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https://www.readbyqxmd.com/read/29772479/adverse-lipid-profile-elevates-risk-for-subarachnoid-hemorrhage-a-prospective-population-based-cohort-study
#1
Joni Lindbohm, Miikka Korja, Pekka Jousilahti, Veikko Salomaa, Jaakko Kaprio
BACKGROUND AND AIMS: Studies report that both high and low total cholesterol (TC) elevates SAH risk. There are few prospective studies on high-density lipoproteins (HDL-C) and low-density lipoproteins (LDL-C), and apparently none concerns apolipoproteins A and B. We aimed to clarify the association between lipid profile and SAH risk. METHODS: The National FINRISK study provided risk-factor data recorded at enrolment between 1972 and 2007. During 1.52 million person-years of follow-up until 2014, 543 individuals suffered from incident hospitalized SAH or outside-hospital-fatal SAH...
May 5, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29769239/hypertriglyceridemia-and-cardiovascular-risk-a-cautionary-note-about-metabolic-confounding
#2
Allan D Sniderman, Patrick Couture, Seth B Martin, Jacqueline DeGraaf, Patrick R Lawler, William C Cromwell, John T Wilkins, George Thanassoulis
Triglycerides are the conventional tool to measure very low-density lipoproteins (VLDL) whereas low-density lipoprotein cholesterol (LDL-C) is the conventional tool to measure low-density lipoproteins (LDL). Multiple epidemiological studies, including a series of genetically based analyses, have demonstrated cardiovascular risk is related to triglycerides independently of LDL-C and this has led to a series of new therapeutic agents designed specifically to reduce plasma triglycerides. The triglyceride hypothesis posits that increased levels of triglycerides increase cardiovascular risk and decreasing plasma triglycerides decreases cardiovascular risk...
May 16, 2018: Journal of Lipid Research
https://www.readbyqxmd.com/read/29764762/analysis-of-plasma-albumin-vitamin-d-and-apolipoproteins-a-and-b-as-predictive-coronary-risk-biomarkers-in-the-regicor-study
#3
Gabriel Vázquez-Oliva, Alberto Zamora, Rafel Ramos, Isaac Subirana, María Grau, Irene R Dégano, Daniel Muñoz, Montserrat Fitó, Roberto Elosua, Jaume Marrugat
INTRODUCTION AND OBJECTIVES: New biomarkers could improve the predictive capacity of classic risk functions. The aims of this study were to determine the association between circulating levels of apolipoprotein A1 (apoA1), apolipoprotein B (apoB), albumin, and 25-OH-vitamin D and coronary events and to analyze whether these biomarkers improve the predictive capacity of the Framingham-REGICOR risk function. METHODS: A case-cohort study was designed. From an initial cohort of 5404 individuals aged 35 to 74 years with a 5-year follow-up, all the participants who had a coronary event (n = 117) and a random group of the cohort (subcohort; n = 667) were selected...
May 12, 2018: Revista Española de Cardiología
https://www.readbyqxmd.com/read/29760220/quantifying-atherogenic-lipoproteins-current-and-future-challenges-in-the-era-of-personalized-medicine-and-vldl-cholesterol-a-consensus-statement-from-eas-and-eflm
#4
Michel R Langlois, M John Chapman, Christa Cobbaert, Samia Mora, Alan T Remaley, Emilio Ros, Gerald F Watts, Jan Borén, Hannsjörg Baum, Eric Bruckert, Alberico Catapano, Olivier S Descamps, Arnold von Eckardstein, Pia R Kamstrup, Genovefa Kolovou, Florian Kronenberg, Anne Langsted, Kari Pulkki, Nader Rifai, Grazyna Sypniewska, Olov Wiklund, B Rge G Nordestgaard
BACKGROUND: The European Atherosclerosis Society-European Federation of Clinical Chemistry and Laboratory Medicine Consensus Panel aims to provide recommendations to optimize atherogenic lipoprotein quantification for cardiovascular risk management. CONTENT: We critically examined LDL cholesterol, non-HDL cholesterol, apolipoprotein B (apoB), and LDL particle number assays based on key criteria for medical application of biomarkers. ( a ) Analytical performance: Discordant LDL cholesterol quantification occurs when LDL cholesterol is measured or calculated with different assays, especially in patients with hypertriglyceridemia >175 mg/dL (2 mmol/L) and low LDL cholesterol concentrations <70 mg/dL (1...
