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Inflammation, atherosclerosis

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https://www.readbyqxmd.com/read/28238834/identification-of-potential-target-genes-of-ror-alpha-in-thp1-and-huvec-cell-lines
#1
Cagri Gulec, Neslihan Coban, Bilge Ozsait-Selcuk, Sema Sirma-Ekmekci, Ozlem Yildirim, Nihan Erginel-Unaltuna
ROR-alpha is a nuclear receptor, activity of which can be modulated by natural or synthetic ligands. Due to its possible involvement in, and potential therapeutic target for atherosclerosis, we aimed to identify ROR-alpha target genes in monocyte and endothelial cell lines. We performed chromatin immunoprecipitation (ChIP) followed by tiling array (ChIP-on-chip) for ROR-alpha in monocytic cell line THP1 and endothelial cell line HUVEC. Following bioinformatic analysis of the array data, we tested four candidate genes in terms of dependence of their expression level on ligand-mediated ROR-alpha activity, and two of them in terms of promoter occupancy by ROR-alpha...
February 23, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28237909/the-relationship-between-smoking-intensity-and-subclinical-cardiovascular-injury-the-multi-ethnic-study-of-atherosclerosis-mesa
#2
Mahmoud Al Rifai, Andrew P DeFillippis, John W McEvoy, Michael E Hall, Ana Navas Acien, Miranda R Jones, Rachel Keith, Hoda S Magid, Carlos J Rodriguez, Graham R Barr, Emelia J Benjamin, Rose Marie Robertson, Aruni Bhatnagar, Michael J Blaha
BACKGROUND AND AIMS: Modern tobacco regulatory science requires an understanding of which biomarkers of cardiovascular injury are most sensitive to cigarette smoking exposure. METHODS: We studied self-reported current smokers from the Multi-Ethnic Study of Atherosclerosis. Smoking intensity was defined by number of cigarettes/day and urinary cotinine levels. Subclinical cardiovascular injury was assessed using markers of inflammation [high-sensitivity C-reactive protein (hsCRP), interleukin 6 & 2 (IL-2 & IL-6), tumor necrosis factor alpha (TNF-α)], thrombosis (fibrinogen, D-dimer, homocysteine), myocardial injury (troponin T; TnT), endothelial damage (albumin: creatinine ratio), and vascular function [aortic & carotid distensibility, flow-mediated dilation (FMD)]...
January 19, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28237179/translating-the-biology-of-adipokines-in-atherosclerosis-and-cardiovascular-diseases-gaps-and-open-questions
#3
REVIEW
M Ruscica, A Baragetti, A L Catapano, G D Norata
AIM: Critically discuss the available data, to identify the current gaps and to provide key concepts that will help clinicians in translating the biology of adipokines in the context of atherosclerosis and cardio-metabolic diseases. DATA SYNTHESIS: Adipose tissue is nowadays recognized as an active endocrine organ, a function related to the ability to secrete adipokines (such as leptin and adiponectin) and pro-inflammatory cytokines (tumor necrosis factor alpha and resistin)...
December 23, 2016: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/28236429/adiponectin-improves-endothelial-function-in-mesenteric-arteries-of-high-fat-fed-wistar-rats-role-of-perivascular-adipose-tissue
#4
Cristina M Sena, Ana Pereira, Rosa Fernandes, Liliana Letra, Raquel M Seiça
BACKGROUND AND PURPOSE: Adiponectin, the most abundant peptide secreted by adipocytes, is involved in the regulation of energy metabolism and vascular physiology. Thus, we investigated the effects of exogenous administration of adiponectin on metabolism, vascular reactivity and perivascular adipose tissue (PVAT) of rat mesenteric arteries in high-fat fed Wistar rats. EXPERIMENTAL APPROACH: The effects of adiponectin were investigated on nitric oxide (NO)-dependent and independent vasorelaxation in isolated rat mesenteric arteries from 12-month-old male Wistar rats fed with high-fat diet during 4 months (HFD) and compared with age-matched control Wistar rats (W12m)...
