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Atherosclerosys

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https://www.readbyqxmd.com/read/28734203/exenatide-mitigated-diet-induced-vascular-aging-and-atherosclerotic-plaque-growth-in-apoe-deficient-mice-under-chronic-stress
#1
Guang Yang, Yanna Lei, Aiko Inoue, Limei Piao, Lina Hu, Haiying Jiang, Takeshi Sasaki, Hongxian Wu, Wenhu Xu, Chenglin Yu, Guangxian Zhao, Shinyu Ogasawara, Kenji Okumura, Masafumi Kuzuya, Xian-Wu Cheng
BACKGROUND AND AIMS: Exposure to psychosocial stress is a risk factor for cardiovascular disorders. Because the glucagon-like peptide-1 (GLP-1) receptor (GLP-1R) agonist prevents cardiovascular injury, we investigated the beneficial effects and mechanism of the GLP-1 analogue exenatide on stress-related vascular senescence and atherosclerosis in apolipoprotein E-deficient (ApoE(-/-)) mice fed a high-fat (HF) diet. METHODS: ApoE(-/-) mice fed the HF diet were assigned to non-stressed and immobilized-stress groups for 12 weeks...
July 13, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28731888/elevated-plasma-levels-of-mac-2-binding-protein-predict-poor-cardiovascular-outcomes-in-patients-with-acute-coronary-syndrome
#2
Hao Xie, Zhun Zhang, Liming Chen, Pu Zhang, Yuqi Cui, Hang Liu, Hongrui Ma, Yufan Jiang, Ying Wang, Le Yang, Hongpeng Wu, Lianqun Cui
BACKGROUND: Mac-2 binding protein (M2BP) is an inflammatory glycoprotein associated with carotid atherosclerosis and all-cause mortality in patients with suspected coronary artery diseases. We aimed to explore the potential association of plasma M2BP levels with unstable plaque morphology and cardiovascular outcomes in patients with acute coronary syndrome (ACS). PATIENTS AND METHODS: We compared plasma M2BP levels among three groups: 216 patients with ACS, 82 patients with stable angina pectoris, and 50 controls...
July 20, 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28731861/genetic-control-of-apoprotein-a-i-and-atheroprotection-some-insights-from-inbred-strains-of-mice
#3
Godfrey S Getz, Catherine A Reardon
PURPOSE OF REVIEW: Previous epidemiological studies and studies in experimental animals have provided strong evidence for the atheroprotective effect of HDL and its major apoprotein, apolipoprotein A-I (apoA-I). Identification of genetic loci associating apoA-I/HDL with cardiovascular disease is needed to establish a causal relationship. RECENT FINDINGS: Pharmacological interventions to increase apoA-I or HDL cholesterol levels in humans are not associated with reduction in atherosclerosis...
July 20, 2017: Current Opinion in Lipidology
https://www.readbyqxmd.com/read/28731362/greater-cognitive-deficits-with-sleep-disordered-breathing-among-individuals-with-genetic-susceptibility-to-alzheimer-s-disease-the-multi-ethnic-study-of-atherosclerosis
#4
Dayna A Johnson, Jacqueline Lane, Rui Wang, Michelle Reid, Ina Djonlagic, Annette L Fitzpatrick, Stephen R Rapp, Luenda E Charles, Ruth O'Hara, Richa Saxena, Susan Redline
RATIONALE: There are conflicting findings regarding the link between sleep apnea and cognitive dysfunction. OBJECTIVE: Investigate associations between indicators of sleep-disordered breathing (SDB) and cognitive function in the Multi-Ethnic Study of Atherosclerosis and assess effect modification by the apolipoprotein ε-4 (APOE-ε4) allele. METHODS: A diverse population (N=1,752) underwent Type 2 in-home polysomnography, which included measurement of % sleep time <90% oxyhemoglobin saturation (%Sat<90%) and apnea-hypopnea index (AHI)...
July 21, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28731130/effects-of-reduced-%C3%AE-2-glycoprotein-i-on-high-glucose%C3%A2-induced-cell-death-in-huvecs
#5
Jing-Yun Zhang, Jun Ma, Pei Yu, Guang-Jie Tang, Chun-Jun Li, De-Min Yu, Qiu-Mei Zhang
Reduced β2 glycoprotein I (β2GPI) has been demonstrated to exhibit a beneficial effect in diabetic atherosclerosis and retinal neovascularization. However, the effect of reduced β2GPI on vascular disorders in diabetic mellitus (DM) remains to be elucidated. The present study established a high glucose‑induced injury model using human umbilical cords veins (HUVECs) and evaluated the protective effects of reduced β2GPI against the injury. The data demonstrated that a low concentration of reduced β2GPI (0...