May 14, 2018: Clinical Chemistry
https://www.readbyqxmd.com/read/29751582/whole-exome-sequencing-identifies-new-host-genomic-susceptibility-factors-in-empyema-caused-by-streptococcus-pneumoniae-in-children-a-pilot-study
#5
Antonio Salas, Jacobo Pardo-Seco, Ruth Barral-Arca, Miriam Cebey-López, Alberto Gómez-Carballa, Irene Rivero-Calle, Sara Pischedda, María-José Currás-Tuala, Jorge Amigo, José Gómez-Rial, Federico Martinón-Torres
Pneumonia is the leading cause of death amongst infectious diseases. Streptococcus pneumoniae is responsible for about 25% of pneumonia cases worldwide, and it is a major cause of childhood mortality. We carried out a whole exome sequencing (WES) study in eight patients with complicated cases of pneumococcal pneumonia (empyema). An initial assessment of statistical association of WES variation with pneumonia was carried out using data from the 1000 Genomes Project (1000G) for the Iberian Peninsula (IBS) as reference controls...
May 3, 2018: Genes
https://www.readbyqxmd.com/read/29748187/complete-and-partial-lcat-deficiency-are-differentially-associated-with-atherosclerosis
#6
Federico Oldoni, Damiano Baldassarre, Samuala Castelnuovo, Alice Ossoli, Mauro Amato, Julian van Capelleveen, G Kees Hovingh, Eric de Groot, Andrea Bochem, Sara Simonelli, Simone Barbieri, Fabrizio Veglia, Guido Franceschini, Jan Albert Kuivenhoven, Adriaan G Holleboom, Laura Calabresi
Background -Lecithin:cholesterol acyltransferase (LCAT) is the sole enzyme that esterifies cholesterol in plasma. Its role in the supposed protection from atherogenesis remains unclear since mutations in LCAT causing Fish-Eye Disease (FED) or Familial LCAT Deficiency (FLD) have been reported to be associated with more or instead less carotid atherosclerosis, respectively. This discrepancy may be associated with the loss of cholesterol esterification on only apolipoprotein (apo) A-I (FED) or on both apoA-I and apoB-containing lipoproteins (FLD), an aspect that has thus far not been investigated...
May 10, 2018: Circulation
https://www.readbyqxmd.com/read/29747660/association-of-the-apoa1-rs964184-snp-and-serum-lipid-traits-in-the-chinese-maonan-and-han-populations
#7
Ling Qiu, Rui-Xing Yin, Eksavang Khounphinith, Fen-Han Zhang, De-Zhai Yang, Shang-Ling Pan
BACKGROUND: Maonan nationality belongs to a mountain ethnic minority in China. Little is known about the association of apolipoprotein A1 gene (APOA1) rs964184 single nucleotide polymorphism (SNP) and serum lipid levels in this population. The aim of this study was to detect the association of the APOA1 rs964184 SNP and several environmental factors with serum lipid profiles in the Chinese Maonan and Han populations. METHODS: Genotypes of the APOA1 rs964184 SNP in 867 individuals of Maonan nationality and 820 participants of Han nationality were determined by polymerase chain reaction and restriction fragment length polymorphism, combined with gel electrophoresis, and confirmed by direct sequencing...
