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Peripheral blood and atherosclerosis

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https://www.readbyqxmd.com/read/28802571/omega-3-polyunsaturated-fatty-acids-improve-endothelial-function-in-humans-at-risk-for-atherosclerosis-a-review
#1
REVIEW
Kayla R Zehr, Mary K Walker
Epidemiology studies and clinical trials show that omega-3 polyunsaturated fatty acids (n-3 PUFAs) can prevent atherosclerotic morbidity and evidence suggests this may be mediated by improving endothelial dysfunction. Endothelial dysfunction is characterized by reduced vasodilation and a pro-inflammatory, pro-thrombotic state, and is an early pathological event in the development of atherosclerosis. Flow-mediated dilation (FMD), a gold standard for assessing endothelial dysfunction, is a predictor of future cardiovascular events and coronary heart disease risk...
August 9, 2017: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/28801363/l-selectin-promotes-the-maturation-of-dendritic-cells-via-up-regulation-the-expression-of-tlr4-in-vitro
#2
Zhishuai Ye, Jia Liu, Jie Zheng, Jianing Zhang, Rongchong Huang
The relationship between dendritic cells (DCs) and L-selectin in the progress of atherosclerosis is unclear. Here, we used L-selectin co-cultured with DCs to investigate the effect of L-selectin on the maturation of DCs in vitro Monocytes derived DCs were isolated and cultured from human peripheral blood. After being stimulated with L-selectin and/or its antagonist for 24-48 hours, the feather of cells was observed by the electron microscope. The expression of mature antigens CD1a, CD80, CD83, and CD86 were investigated by flow cytometric analysis (FACS)...
August 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/28777829/identification-of-an-early-transcriptomic-signature-of-insulin-resistance-and-related-diseases-in-lymphomonocytes-of-healthy-subjects
#3
Alice Matone, Eleonora Derlindati, Luca Marchetti, Valentina Spigoni, Alessandra Dei Cas, Barbara Montanini, Diego Ardigò, Ivana Zavaroni, Corrado Priami, Riccardo C Bonadonna
Insulin resistance is considered to be a pathogenetic mechanism in several and diverse diseases (e.g. type 2 diabetes, atherosclerosis) often antedating them in apparently healthy subjects. The aim of this study is to investigate with a microarray based approach whether IR per se is characterized by a specific pattern of gene expression. For this purpose we analyzed the transcriptomic profile of peripheral blood mononuclear cells in two groups (10 subjects each) of healthy individuals, with extreme insulin resistance or sensitivity, matched for BMI, age and gender, selected within the MultiKnowledge Study cohort (n = 148)...
2017: PloS One
https://www.readbyqxmd.com/read/28762907/-subpopulation-composition-of-cd4-t-lymphocytes-as-factor-contributing-to-the-progression-of-atherosclerosis-of-carotid-arteries
#4
A Yu Filatova, E A Pylaeva, A V Potekhina, A K Osokina, O A Pogorelova, M I Tripoten, T V Balakhonova, S I Provatorov, E A Noeva, E A Klesareva, O I Afanasieva, T I Arefieva
AIM: to assess prognostic significance of blood content of regulatory and effector T-lymphocytes for progression of atherosclerosis (AS) of carotid arteries. MATERIAL AND METHODS: We enrolled in this study 33 men with various severity of carotid AS. Carotid artery duplex scan was done at admission and in 1 year after enrollment. AS progression was defined as appearance of novel stenosis in common or internal carotid artery or more or equal 5% increase of preexisting stenosis...
April 2017: Kardiologiia
https://www.readbyqxmd.com/read/28757538/the-roles-of-hypoxia-signaling-in-the-pathogenesis-of-cardiovascular-diseases
#5
Hajime Abe, Hiroaki Semba, Norihiko Takeda
The circulatory system distributes blood flow to each tissue and transports oxygen and nutrients. Peripheral circulation is required to maintain the physiological function in each tissue. Disturbance of circulation, therefore, decreases oxygen delivery, leading to tissue hypoxia which takes place in several cardiovascular disorders including atherosclerosis, pulmonary arterial hypertension and heart failure. While tissue hypoxia can be induced because of cardiovascular disorders, hypoxia signaling itself has a potential to modulate tissue remodeling processes or the severity of the cardiovascular disorders...
