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Apolipoprotein A1

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https://www.readbyqxmd.com/read/28814835/efficacy-and-tolerability-of-two-different-formulations-of-atorvastatin-in-korean-patients-with-hypercholesterolemia-a-multicenter-prospective-randomized-clinical-trial
#1
Ju-Hee Lee, Sang-Hyun Kim, Dong-Ju Choi, Seung-Jea Tahk, Jung-Han Yoon, Si Wan Choi, Taek-Jong Hong, Hyo-Soo Kim
PURPOSE: This study was designed to compare the efficacy and tolerability of the generic formulation (Atorva(®)) and the reference formulation (Lipitor(®)) of atorvastatin, both at a dosage of 20 mg once daily. METHODS: This study was a prospective open-label, randomized controlled study. Hypercholesterolemic patients who had not achieved low-density lipoprotein (LDL) cholesterol goals according to the National Cholesterol Education Program Adult Treatment Panel III (NCEP-ATP III) guideline were randomized to generic formulation or reference formulation of atorvastatin...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28793282/increased-risk-of-atherosclerosis-in-patients-with-sarcoidosis
#2
Elena Bargagli, Elisabetta Rosi, Massimo Pistolesi, Federico Lavorini, Luca Voltolini, Paola Rottoli
Sarcoidosis is a systemic granulomatous disease of unknown etiology. Recent studies demonstrated that its pathogenesis is related with enhanced oxidative stress (protein carbonylation and lipid peroxidation) and alterations in the circulating lipid profile. Alterations of lipid metabolism (including the reduction in high-density lipoprotein cholesterol levels and apolipoprotein A1 concentrations) induce plasma membrane, bronchial and lung capillary endothelial cell damage in sarcoidosis patients. Dyslipidemia is associated with increased oxidative stress, diminished overall antioxidative protection and increased risk for atherosclerosis...
August 10, 2017: Pathobiology: Journal of Immunopathology, Molecular and Cellular Biology
https://www.readbyqxmd.com/read/28791414/tetramethylpyrazine-suppresses-lipid-accumulation-in-macrophages-via-upregulation-of-the-atp-binding-cassette-transporters-and-downregulation-of-scavenger-receptors
#3
Jie Duan, Dong Xiang, Hongli Luo, Guojun Wang, Yun Ye, Chao Yu, Xiuying Li
Tetramethylpyrazine (TMP), a biologically active ingredient first extracted from the Chinese medicinal plant Ligusticum wallichii Franchat., has athero-protective activity, yet the particular mechanisms have not been completely explored. The present study was designed to investigate the effect of TMP and its possible mechanisms in RAW264.7 macrophages and apolipoprotein E-deficient (ApoE-/-) mice. TMP treatment markedly increased the cholesterol efflux and inhibited oxidized low-density lipoprotein (ox-LDL) uptake, thus, ameliorating lipid accumulation in macrophages...
August 4, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28774484/cardiovascular-disease-risk-associated-with-serum-apolipoprotein-b-is-modified-by-serum-vitamin-a
#4
Thomas Olsen, Kathrine J Vinknes, Gard F T Svingen, Eva R Pedersen, Grethe S Tell, Rune Blomhoff, Christian A Drevon, Per M Ueland, Øivind Midttun, Helga Refsum, Ottar K Nygård
BACKGROUND AND AIMS: Apolipoproteins B (apoB) and A1 (apoA1) are major protein constituents of low-density and high-density lipoproteins, respectively, and serum concentrations of these apolipoproteins are associated with risk of atherosclerosis. Vitamin A (VA) has been implicated in lipoprotein metabolism. We evaluated the associations of serum apoB, apoA1 and their ratio (apoBAR) with risk of incident acute myocardial infarction (AMI) and the possible modification by serum VA. METHODS: Risk associations were assessed by Cox regression, and presented as hazard ratios (HRs) per standard deviation (SD) increment in log-transformed values of the lipid parameters, among 4117 patients with suspected stable angina pectoris, located in Western Norway...