February 25, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28229168/cd14-cd16-nonclassical-monocytes-are-associated-with-endothelial-dysfunction-in-patients-with-coronary-artery-disease
#5
Karol Urbanski, Dominik Ludew, Grzegorz Filip, Magdalena Filip, Agnieszka Sagan, Piotr Szczepaniak, Grzegorz Grudzien, Jerzy Sadowski, Barbara Jasiewicz-Honkisz, Tomasz Sliwa, Boguslaw Kapelak, Eilidh McGinnigle, Tomasz Mikolajczyk, Tomasz J Guzik
Endothelial dysfunction and inflammation are key mechanisms of vascular disease. We hypothesised that heterogeneity of monocyte subpopulations may be related to the development of vascular dysfunction in coronary artery disease (CAD). Therefore, we examined the relationships between monocyte subsets (CD14(++)CD16(-) "classical - Mon1", CD14(++)CD16(+) "intermediate - Mon2" and CD14(+)CD16(++) "nonclassical - Mon3"), endothelial function and risk factor profiles in 130 patients with CAD undergoing coronary artery bypass grafting...
February 23, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28225990/visceral-adiposity-index-and-triglyceride-high-density-lipoprotein-cholesterol-ratio-in-hypogonadism
#6
Cem Haymana, Alper Sonmez, Aydogan Aydogdu, Serkan Tapan, Yalcin Basaran, Coskun Meric, Kamil Baskoy, Mustafa Dinc, Mahmut Yazici, Abdullah Taslipinar, Cem Barcin, Mahmut Ilker Yilmaz, Erol Bolu, Omer Azal
Background: Cardiometabolic risk is high in patients with hypogonadism. Visceral adiposity index (VAI) and triglyceride/high-density lipoprotein cholesterol (TG/HDL-C) ratio are the practical markers of atherosclerosis and insulin resistance and independent predictors of cardiaovascular risk. To date, no study has evaluated VAI levels and TG/HDL-C ratio in hypogonadism. Subjects and methods: A total of 112 patients with congenital hypogonadotrophic hypogonadism (CHH) (mean age, 21...
February 13, 2017: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28224128/upregulation-of-th-il-17-pathway-related-genes-in-human-coronary-endothelial-cells-stimulated-with-serum-of-patients-with-acute-coronary-syndromes
#7
Giovanni Cimmino, Loreta Pia Ciuffreda, Giovanni Ciccarelli, Paolo Calabrò, Fiorella Angelica Valeria Ferraiolo, Alessia Rivellino, Raffaele De Palma, Paolo Golino, Francesco Rossi, Plinio Cirillo, Liberato Berrino
BACKGROUND: Inflammation plays an essential role in the development and complications of atherosclerosis plaques, including acute coronary syndromes (ACS). Indeed, previous reports have shown that within the coronary circulation of ACS patients, several soluble mediators are released. Moreover, it has been demonstrated that endothelial dysfunction might play an important role in atherosclerosis as well as ACS pathophysiology. However, the mechanisms by which these soluble mediators might affect endothelial functions are still largely unknown...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28223414/the-flavonoid-cyanidin-blocks-binding-of-the-cytokine-interleukin-17a-to-the-il-17ra-subunit-to-alleviate-inflammation-in-vivo
#8
Caini Liu, Liang Zhu, Koichi Fukuda, Suidong Ouyang, Xing Chen, Chenhui Wang, Cun-Jin Zhang, Bradley Martin, Chunfang Gu, Luke Qin, Suguna Rachakonda, Mark Aronica, Jun Qin, Xiaoxia Li
Cyanidin, a key flavonoid that is present in red berries and other fruits, attenuates the development of several diseases, including asthma, diabetes, atherosclerosis, and cancer, through its anti-inflammatory effects. We investigated the molecular basis of cyanidin action. Through a structure-based search for small molecules that inhibit signaling by the proinflammatory cytokine interleukin-17A (IL-17A), we found that cyanidin specifically recognizes an IL-17A binding site in the IL-17A receptor subunit (IL-17RA) and inhibits the IL-17A/IL-17RA interaction...
February 21, 2017: Science Signaling
https://www.readbyqxmd.com/read/28223234/advanced-glycation-end-products-produced-systemically-and-by-macrophages-a-common-contributor-to-inflammation-and-degenerative-diseases
#9
REVIEW
Kyunghee Byun, YongCheol Yoo, Myeongjoo Son, Jaesuk Lee, Goo-Bo Jeong, Young Mok Park, Ghasem Hosseini Salekdeh, Bonghee Lee
Advanced glycation end products (AGEs) and their receptor have been implicated in the progressions of many intractable diseases, such as diabetes and atherosclerosis, and are also critical for pathologic changes in chronic degenerative diseases, such as Alzheimer's disease, Parkinson's disease, and alcoholic brain damage. Recently activated macrophages were found to be a source of AGEs, and the most abundant form of AGEs, AGE-albumin excreted by macrophages has been implicated in these diseases and to act through common pathways...
