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Apolipoprotein B

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https://www.readbyqxmd.com/read/29149056/characterization-of-ovine-a3z1-restriction-properties-against-small-ruminant-lentiviruses-srlvs
#1
Lorena de Pablo-Maiso, Idoia Glaria, Helena Crespo, Estanislao Nistal-Villán, Valgerdur Andrésdóttir, Damián de Andrés, Beatriz Amorena, Ramsés Reina
Intrinsic factors of the innate immune system include the apolipoprotein B editing enzyme catalytic polypeptide-like 3 (APOBEC3) protein family. APOBEC3 inhibits replication of different virus families by cytosine deamination of viral DNA and a not fully characterized cytosine deamination-independent mechanism. Sheep are susceptible to small ruminant lentivirus (SRLVs) infection and contain three APOBEC3 genes encoding four proteins (A3Z1, Z2, Z3 and Z2-Z3) with yet not deeply described antiviral properties...
November 17, 2017: Viruses
https://www.readbyqxmd.com/read/29146748/stable-isotope-kinetic-study-of-apom-apolipoprotein-m
#2
Mikaël Croyal, Stéphanie Billon-Crossouard, Sophie Goulitquer, Audrey Aguesse, Luis León, Fanta Fall, Maud Chétiveaux, Thomas Moyon, Valentin Blanchard, Khadija Ouguerram, Gilles Lambert, Estelle Nobécourt, Michel Krempf
OBJECTIVE: ApoM (apolipoprotein M) binds primarily to high-density lipoprotein before to be exchanged with apoB (apolipoprotein B)-containing lipoproteins. Low-density lipoprotein (LDL) receptor-mediated clearance of apoB-containing particles could influence plasma apoM kinetics and decrease its antiatherogenic properties. In humans, we aimed to describe the interaction of apoM kinetics with other components of lipid metabolism to better define its potential benefit on atherosclerosis...
November 16, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/29146227/bariatric-surgery-improves-lipoprotein-profile-in-morbidly-obese-patients-by-reducing-ldl-cholesterol-apob-and-saa-pon1-ratio-increasing-hdl-cholesterol-but-has-no-effect-on-cholesterol-efflux-capacity
#3
Christian Abendstein Kjellmo, Helen Karlsson, Torunn K Nestvold, Stefan Ljunggren, Karin Cederbrant, Maritha Marcusson-Ståhl, Monica Mathisen, Knut Tore Lappegård, Anders Hovland
BACKGROUND: Bariatric surgery has been shown to reduce cardiovascular events and cause-specific mortality for coronary artery disease in obese patients. Lipoprotein biomarkers relating to low-density lipoprotein (LDL), high-density lipoprotein (HDL), their subfractions, and macrophage cholesterol efflux have all been hypothesized to be of value in cardiovascular risk assessment. OBJECTIVES: The objective of this study was to examine the effect of a lifestyle intervention followed by bariatric surgery on the lipid profile of morbidly obese patients...