July 21, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28770971/apolipoprotein-a1-and-neuronal-nitric-oxide-synthase-gene-polymorphisms-and-hormone-related-osteonecrosis-of-the-femoral-head
#5
L Chen, P Wei, K Jiang, X-X Xia
OBJECTIVE: This study was designed to investigate the influence of several polymorphisms in neuronal NOS genes and apolipoprotein AI on the hormone-related osteonecrosis of the femoral head (ONFH) risk. PATIENTS AND METHODS: Peripheral blood mononuclear cell (PBMCs) samples extracted from hormone-related ONFH patients and controls were used to amplify fragments of the apolipoprotein A1 and neuronal NOS exon 7 and intron 4 using specific PCR primers. The products were analyzed by DNA sequencing and mapped to find the genotype distributions...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28767201/the-apolipoprotein-a-i-mimetic-peptide-d-4f-restrains-neointimal-formation-through-heme-oxygenase-1-up-regulation
#6
Donghui Liu, Mengzhang Wu, Qian Du, Zhenzhen Ding, Mingming Qian, Zijia Tong, Wenqi Xu, Le Zhang, He Chang, Yan Wang, Caihua Huang, Donghai Lin
D-4F, an apolipoprotein A-I (apoA-I) mimetic peptide, possesses distinctly anti-atherogenic effects. However, the biological functions and mechanisms of D-4F on the hyperplasia of vascular smooth muscle cells (VSMCs) remain unclear. This study aimed to determine its roles in the proliferation and migration of VSMCs. In vitro, D-4F inhibited VSMC proliferation and migration induced by ox-LDL in a dose-dependent manner. D-4F up-regulated heme oxygenase-1 (HO-1) expression in VSMCs, and the PI3K/Akt/AMP-activated protein kinase (AMPK) pathway was involved in these processes...
August 2, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28732305/association-between-gaseous-air-pollutants-and-inflammatory-hemostatic-and-lipid-markers-in-a-cohort-of-midlife-women
#7
Xiangmei May Wu, Rupa Basu, Brian Malig, Rachel Broadwin, Keita Ebisu, Ellen B Gold, Lihong Qi, Carol Derby, Rochelle S Green
BACKGROUND: Exposures to ambient gaseous pollutants have been linked to cardiovascular diseases (CVDs), but the biological mechanisms remain uncertain. OBJECTIVES: This study examined the changes in CVD marker levels resulting from elevated exposure to ambient gaseous pollutants in midlife women. METHODS: Annual repeated measurements of several inflammatory, hemostatic and lipid makers were obtained from 2306 midlife women enrolled in the longitudinal Study of Women's Health Across the Nation (SWAN) between 1999 and 2004...
July 18, 2017: Environment International
https://www.readbyqxmd.com/read/28721149/apolipoprotein-a1-polymorphisms-and-risk-of-coronary-artery-disease-a-meta-analysis
#8
Lang-Biao Xu, Ya-Feng Zhou, Jia-Lu Yao, Si-Jia Sun, Qing Rui, Xiang-Jun Yang, Xiao-Bo Li
INTRODUCTION: It has been reported that APOA1 -75G/A polymorphism might be associated with susceptibility to coronary artery disease (CAD). Owing to mixed and inconclusive results, we conducted a meta-analysis to systematically summarize and clarify the association between APOA1-75G/A polymorphism and the risk of CAD. MATERIAL AND METHODS: A systematic search of studies on the association of single nucleotide polymorphisms (SNP) with susceptibility to CAD was conducted...
June 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28720344/apoe-genotype-associates-with-food-consumption-and-body-composition-to-predict-dyslipidaemia-in-brazilian-adults-with-normal-weight-obesity-syndrome
#9
Lana Pacheco Franco, Amanda Gonçalves Zardini Silveira, Rochelle Sobral de Assis Vasconcelos Lima, Maria Aderuza Horst, Cristiane Cominetti
BACKGROUND & AIM: Normal-Weight Obesity Syndrome has been characterized by a normal body mass index and high percentage of body fat. It is associated with an increased risk of cardiovascular disease development. This study aimed to evaluate whether apolipoprotein E (APOE) genotypes and food consumption are related to the lipid profiles of adults with Normal-Weight Obesity Syndrome. METHODS: Analytical cross-sectional study, including adults with Normal-Weight Obesity Syndrome...