February 13, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28223025/transcriptional-regulation-of-human-paraoxonase-1-by-nuclear-receptors
#10
REVIEW
N Ponce-Ruiz, F E Murillo-González, A E Rojas-García, Mike Mackness, Y Y Bernal-Hernández, B S Barrón-Vivanco, C A González-Arias, I M Medina-Díaz
Paraoxonase 1 (PON1) is a calcium-dependent esterase synthesized primarily in the liver and secreted into the plasma, where it is associates with high density lipoproteins (HDL). PON1 acts as antioxidant preventing low-density lipoprotein (LDL) oxidation which is believed to be critical in the initiation and progression of atherosclerosis. Additionally, PON1 hydrolyzes and detoxifies some toxic metabolites of organophosphorus compounds (OPs). Thus, PON1 activity and expression levels are important for determining susceptibility to OPs intoxication and risk of diseases related to inflammation and oxidative stress...
February 18, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28219919/dickkopf-3-ablation-attenuates-the-development-of-atherosclerosis-in-apoe-deficient-mice
#11
Wen-Lin Cheng, Yang Yang, Xiao-Jing Zhang, Junhong Guo, Jun Gong, Fu-Han Gong, Zhi-Gang She, Zan Huang, Hao Xia, Hongliang Li
BACKGROUND: Dickkopf-3 (DKK3) is a negative regulator of the Wnt/β-catenin signaling pathway, which is involved in inflammation. However, little is known about the relationship between DKK3 expression and the progression of atherosclerosis. The aim of the present study was to define the role of DKK3 and its potential mechanism in the development of atherosclerosis. METHODS AND RESULTS: Immunofluorescence analysis showed that DKK3 was strongly expressed in macrophages of atherosclerotic plaques from patients with coronary heart disease and in hyperlipidemic mice...
February 20, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28218579/effect-of-obstructive-sleep-apnea-on-carotid-artery-intima-media-thickness-related-to-inflammation
#12
Delei Kong, Zheng Qin, Wei Wang, Jian Kang
PURPOSE: Obstructive sleep apnea hypopnea syndrome (OSAHS) is an independent risk factor for atherosclerosis. To ascertain the effect of OSAHS on the development of atherosclerosis in Chinese OSAHS patients, we evaluated markers of atherosclerosis as well as vascular endothelial function and inflammation. METHODS: Chinese men with polysomnography-diagnosed OSAHS were subgrouped into mild-moderate (n = 28) and severe (n = 54) OSAHS groups on the basis of apnea hypopnea index (AHI) scores...
February 19, 2017: Clinical and Investigative Medicine. Médecine Clinique et Experimentale
https://www.readbyqxmd.com/read/28217098/quercetin-inhibits-lps-induced-inflammation-and-ox-ldl-induced-lipid-deposition
#13
Feng Xue, Xiaobo Nie, Jianping Shi, Qingxue Liu, Ziwei Wang, Xiting Li, Jinqiu Zhou, Jia Su, Mingming Xue, Wei-Dong Chen, Yan-Dong Wang
Aberrant activation of inflammation and excess accumulation of lipids play crucial role in the occurrence and progression of atherosclerosis (AS). Quercetin (QCT) has been tested effectively to cure AS. It is widely distributed in plant foods and has been proved to have potential antioxidative and anticancer activities. However, the underlying molecular mechanisms of OCT in AS are not completely understood. In the present study, we stimulated murine RAW264.7 cells with lipopolysaccharide (LPS) or oxidized low-density lipoproteins (ox-LDL) to mimic the development of AS...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28215108/antithrombotic-therapy-in-aortic-diseases-a-narrative-review
#14
Francois Caron, Sonia S Anand
Aortic diseases are a heterogeneous group of disorders, including atherothrombotic conditions like aortic atheroma, cholesterol embolization syndrome, aortic mural thrombus, thrombus within an aneurysm, and large vessel vasculitis. In this review, we provide a summary of the current evidence regarding atherothrombotic diseases of the aorta, focusing on therapeutic avenues. In patients with previous stroke, aortic arch atheroma is recognized as a strong predictor of recurrent atheroembolism, and antiplatelet therapy alone is still associated with a high (11...
