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Apolipoprotein A1

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https://www.readbyqxmd.com/read/29151949/cerebrospinal-fluid-proteins-identification-facilitates-the-differential-diagnosis-of-central-nervous-system-diffuse-large-b-cell-lymphoma
#1
Wen Zheng, YuQin Song, Yan Xie, NingJing Lin, MeiFeng Tu, WeiPing Liu, LingYan Ping, ZhiTao Ying, Chen Zhang, LiJuan Deng, XiaoPei Wang, YouYong Lu, Jun Zhu
Background: Diagnosis of central nervous system (CNS) lymphoma remains a challenge. This study aimed to identify cerebrospinal fluid (CSF) proteins that distinguish patients with and without CNS lymphoma. Methods: We used one-dimensional SDS-polyacrylamide gel electrophoresis coupled with liquid chromatography- electrospray ionization-quadrupole-time of flight-mass spectrometry (LC-ESI-Q-TOF MS) to identify CSF proteins in CNS diffuse large B cell lymphoma (DLBCL) patients and controls. Results: Approximately 166 CSF proteins were identified, 12 for the first time in the CSF of lymphoma patients...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29149817/high-density-lipoprotein-hdl-dysfunction-and-future-of-hdl
#2
Sibel Ertek
Although high density lipoprotein cholesterol (HDL-C) levels are inversely proportional to cardiovascular risk in many studies, recent pharmacological interventional studies with HDL-C raising strategies did not show a benefit in terms of vascular events. The HDL particle is heterogenous with anti-atherogenic functions and non-vascular effects. Many factors affect HDL components and may either cause compositional changes, post-translational modifications of proteins, or alter lipids and other cargo molecules; generally these factors cause more than one of these changes, resulting in functional differences...
November 16, 2017: Current Vascular Pharmacology
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
#3
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/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
#4
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/29109329/role-of-apolipoproteins-abca1-and-lcat-in-the-biogenesis-of-normal-and-aberrant-high-density-lipoproteins
#5
Vassilis I Zannis, Shi Su, Panagiotis Fotakis
In this review, we focus on the pathway of biogenesis of HDL, the essential role of apoA-I, ATP binding cassette transporter A1 (ABCA1), and lecithin: cholesterol acyltransferase (LCAT) in the formation of plasma HDL; the generation of aberrant forms of HDL containing mutant apoA-I forms and the role of apoA-IV and apoE in the formation of distinct HDL subpopulations. The biogenesis of HDL requires functional interactions of the ABCA1 with apoA-I (and to a lesser extent with apoE and apoA-IV) and subsequent interactions of the nascent HDL species thus formed with LCAT...
November 4, 2017: Journal of Biomedical Research
https://www.readbyqxmd.com/read/29106519/desmocollin-1-is-abundantly-expressed-in-atherosclerosis-and-impairs-high-density-lipoprotein-biogenesis
#6
Hong Y Choi, Isabelle Ruel, Abba Malina, David R Garrod, Michael N Oda, Jerry Pelletier, Adel Schwertani, Jacques Genest
Aims: The biogenesis of high-density lipoprotein (HDL) particles by cholesterol-laden foam cells in atherosclerotic lesions is crucial for the removal of excess cholesterol from the lesions. Impairment in the HDL biogenic process contributes to the progression of atherosclerosis. The aim of this study is to identify novel cellular factors regulating HDL biogenesis. Methods and results: HDL biogenesis is a process of apolipoprotein (apo)-mediated solubilization of specific plasma membrane (PM) microdomains generated in cholesterol-accumulated cells...
June 29, 2017: European Heart Journal
https://www.readbyqxmd.com/read/29103206/novel-approaches-for-hdl-directed-therapies
#7
REVIEW
Jacques Genest, Hong Y Choi
PURPOSE OF REVIEW: High-density lipoproteins (HDL) are thought to exert a protective role against atherosclerosis. The measurement of the cholesterol mass within HDL (HDL-C) represents a good biomarker of cardiovascular health, but HDL-C appears to be a poor therapeutic target. Here, we discuss new targets for the development of HDL-directed therapies. RECENT FINDINGS: Among cardio-protective functions of HDL particles, the ability of HDL to remove cholesterol from cells involved in the early stages of atherosclerosis is considered one of the most important functions...