July 11, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28712153/proteomic%C3%A2-analysis-reveals-the-enhancement-of-human-serum-apolipoprotein-a-1-apo-a-1-in%C3%A2-individuals%C3%A2-infected-with-multiple-dengue-virus-serotypes
#10
Manchala Nageswar Reddy, Ranjeet Dungdung, Rajendra Pilankatta
OBJECTIVES: Human serum protein profiling of the individual infected with multiple dengue virus serotypes for identifying the potential biomarkers and to investigate the cause for the severity of dengue virus infection. METHODS: Dengue virus NS1 positive serum samples were pooled into two groups (S2 and S3) based on the molecular serotyping and number of heterotypic infections. The pooled serum samples were subjected to two dimensional gel electrophoresis (2DGE) to identify the differentially expressed proteins...
July 16, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28710487/decreased-serum-apolipoprotein-a1-levels-are-associated-with-poor-survival-and-systemic-inflammatory-response-in-colorectal-cancer
#11
Päivi Sirniö, Juha P Väyrynen, Kai Klintrup, Jyrki Mäkelä, Markus J Mäkinen, Tuomo J Karttunen, Anne Tuomisto
Recent studies have reported of an association between high serum apolipoprotein A1 (APOA1) levels and favorable prognosis in several malignancies, while the significance of apolipoprotein B (APOB) in cancer is less well-known. In this study, we analyzed the correlation between serum APOA1 and APOB levels, and APOB/APOA1 ratio, and their associations with clinicopathologic parameters, the levels of twenty systemic inflammatory markers, and survival in 144 colorectal cancer (CRC) patients. We demonstrated that low serum APOA1 levels associated with advanced T-class and TNM-stage but low serum APOB levels did not significantly correlate with tumor characteristics...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28694219/hepatic-abca1-deficiency-is-associated-with-delayed-apolipoprotein-b-secretory-trafficking-and-augmented-vldl-triglyceride-secretion
#12
Mingxia Liu, Soonkyu Chung, Gregory S Shelness, John S Parks
ATP binding cassette transporter A1 (ABCA1) is a membrane transporter that facilitates nascent HDL formation. Tangier disease subjects with complete ABCA1 deficiency have <5% of normal levels of plasma HDL, elevated triglycerides (TGs), and defective vesicular trafficking in fibroblasts and macrophages. Hepatocyte-specific ABCA1 knockout mice (HSKO) have a similar lipid phenotype with 20% of normal plasma HDL levels and a two-fold elevation of plasma TGs due to hepatic overproduction of large, triglyceride-enriched VLDL...
July 8, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28673011/tribbles-homolog-1-enhances-cholesterol-efflux-from-oxidized-low-density-lipoprotein-loaded-thp-1-macrophages
#13
Yanhua Fu, Yang Zhao, Bin Huang
Macrophage foam cell formation plays a pivotal role in the pathogenesis of atherosclerosis. The protein Tribbles homolog 1 (Trib1), a member of the Tribbles protein family, functions as an adaptor or scaffold protein. Recent studies have indicated its implication in lipoprotein metabolism. In the present study, the role of Trib1 in macrophage foam cell formation was investigated. Oil red O staining was used to analyze intracellular lipid deposition, while the effects of Trib1 overexpression on cholesterol efflux were also examined...
July 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28667326/quantitative-proteomics-analysis-of-plasmodium-vivax-induced-alterations-in-human-serum-during-the-acute-and-convalescent-phases-of-infection
#14
Sandipan Ray, Sandip K Patel, Apoorva Venkatesh, Gangadhar Chatterjee, Naziya N Ansari, Nithya J Gogtay, Urmila M Thatte, Prajakta Gandhe, Santosh G Varma, Swati Patankar, Sanjeeva Srivastava
The radial distribution of Plasmodium vivax malaria burden has evoked enormous concern among the global research community. In this study, we have investigated the serum proteome alterations in non-severe vivax malaria patients before and during patient recuperation starting from the early febrile to the defervescence and convalescent stages of the infection. We have also performed an extensive quantitative proteomics analysis to compare the serum proteome profiles of vivax malaria patients with low (LPVM) and moderately-high (MPVM) parasitemia with healthy community controls...
