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Apolipoprotein B

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https://www.readbyqxmd.com/read/28323832/age-related-cognitive-decline-and-associations-with-sex-education-and-apolipoprotein-e-genotype-across-ethnocultural-groups-and-geographic-regions-a-collaborative-cohort-study
#1
Darren M Lipnicki, John D Crawford, Rajib Dutta, Anbupalam Thalamuthu, Nicole A Kochan, Gavin Andrews, M Fernanda Lima-Costa, Erico Castro-Costa, Carol Brayne, Fiona E Matthews, Blossom C M Stephan, Richard B Lipton, Mindy J Katz, Karen Ritchie, Jacqueline Scali, Marie-Laure Ancelin, Nikolaos Scarmeas, Mary Yannakoulia, Efthimios Dardiotis, Linda C W Lam, Candy H Y Wong, Ada W T Fung, Antonio Guaita, Roberta Vaccaro, Annalisa Davin, Ki Woong Kim, Ji Won Han, Tae Hui Kim, Kaarin J Anstey, Nicolas Cherbuin, Peter Butterworth, Marcia Scazufca, Shuzo Kumagai, Sanmei Chen, Kenji Narazaki, Tze Pin Ng, Qi Gao, Simone Reppermund, Henry Brodaty, Antonio Lobo, Raúl Lopez-Anton, Javier Santabárbara, Perminder S Sachdev
BACKGROUND: The prevalence of dementia varies around the world, potentially contributed to by international differences in rates of age-related cognitive decline. Our primary goal was to investigate how rates of age-related decline in cognitive test performance varied among international cohort studies of cognitive aging. We also determined the extent to which sex, educational attainment, and apolipoprotein E ε4 allele (APOE*4) carrier status were associated with decline. METHODS AND FINDINGS: We harmonized longitudinal data for 14 cohorts from 12 countries (Australia, Brazil, France, Greece, Hong Kong, Italy, Japan, Singapore, Spain, South Korea, United Kingdom, United States), for a total of 42,170 individuals aged 54-105 y (42% male), including 3...
March 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28319871/autoantibodies-and-immune-complexes-to-oxidation-specific-epitopes-and-progression-of-aortic-stenosis-results-from-the-astronomer-trial
#2
Romain Capoulade, Kwan L Chan, Patrick Mathieu, Yohan Bossé, Jean G Dumesnil, James W Tam, Koon K Teo, Xiaohong Yang, Joseph L Witztum, Benoit J Arsenault, Jean-Pierre Després, Philippe Pibarot, Sotirios Tsimikas
BACKGROUND AND AIMS: Elevated levels of lipoprotein(a) [Lp(a)] and oxidized phospholipids on apolipoprotein B-100 (OxPL-apoB) predict the progression of pre-existing mild-to-moderate calcific aortic valve stenosis (CAVS). Whether indirect markers of oxidation-specific epitopes (OSE) are also predictive is not known. The association between IgG and IgM autoantibodies and malondialdehyde-modified low density lipoprotein (MDA-LDL) and IgG and IgM apolipoprotein B immune complexes (apoB-IC), and the hemodynamic progression rate of CAVS was determined in the ASTRONOMER (Aortic Stenosis Progression Observation: Measuring Effects of Rosuvastatin, NCT00800800) trial...
March 9, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28315462/implications-of-cerebrovascular-atp-binding-cassette-transporter-g1-abcg1-and-apolipoprotein-m-in-cholesterol-transport-at-the-blood-brain-barrier
#3
Alexandra Carmen Kober, Anil Paul Chirackal Manavalan, Carmen Tam-Amersdorfer, Andreas Holmér, Ahmed Saeed, Elham Fanaee Danesh, Martina Zandl, Nicole Maria Albrecher, Ingemar Björkhem, Gerhard M Kostner, Björn Dahlbäck, Ute Panzenboeck
Impaired cholesterol/lipoprotein metabolism is linked to neurodegenerative diseases such as Alzheimer's disease (AD). Cerebral cholesterol homeostasis is maintained by the highly efficient blood-brain barrier (BBB) and flux of the oxysterols 24(S)-hydroxycholesterol and 27-hydroxycholesterol, potent liver-X-receptor (LXR) activators. HDL and their apolipoproteins are crucial for cerebral lipid transfer, and loss of ATP binding cassette transporters (ABC)G1 and G4 results in toxic accumulation of oxysterols in the brain...