May 10, 2018: Lipids in Health and Disease
https://www.readbyqxmd.com/read/29747087/hdl-cholesterol-efflux-capacity-and-cholesteryl-ester-transfer-are-associated-with-body-mass-but-are-not-changed-by-diet-induced-weight-loss-a-randomized-trial-in-abdominally-obese-men
#8
Charlotte P J Talbot, Jogchum Plat, Peter J Joris, Maurice Konings, Yvo H A M Kusters, Casper G Schalkwijk, Andreas Ritsch, Ronald P Mensink
BACKGROUND AND AIMS: Obesity is associated with a lower HDL-mediated cholesterol efflux from macrophages and a higher CETP (cholesteryl ester transfer protein) activity, but effects of weight loss are not clear. In addition, associations with visceral and subcutaneous adipose tissue are not known. We therefore investigated effects of diet-induced weight loss on HDL-mediated cholesterol efflux and cholesterol ester (CE) transfer in abdominally obese men. Differences between normal-weight and abdominally obese men were also examined...
April 28, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29740314/effect-of-toxicants-on-fatty-acid-metabolism-in-hepg2-cells
#9
David Grünig, Urs Duthaler, Stephan Krähenbühl
Impairment of hepatic fatty acid metabolism can lead to liver steatosis and injury. Testing drugs for interference with hepatic fatty acid metabolism is therefore important. To find out whether HepG2 cells are suitable for this purpose, we investigated the effect of three established fatty acid metabolism inhibitors and of three test compounds on triglyceride accumulation, palmitate metabolism, the acylcarnitine pool and dicarboxylic acid accumulation in the cell supernatant and on ApoB-100 excretion in HepG2 cells...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29735484/effect-of-an-sirna-therapeutic-targeting-pcsk9-on-atherogenic-lipoproteins-pre-specified-secondary-end-points-in-orion-1
#10
Kausik K Ray, Robert M Stoekenbroek, David Kallend, Lawrence A Leiter, Ulf Landmesser, R Scott Wright, Peter Wijngaard, John J Kastelein
Background -The ORION-1 trial demonstrated that inclisiran, a small interfering RNA (siRNA) therapeutic that targets PCSK9 mRNA within hepatocytes, produces significant LDL-C reduction. The effects of inclisiran on other lipids are less well described. Methods -ORION-1 was a phase 2 trial assessing 6 different inclisiran dosing regimens vs placebo. Participants with elevated LDL-C despite receiving maximally tolerated statin therapy received a single- (200, 300 or 500mg) or two-dose starting regimen (100, 200 or 300mg on days 1 and 90) of inclisiran or placebo...
May 7, 2018: Circulation
https://www.readbyqxmd.com/read/29731826/expression-and-influence-of-pentraxin-3-hbalc-and-apoa1-apob-in-serum-of-patients-with-acute-myocardial-infarction-combined-with-diabetes-mellitus-type-2
#11
Yanxia Zhu, Xiaofang Wang, Weihua Wang, Hongguang Wang, Fenglei Zhang
The present study investigated the clinical significance of changes in levels of hypersensitive plasma pentraxin-3 (PTX3), hemoglobin A1c (HbAlc) and apolipoprotein A-I (ApoA1)/apolipoprotein B (ApoB) on patients with acute myocardial infarction (AMI) and diabetes mellitus type 2 (T2DM). After admission, 100 patients diagnosed with AMI combined with T2DM were selected as Group A. According to the level of fasting blood glucose (FBG), they were then subdivided into Group A1 (n=44) with FBG ≥13.0 mmol/l and Group A2 (n=56) with FBG <13...
May 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29730953/low-density-lipoprotein-associated-variables-and-the-severity-of-coronary-artery-disease-an-untreated-chinese-cohort-study
#12
Xi Zhao, Di Sun, Rui-Xia Xu, Yuan-Lin Guo, Cheng-Gang Zhu, Na-Qiong Wu, Yan Zhang, Sha Li, Ying Gao, Geng Liu, Qian Dong, Jian-Jun Li
BACKGROUND AND AIMS: Elevated low-density lipoprotein cholesterol (LDL-C) is causal risk for coronary artery disease (CAD) and LDL-associated variables including LDL-C, apolipoprotein B (apoB), non-high-density lipoprotein cholesterol (non-HDL-C), lipoprotein a [Lp(a)], small dense LDL (sd-LDL) and oxidized LDL (ox-LDL) have been widely used for predicting the risk of CAD. The present study was aimed to compare the values of six LDL-related variables for predicting the severity of CAD using untreated patients undergoing coronary angiography (CAG)...