November 8, 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/29145892/association-between-plasma-phospholipid-saturated-fatty-acids-and-metabolic-markers-of-lipid-hepatic-inflammation-and-glycaemic-pathways-in-eight-european-countries-a-cross-sectional-analysis-in-the-epic-interact-study
#4
Ju-Sheng Zheng, Stephen J Sharp, Fumiaki Imamura, Albert Koulman, Matthias B Schulze, Zheng Ye, Jules Griffin, Marcela Guevara, José María Huerta, Janine Kröger, Ivonne Sluijs, Antonio Agudo, Aurelio Barricarte, Heiner Boeing, Sandra Colorado-Yohar, Courtney Dow, Miren Dorronsoro, Pia T Dinesen, Guy Fagherazzi, Paul W Franks, Edith J M Feskens, Tilman Kühn, Verena Andrea Katzke, Timothy J Key, Kay-Tee Khaw, Maria Santucci de Magistris, Francesca Romana Mancini, Elena Molina-Portillo, Peter M Nilsson, Anja Olsen, Kim Overvad, Domenico Palli, Jose Ramón Quirós, Olov Rolandsson, Fulvio Ricceri, Annemieke M W Spijkerman, Nadia Slimani, Giovanna Tagliabue, Anne Tjonneland, Rosario Tumino, Yvonne T van der Schouw, Claudia Langenberg, Elio Riboli, Nita G Forouhi, Nicholas J Wareham
BACKGROUND: Accumulating evidence suggests that individual circulating saturated fatty acids (SFAs) are heterogeneous in their associations with cardio-metabolic diseases, but evidence about associations of SFAs with metabolic markers of different pathogenic pathways is limited. We aimed to examine the associations between plasma phospholipid SFAs and the metabolic markers of lipid, hepatic, glycaemic and inflammation pathways. METHODS: We measured nine individual plasma phospholipid SFAs and derived three SFA groups (odd-chain: C15:0 + C17:0, even-chain: C14:0 + C16:0 + C18:0, and very-long-chain: C20:0 + C22:0 + C23:0 + C24:0) in individuals from the subcohort of the European Prospective Investigation into Cancer and Nutrition (EPIC)-InterAct case-cohort study across eight European countries...
November 17, 2017: BMC Medicine
https://www.readbyqxmd.com/read/29135318/the-effect-and-safety-of-anacetrapib-in-the-treatment-of-dyslipidemia-a-systematic-review-and-meta-analysis
#5
Junteng Zhou, Qi Zhang, Yushu Wang, Peijuan Gao, Decai Chen
BACKGROUND: Cardiovascular disease (CVD) is the major cause of morbidity and mortality worldwide. Anacetrapib may be a new treatment option that has a cardiovascular benefit for the management of dyslipidemia. OBJECTIVE: The aim of our current study was to perform a systematic review and meta-analysis of all randomized controlled trials (RCTs) assessing the effect and safety of anacetrapib in the treatment of dyslipidemia. METHODS: We systematically searched PubMed, Embase, and Cochrane Library database from their inception to 5 October 2017, with the terms: 'anacetrapib' and 'placebo'...
November 14, 2017: Postgraduate Medicine
https://www.readbyqxmd.com/read/29132372/hepatitis-b-virus-inhibits-the-in-vivo-and-in-vitro-synthesis-and-secretion-of-apolipoprotein-c3
#6
Chengliang Zhu, Hengcheng Zhu, Hui Song, Limin Xu, Longxuan Li, Fang Liu, Xinghui Liu
BACKGROUND: Hepatitis B virus (HBV) infection in the body can damage liver cells and cause disorders in blood lipid metabolism. Apolipoprotein C3 (ApoC3) plays an important role in the regulation of lipid metabolism, but no study on the HBV regulation of ApoC3 has been reported. This purpose of this study was to investigate the effect of HBV on ApoC3 expression and its regulatory mechanism. METHODS: The expression levels of ApoC3 mRNA and protein in the human hepatoma cell lines HepG2 and HepG2...
November 13, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/29131142/a-consensus-model-of-human-apolipoprotein-a-i-in-its-monomeric-and-lipid-free-state
#7
John T Melchior, Ryan G Walker, Allison L Cooke, Jamie Morris, Mark Castleberry, Thomas B Thompson, Martin K Jones, Hyun D Song, Kerry-Anne Rye, Michael N Oda, Mary G Sorci-Thomas, Michael J Thomas, Jay W Heinecke, Xiaohu Mei, David Atkinson, Jere P Segrest, Sissel Lund-Katz, Michael C Phillips, W Sean Davidson
Apolipoprotein (apo)A-I is an organizing scaffold protein that is critical to high-density lipoprotein (HDL) structure and metabolism, probably mediating many of its cardioprotective properties. However, HDL biogenesis is poorly understood, as lipid-free apoA-I has been notoriously resistant to high-resolution structural study. Published models from low-resolution techniques share certain features but vary considerably in shape and secondary structure. To tackle this central issue in lipoprotein biology, we assembled a team of structural biologists specializing in apolipoproteins and set out to build a consensus model of monomeric lipid-free human apoA-I...