July 28, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28707728/association-of-adenylate-cyclase-associated-protein-1-with-coronary-artery-disease
#6
J Munjas, M Sopić, V Spasojević-Kalimanovksa, D Kalimanovska-Oštrić, K Anđelković, Z Jelić-Ivanović
INTRODUCTION: Adenylate cyclase-associated protein 1 (CAP1) is a recently identified receptor for human resistin. Since resistin has been related to CAD development and progression and CAP1 has never been evaluated in CAD, the aim of this study was to determine its peripheral blood mononuclear cells (PBMCs) mRNA in CAD patients, and resistin plasma concentration, PBMCs resistin and CD36 mRNA,considering resistin's ability to stimulate CD36 expression in vitro METHODS: This case-controlled study included 27 healthy subjects (CG) and 66 patients requiring coronary angiography...
July 14, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28692121/molecular-analysis-of-the-gstt1-gene-polymorphism-in-patients-with-clinical-manifestation-of-atherosclerosis
#7
J V M Martins, D A Rodrigues, K S F Silva, I R Costa, M H Lagares, F L Campedelli, A M Barbosa, M P Morais, K K V O Moura
Atherosclerosis is a chronic inflammatory disease formed by the accumulation of lipids in the innermost layer and large-caliber artery (tunica intima). This accumulation, along with platelet factors, stimulates the proliferation of muscle cells in this region. Over than 400 genes may be related to the pathology since they regulate endothelial function, coagulation, inflammation, metabolism of amino acids, lipids, and carbohydrates. Glutathione S-transferases (GST) are enzymes that catalyze the polymorphic detoxification of metabolites produced by oxidative stress within the cells, which is induced by reactive oxygen species...
July 6, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28683362/promoter-hypomethylation-of-microrna223-gene-is-associated-with-atherosclerotic-cerebral-infarction
#8
Zhibin Li, Fang Yu, Xiaoqing Zhou, Sian Zeng, Qiong Zhan, Mei Yuan, Qidong Yang, Yunhai Liu, Jian Xia
BACKGROUND AND AIMS: microRNA223 (miR-223) plays an important role in the development of atherosclerosis and ischemic stroke. It is involved in regulation of multiple physiological and pathophysiological processes such as cholesterol metabolism, endothelial cell (EC) function, and thrombosis. Here we investigated the role of methylation regulation of MIR-223 promoter region in atherosclerotic cerebral infarction (ACI) patients. METHODS: A total of 23 patients with ACI and 32 healthy individuals were recruited...
June 28, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28680027/transcriptional-activity-of-nuclear-factor%C3%A2-%C3%AE%C2%BAb-genes-in-peripheral-blood-mononuclear-cells-in-patients-with-early-atherosclerosis-preliminary-findings
#9
Mariusz Bałys, Józefa Dąbek, Zbigniew Gąsior
No abstract text is available yet for this article.
June 30, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/28677864/cd36-expression-in-peripheral-blood-mononuclear-cells-reflects-the-onset-of-atherosclerosis
#10
Burak Yazgan, Erdi Sozen, Betul Karademir, Seyfettin Ustunsoy, Umit Ince, Neven Zarkovic, Nesrin Kartal Ozer
Together with complex genetic and environmental factors, increased serum cholesterol and ox-LDL levels are considered as major triggering factors of atherosclerosis. Mononuclear cell infiltration to the arterial wall and uptake of ox-LDL, which is facilitated by CD36 receptor through an uncontrolled manner, play a key role in foam cell formation followed by atherogenesis development. The aim of this study was to analyze if CD36 expression in peripheral blood mononuclear cells reflect its aortic tissue level in hypercholesterolemia...
July 5, 2017: BioFactors
https://www.readbyqxmd.com/read/28660445/serum-adipocyte-fatty-acid-binding-protein-level-is-associated-with-arterial-stiffness-quantified-with-cardio-ankle-vascular-index-in-kidney-transplant-patients
#11
Yen-Cheng Chen, Bang-Gee Hsu, Chung-Jen Lee, Ching-Chun Ho, Guan-Jin Ho, Ming-Che Lee
BACKGROUND: Arterial stiffness is an established marker of cardiovascular risk and an independent predictor of cardiovascular disease (CVD) events and mortality in kidney transplant (KT) patients. Adipocyte fatty acid-binding protein (A-FABP), a novel adipokine, is positively associated with atherosclerosis. The present study evaluated the relationship between fasting circulating A-FABP and peripheral arterial stiffness using the cardio-ankle vascular index (CAVI) in KT patients. METHODS: Fasting blood samples were collected from 74 KT patients, and serum A-FABP levels were measured using an enzyme immunoassay...
