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https://www.readbyqxmd.com/read/28534127/genetics-of-triglycerides-and-the-risk-of-atherosclerosis
#1
REVIEW
Jacqueline S Dron, Robert A Hegele
PURPOSE OF REVIEW: Plasma triglycerides are routinely measured with a lipid profile, and elevated plasma triglycerides are commonly encountered in the clinic. The confounded nature of this trait, which is correlated with numerous other metabolic perturbations, including depressed high-density lipoprotein cholesterol (HDL-C), has thwarted efforts to directly implicate triglycerides as causal in atherogenesis. Human genetic approaches involving large-scale populations and high-throughput genomic assessment under a Mendelian randomization framework have undertaken to sort out questions of causality...
July 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/28533488/tim-3-inhibits-low-density-lipoprotein-induced-atherogenic-responses-in-human-umbilical-vein-endothelial-cells
#2
Ming-Ke Qiu, Song-Cun Wang, Yong Tang, Chang Pan, Yang Wang, Shu-Qing Wang, Zhi-Wei Quan, Jing-Min Ou
Endothelial injury and dysfunction followed by endothelial activation and inflammatory cell recruitment are factors contributing to the initiation and progression of atherosclerosis. Oxidized low-density lipoprotein (ox-LDL) promotes inflammation during atherogenesis and lipid deposition in the arterial wall. We observed that stimulation of human umbilical vein endothelial cells (HUVECs) with ox-LDL activated pro-inflammatory cytokine production and apoptosis, inhibited cell migration, and upregulated T-cell immunoglobulin and mucin domain 3 (Tim-3) expression...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28515939/vaccine-against-arteriosclerosis-an-update
#3
REVIEW
Kuang-Yuh Chyu, Paul C Dimayuga, Prediman K Shah
Substantial data from experimental and clinical investigation support the role of immune-mediated mechanisms in atherogenesis, with immune systems responding to many endogenous and exogenous antigens that play either proatherogenic or atheroprotective roles. An active immunization strategy against many of these antigens could potentially alter the natural history of atherosclerosis. This review mainly focuses on the important studies on the search for antigens that have been tested in vaccine formulations to reduce atherosclerosis in preclinical models...
April 2017: Therapeutic Advances in Vaccines
https://www.readbyqxmd.com/read/28514398/-structural-features-of-the-lipid-bilayer-of-the-red-blood-cell-membrane-in-people-with-isolated-hypercholesterolemia-without-coronary-artery-disease-and-in-patients-with-coronary-artery-disease
#4
A P Vasilev, N N Streltsova, N L Lystsova
AIM: To identify the specific features of modifying the lipid composition of the red blood cell membrane in people with isolated hypercholesterolemia without coronary heart disease (CHD) and in CHD patients with different functional classes of angina pectoris. SUBJECTS AND METHODS: 92 men with Functional Class II-IV stable angina, 22 men with isolated hypercholesterolemia (HC) without CHD, and 18 healthy men with normal cholesterol levels were examined. Blood plasma cholesterol levels were determined in all the examinees...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28508313/trpc-channels-and-stroke
#5
Junbo Huang
TRPC channels play important roles in neuronal death/survival in ischemic stroke, vasospasm in hemorrhagic stroke, thrombin-induced astrocyte pathological changes, and also in the initiation of stroke by affecting blood pressure and atherogenesis. TRPCs' unique channel characters and downstream pathways make them possible new targets for stroke therapy. TRPC proteins have different functions in different cell types. Considering TRPCs' extensive distribution in various tissues and cell types, drugs targeting them could induce more complicated effects...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28505074/nafld-and-atherosclerosis-are-prevented-by-a-natural-dietary-supplement-containing-curcumin-silymarin-guggul-chlorogenic-acid-and-inulin-in-mice-fed-a-high-fat-diet
#6
Antonella Amato, Gaetano-Felice Caldara, Domenico Nuzzo, Sara Baldassano, Pasquale Picone, Manfredi Rizzo, Flavia Mulè, Marta Di Carlo
Non-alcoholic fatty liver disease (NAFLD) confers an increased risk of cardiovascular diseases. NAFDL is associated with atherogenic dyslipidemia, inflammation and renin-angiotensin system (RAS) imbalance, which in turn lead to atherosclerotic lesions. In the present study, the impact of a natural dietary supplement (NDS) containing Curcuma longa, silymarin, guggul, chlorogenic acid and inulin on NAFLD and atherosclerosis was evaluated, and the mechanism of action was examined. C57BL/6 mice were fed an HFD for 16 weeks; half of the mice were simultaneously treated with a daily oral administration (os) of the NDS...