November 13, 2017: Nature Structural & Molecular Biology
https://www.readbyqxmd.com/read/29128356/secreted-glycoprotein-bmapod1-plays-a-critical-role-in-anti-oxidation-and-anti-apoptosis-in-bombyx-mori
#8
Yanyan Zhou, Li Wang, Rongqiao Li, Minmin Liu, Xiaotong Li, Hang Su, Yusong Xu, Huabing Wang
Recent studies highlighted that apolipoprotein D (ApoD) and its homologs exert neuroprotective and antioxidant functions in mammals and Drosophila. Unlike mammals and Drosophila, lepidopteran insects possess three distinct ApoD homologs. However, few information on their functions in lepidopteran insects are available. In this study, we investigated the protective potential of a novel ApoD homolog, BmApoD1, in Bombyx mori. Quantitative PCR analyses demonstrated that BmApoD1 is extensively expressed at low levels during the larval stage but abundantly expressed in the testis during the pupal and adult stages...
November 8, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29127648/serum-apolipoprotein-b-is-inversely-associated-with-eccentric-left-ventricular-hypertrophy-in-peritoneal-dialysis-patients
#9
Min Ye, Yanqiu Liu, Haoyu Wang, Na Tian, Wei Li, Wei He, Hong Lin, Rui Fan, Cuiling Li, Donghong Liu, Fengjuan Yao
OBJECTIVES: The study aimed to examine the relationship of serum apolipoprotein B level with left ventricular (LV) structural and functional characteristics, in particular, LV remodeling parameters in peritoneal dialysis (PD) patients. METHODS: A total of 182 patients with end-stage renal disease (ESRD) receiving PD were identified. Conventional echocardiography was performed for each patient, and echocardiographic characteristics were analyzed according to apo B quartile groups...
November 10, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29127338/identification-and-in-vitro-characterization-of-two-new-pcsk9-gain-of-function-variants-found-in-patients-with-familial-hypercholesterolemia
#10
Maria Donata Di Taranto, Asier Benito-Vicente, Carola Giacobbe, Kepa Belloso Uribe, Paolo Rubba, Aitor Etxebarria, Ornella Guardamagna, Marco Gentile, Cesar Martín, Giuliana Fortunato
Familial hypercholesterolemia (FH) is an autosomal dominant disease caused by pathogenic variants in genes encoding for LDL receptor (LDLR), Apolipoprotein B and Proprotein convertase subtilisin/kexin type 9 (PCSK9). Among PCSK9 variants, only Gain-of- Function (GOF) variants lead to FH. Greater attention should be paid to the classification of variants as pathogenic. Two hundred sixty nine patients with a clinical suspect of FH were screened for variants in LDLR and the patients without pathogenic variants were screened for variants in PCSK9 and APOB...
November 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29127187/apobec2-deficiency-causes-mitochondrial-defects-and-mitophagy-in-skeletal-muscle
#11
Yusuke Sato, Hideaki Ohtsubo, Naohiro Nihei, Takane Kaneko, Yoriko Sato, Shin-Ichi Adachi, Shinji Kondo, Mako Nakamura, Wataru Mizunoya, Hiroshi Iida, Ryuichi Tatsumi, Cristina Rada, Fumiaki Yoshizawa
Apobec2 is a member of the activation-induced deaminase/apolipoprotein B mRNA editing enzyme catalytic polypeptide cytidine deaminase family expressed in differentiated skeletal and cardiac muscle. We previously reported that Apobec2 deficiency in mice leads to a shift in muscle fiber type, myopathy, and diminished muscle mass. However, the mechanisms of myopathy caused by Apobec2 deficiency and its physiologic functions are unclear. Here we show that, although Apobec2 localizes to the sarcomeric Z-lines in mouse tissue and cultured myotubes, the sarcomeric structure is not affected in Apobec2-deficient muscle...