March 14, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28304324/assessment-of-serum-apolipoprotien-b-and-apolipoprotein-a-1-and-their-ratio-in-healthy-full-term-small-for-gestational-age-newborns
#4
A Agrawal, J Shrivastava, R Dwivedi, M Siddiqui
BACKGROUND: Programmed changes in growth restricted fetuses can increase the risk of adulthood diseases due to elevated serum cholesterol and apolipoprotein-B (Apo-B) concentrations. Increasing evidence demonstrated the role of apoB/apoA-I ratio as a strong risk factor for cardiovascular diseases. OBJECTIVE: To determine the concentration of cord blood lipoproteins and apolipoproteins as well as their correlation with birth weight. METHODS: This cross-sectional study was conducted in a teaching institution of central India...
March 16, 2017: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/28304227/lipid-reduction-variability-and-antidrug-antibody-formation-with-bococizumab
#5
Paul M Ridker, Jean-Claude Tardif, Pierre Amarenco, William Duggan, Robert J Glynn, J Wouter Jukema, John J P Kastelein, Albert M Kim, Wolfgang Koenig, Steven Nissen, James Revkin, Lynda M Rose, Raul D Santos, Pamela F Schwartz, Charles L Shear, Carla Yunis
Background Bococizumab, a humanized monoclonal antibody targeting proprotein convertase subtilisin-kexin type 9 (PCSK9), reduces levels of low-density lipoprotein (LDL) cholesterol. However, the variability and durability of this effect are uncertain. Methods We conducted six parallel, multinational lipid-lowering trials enrolling 4300 patients with hyperlipidemia who were randomly assigned to receive 150 mg of bococizumab or placebo subcutaneously every 2 weeks and who were followed for up to 12 months; 96% were receiving statin therapy at the time of enrollment...
March 17, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28302625/silencing-of-anticoagulant-protein-c-evokes-low-incident-but-spontaneous-atherothrombosis-in-apolipoprotein-e-deficient-mice
#6
Amber B Ouweneel, Marco Heestermans, Robin A F Verwilligen, Marion J J Gijbels, Pieter H Reitsma, Miranda van Eck, Bart J M van Vlijmen
OBJECTIVE: Murine atherosclerosis models do not spontaneously develop atherothrombotic complications. We investigated whether disruption of natural anticoagulation allows preexisting atherosclerotic plaques to progress toward an atherothrombotic phenotype. APPROACH AND RESULTS: On lowering of plasma protein C levels with small interfering RNA (siProc) in 8-week Western-type diet-fed atherosclerotic apolipoprotein E-deficient mice, one out of 4 mice displayed a large, organized, and fibrin- and leukocyte-rich thrombus on top of an advanced atherosclerotic plaque located in the aortic root...
March 16, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28299190/apolipoprotein-b-containing-lipoproteins-and-atherosclerotic-cardiovascular-disease
#7
REVIEW
Michael D Shapiro, Sergio Fazio
Cholesterol-rich, apolipoprotein B (apoB)-containing lipoproteins are now widely accepted as the most important causal agents of atherosclerotic cardiovascular disease. Multiple unequivocal and orthogonal lines of evidence all converge on low-density lipoprotein and related particles as being the principal actors in the genesis of atherosclerosis. Here, we review the fundamental role of atherogenic apoB-containing lipoproteins in cardiovascular disease and several other humoral and parietal factors that are required to initiate and maintain arterial degeneration...