February 2017: Vascular Medicine
https://www.readbyqxmd.com/read/28213977/mitochondria-targeted-esculetin-inhibits-pai-1-levels-by-modulating-stat3-activation-and-mir-19b-via-sirt3-role-in-acute-coronary-artery-syndrome
#15
Sujana Katta, Santosh Karnewar, Devayani Panuganti, Mahesh Kumar Jerald, Sastry B K, Srigiridhar Kotamraju
In this study, we explored the microRNAs responsible for the regulation of PAI-1 during LPS-stimulated inflammation in human aortic endothelial cells, subsequently studied the effect of a newly synthesized mitochondria-targeted esculetin (Mito-Esc) that was shown for its anti-atherosclerotic potential in modulating PAI-1 levels and its targeted miRs during angiotensin-II-induced atherosclerosis in ApoE(-/-) mice. LPS-stimulated PAI-1 was accompanied with an upregulation of miR-19b and down-regulation of miR-30c...
February 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28212521/angiogenesis-in-the-atherosclerotic-plaque
#16
REVIEW
Caroline Camaré, Mélanie Pucelle, Anne Nègre-Salvayre, Robert Salvayre
Atherosclerosis is a multifocal alteration of the vascular wall of medium and large arteries characterized by a local accumulation of cholesterol and non-resolving inflammation. Atherothrombotic complications are the leading cause of disability and mortality in western countries. Neovascularization in atherosclerotic lesions plays a major role in plaque growth and instability. The angiogenic process is mediated by classical angiogenic factors and by additional factors specific to atherosclerotic angiogenesis...
February 1, 2017: Redox Biology
https://www.readbyqxmd.com/read/28211170/endothelial-glycocalyx-as-a-critical-signalling-platform-integrating-the-extracellular-haemodynamic-forces-and-chemical-signalling
#17
REVIEW
Ye Zeng
The glycocalyx covers the human mammalian cells and plays important roles in stroke, inflammation and atherosclerosis. It has also been shown to be involved in endothelial mechanotransduction of shear stress. Shear stress induces the remodelling of the major component of the glycocalyx including glypican-1, a cell membrane heparan sulphate proteoglycan. Other factors, such as sphingosine-1-phosphate (S1P), protect the glycocalyx against syndecan-1 ectodomain shedding and induce the synthesis of heparan sulphate...
February 17, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28209562/vinexin-%C3%AE-ablation-inhibits-atherosclerosis-in-apolipoprotein-e-deficient-mice-by-inactivating-the-akt-nuclear-factor-%C3%AE%C2%BAb-inflammatory-axis
#18
Hongjing Guan, Wen-Lin Cheng, Junhong Guo, Meng-Lin Chao, Yan Zhang, Jun Gong, Xue-Yong Zhu, Zhi-Gang She, Zan Huang, Hongliang Li
BACKGROUND: Vinexin β is a novel adaptor protein that regulates cellular adhesion, cytoskeletal reorganization, signal transduction, and transcription; however, the exact role that vinexin β plays in atherosclerosis remains unknown. METHODS AND RESULTS: Immunoblot analysis showed that vinexin β expression is upregulated in the atherosclerotic lesions of both patients with coronary heart disease and hyperlipemic apolipoprotein E-deficient mice and is primarily localized in macrophages indicated by immunofluorescence staining...
February 16, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28207191/cysteine-proteases-in-atherosclerosis
#19
REVIEW
Tommy Weiss Sadan, Israel Gotsman, Galia Blum
Atherosclerosis predisposes patients to cardiovascular diseases, such as myocardial infarction and stroke. Instigation of vascular injury is triggered by retention of lipids and inflammatory cells in the vascular endothelium. Whereas these vascular lesions develop in young adults and are mostly considered harmless, over time persistent inflammatory and remodeling processes will ultimately damage the arterial wall and cause a thrombotic event due to exposure of tissue factors into the lumen. Evidence from human tissues and pre-clinical animal models have clearly established the role of cathepsin cysteine proteases in the development and progression of vascular lesions...
February 16, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28205331/new-insights-to-the-mechanisms-underlying-atherosclerosis-in-rheumatoid-arthritis
#20
REVIEW
Mahdi Mahmoudi, Saeed Aslani, Reza Fadaei, Ahmad Reza Jamshidi
Rheumatoid arthritis (RA) is an inflammatory circumstance, which has been associated with increased risk of cardiovascular disease (CVD). Although RA management has been promoted, mortality rate due to CVD remains remarkable. Approximately, 50% of premature death cases in RA are attributable to CVD. RA patients develop atherosclerosis in a greater amount than the general population. Moreover, atherosclerotic lesions develop rapidly in RA patients and might be more susceptible to rupture. The inflammatory condition of RA, such as cytokines, abnormally activated immune cells, play a role in the initiation, perpetuation and exacerbation of atherosclerosis...
February 16, 2017: International Journal of Rheumatic Diseases
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