June 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28666268/myeloid-specific-genetic-ablation-of-atp-binding-cassette-transporter-abca1-is-protective-against-cancer
#15
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...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28664876/scaling-up-of-a-heparg-progenitor-cell-based-bioartificial-liver-optimization-for-clinical-application-and-transport
#16
Martien van Wenum, Philipp Treskes, Chung-Yin Tang, Esmee J Coppens, Koen Jansen, Erik J Hendriks, Sandrine Camus, Thomas M van Gulik, Robert A F M Chamuleau, Ruurdtje Hoekstra
A new generation of bioartificial livers, based on differentiated proliferative hepatocyte sources, has been developed. Several practicable and regulatory demands have to be addressed before these can be clinically evaluated. We identified three main hurdles: (1) expansion and preservation of the biocomponent, (2) development of scaled-up culture conditions and (3) transport of the device to the bedside. In this study we address these three issues for the HepaRG-progenitor cell line-loaded AMC-Bioartificial Liver...
June 30, 2017: Biofabrication
https://www.readbyqxmd.com/read/28663044/carotid-artery-plaques-are-risk-factors-the-same-in-men-and-women-with-familial-hypercholesterolemia
#17
Małgorzata Waluś-Miarka, Danuta Czarnecka, Małgorzata Kloch-Badełek, Wiktoria Wojciechowska, Maria Kapusta, Maciej T Malecki
BACKGROUND AND AIMS: High low-density lipoprotein (LDL)-cholesterol levels are a major cause of premature coronary heart disease (CHD) and death in patients with familial hypercholesterolemia (FH). It is uncertain whether these risk factors affect men and women equally. We aimed to compare the risk factors of carotid plaques, which are reliable surrogates of coronary atherosclerosis, in men and women with FH. METHODS: 154 patients with FH (40.9% men) were included, diagnosed according to Simon Broome criteria...
June 21, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28659481/hepatitis-c-virus-strain-dependent-usage-of-apolipoprotein-e-modulates-assembly-efficiency-and-specific-infectivity-of-secreted-virions
#18
Romy Weller, Kathrin Hueging, Richard J P Brown, Daniel Todt, Sebastian Joecks, Florian W R Vondran, Thomas Pietschmann
Hepatitis C virus (HCV) is extraordinarily diverse and uses entry factors in a strain-specific manner. Virus particles associate with lipoproteins and Apolipoprotein E (ApoE) is critical for HCV assembly and infectivity. However, whether ApoE-dependency is common to all HCV genotypes remains unknown. Therefore, we compared the role of ApoE utilizing ten virus strains from genotypes 1 through 7. ApoA and ApoC also support HCV assembly, so they may contribute to virus production in a strain-dependent fashion...
June 28, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28657650/a-review-on-symptoms-treatments-protocols-and-proteomic-profile-in-sulfur-mustard-exposed-victims
#19
Yunes Panahi, Amir H Abdolghaffari, Amirhossein Sahebkar
Sulfur mustard (SM) as an alkylating and vesicating agent was used for 100 years as a chemical weapon. SM as bi-functional mustard can attacks and alkylates lots of biomolecules. Different cellular mechanism and molecular pathways are responsible for damages to body tissues. Such as DNA damages, oxidative stress, Apoptosis, and inflammation. Sulfur mustard penetrated body organs and induces long term eye, skin, lung, gastrointestinal, urogenital damages and can cause carcinogenic and mutagenic consequences...
June 28, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28648864/impact-of-plasma-protein-binding-on-cargo-release-by-thermosensitive-liposomes-probed-by-fluorescence-correlation-spectroscopy
#20
Judith J Mittag, Barbara Kneidl, Tobias Preiß, Martin Hossann, Gerhard Winter, Stefan Wuttke, Hanna Engelke, Joachim O Rädler
Thermosensitive liposomes (TSLs) whose phase-transition temperature (Tm) lies slightly above body temperature are ideal candidates for controlled drug release via local hyperthermia. Recent studies, however, have revealed disruptive shifts in the release temperature Tr in mouse plasma, which are attributed to undefined interactions with blood proteins. Here, we study the effects of four major plasma proteins - serum albumin (SA), transferrin (Tf), apolipoprotein A1 (ApoA1) and fibrinogen (Fib) - on the temperature-dependent release of fluorescein di-β-D-galactopyranoside (FDG) from TSLs...
June 22, 2017: European Journal of Pharmaceutics and Biopharmaceutics
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