2017: F1000Research
https://www.readbyqxmd.com/read/28297779/-association-between-serum-apolipoprotein-b-level-and-nonalcoholic-fatty-liver-disease
#8
X Liu, C F Xu, L Xu, M Miao, Q F Cao, C H Yu, Y M Li
No abstract text is available yet for this article.
January 20, 2017: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/28296203/high-throughput-quantification-of-apolipoproteins-a-i-and-b-100-by-isotope-dilution-mass-spectrometry-targeting-fast-trypsin-releasable-peptides-without-reduction-and-alkylation
#9
Bryan A Parks, David M Schieltz, Michael L Andrews, Michael S Gardner, Jon C Rees, Christopher A Toth, Jeffrey I Jones, Lisa G McWilliams, Zsuzsanna Kuklenyik, James L Pirkle, John R Barr
PURPOSE: Apolipoprotein A-I (ApoA-I) and Apolipoprotein B-100 (ApoB-100) are amphipathic proteins that are strong predictors of cardiovascular disease risk. The traceable calibration of apolipoprotein assays is a persistent challenge, especially for ApoB-100, which cannot be solubilized in purified form. EXPERIMENTAL DESIGN: Simultaneous quantitation method for ApoA-I and ApoB-100 was developed using tryptic digestion without pre-digestion reduction and alkylation, followed by liquid chromatography separation coupled with isotope dilution mass spectrometry (IDMS) analysis...
March 10, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28287093/hdl-glycoprotein-composition-and-site-specific-glycosylation-differentiates-between-clinical-groups-and-affects-il-6-secretion-in-lipopolysaccharide-stimulated-monocytes
#10
Sridevi Krishnan, Michiko Shimoda, Romina Sacchi, Muchena J Kailemia, Guillaume Luxardi, George A Kaysen, Atul N Parikh, Viviane N Ngassam, Kirsten Johansen, Glenn M Chertow, Barbara Grimes, Jennifer T Smilowitz, Emanual Maverakis, Carlito B Lebrilla, Angela M Zivkovic
The goal of this pilot study was to determine whether HDL glycoprotein composition affects HDL's immunomodulatory function. HDL were purified from healthy controls (n = 13), subjects with metabolic syndrome (MetS) (n = 13), and diabetic hemodialysis (HD) patients (n = 24). Concentrations of HDL-bound serum amyloid A (SAA), lipopolysaccharide binding protein (LBP), apolipoprotein A-I (ApoA-I), apolipoprotein C-III (ApoC-III), α-1-antitrypsin (A1AT), and α-2-HS-glycoprotein (A2HSG); and the site-specific glycovariations of ApoC-III, A1AT, and A2HSG were measured...
March 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28285655/correlation-of-metabolic-syndrome-severity-with-cardiovascular-health-markers-in-adolescents
#11
Arthur M Lee, Matthew J Gurka, Mark D DeBoer
BACKGROUND AND OBJECTIVES: The presence of metabolic syndrome (MetS) in childhood is a significant risk factor for later cardiovascular disease (CVD). Recent data showed temporal decreases in a sex- and race/ethnicity-specific MetS severity z-score among U.S. adolescents. Our goal was to characterize the relationship of this MetS z-score with other CVD risk indicators and assess their temporal trends and lifestyle influences. METHODS: We analyzed 4837 participants aged 12-20years from the National Health and Nutrition Examination Survey by 2-year waves from 1999 to 2012...