May 13, 2017: Nutrients
https://www.readbyqxmd.com/read/28504650/neutrophil-derived-s100-calcium-binding-proteins-a8-a9-promote-reticulated-thrombocytosis-and-atherogenesis-in-diabetes
#7
Michael J Kraakman, Man K S Lee, Annas Al-Sharea, Dragana Dragoljevic, Tessa J Barrett, Emilie Montenont, Debapriya Basu, Sarah Heywood, Helene L Kammoun, Michelle Flynn, Alexandra Whillas, Nordin M J Hanssen, Mark A Febbraio, Erik Westein, Edward A Fisher, Jaye Chin-Dusting, Mark E Cooper, Jeffrey S Berger, Ira J Goldberg, Prabhakara R Nagareddy, Andrew J Murphy
Platelets play a critical role in atherogenesis and thrombosis-mediated myocardial ischemia, processes that are accelerated in diabetes. Whether hyperglycemia promotes platelet production and whether enhanced platelet production contributes to enhanced atherothrombosis remains unknown. Here we found that in response to hyperglycemia, neutrophil-derived S100 calcium-binding proteins A8/A9 (S100A8/A9) interact with the receptor for advanced glycation end products (RAGE) on hepatic Kupffer cells, resulting in increased production of IL-6, a pleiotropic cytokine that is implicated in inflammatory thrombocytosis...
May 15, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28502908/chronic-administration-of-antioxidant-resin-from-virola-oleifera-attenuates-atherogenesis-in-ldlr-mice
#8
Paola Nogueira Coutinho, Beatriz Peters Pereira, Ana Claudia Hertel Pereira, Marcella Leite Porto, Arícia Leone Evangelista Monteiro de Assis, Afrânio Côgo Destefani, Silvana Santos Meyrelles, Elisardo Corral Vasquez, Breno Valentim Nogueira, Tadeu Uggere de Andrade, Denise Coutinho Endringer, Marcio Fronza, Thiago Melo Costa Pereira
ETHNOPHARMACOLOGICAL RELEVANCE: Virola oleifera (Schott) A. C. Smith, Myristicaceae has been largely used in traditional folk medicine in Brazil as an anti-inflammatory agent and our previous data indicated the antioxidant properties in other oxidative stress-related models. However, its effects on atherosclerosis (AT) are not yet investigated. AIMS OF THE STUDY: To evaluate the influence of resin from Virola oleifera (RV) on progression of AT in LDLr(-/-) mice...
May 11, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28500072/the-upregulation-of-integrin-%C3%AE-d%C3%AE-2-cd11d-cd18-on-inflammatory-macrophages-promotes-macrophage-retention-in-vascular-lesions-and-development-of-atherosclerosis
#9
Moammir H Aziz, Kui Cui, Mitali Das, Kathleen E Brown, Christopher L Ardell, Maria Febbraio, Elzbieta Pluskota, Juying Han, Huaizhu Wu, Christie M Ballantyne, Jonathan D Smith, Martha K Cathcart, Valentin P Yakubenko
Macrophage accumulation is a critical step during development of chronic inflammation, initiating progression of many devastating diseases. Leukocyte-specific integrin αDβ2 (CD11d/CD18) is dramatically upregulated on macrophages at inflammatory sites. Previously we found that CD11d overexpression on cell surfaces inhibits in vitro cell migration due to excessive adhesion. In this study, we have investigated how inflammation-mediated CD11d upregulation contributes to macrophage retention at inflammatory sites during atherogenesis...
May 12, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28487339/circulating-fabp4-fatty-acid-binding-protein-4-is-a-novel-prognostic-biomarker-in-patients-with-acute-ischemic-stroke
#10
Wen-Jun Tu, Xian-Wei Zeng, Aijun Deng, Sheng-Jie Zhao, Ding-Zhen Luo, Guo-Zhao Ma, Hong Wang, Qiang Liu
BACKGROUND AND PURPOSE: FABP4 (fatty acid-binding protein 4) is an intracellular lipid chaperone involved in coordination of lipid transportation and atherogenesis. This study aimed at observing the effect of FABP4 on the 3-month outcomes in Chinese patients with acute ischemic stroke. METHODS: In a prospective multicenter observational study, serum concentrations of FABP4 were on admission measured in plasma of 737 consecutive patients with acute ischemic stroke...