July 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28730752/targeted-nanotherapeutics-encapsulating-liver-x-receptor-agonist-gw3965-enhance-antiatherogenic-effects-without-adverse-effects-on-hepatic-lipid-metabolism-in-ldlr-mice
#6
Mikyung Yu, Jaume Amengual, Arjun Menon, Nazila Kamaly, Felix Zhou, Xiaoding Xu, Phei Er Saw, Seung-Joo Lee, Kevin Si, Carleena Angelica Ortega, Won Il Choi, In-Hyun Lee, Yazan Bdour, Jinjun Shi, Morteza Mahmoudi, Sangyong Jon, Edward A Fisher, Omid C Farokhzad
The pharmacological manipulation of liver X receptors (LXRs) has been an attractive therapeutic strategy for atherosclerosis treatment as they control reverse cholesterol transport and inflammatory response. This study presents the development and efficacy of nanoparticles (NPs) incorporating the synthetic LXR agonist GW3965 (GW) in targeting atherosclerotic lesions. Collagen IV (Col IV) targeting ligands are employed to functionalize the NPs to improve targeting to the atherosclerotic plaque, and formulation parameters such as the length of the polyethylene glycol (PEG) coating molecules are systematically optimized...
July 21, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28730567/kidney-disease-measures-are-associated-with-the-burden-of-coronary-atherosclerosis-independently-of-diabetes
#7
Maria Maddalena D'Errico, Antonio Mangiacotti, Daniele Graziano, Valentina Massa, Pamela Piscitelli, Gianluigi Vendemiale, Francesca Viazzi, Roberto Pontremoli, Aldo Russo, Nicola Marchese, Carlo Vigna, Salvatore De Cosmo
No abstract text is available yet for this article.
July 21, 2017: Acta Diabetologica
https://www.readbyqxmd.com/read/28729885/cd36-overexpression-a-possible-etiopathogenic-mechanism-of-atherosclerosis-in-patients-with-prediabetes-and-diabetes
#8
M D Lopez-Carmona, M C Plaza-Seron, A Vargas-Candela, F J Tinahones, R Gomez-Huelgas, M R Bernal-Lopez
RATIONALE: CD36 is a scavenger receptor located on monocytes which is involved in foam cell transformation. AIM: To evaluate CD36 expression under different glycemic states in both healthy subjects and in atherosclerotic patients. SUBJECTS AND METHODS: In order to evaluate the possible effects of hyperglycemia on CD36 expression in healthy subjects, an in vitro experiment was carried out using monocyte in three different conditions: extreme hyperglycemia (HG), euglycemia (EG) and in the absence of glucose...
2017: Diabetology & Metabolic Syndrome
https://www.readbyqxmd.com/read/28729833/altered-neuronal-activity-topography-markers-in-the-elderly-with-increased-atherosclerosis
#9
Takashi Shibata, Toshimitu Musha, Yukio Kosugi, Michiya Kubo, Yukio Horie, Naoya Kuwayama, Satoshi Kuroda, Karin Hayashi, Yohei Kobayashi, Mieko Tanaka, Haruyasu Matsuzaki, Kiyotaka Nemoto, Takashi Asada
Background: Previously, we reported on vascular cognitive impairment (VCI) templates, consisting of patients with VCI associated with carotid stenosis (>60%) using a quantitative electroencephalographic (EEG) technique called neuronal activity topography (NAT). Here using the VCI templates, we investigated the hypothesis that internal carotid artery-intima-media thickness (ICA-IMT) is associated with EEG spectrum intensity (sNAT) and spectrum steepness (vNAT). Methods: A total of 221 community-dwelling elderly subjects were recruited...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28729727/senescent-cells-an-emerging-target-for-diseases-of-ageing
#10
REVIEW
Bennett G Childs, Martina Gluscevic, Darren J Baker, Remi-Martin Laberge, Dan Marquess, Jamie Dananberg, Jan M van Deursen
Chronological age represents the single greatest risk factor for human disease. One plausible explanation for this correlation is that mechanisms that drive ageing might also promote age-related diseases. Cellular senescence, which is a permanent state of cell cycle arrest induced by cellular stress, has recently emerged as a fundamental ageing mechanism that also contributes to diseases of late life, including cancer, atherosclerosis and osteoarthritis. Therapeutic strategies that safely interfere with the detrimental effects of cellular senescence, such as the selective elimination of senescent cells (SNCs) or the disruption of the SNC secretome, are gaining significant attention, with several programmes now nearing human clinical studies...
