabetic participants of the Study of Health in Pomerania (SHIP-TREND) were characterized by mass spectrometry...
October 6, 2016: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27696470/disposition-of-intravenously-or-orally-administered-silver-nanoparticles-in-pregnant-rats-and-the-effect-on-the-biochemical-profile-in-urine
#15
Timothy R Fennell, Ninell P Mortensen, Sherry R Black, Rodney W Snyder, Keith E Levine, Eric Poitras, James M Harrington, Christopher J Wingard, Nathan A Holland, Wimal Pathmasiri, Susan C J Sumner
Few investigations have been conducted on the disposition and fate of silver nanoparticles (AgNP) in pregnancy. The distribution of a single dose of polyvinylpyrrolidone (PVP)-stabilized AgNP was investigated in pregnant rats. Two sizes of AgNP, 20 and 110 nm, and silver acetate (AgAc) were used to investigate the role of AgNP diameter and particle dissolution in tissue distribution, internal dose and persistence. Dams were administered AgNP or AgAc intravenously (i.v.) (1 mg kg(-1) ) or by gavage (p...
October 3, 2016: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/27692817/an-overview-of-renal-metabolomics
#16
Sahir Kalim, Eugene P Rhee
The high-throughput, high-resolution phenotyping enabled by metabolomics has been applied increasingly to a variety of questions in nephrology research. This article provides an overview of current metabolomics methodologies and nomenclature, citing specific considerations in sample preparation, metabolite measurement, and data analysis that investigators should understand when examining the literature or designing a study. Furthermore, we review several notable findings that have emerged in the literature that both highlight some of the limitations of current profiling approaches, as well as outline specific strengths unique to metabolomics...
September 28, 2016: Kidney International
https://www.readbyqxmd.com/read/27672338/the-potential-use-of-biomarkers-in-predicting-contrast-induced-acute-kidney-injury
#17
REVIEW
Michele Andreucci, Teresa Faga, Eleonora Riccio, Massimo Sabbatini, Antonio Pisani, Ashour Michael
Contrast-induced acute kidney injury (CI-AKI) is a problem associated with the use of iodinated contrast media, causing kidney dysfunction in patients with preexisting renal failure. It accounts for 12% of all hospital-acquired kidney failure and increases the length of hospitalization, a situation that is worsening with increasing numbers of patients with comorbidities, including those requiring cardiovascular interventional procedures. So far, its diagnosis has relied upon the rise in creatinine levels, which is a late marker of kidney damage and is believed to be inadequate...
2016: International Journal of Nephrology and Renovascular Disease
https://www.readbyqxmd.com/read/27642271/metabolomics-enables-precision-medicine-a-white-paper-community-perspective
#18
Richard D Beger, Warwick Dunn, Michael A Schmidt, Steven S Gross, Jennifer A Kirwan, Marta Cascante, Lorraine Brennan, David S Wishart, Matej Oresic, Thomas Hankemeier, David I Broadhurst, Andrew N Lane, Karsten Suhre, Gabi Kastenmüller, Susan J Sumner, Ines Thiele, Oliver Fiehn, Rima Kaddurah-Daouk
INTRODUCTION BACKGROUND TO METABOLOMICS: Metabolomics is the comprehensive study of the metabolome, the repertoire of biochemicals (or small molecules) present in cells, tissues, and body fluids. The study of metabolism at the global or "-omics" level is a rapidly growing field that has the potential to have a profound impact upon medical practice. At the center of metabolomics, is the concept that a person's metabolic state provides a close representation of that individual's overall health status...
2016: Metabolomics: Official Journal of the Metabolomic Society
https://www.readbyqxmd.com/read/27625997/gut-microbiota-a-contributing-factor-to-obesity
#19
REVIEW
Steve M Harakeh, Imran Khan, Taha Kumosani, Elie Barbour, Saad B Almasaudi, Suhad M Bahijri, Sulaiman M Alfadul, Ghada M A Ajabnoor, Esam I Azhar
Obesity, a global epidemic of the modern era, is a risk factor for cardiovascular diseases (CVD) and diabetes. The pervasiveness of obesity and overweight in both developed as well as developing populations is on the rise and placing a huge burden on health and economic resources. Consequently, research to control this emerging epidemic is of utmost importance. Recently, host interactions with their resident gut microbiota (GM) have been reported to be involved in the pathogenesis of many metabolic diseases, including obesity, diabetes, and CVD...
2016: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/27598147/advances-in-integrating-traditional-and-omic-biomarkers-when-analyzing-the-effects-of-the-mediterranean-diet-intervention-in-cardiovascular-prevention
#20
REVIEW
Montserrat Fitó, Olle Melander, José Alfredo Martínez, Estefanía Toledo, Christian Carpéné, Dolores Corella
Intervention with Mediterranean diet (MedDiet) has provided a high level of evidence in primary prevention of cardiovascular events. Besides enhancing protection from classical risk factors, an improvement has also been described in a number of non-classical ones. Benefits have been reported on biomarkers of oxidation, inflammation, cellular adhesion, adipokine production, and pro-thrombotic state. Although the benefits of the MedDiet have been attributed to its richness in antioxidants, the mechanisms by which it exercises its beneficial effects are not well known...
2016: International Journal of Molecular Sciences
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