November 4, 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/29091568/ace-inhibitors-and-statins-in-adolescents-with-type-1-diabetes
#8
RANDOMIZED CONTROLLED TRIAL
M Loredana Marcovecchio, Scott T Chiesa, Simon Bond, Denis Daneman, Sarah Dawson, Kim C Donaghue, Timothy W Jones, Farid H Mahmud, Sally M Marshall, H Andrew W Neil, R Neil Dalton, John Deanfield, David B Dunger
BACKGROUND: Among adolescents with type 1 diabetes, rapid increases in albumin excretion during puberty precede the development of microalbuminuria and macroalbuminuria, long-term risk factors for renal and cardiovascular disease. We hypothesized that adolescents with high levels of albumin excretion might benefit from angiotensin-converting-enzyme (ACE) inhibitors and statins, drugs that have not been fully evaluated in adolescents. METHODS: We screened 4407 adolescents with type 1 diabetes between the ages of 10 and 16 years of age and identified 1287 with values in the upper third of the albumin-to-creatinine ratios; 443 were randomly assigned in a placebo-controlled trial of an ACE inhibitor and a statin with the use of a 2-by-2 factorial design minimizing differences in baseline characteristics such as age, sex, and duration of diabetes...
November 2, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/29069827/the-effect-of-mvk-mmab-variants-their-haplotypes-and-g%C3%A3-e-interactions-on-serum-lipid-levels-and-the-risk-of-coronary-heart-disease-and-ischemic-stroke
#9
Liu Miao, Rui-Xing Yin, Feng Huang, Wu-Xian Chen, Xiao-Li Cao, Jin-Zhen Wu
AIM: This study aimed to detect the association of the mevalonate kinase (MVK) and methylmalonic aciduria (cobalamin deficiency) cblB type (MMAB) gene variants, their haplotypes, and gene-environment (G×E) interactions on serum lipid levels and the risk of coronary heart disease (CHD) and ischemic stroke (IS) in a Chinese Han population. METHODS: Genotyping of the rs3759387, rs7134594, rs877710 and rs9593 SNPs in 846 CHD and 869 IS patients and 847 healthy controls was performed by PCR-RFLP and Sanger sequencing...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29069761/myeloid-specific-genetic-ablation-of-atp-binding-cassette-transporter-abca1-is-protective-against-cancer
#10
Maryam Zamanian-Daryoush, Daniel J Lindner, Joseph A DiDonato, Matthew Wagner, Jennifer Buffa, Patricia Rayman, John S Parks, Marit Westerterp, Alan R Tall, Stanley L Hazen
Increased circulating levels of apolipoprotein A-I (apoA-I), the major protein of high-density lipoprotein (HDL), by genetic manipulation or infusion, protects against melanoma growth and metastasis. Herein, we explored potential roles in melanoma tumorigenesis for host scavenger receptor class B, type 1 (SR-B1), and ATP-binding cassette transporters A1 (ABCA1) and G1 (ABCG1), all mediators of apoA-I and HDL sterol and lipid transport function. In a syngeneic murine melanoma tumor model, B16F10, mice with global deletion of SR-B1 expression exhibited increased plasma HDL cholesterol (HDLc) levels and decreased tumor volume, indicating host SR-B1 does not directly contribute to HDL-associated anti-tumor activity...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29054558/serum-lipid-lipoprotein-and-apolipoprotein-profiles-in-workers-exposed-to-low-arsenic-levels-lipid-profiles-and-occupational-arsenic-exposure
#11
Caterina Ledda, Ivo Iavicoli, Massimo Bracci, Roberto Avola, Paola Senia, Lory Santarelli, Cristoforo Pomara, Venerando Rapisarda
Epidemiologic studies have reported that exposure to arsenic (As) is associated with higher risk of cardiovascular disease (i.e., coronary heart disease and peripheral arterial heart disease) and mortality. This cross-sectional study aimed to compare serum lipid, lipoprotein, and apolipoprotein profiles in workers exposed to As. The subjects of this study included 57 workers exposed to As and 57 controls. Demographic characteristics and occupational information were collected through questionnaires. Exposure to As was assessed in indoor air of a workplace and determined using the creatinine values in the urine...