November 10, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29126401/dyslipidaemia-for-patients-with-low-energy-femoral-neck-fractures-after-the-treatment-of-cancellous-screws-a-retrospective-study-with-a-3-year-minimum-follow-up
#12
Chi Zhang, Xiaoxiao Zhu, Genwang Pei, Ping Xu, Xianshang Zeng, Lili Zhang, Nan Zhang, Dan Zeng, Lei Cao, Weiguang Yu, Xinchao Zhang
BACKGROUND: Avascular necrosis of the femoral head (AVNFH) occurs infrequently following femoral neck fracture. The association between AVNFH and dyslipidaemia remains controversial. Although major risk factors for AVNFH have been proposed, most of them remain under discussion. Our purpose herein was to evaluate the association between dyslipidaemia and AVNFH following low-energy femoral neck fractures treated with cancellous screws in elderly patients in our tertiary care centre. METHODS: Four hundred and seventy-two consecutive patients (472 hips) with low-energy femoral neck fractures were identified and treated with cancellous screws from July 2007 to April 2013...
November 10, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29122443/identification-of-serum-metabolites-associated-with-obesity-and-traditional-risk-factors-for-metabolic-disease-in-chinese-adults
#13
S M Wang, R Y Yang, M Wang, F S Ji, H X Li, Y M Tang, W X Chen, J Dong
BACKGROUND AND AIMS: Obesity is a major worldwide health problem and is often associated with many metabolic diseases. Levels of several serum-specific metabolites may be altered in patients with these metabolic diseases. We aimed to investigate the associations of serum metabolite levels with obesity and traditional risk factors for metabolic disease in Chinese individuals. METHODS AND RESULTS: Six-hundred Chinese individuals undergoing annual physical exams were recruited and categorized into overweight/obese and control groups (1:1 ratio)...
October 3, 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/29118949/cardiovascular-disease-events-and-its-predictors-in-women-isfahan-cohort-study-ics
#14
Masoumeh Sadeghi, Azam Soleimani, Hamidreza Roohafza, Safoura Yazdekhasti, Shahram Oveisgharan, Mohammad Talaei, Nizal Sarrafzadegan
Introduction: As a lack of validated data about cardiovascular (CV) events and its risk factors (RFs) in women of Eastern Mediterranean region, we aimed to evaluate common predictors of CV events among Iranian women. Methods: Isfahan cohort study (ICS) is a prospective cohort that followed 6323 residents (51.3% women, aged 35-75 years) from three counties and their rural districts in central Iran. Common cardiovascular disease (CVD) RFs namely hypertension (HTN), diabetes mellitus, dyslipidemia, abdominal obesity, smoking, low apolipoproteins A ( apo-A) and high apolipoprotein B (apo-B) were evaluated...
2017: Journal of Cardiovascular and Thoracic Research
https://www.readbyqxmd.com/read/29118354/apolipoprotein-m-mediates-sphingosine-1-phosphate-efflux-from-erythrocytes
#15
Pernille M Christensen, Markus H Bosteen, Stefan Hajny, Lars B Nielsen, Christina Christoffersen
Sphingosine-1-phosphate (S1P) is a bioactive lipid implicated in e.g. angiogenesis, lymphocyte trafficking, and endothelial barrier function. Erythrocytes are a main source of plasma S1P together with platelets and endothelial cells. Apolipoprotein M (apoM) in HDL carries 70% of plasma S1P, whereas 30% is carried by albumin. The current aim was to investigate the role of apoM in export of S1P from human erythrocytes. Erythrocytes exported S1P more efficiently to HDL than to albumin, particularly when apoM was present in HDL...