May 9, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28485501/mir-34a-targets-hdac1-regulated-h3k9-acetylation-on-lipid-accumulation-induced-by-homocysteine-in-foam-cells
#11
Qingguo Zhao, Shuqiang Li, Nan Li, Xiaoling Yang, Shengchao Ma, Anning Yang, Hui Zhang, Songhao Yang, Caiyan Mao, Lingbo Xu, Tingting Gao, Xiaoming Yang, Huiping Zhang, Yideng Jiang
Hyperhomocysteinemia (HHcy) promotes atherogenesis by modification of histone acetylation patterns and regulation of miRNA expression while the underlying molecular mechanisms are not well known. In this study, we investigated the effects of homocysteine (Hcy) on the expression of histone deacetylase 1 (HDAC1) and tested our hypothesis that Hcy-induced atherosclerosis is mediated by increased HDAC1 expression, which is regulated by miR-34a. The expression of HDAC1 increased and acetylation of histone H3 at lysine 9 (H3K9ac) decreased in the aorta of ApoE(-/-) mice fed with high methionine diet, whereas miR-34a expression was inhibited...
May 9, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28483812/coronary-plaque-characterization-in-psoriasis-reveals-high-risk-features-which-improve-following-treatment-in-a-prospective-observational-study
#12
Joseph B Lerman, Aditya A Joshi, Abhishek Chaturvedi, Tsion M Aberra, Amit K Dey, Justin A Rodante, Taufiq Salahuddin, Jonathan H Chung, Anshuma Rana, Heather L Teague, Jashin J Wu, Martin P Playford, Benjamin N Lockshin, Marcus Y Chen, Veit Sandfort, David A Bluemke, Nehal N Mehta
Background -Psoriasis, a chronic inflammatory disease associated with an accelerated risk of MI, provides an ideal human model to study inflammatory atherogenesis in vivo We hypothesized that the increased cardiovascular risk observed in psoriasis would be partially attributable to an elevated subclinical coronary artery disease (CAD) burden composed of non-calcified plaques with high-risk features. However, inadequate efforts have been made to directly measure CAD in this vulnerable population. As such, we sought to compare total (TB) and non-calcified (NCB) coronary plaque burden, and high-risk plaque (HRP) prevalence, between psoriasis patients (n=105), hyperlipidemic patients eligible for statin therapy under NCEP-ATP III guidelines (n=100) who were ~10 years older, and non-psoriasis healthy volunteers (HV) (n=25)...
May 8, 2017: Circulation
https://www.readbyqxmd.com/read/28483459/animal-models-of-atherosclerosis
#13
Besa Emini Veseli, Paola Perrotta, Gregory R A De Meyer, Lynn Roth, Carole Van der Donckt, Wim Martinet, Guido R Y De Meyer
An ideal animal model of atherosclerosis resembles human anatomy and pathophysiology and has the potential to be used in medical and pharmaceutical research to obtain results that can be extrapolated to human medicine. Moreover, it must be easy to acquire, can be maintained at a reasonable cost, is easy to handle and shares the topography of the lesions with humans. In general, animal models of atherosclerosis are based on accelerated plaque formation due to a cholesterol-rich/Western-type diet, manipulation of genes involved in the cholesterol metabolism, and the introduction of additional risk factors for atherosclerosis...
May 5, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28481921/low-sodium-diet-induces-atherogenesis-regardless-of-lowering-blood-pressure-in-hypertensive-hyperlipidemic-mice
#14
Fernanda B Fusco, Diego J Gomes, Kely C S Bispo, Veronica P Toledo, Denise F Barbeiro, Vera L Capelozzi, Luzia N S Furukawa, Ana P P Velosa, Walcy R Teodoro, Joel C Heimann, Eder C R Quintao, Marisa Passarelli, Edna R Nakandakare, Sergio Catanozi
This study investigated the influence of sodium restriction and antihypertensive drugs on atherogenesis utilizing hypertensive (H) low-density lipoprotein-receptor knockout mice treated or not with losartan (Los) or hydralazine (Hyd) and fed low-sodium (LS) or normal-sodium (NS) chow. Despite reducing the blood pressure (BP) of H-LS mice, the LS diet caused arterial lipid infiltration due to increased plasma total cholesterol (TC) and triglycerides (TG). Los and Hyd reduced the BP of H-LS mice, and Los effectively prevented arterial injury, likely by reducing plasma TG and nonesterified fatty acids...
2017: PloS One
https://www.readbyqxmd.com/read/28469073/atherogenesis-and-metabolic-dysregulation-in-ldl-receptor-knockout-rats
#15
Srinivas D Sithu, Marina V Malovichko, Krista A Riggs, Nalinie S Wickramasinghe, Millicent G Winner, Abhinav Agarwal, Rihab E Hamed-Berair, Anuradha Kalani, Daniel W Riggs, Aruni Bhatnagar, Sanjay Srivastava
Mechanisms of atherogenesis have been studied extensively in genetically engineered mice with disturbed cholesterol metabolism such as those lacking either the LDL receptor (Ldlr) or apolipoprotein E (apoe). Few other animal models of atherosclerosis are available. WT rabbits or rats, even on high-fat or high-cholesterol diets, develop sparse atherosclerotic lesions. We examined the effects of Ldlr deletion on lipoprotein metabolism and atherosclerotic lesion formation in Sprague-Dawley rats. Deletion of Ldlr resulted in the loss of the LDLR protein and caused a significant increase in plasma total cholesterol and triglycerides...