January 5, 2018: Toxicology Letters
https://www.readbyqxmd.com/read/29050287/association-between-the-mvk-and-mmab-polymorphisms-and-serum-lipid-levels
#12
Liu Miao, Rui-Xing Yin, Shang-Ling Pan, Shuo Yang, De-Zhai Yang, Wei-Xiong Lin
Maonan ethnic group is a relatively conservative and isolated minority in China. Little is known about the association of the mevalonate kinase (MVK), methylmalonic aciduria (cobalamin deficiency) cblB type (MMAB) single nucleotide polymorphisms (SNPs) and serum lipid levels. This study aimed to determine the association between four SNPs in the MVK/MMAB and serum lipid levels. Genotyping of the rs3759387, rs877710, rs7134594 and rs9593 SNPs was performed in 1264 Maonan subjects and 1251 Han participants. Allele and genotype frequencies of the selected SNPs were different between the two populations (P < 0...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29017497/the-effects-of-vildagliptin-compared-with-metformin-on-vascular-endothelial-function-and-metabolic-parameters-a-randomized-controlled-trial-sapporo-athero-incretin-study-3
#13
Naoyuki Kitao, Hideaki Miyoshi, Tomoo Furumoto, Kota Ono, Hiroshi Nomoto, Aika Miya, Chiho Yamamoto, Atsushi Inoue, Kenichi Tsuchida, Naoki Manda, Yoshio Kurihara, Shin Aoki, Akinobu Nakamura, Tatsuya Atsumi
BACKGROUND: Dipeptidyl peptidase-4 (DPP-4) inhibitors may have protective effects in the early stage of atherosclerosis in patients with type 2 diabetes, although similar effects in advanced atherosclerosis were not shown in recent randomized placebo-controlled studies. Therefore, we investigated the efficacy of DPP-4 inhibitor on endothelial function and glycemic metabolism compared with high-dose metformin. METHODS: In this multicenter, open-labeled, prospective, randomized, parallel-group comparison study, patients with type 2 diabetes treated with low-dose metformin (500-750 mg/day) were enrolled and randomly assigned to a vildagliptin, a DPP-4 inhibitor, add-on group (Vilda) or a double dose of metformin group (high Met) for 12 weeks...
October 10, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28994705/role-of-purified-anthocyanins-in-improving-cardiometabolic-risk-factors-in-chinese-men-and-women-with-prediabetes-or-early-untreated-diabetes-a-randomized-controlled-trial
#14
Liping Yang, Wenhua Ling, Yan Yang, Yuming Chen, Zezhong Tian, Zhicheng Du, Jianying Chen, Yuanling Xie, Zhaomin Liu, Lili Yang
Objective: In vitro and animal studies suggest that purified anthocyanins have favorable effects on metabolic profiles, but clinical trials have reported inconsistent findings. Furthermore, no study has been specifically conducted among individuals with prediabetes. The aim of this study was to investigate whether purified anthocyanins could improve cardiometabolic risk factors in Chinese adults with early untreated hyperglycemia. Research Design and Methods: This was a 12-week randomized, double-blind, placebo-controlled trial...
October 10, 2017: Nutrients
https://www.readbyqxmd.com/read/28978931/isotope-coded-protein-label-based-quantitative-proteomic-analysis-reveals-significant-up-regulation-of-apolipoprotein-a1-and-ovotransferrin-in-the-myopic-chick-vitreous
#15
Feng-Juan Yu, Thomas Chuen Lam, Long-Qian Liu, Rachel Ka-Man Chun, Jimmy Ka-Wai Cheung, King-Kit Li, Chi-Ho To
This study used isotope-coded protein label (ICPL) quantitative proteomics and bioinformatics analysis to examine changes in vitreous protein content and associated pathways during lens-induced eye growth. First, the vitreous protein profile of normal 7-day old chicks was characterized by nano-liquid chromatography electrospray ionization tandem mass spectrometry. A total of 341 unique proteins were identified. Next, myopia and hyperopia were induced in the same chick by attaching -10D lenses to the right eye and +10D lenses to the left eye, for 3 and 7 days...