May 7, 2018: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/29725824/a-low-fat-spread-with-added-plant-sterols-and-fish-omega-3-fatty-acids-lowers-serum-triglyceride-and-ldl-cholesterol-concentrations-in-individuals-with-modest-hypercholesterolaemia-and-hypertriglyceridaemia
#13
Wendy A M Blom, Wieneke P Koppenol, Harry Hiemstra, Tatjana Stojakovic, Hubert Scharnagl, Elke A Trautwein
PURPOSE: The primary and secondary objectives were to investigate the triglyceride (TG) and LDL-cholesterol (LDL-C) lowering effects of a spread with added plant sterols (PS) and fish oil as compared to a placebo spread. METHODS: This study had a randomized, double-blind, placebo-controlled, parallel group design with two intervention arms. Following a 2-week placebo run-in period, 260 healthy individuals with modestly elevated blood TG (≥ 1.4 mmol/L) and LDL-C (≥ 3...
May 3, 2018: European Journal of Nutrition
https://www.readbyqxmd.com/read/29724769/pcsk9-inhibition-with-alirocumab-reduces-lipoprotein-a-levels-in-non-human-primates-by-lowering-apolipoprotein-a-production-rate
#14
Mikaël Croyal, Thi-Tu-Trang Tran, Rose Hélène Blanchard, Jean-Christophe Lebail, Elise F Villard, Bruno Poirier, Audrey Aguesse, Stéphanie Billon-Crossouard, Stéphane Ramin-Mangata, Valentin Blanchard, Brice Nativel, Kévin Chemello, Ilya Khantalin, Aurélie Thedrez, Philip Janiak, Michel Krempf, Christophe Boixel, Gilles Lambert, Etienne Guillot
Therapeutic antibodies targeting PCSK9 (e.g. alirocumab) lower low-density lipoprotein cholesterol (LDL-C) and lipoprotein (a) [Lp(a)] levels in clinical trials. We recently showed that PCSK9 enhances apolipoprotein(a) [apo(a)] secretion from primary human hepatocytes but does not affect Lp(a) cellular uptake. Here we aimed to determine how PCSK9 neutralization modulates Lp(a) levels in vivo. Six non-human primates (NHP) were treated with alirocumab or a control antibody (IgG1) in a crossover protocol. After the lowering of lipids reached steady state, NHP received an intravenous injection of [2H3]-leucine, and blood samples were collected sequentially over 48 hours...
May 3, 2018: Clinical Science (1979-)
https://www.readbyqxmd.com/read/29720182/spectrum-of-low-density-lipoprotein-receptor-ldlr-mutations-in-a-cohort-of-sri-lankan-patients-with-familial-hypercholesterolemia-a-preliminary-report
#15
C S Paththinige, J R D K Rajapakse, G R Constantine, K P Sem, R R Singaraja, R W Jayasekara, V H W Dissanayake
BACKGROUND: Hypercholesterolemia is a major determinant of cardiovascular disease-associated morbidity and mortality. Mutations in the LDL-receptor (LDLR) gene are implicated in the majority of the cases with familial hypercholesterolemia (FH). However, the spectrum of mutations in the LDLR gene in Sri Lankan patients has not been investigated. The objective of this study was to report the frequency and spectrum of variants in LDLR in a cohort of Sri Lankan patients with FH. METHODS: A series of consecutive patients with FH, diagnosed according to Modified Simon Broome criteria or Dutch Lipid Clinic Network criteria at the University Medical Unit, Colombo, were recruited...