July 21, 2017: Nature Reviews. Drug Discovery
https://www.readbyqxmd.com/read/28729463/dietary-pufas-attenuate-nlrp3-inflammasome-activation-via-enhancing-macrophage-autophagy
#11
Lulu Shen, Yan Yang, Tiantong Ou, Chia-Chi C Key, Sarah H Tong, Russel C Sequeira, Jonathan M Nelson, Yan Nie, Zhan Wang, Elena Boudyguina, Swapnil V Shewale, Xuewei Zhu
Dietary PUFAs reduce atherosclerosis and macrophage inflammation, but how NLRP3 inflammasome activation and autophagy influence PUFA-mediated atheroprotection is poorly understood. We fed Ldlr-/- mice diets containing 10% (calories) palm oil (PO) and 0.2% cholesterol, supplemented with an additional 10% of calories as PO, fish oil (FO), echium oil (EO, containing 18:4 n-3), or borage oil (BO, containing 18:3 n-6). Inflammasome activation, autophagic flux, and mitochondrial function were measured in peritoneal macrophages, blood monocytes, or liver from diet-fed mice...
July 20, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28729408/femoral-artery-atherosclerosis-is-associated-with-physical-function-across-the-spectrum-of-the-ankle-brachial-index-the-san-diego-population-study
#12
Christina L Wassel, Alicia M Ellis, Natalie C Suder, Emma Barinas-Mitchell, Dena E Rifkin, Nketi I Forbang, Julie O Denenberg, Antoinette M Marasco, Belinda J McQuaide, Nancy S Jenny, Matthew A Allison, Joachim H Ix, Michael H Criqui
BACKGROUND: The ankle-brachial index (ABI) is inadequate to detect early-stage atherosclerotic disease, when interventions to prevent functional decline may be the most effective. We determined associations of femoral artery atherosclerosis with physical functioning, across the spectrum of the ABI, and within the normal ABI range. METHODS AND RESULTS: In 2007-2011, 1103 multiethnic men and women participated in the San Diego Population Study, and completed all components of the summary performance score...
July 20, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28729366/recommendation-on-design-execution-and-reporting-of-animal-atherosclerosis-studies-a-scientific-statement-from-the-american-heart-association
#13
REVIEW
Alan Daugherty, Alan R Tall, Mat J A P Daemen, Erling Falk, Edward A Fisher, Guillermo García-Cardeña, Aldons J Lusis, A Phillip Owens, Michael E Rosenfeld, Renu Virmani
Animal studies are a foundation for defining mechanisms of atherosclerosis and potential targets of drugs to prevent lesion development or reverse the disease. In the current literature, it is common to see contradictions of outcomes in animal studies from different research groups, leading to the paucity of extrapolations of experimental findings into understanding the human disease. The purpose of this statement is to provide guidelines for development and execution of experimental design and interpretation in animal studies...
July 20, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28729353/recommendation-on-design-execution-and-reporting-of-animal-atherosclerosis-studies-a-scientific-statement-from-the-american-heart-association
#14
REVIEW
Alan Daugherty, Alan R Tall, Mat J A P Daemen, Erling Falk, Edward A Fisher, Guillermo García-Cardeña, Aldons J Lusis, A Phillip Owens, Michael E Rosenfeld, Renu Virmani
Animal studies are a foundation for defining mechanisms of atherosclerosis and potential targets of drugs to prevent lesion development or reverse the disease. In the current literature, it is common to see contradictions of outcomes in animal studies from different research groups, leading to the paucity of extrapolations of experimental findings into understanding the human disease. The purpose of this statement is to provide guidelines for development and execution of experimental design and interpretation in animal studies...
July 20, 2017: Circulation Research
https://www.readbyqxmd.com/read/28729181/expression-of-cyp4v2-in-human-thp1-macrophages-and-its-transcriptional-regulation-by-peroxisome-proliferator-activated-receptor-gamma
#15
Myeongjin Yi, Jae-Gook Shin, Su-Jun Lee
Because macrophages respond to a variety of pathological and pharmacological reagents, understanding the role of P450s in macrophages is important for therapeutic intervention. There has been a lack of research on CYP4 in macrophages, but fatty acid accumulation and lipid trafficking in macrophages have been suggested to be a main cause of atherosclerosis. All human CYP4 genes (n=12) were screened in THP1 macrophages by gene-specific reverse transcriptase-polymerase chain reaction (RT-PCR). Only CYP4V2 exhibited strong expression of both mRNA and protein...