June 28, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28647282/cxcl16-cxcr6-mediated-adhesion-of-human-peripheral-blood-mononuclear-cells-to-inflamed-endothelium
#12
Bona Linke, Sascha Meyer Dos Santos, Bettina Picard-Willems, Michael Keese, Sebastian Harder, Gerd Geisslinger, Klaus Scholich
The endothelial chemokine CXC motif ligand 16 (CXCL16) is involved in the recruitment and firm adhesion of CXCR6(+) cells to the atherosclerosis-prone aortic vessel wall. Recently we showed that CXCR6(+) platelets from flowing blood attach to CXCL16 expressed by activated endothelium on the luminal side of the blood vessel. With this study we supplement these findings with the observation that platelets bound to the inflamed endothelium are presenting CXCR6 to CXCL16-positive peripheral blood mononuclear cells (PBMCs) and, thus, are mediating an increased adhesion of PBMCs to the arterial wall...
June 21, 2017: Cytokine
https://www.readbyqxmd.com/read/28646123/expression-of-mir-23a-induces-telomere-shorteningand-is-associated-with-poor-clinical-outcomesin-patients-with-coronary-artery-disease
#13
Mamoru Satoh, Takahito Nasu, Yuji Takahashi, Takuya Osaki, Sho Hitomi, Yoshihiro Morino, Motoyuki Nakamura
Telomeric repeat binding factor 2 (TRF2) plays an important role in telomere maintenance. MicroRNA (miR)-23a may directly inhibit TRF2 expression, inducing telomere shortening and cellular senescence. This study aimed to determine whether miR-23a and TRF2 are expressed in patients with coronary artery disease (CAD), and whether pitavastatin might affect these levels. This study included 104 patients with CAD and 50 controls. Patients with CAD were randomly divided into two subgroups [a moderate lipid lowering therapy (LLT) group and an aggressive LLT group]...
June 23, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28636844/clonal-hematopoiesis-and-risk-of-atherosclerotic-cardiovascular-disease
#14
Siddhartha Jaiswal, Pradeep Natarajan, Alexander J Silver, Christopher J Gibson, Alexander G Bick, Eugenia Shvartz, Marie McConkey, Namrata Gupta, Stacey Gabriel, Diego Ardissino, Usman Baber, Roxana Mehran, Valentin Fuster, John Danesh, Philippe Frossard, Danish Saleheen, Olle Melander, Galina K Sukhova, Donna Neuberg, Peter Libby, Sekar Kathiresan, Benjamin L Ebert
BACKGROUND: Clonal hematopoiesis of indeterminate potential (CHIP), which is defined as the presence of an expanded somatic blood-cell clone in persons without other hematologic abnormalities, is common among older persons and is associated with an increased risk of hematologic cancer. We previously found preliminary evidence for an association between CHIP and atherosclerotic cardiovascular disease, but the nature of this association was unclear. METHODS: We used whole-exome sequencing to detect the presence of CHIP in peripheral-blood cells and associated such presence with coronary heart disease using samples from four case-control studies that together enrolled 4726 participants with coronary heart disease and 3529 controls...
July 13, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28633641/expression-levels-of-atherosclerosis-associated-mir-143-and-mir-145-in-the-plasma-of-patients-with-hyperhomocysteinaemia
#15
Kejian Liu, Saiyare Xuekelati, Yue Zhang, Yin Yin, Yue Li, Rui Chai, Xinwei Li, Yi Peng, Jiangdong Wu, Xiaomei Guo
BACKGROUND: An elevated level of homocysteine (Hcy) in the blood is designated hyperhomocysteinaemia (Hhcy) and is regarded as a strong risk factor for the development of atherosclerosis (ATH), although the association remains controversial. Considered to be essential gene expression regulators, micro-RNAs (miRNAs) modulate cardiovascular disease development and thus can be regarded as potential biomarkers and therapeutic targets in atherosclerosis. The aim of the current study is to investigate the expression levels of atherosclerosis-associated miR-143 and miR-145 in Hhcy patients and predict the progress of atherosclerosis in Hhcy patients...
June 20, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28627266/anti-inflammatory-effect-of-a-powder-formulation-of-coconut-inflorescence-sap-against-ox-ldl-induced-inflammatory-responses-in-human-peripheral-blood-mononuclear-cells-by-modulating-tlr-nf-%C3%B2-b-signaling-pathway
#16
Ratheesh M, Svenia P Jose, Asha S, Sandya S, Girish Kumar B, Krishnakumar Im
An inflammatory response induced by oxidized low density lipoprotein (ox-LDL) was reported to play an important role in the pathogenesis of atherosclerosis. The purpose of this study was to explore the anti-inflammatory effect of a novel powder formulation of coconut inflorescence sap (CSP) against ox-LDL induced inflammatory responses in human peripheral blood mononuclear cells (hPBMCs). The hPBMCs were isolated from healthy human volunteers and cultured in collagen coated plates at 37°C. The cells were grouped as Group I (Control), Group II (ox-LDL treated) and Group III (ox-LDL+CSP treated)...