May 2, 2018: Lipids in Health and Disease
https://www.readbyqxmd.com/read/29713185/preoperative-apolipoprotein-b-apolipoprotein-a1-ratio-a-novel-prognostic-factor-for-gastric-cancer
#16
Ming-Zhe Ma, Shu-Qiang Yuan, Yong-Ming Chen, Zhi-Wei Zhou
Background: The correlations between lipid profile (lipid molecules and their derivative indexes) and clinical outcome have been widely testified in many carcinomas, but its prognostic value remains unknown in gastric cancer (GC). Our purpose in the study was to comprehensively evaluate the clinical significance of lipid profile in GC. Methods: We retrospectively collected clinical information of 1,201 GC patients who received surgery at Sun Yat-sen University Cancer Center from 2005 to 2010...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29712560/cardiovascular-disease-risk-factor-responses-to-a-type-2-diabetes-care-model-including-nutritional-ketosis-induced-by-sustained-carbohydrate-restriction-at-1-year-an-open-label-non-randomized-controlled-study
#17
Nasir H Bhanpuri, Sarah J Hallberg, Paul T Williams, Amy L McKenzie, Kevin D Ballard, Wayne W Campbell, James P McCarter, Stephen D Phinney, Jeff S Volek
BACKGROUND: Cardiovascular disease (CVD) is a leading cause of death among adults with type 2 diabetes mellitus (T2D). We recently reported that glycemic control in patients with T2D can be significantly improved through a continuous care intervention (CCI) including nutritional ketosis. The purpose of this study was to examine CVD risk factors in this cohort. METHODS: We investigated CVD risk factors in patients with T2D who participated in a 1 year open label, non-randomized, controlled study...
May 1, 2018: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/29703634/human-mast-cell-neutral-proteases-generate-modified-ldl-particles-with-increased-proteoglycan-binding
#18
Katariina Maaninka, Su Duy Nguyen, Mikko I Mäyränpää, Riia Plihtari, Kristiina Rajamäki, Perttu J Lindsberg, Petri T Kovanen, Katariina Öörni
BACKGROUND AND AIMS: Subendothelial interaction of LDL with extracellular matrix drives atherogenesis. This interaction can be strengthened by proteolytic modification of LDL. Mast cells (MCs) are present in atherosclerotic lesions, and upon activation, they degranulate and release a variety of neutral proteases. Here we studied the ability of MC proteases to cleave apoB-100 of LDL and affect the binding of LDL to proteoglycans. METHODS: Mature human MCs were differentiated from human peripheral blood-derived CD34+ progenitors in vitro and activated with calcium ionophore to generate MC-conditioned medium...
April 13, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29698057/differential-associations-between-plasma-concentrations-of-insulin-and-glucose-and-intestinal-expression-of-key-genes-involved-in-chylomicron-metabolism
#19
Jean-Philippe Drouin-Chartier, Andre J Tremblay, Valéry Lemelin, Benoit Lamarche, Patrick Couture
The mechanisms underlying the oversecretion of apolipoprotein (apo) B-48-containing triglyceride-rich lipoproteins (TRL) in insulin-resistance (IR) states in humans remain to be fully understood. The objective of this study was to evaluate the association between the plasma levels of insulin and glucose and the intestinal expression of key genes involved in chylomicron metabolism in a large sample of nondiabetic men displaying various degrees of IR. Duodenal biopsies were obtained by gastroduodenoscopy in 127 men free of intestinal disease...
April 26, 2018: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/29688308/visit-to-visit-cholesterol-variability-correlates-with-coronary-atheroma-progression-and-clinical-outcomes
#20
Donald Clark, Stephen J Nicholls, Julie St John, Mohamed B Elshazly, Samir R Kapadia, E Murat Tuzcu, Steven E Nissen, Rishi Puri
Aims: Utilizing serial intravascular ultrasonography (IVUS), we aimed to exam the association of intra-individual lipid variability, coronary atheroma progression, and clinical outcomes. Methods and results: We performed a post hoc patient-level analysis of nine clinical trials involving 4976 patients with coronary artery disease who underwent serial coronary IVUS in the setting of a range of medical therapies. We assessed the associations between progression in percent atheroma volume (ΔPAV), clinical outcomes, and visit-to-visit lipid variability including low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), non-HDL-C, total cholesterol (TC)/HDL-C, and apolipoprotein B (ApoB)...
April 21, 2018: European Heart Journal
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