November 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29113983/fgf23-concentration-and-apol1-genotype-are-novel-predictors-of-mortality-in-african-americans-with-type-2-diabetes
#16
Gary C Chan, Jasmin Divers, Gregory B Russell, Carl D Langefeld, Lynne E Wagenknecht, Fang-Chi Hsu, Jianzhao Xu, S Carrie Smith, Nicholette D Palmer, Pamela J Hicks, Donald W Bowden, Thomas C Register, Lijun Ma, J Jeffrey Carr, Barry I Freedman
OBJECTIVE: Cardiovascular and renal complications contribute to higher mortality in patients with diabetes. We assessed novel and conventional predictors of mortality in African American-Diabetes Heart Study participants. RESEARCH DESIGN AND METHODS: Associations between mortality and subclinical atherosclerosis, urine albumin-to-creatinine ratio (UACR), estimated glomerular filtration rate (eGFR), plasma fibroblast growth factor 23 (FGF23) concentration, African ancestry proportion, and apolipoprotein L1 genotypes (APOL1) were assessed in 513 African Americans with type 2 diabetes; analyses were performed using Cox proportional hazards models...
November 7, 2017: Diabetes Care
https://www.readbyqxmd.com/read/29111890/polyethylene-glycol-b-poly-lactic-acid-polymersomes-as-vehicles-for-enzyme-replacement-therapy
#17
Jessica M Kelly, Amanda L Gross, Douglas R Martin, Mark E Byrne
AIM: Polymersomes are created to deliver an enzyme-based therapy to the brain in lysosomal storage disease patients. MATERIALS & METHODS: Polymersomes are formed via the injection method using poly(ethylene glycol)-b-poly(lactic acid) (PEGPLA) and bound to apolipoprotein E, to create a brain-targeted delivery vehicle. RESULTS: Polymersomes have a smallest average diameter of 145 ± 21 nm and encapsulate β-galactosidase at 72.0 ± 12...
November 7, 2017: Nanomedicine
https://www.readbyqxmd.com/read/29110762/apol1-nephrotoxicity-what-does-ion-transport-have-to-do-with-it
#18
REVIEW
Opeyemi A Olabisi, John F Heneghan
Apolipoprotein L1 (APOL1) protein is the human serum factor that protect human beings against Trypanosoma brucei brucei, the cause of trypanosomiasis. Subspecies of T b brucei that cause human sleeping sickness-T b gambiense and T b rhodesiense evolved molecular mechanisms that enabled them to evade killing by APOL1. Sequence changes (termed G1 and G2) in the APOL1 gene that restored its ability to kill T b rhodesiense also increase the risk of developing glomerular diseases and accelerate progression to end-stage kidney disease...
November 2017: Seminars in Nephrology
https://www.readbyqxmd.com/read/29110758/apol1-renal-risk-variants-fertile-soil-for-hiv-associated-nephropathy
#19
REVIEW
Jeffrey B Kopp, Jurgen Heymann, Cheryl A Winkler
Apolipoprotein L1 (APOL1) genetic variants are potent risk factors for glomerular disease, but one or more additional factors are required for expression of glomerular disease. Uncontrolled or poorly controlled human immunodeficiency virus (HIV) infection is the most potent susceptibility factor for APOL1 nephropathy that has been identified to date. APOL1 variants are associated with HIV-associated nephropathy (HIVAN), a podocyte disease, but not with HIV-immune complex disease, primarily a disease of the mesangium...
November 2017: Seminars in Nephrology
https://www.readbyqxmd.com/read/29110715/liraglutide-dictates-macrophage-phenotype-in-apolipoprotein-e-null-mice-during-early-atherosclerosis
#20
Robyn Bruen, Sean Curley, Sarina Kajani, Daniel Crean, Marcella E O'Reilly, Margaret B Lucitt, Catherine G Godson, Fiona C McGillicuddy, Orina Belton
BACKGROUND: Macrophages play a pivotal role in atherosclerotic plaque development. Recent evidence has suggested the glucagon-like peptide-1 receptor (GLP-1R) agonist, liraglutide, can attenuate pro-inflammatory responses in macrophages. We hypothesized that liraglutide could limit atherosclerosis progression in vivo via modulation of the inflammatory response. METHODS: Human THP-1 macrophages and bone marrow-derived macrophages, from both wild-type C57BL/6 (WT) and apolipoprotein E null mice (ApoE(-/-)) were used to investigate the effect of liraglutide on the inflammatory response in vitro...
November 6, 2017: Cardiovascular Diabetology
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