May 4, 2017: JCI Insight
https://www.readbyqxmd.com/read/28465818/the-effect-of-hepatitis-c-virus-infection-on-cardiovascular-complications-in-end-stage-kidney-disease-patients-on-regular-hemodialysis
#16
Mohamed Salah Eldin Zaki
INTRODUCTION: Cardiovascular complications are the most important cause of mortality in patients with ESKD, such as coronary artery disease, left ventricular hypertrophy, heart failure and arrhythmia. Other well-known risk factors, such as diabetes mellitus, hypertension and dyslipidemia are prevalent in ESKD, yet they are not sufficient enough to explain the high prevalence of cardiovascular mortality, hence searching for other hidden risk factors to explain this high prevalence is of an utmost importance...
February 2017: Electronic Physician
https://www.readbyqxmd.com/read/28463465/dendritic-cell-targeting-dna-based-nasal-adjuvants-for-protective-mucosal-immunity-to-streptococcus-pneumoniae
#17
REVIEW
Kosuke Kataoka, Yoshiko Fukuyama, David E Briles, Tatsuro Miyake, Kohtaro Fujihashi
In order to develop safe vaccines for effective mucosal immunity to major pulmonary bacterial infections, one must consider appropriate vaccine antigens (Ags), delivery systems and nontoxic molecular adjuvants. Such vaccine constructs can induce Ag-specific immune responses which provide effective protection from mucosal infections. In particular, it has been shown that adjuvant-based mucosal vaccine preparations are relatively easy to construct by simply mixing the adjuvant with the bacterial Ag, and the resulting vaccine can elicit protective immunity...
May 2, 2017: Microbiology and Immunology
https://www.readbyqxmd.com/read/28460767/predictors-of-endothelial-dysfunction-and-atherosclerosis-in-rheumatoid-arthritis-in-indian-population
#18
Inderjeet Verma, Ashit Syngle, Pawan Krishan
OBJECTIVE: Cardiovascular (CV) disease is leading cause of mortality in rheumatoid arthritis (RA). Dysfunction of the vascular endothelium is a hallmark of most conditions that are associated with atherosclerosis and is therefore an early feature in atherogenesis. Biomarkers for rapid evolution of CV complications would be highly desirable for risk stratification. Finally, predictive biomarkers for cardiovascular risk would allow tailoring therapy to the individual. We assessed endothelial function and atherosclerosis utilizing carotid intima-media thickness (CIMT) in RA in context of clinical and laboratory markers in Indian RA population...
March 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28455580/cardiovascular-risk-in-patients-with-rheumatoid-arthritis
#19
REVIEW
Kim Lauper, Cem Gabay
Substantial epidemiologic data have shown an increased risk of cardiovascular (CV) disease in rheumatoid arthritis (RA) patients. Traditional CV risk factors may partly contribute to CV disease in RA; however, current evidence underlines the important role of inflammation in the pathogenesis of atherosclerosis and amplification of CV risk. Interplays between inflammation and lipid metabolism in the development of atherosclerosis have been established by recent scientific advances. Atherosclerosis is currently viewed as an inflammatory disease, and modifications of lipoproteins during inflammation accelerate atherogenesis...
April 28, 2017: Seminars in Immunopathology
https://www.readbyqxmd.com/read/28453363/a-polyphenol-based-multicomponent-nutraceutical-in-dysmetabolism-and-oxidative-stress-results-from-a-pilot-study
#20
Roberto Corsi, Giovanni Mosti, Attilio Cavezzi, Simone Ugo Urso, Gayla Dimitrova, Elena Fioroni, Roberto Colucci, Valentina Quinzi
To assess short-term efficacy and safety of a multicomponent nutraceutical (MCN) on dysmetabolism and oxidative stress, a pilot prospective observational study was performed on 21 individuals (12 men and 9 women) who took, for 60 days, 2 tablets per day of an MCN based on antioxidants and metabolism regulators: hydroxytyrosol (15 mg), maqui (300 mg), amla (200 mg), monacolin K (10 mg), berberine (245 mg), astaxanthin (0.5 mg), coenzyme Q10 (100 mg), and folic acid (200 mcg). On day 0 (T0) and day 60 (T60), all participants underwent laboratory tests related to lipid profile, carbohydrate metabolism, oxidative stress, and cellular inflammation...
April 28, 2017: Journal of Dietary Supplements
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