June 19, 2017: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/28616545/assessment-of-various-parameters-using-simple-non-invasive-tests-in-patients-with-cardiovascular-diseases-with-or-without-cardiac-rehabilitation
#17
Takashi Ueda, Shin-Ichiro Miura, Kanta Fujimi, Toshihisa Ishida, Takuro Matsuda, Masaomi Fujita, Yoshiyuki Ura, Kouji Kaino, Maya Sakamoto, Tomoe Horita, Tadaaki Arimura, Yuhei Shiga, Takashi Kuwano, Ken Kitajima, Keijiro Saku
Cardiac rehabilitation (CR) improves cardiac function and exercise capacity in patients with cardiovascular disease (CVD). Simpler techniques are needed for use by physicians in the examination room to assess the usefulness of CR. We enrolled 46 consecutive CVD patients in a CR program (CR group) and prospectively followed them for 3 months. We compared them to 18 age-, gender- and body mass index-matched CVD patients without CR (non-CR group). Various parameters were measured at baseline and after 3 months using 3 simple non-invasive tests: severity of atherosclerosis [arterial velocity pulse index and arterial pressure volume index (API)] were determined using PASESA®, an autonomic nerve total activity amount index and a coefficient of variation of the R-R interval (CVRR) were determined using eHEART®, and peripheral resistance index, pressure rate product, stroke volume and cardiac index were determined using nico®]...
September 2016: IJC Heart & Vasculature
https://www.readbyqxmd.com/read/28611056/igf1-potentiates-the-pro-inflammatory-response-in-human-peripheral-blood-mononuclear-cells-via-mapk
#18
Thalijn Liliana Catharina Wolters, Mihai Gheorghe Netea, Ad R Hermus, Jan Wa Smit, Romana T Netea-Maier
Introduction: Acromegaly is characterized by growth hormone (GH) and Insulin-like Growth Factor 1 (IGF1) excess and is accompanied by an increased cardiovascular diseases (CVD) risk. As innate immune responses are crucial in CVD development, and IGF1 is linked to subclinical inflammation, we hypothesized that GH/IGF1 excess contributes to CVD development via potentiating systemic inflammation. We aimed to assess the effects of GH/IGF1 on inflammatory cytokine production. Methods: Whole blood from acromegaly patients and healthy volunteers, and peripheral blood mononuclear cells (PBMC) from healthy volunteers were stimulated with Toll-like receptor (TLR) ligands, with or without adding GH or IGF1 (in PBMC)...
June 13, 2017: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/28557988/synergy-of-circulating-mir-212-with-markers-for-cardiovascular-risks-to-enhance-estimation-of-atherosclerosis-presence
#19
Hye Seon Jeong, Jee-Yeon Kim, Seo Hyun Lee, Junha Hwang, Jong Wook Shin, Kyu Sang Song, Sukhoon Lee, Jei Kim
Synergy of specific microRNAs (miRNAs) with cardiovascular risk factors to estimate atherosclerosis presence in ischemic stroke patients has not been investigated. The present study aimed to identify atherosclerosis-related circulating miRNAs and to evaluate interaction with other cardiovascular markers to improve the estimation of atherosclerosis presence. We performed a miRNA profiling study using serum of 15 patients with acute ischemic stroke who were classified by the presence of no (n = 8) or severe (n = 7) stenosis on intracranial and extracranial vessels, which identified miR-212, -372, -454, and -744 as miRNAs related with atherosclerosis presence...
2017: PloS One
https://www.readbyqxmd.com/read/28540395/management-of-atherosclerosis-risk-factors-for-patients-at-high-cardiovascular-risk-in-the-real-world-practice-a-multicentre-study
#20
Arintaya Phrommintikul, Rungroj Krittayaphong, Wanwarang Wongcharoen, Sukit Yamwong, Smonporn Boonyaratavej, Rapeephon Kunjara-Na-Ayudhya, Pyatat Tatsanavivat, Piyamitr Sritara
INTRODUCTION: Atherosclerotic cardiovascular disease is a global health burden. However, there are heterogeneities among countries or regions regarding the risk factors and clinical manifestations of atherosclerotic diseases as well as their management patterns. METHODS: We collected data from 25 centres in Thailand. Patients with documented coronary artery disease or cerebrovascular disease or peripheral arterial disease, or with at least three atherosclerosis risk factors were enrolled between April 2011 and March 2014...
May 25, 2017: Singapore Medical Journal
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