April 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28285172/multifunctional-luv-liposomes-decorated-for-bbb-and-amyloid-targeting-b-in-vivo-brain-targeting-potential-in-wild-type-and-app-ps1-mice
#12
Konstantina Papadia, Anastasios D Giannou, Eleni Markoutsa, Christian Bigot, Greejte Vanhoute, Spyridon Mourtas, Annemie Van der Linded, Georgios T Stathopoulos, Sophia G Antimisiaris
Multifunctional liposomes (mf-LIPs) having a curcumin-lipid ligand (to target amyloids) together with two ligands to target the transferrin, and the low-density apolipoprotein receptor of the blood-brain-barrier (BBB) on their surface, were previously studied (in vitro) as potential theranostic systems for Alzheimer's disease (AD) (Papadia et al., 2017, Eur. J. Pharm. Sciences; 101:140-148). Herein, the targeting potential of mf-LIPs was compared to that of BBB-LIPs (liposomes having only the two BBB-specific ligands) in FVB mice (normal), as well as in double transgenic mice (APP/PS1) and their corresponding littermates (WT), by live-animal (in vivo) and explanted organ (ex vivo) imaging...
March 8, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28284064/aberrant-expression-of-microrna-induced-by-high-fructose-diet-implications-in-the-pathogenesis-of-hyperlipidemia-and-hepatic-insulin-resistance
#13
Neetu Sud, Hanyuan Zhang, Kaichao Pan, Xiao Cheng, Juan Cui, Qiaozhu Su
Fructose is a highly lipogenic sugar that can alter energy metabolism and trigger metabolic disorders. In the current study, microRNAs (miRNAs) altered by a high-fructose diet were comprehensively explored to elucidate their significance in the pathogenesis of chronic metabolic disorders. miRNA expression profiling using small noncoding RNA sequencing revealed that 19 miRNAs were significantly upregulated and 26 were downregulated in the livers of high-fructose-fed mice compared to chow-fed mice. Computational prediction and functional analysis identified 10 miRNAs, miR-19b-3p, miR-101a-3p, miR-30a-5p, miR-223-3p, miR-378a-3p, miR-33-5p, miR-145a-3p, miR-128-3p, miR-125b-5p and miR-582-3p, assembled as a regulatory network to potentially target key genes in lipid and lipoprotein metabolism and insulin signaling at multiple levels...
February 20, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28280493/t-cells-specific-for-a-self-peptide-of-apob-100-exacerbate-aortic-atheroma-in-murine-atherosclerosis
#14
Michael K Shaw, Kevin Y Tse, Xiaoqing Zhao, Kathryn Welch, Daniel T Eitzman, Raghavendar R Thipparthi, Paul C Montgomery, Ryan Thummel, Harley Y Tse
On the basis of mouse I-A(b)-binding motifs, two sequences of the murine apolipoprotein B-100 (mApoB-100), mApoB-1003501-3515 (designated P3) and mApoB-100978-992 (designated P6), were found to be immunogenic. In this report, we show that P6 is also atherogenic. Immunization of Apoe(-/-) mice fed a high-fat diet (HFD) with P6 resulted in enhanced development of aortic atheroma as compared to control mice immunized with an irrelevant peptide MOG35-55 or with complete Freund's adjuvant alone. Adoptive transfer of lymph node cells from P6-immunized donor mice to recipients fed an HFD caused exacerbated aortic atheromas, correlating P6-primed cells with disease development...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28274961/lipid-and-lipoprotein-abnormalities-in-acute-lymphoblastic-leukemia-survivors
#15
Sophia Morel, Jade Leahy, Maryse Fournier, Benoit Lamarche, Carole Garofalo, Guy Grimard, Floriane Poulain, Edgard Delvin, Caroline Laverdière, Maja Krajinovic, Simon Drouin, Daniel Sinnett, Valérie Marcil, Emile Levy
Survivors of acute lymphoblastic leukemia (ALL), the most common cancer in children, are at increased risk of developing late cardiometabolic conditions. However, the mechanisms are not fully understood. The study aimed to characterize plasma lipid profile, Apolipoprotein (Apo) distribution and lipoprotein composition of 80 childhood ALL survivors compared to 22 healthy controls. Our results show that, despite their young age, 50% of the ALL survivors displayed dyslipidemia, characterized by increased plasma TG and LDL-cholesterol, as well as decreased HDL-cholesterol...