July 17, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28728850/decline-in-risk-of-recurrent-cardiovascular-events-in-the-period-1996-to-2014-partly-explained-by-better-treatment-of-risk-factors-and-less-subclinical-atherosclerosis
#16
Gijs F N Berkelmans, Yolanda van der Graaf, Jannick A N Dorresteijn, Gert Jan de Borst, Maarten J Cramer, L Jaap Kappelle, Jan Westerink, Frank L J Visseren
BACKGROUND: To quantify the decline in recurrent major cardiovascular events (MCVE) risk in patients with clinically manifest vascular disease between 1996 and 2014 and to assess whether the improvements in recurrent MCVE-risk can be explained by reduced prevalence of risk factors, more medication use and less subclinical atherosclerosis. METHODS AND RESULTS: The study was conducted in the Second Manifestations of ARTerial disease (SMART) cohort in patients entering the cohort in the period 1996-2014...
July 14, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28728756/circulating-soluble-urokinase-plasminogen-activator-receptor-levels-and-peripheral-arterial-disease-outcomes
#17
Ayman Samman Tahhan, Salim S Hayek, Pratik Sandesara, Jamal Hajjari, Muhammad Hammadah, Wesley T O'Neal, Heval M Kelli, Ayman Alkhoder, Nima Ghasemzadeh, Yi-An Ko, Hiroshi Aida, Mohamad Mazen Gafeer, Naser Abdelhadi, Kareem Hosny Mohammed, Keyur Patel, Shipra Arya, Jochen Reiser, Viola Vaccarino, Laurence Sperling, Arshed Quyyumi
BACKGROUND AND AIMS: Circulating soluble urokinase plasminogen activator receptor (suPAR) is a marker of immune activation associated with atherosclerosis. Whether suPAR levels are associated with prevalent peripheral arterial disease (PAD) and its adverse outcomes remains unknown and is the aim of the study. METHODS: SuPAR levels were measured in 5810 patients (mean age 63 years, 63% male, 77% with obstructive coronary artery disease [CAD]) undergoing cardiac catheterization...
June 8, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28728579/circulating-sortilin-level-as-a-potential-biomarker-for-coronary-atherosclerosis-and-diabetes-mellitus
#18
Tae Jung Oh, Chang Ho Ahn, Bo-Rahm Kim, Kyoung Min Kim, Jae Hoon Moon, Soo Lim, Kyong Soo Park, Cheong Lim, HakChul Jang, Sung Hee Choi
CONTEXT: A previous genome-wide association study showed that a genetic variant of sortilin was associated with the risk of coronary artery disease (CAD). However, the role of circulating sortilin is still unknown. We investigated the potential role of plasma sortilin as a biomarker for CAD and diabetes mellitus. METHODS: We enrolled statin-naïve subjects with CAD (n = 31) who underwent coronary artery bypass surgery and control subjects (n = 116) who were free from CAD as evaluated by coronary CT angiography...
July 20, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28728481/feasibility-of-two-dimensional-speckle-tracking-in-evaluation-of-arterial-stiffness-comparison-with-pulse-wave-velocity-and-conventional-sonographic-markers-of-atherosclerosis
#19
Michał Podgórski, Piotr Grzelak, Magdalena Kaczmarska, Michał Polguj, Maciej Łukaszewski, Ludomir Stefańczyk
Objective Arterial stiffening is an early marker of atherosclerosis that has a prognostic value for cardiovascular morbidity and mortality. Although many markers of arterial hardening have been proposed, the search is on for newer, more user-friendly and reliable surrogates. One such potential candidate has emerged from cardiology, the speckle-tracking technique. The aim of this study was to evaluate the feasibility of the two-dimensional speckle tracking for the evaluation of arterial wall stiffness in comparison with standard stiffness parameters...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/28728352/the-association-between-physical-activity-and-atrial-fibrillation-applying-heaviside-function-in-survival-analysis-the-multi-ethnic-study-of-atherosclerosis-mesa
#20
Yaser Mokhayeri, Seyed Saeed Hashemi Nazari, Mohammad Ali Mansournia, Hamid Soori, Soheila Khodakarim
Objectives: Although the effect of physical activity (PA) on the incidence of atrial fibrillation (AF) has been studied, contradictory results have been reported. These seemingly different results may reflect alternate effects of different types of PA upon AF as well as gender interactions. Therefore, we aimed to evaluate the association of PA types namely total, moderate/vigorous, intentional, as well as walking pace on AF risk, in men and women. Methods: Using the MESA Typical Week Physical Activity Survey, three PA measures and walking pace among 6487 men and women aged 45-84 years were calculated...
June 18, 2017: Epidemiology and Health
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