October 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28956008/skin-mucus-proteins-of-lumpsucker-cyclopterus-lumpus
#16
Deepti Manjari Patel, Monica F Brinchmann
Fish skin mucus serves as a first line of defense against pathogens and external stressors. In this study the proteomic profile of lumpsucker skin mucus was characterized using 2D gels coupled with tandem mass spectrometry. Mucosal proteins were identified by homology searches across the databases SwissProt, NCBInr and vertebrate EST. The identified proteins were clustered into ten groups based on their gene ontology biological process in PANTHER (www.patherdb.org). Calmodulin, cystatin-B, histone H2B, peroxiredoxin1, apolipoprotein A1, natterin-2, 14-3-3 protein, alfa enolase, pentraxin, warm temperature acclimation 65 kDa (WAP65kDa) and heat shock proteins were identified...
March 2017: Biochemistry and Biophysics Reports
https://www.readbyqxmd.com/read/28943268/regulated-efflux-of-photoreceptor-outer-segment-derived-cholesterol-by-human-rpe-cells
#17
Federica Storti, Gabriele Raphael, Vera Griesser, Katrin Klee, Faye Drawnel, Carolin Willburger, Rebecca Scholz, Thomas Langmann, Arnold von Eckardstein, Jürgen Fingerle, Christian Grimm, Cyrille Maugeais
Genetic studies have linked age-related macular degeneration (AMD) to genes involved in high-density lipoprotein (HDL) metabolism, including ATP-binding cassette transporter A1 (ABCA1). The retinal pigment epithelium (RPE) handles large amounts of lipids, among others cholesterol, partially derived from internalized photoreceptor outer segments (OS) and lipids physiologically accumulate in the aging eye. To analyze the potential function of ABCA1 in the eye, we measured cholesterol efflux, the first step of HDL generation, in RPE cells...
September 21, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28938424/adiponectin-predicts-high-density-lipoprotein-cholesterol-efflux-capacity-in-adults-irrespective-of-body-mass-index-and-fat-distribution
#18
Gunther Marsche, Sieglinde Zelzer, Andreas Meinitzer, Sabine Kern, Sabine Meissl, Gudrun Pregartner, Daniel Weghuber, Gunter Almer, Harald Mangge
Context: Obesity is associated with hypoadiponectemia, dyslipidemia, and increased risk of cardiovascular disease (CVD). Mechanisms linking these conditions remain to be fully understood. Cholesterol efflux capacity (CEC) is a crucial functional property of high-density lipoprotein (HDL) that strongly predicts CVD incidence. Objective: We investigated whether age, fat distribution, and other obesity-related factors affect CEC in juvenile and adult overweight/obese participants of the STYJOBS/EDECTA cohort (NCT00482924)...
November 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28937295/adropin-levels-in-women-with-polycystic-ovaries-undergoing-ovarian-stimulation-correlation-with-lipoprotein-lipid-profiles
#19
Artemis Bousmpoula, Evangelia Kouskouni, Evangelos Benidis, Styliani Demeridou, Rachil Kapeta-Kourkouli, Anthia Chasiakou, Stavroula Baka
This study aimed to investigate serum and follicular fluid (FF) adropin levels in polycystic ovary syndrome (PCOS) and normal women undergoing controlled ovarian stimulation and correlate them with the lipid and lipoprotein levels. We included 60 women (30 lean and 30 overweight) with diagnosed PCOS, and 60 age and weight-matched non-PCOS controls (30 lean and 30 overweight), under in vitro fertilization (IVF) treatment. Serum lipid and lipoprotein levels were assessed by the Abbott Architect c8000 autoanalyzer while adropin levels were determined by enzyme immunoassay...
September 22, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28934670/conflicting-interactions-of-apolipoprotein-a-and-high-density-lipoprotein-cholesterol-with-microvascular-complications-of-type-2-diabetes
#20
Zahra Aryan, Mohsen Afarideh, Alireza Ghajar, Sadaf Esteghamati, Alireza Esteghamati, Manouchehr Nakhjavani
AIMS: This study is amid at investigating the associations, and interactions of serum lipid biomarkers with microvascular complications of type 2 diabetes (T2D). METHODS: A nested case-control study was conducted within an ongoing prospective study on patients with T2D. Microvascular complications of T2D including diabetic neuropathy, diabetic retinopathy and diabetic nephropathy were investigated. A total of 444 cases with at least one of the microvascular complications of T2D and 439 age- and gender-matched controls free of any of the chronic microvascular complications of T2D were included...
September 1, 2017: Diabetes Research and Clinical Practice
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