March 8, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28274733/apolipoprotein-b-a-possible-new-biomarker-for-anaphylaxis
#16
Maria Eleonore Pettersson, Gerard H Koppelman, Bertine M J Flokstra-de Blok, Cornelia Doriene van Ginkel, Caroline Roozendaal, Anneke C Muller-Kobold, Boudewijn J Kollen, Anthony E J Dubois
No abstract text is available yet for this article.
March 5, 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28274171/differential-representation-of-liver-proteins-in-obese-human-subjects-suggests-novel-biomarkers-and-promising-targets-for-drug-development-in-obesity
#17
Simonetta Caira, Antonio Iannelli, Rosaria Sciarrillo, Gianluca Picariello, Giovanni Renzone, Andrea Scaloni, Pietro Addeo
The proteome of liver biopsies from human obese (O) subjects has been compared to those of nonobese (NO) subjects using two-dimensional gel electrophoresis (2-DE). Differentially represented proteins were identified by matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry (MS)-based peptide mass fingerprinting (PMF) and nanoflow-liquid chromatography coupled to electrospray-tandem mass spectrometry (nLC-ESI-MS/MS). Overall, 61 gene products common to all of the liver biopsies were identified within 65 spots, among which 25 ones were differently represented between O and NO subjects...
December 2017: Journal of Enzyme Inhibition and Medicinal Chemistry
https://www.readbyqxmd.com/read/28274013/comparison-of-cord-blood-lipid-profile-in-preterm-small-for-gestational-age-and-appropriate-for-gestational-age-newborns
#18
Tejasree Katragadda, Rajesh Shimoga Mahabala, Subodh Shetty, Shantharam Baliga
INTRODUCTION: Coronary heart disease is one of the major causes of morbidity and mortality in current era. The roots of this epidemic have been traced to as early as foetal life by foetal origin hypothesis. There are a few studies which have compared the cord blood lipid profile of preterm and term babies and thereby leading a path to primordial prevention of chronic diseases. AIM: To study cord blood lipid profile of preterm appropriate for gestational age and preterm small for gestational age neonates and compare atherogenic index of both groups...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28264492/lifestyle-and-dietary-determinants-of-serum-apolipoprotein-a1-and-apolipoprotein-b-concentrations-cross-sectional-analyses-within-a-swedish-cohort-of-24-984-individuals
#19
Kasper Frondelius, Madelene Borg, Ulrika Ericson, Yan Borné, Olle Melander, Emily Sonestedt
Low serum apolipoprotein (Apo) A1 concentrations and high serum ApoB concentrations may be better markers of the risk of cardiovascular disease than high-density lipoprotein (HDL) and low-density lipoprotein (LDL). However, the associations between modifiable lifestyle factors and Apo concentrations have not been investigated in detail. Therefore, this study investigated the associations between Apo concentrations and education, lifestyle factors and dietary intake (macronutrients and 34 food groups). These cross-sectional associations were examined among 24,984 individuals in a Swedish population-based cohort...
February 28, 2017: Nutrients
https://www.readbyqxmd.com/read/28262755/clinical-characteristics-and-prognosis-of-cerebral-venous-thrombosis-in-chinese-women-during-pregnancy-and-puerperium
#20
Zhu-Wei Liang, Wan-Li Gao, Li-Min Feng
Due to the specific physiology associated with pregnancy and puerperium, cerebral venous sinus thrombosis (CVT) may manifest different characteristics. This study aimed to identify the clinical manifestations and prognosis of pregnancy-associated CVT. A total of 43 pregnancy-associated CVT patients were enrolled. We analysed the clinical presentations of the disease and performed a multivariate logistic regression analysis to determine which variables were associated with prognosis. Our descriptive results showed the following: 1) the incidence was 202 per 100,000 deliveries, and the mortality rate was 11...
March 6, 2017: Scientific Reports
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