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https://www.readbyqxmd.com/read/28715072/association-of-mean-platelet-volume-with-presence-of-non-viable-myocardium-in-ischemic-cardiomyopathy
#1
Semi Ozturk, Ahmed Seyfettin Gürbüz, Süleyman Çağan Efe, Mehmet Fatih Yılmaz, Özden Savaş Den Hartigh, Ferahnaz Çınaral Sayın, Cevat Kırma
BACKGROUND AND AIMS: Parameters derived from complete blood count such as mean platelet volume (MPV), neutrophil to lymphocyte (NLR), platelet to lymphocyte (PLR) are recently proposed as measures of inflammation in addition to C-reactive protein (CRP), a classical inflammatory marker. Significant association of these parameters with atherosclerosis and complications have increasingly been reported. Our aim is to evaluate relationship between these parameters and presence of myocardial viability assessed with positron emission tomography (PET) in patients with ischemic cardiomyopathy...
July 17, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28700678/correction-production-of-il-8-vegf-and-elastase-by-circulating-and-intraplaque-neutrophils-in-patients-with-carotid-atherosclerosis
#2
Franca Marino, Matteo Tozzi, Laura Schembri, Stefania Ferraro, Antonino Tarallo, Angela Scanzano, Massimiliano Legnaro, Patrizio Castelli, Marco Cosentino
[This corrects the article DOI: 10.1371/journal.pone.0124565.].
2017: PloS One
https://www.readbyqxmd.com/read/28684614/ubiquinol-effects-on-antiphospholipid-syndrome-prothrombotic-profile-a-randomized-placebo-controlled-trial
#3
Carlos Pérez-Sánchez, María Ángeles Aguirre, Patricia Ruiz-Limón, María Carmen Abalos-Aguilera, Yolanda Jiménez-Gómez, Iván Arias-de la Rosa, Antonio Rodriguez-Ariza, Lucía Fernández-Del Río, José Antonio Gonzalez-Reyes, Pedro Segui, Eduardo Collantes-Estévez, Nuria Barbarroja, Francisco Velasco, Savino Sciascia, Irene Cecchi, María José Cuadrado, José Manuel Villalba, Chary López-Pedrera
OBJECTIVE: Antiphospholipid syndrome (APS) leukocytes exhibit an oxidative perturbation, directly linked to alterations in mitochondrial dynamics and metabolism. This disturbance is related to the patients' prothrombotic status and can be prevented by in vitro treatment with coenzyme Q10. Our aim was to investigate short-term effects of in vivo ubiquinol (reduced coenzyme Q10[Qred]) supplementation on markers related to inflammation and thrombosis in APS through a prospective, randomized, crossover, placebo-controlled trial...
July 6, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28682809/mechanisms-of-erosion-of-atherosclerotic-plaques
#4
Thibaut Quillard, Grégory Franck, Thomas Mawson, Eduardo Folco, Peter Libby
PURPOSE OF REVIEW: The present review explores the mechanisms of superficial intimal erosion, a common cause of thrombotic complications of atherosclerosis. RECENT FINDINGS: Human coronary artery atheroma that give rise to thrombosis because of erosion differ diametrically from those associated with fibrous cap rupture. Eroded lesions characteristically contain few inflammatory cells, abundant extracellular matrix, and neutrophil extracellular traps (NETs). Innate immune mechanisms such as engagement of Toll-like receptor 2 (TLR2) on cultured endothelial cells can impair their viability, attachment, and ability to recover a wound...
July 5, 2017: Current Opinion in Lipidology
https://www.readbyqxmd.com/read/28672747/ngal-and-mmp-9-ngal-as-biomarkers-of-plaque-vulnerability-and-targets-of-statins-in-patients-with-carotid-atherosclerosis
#5
Wolf Eilenberg, Stefan Stojkovic, Alexandra Kaider, Nicolas Kozakowski, Christoph M Domenig, Christopher Burghuber, Josif Nanobachvili, Kurt Huber, Markus Klinger, Christoph Neumayer, Ihor Huk, Johann Wojta, Svitlana Demyanets
BACKGROUND: Neutrophil gelatinase associated lipocalin (NGAL) is expressed in atherosclerotic lesions and was recently implicated in the pathogenesis of cardiovascular pathologies. Statins are known to exert stabilizing effects on atherosclerotic plaque. The aims of our study were (1) to investigate the association of serum NGAL and metalloproteinase (MMP)-9/NGAL complex with the vulnerability of the atherosclerotic plaque, and (2) to reveal the effects of statin treatment on circulating NGAL and MMP-9/NGAL levels in patients with carotid artery stenosis...
June 26, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28672731/neutrophil-gelatinase-associated-lipocalin-as-a-risk-marker-in-cardiovascular-disease
#6
REVIEW
Zenthuja Sivalingam, Sanne Bøjet Larsen, Erik Lerkevang Grove, Anne-Mette Hvas, Steen Dalby Kristensen, Nils Erik Magnusson
Neutrophil gelatinase-associated lipocalin (NGAL) is a promising diagnostic biomarker of early acute kidney injury. Increasing evidence suggests that NGAL may also be involved in inflammatory processes in cardiovascular disease. NGAL modulates the enzymatic activity of matrix metalloproteinase-9 (MMP-9), which is an important mediator of plaque instability in atherosclerosis. The complex formation between NGAL and MMP-9 therefore suggests that NGAL might play a role in progression of atherothrombotic disease...
June 23, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28663097/interleukin-17a-in-atherosclerosis-regulation-and-pathophysiologic-effector-function
#7
Johannes Nordlohne, Sibylle von Vietinghoff
This review summarizes the current data on the interleukin (IL)-17A pathway in experimental atherosclerosis and clinical data. IL-17A is a prominent cytokine for early T cell response produced by both innate and adaptive leukocytes. In atherosclerosis, increased total IL-17A levels and expression in CD4(+) T helper and γδ T cells have been demonstrated. Cytokines including IL-6 and TGFβ that increase IL-17A expression are elevated. Many other factors such as lipids, glucose and sodium chloride concentrations as well as vitamins and arylhydrocarbon receptor agonists that promote IL-17A expression are closely associated with cardiovascular risk in the human population...
June 26, 2017: Cytokine
https://www.readbyqxmd.com/read/28634421/the-role-of-von-willebrand-factor-in-vascular-inflammation-from-pathogenesis-to-targeted-therapy
#8
REVIEW
Felice Gragnano, Simona Sperlongano, Enrica Golia, Francesco Natale, Renatomaria Bianchi, Mario Crisci, Fabio Fimiani, Ivana Pariggiano, Vincenzo Diana, Andreina Carbone, Arturo Cesaro, Claudia Concilio, Giuseppe Limongelli, Mariagiovanna Russo, Paolo Calabrò
Beyond its role in hemostasis, von Willebrand factor (VWF) is an emerging mediator of vascular inflammation. Recent studies highlight the involvement of VWF and its regulator, ADAMTS13, in mechanisms that underlie vascular inflammation and immunothrombosis, like leukocyte rolling, adhesion, and extravasation; vascular permeability; ischemia/reperfusion injury; complements activation; and NETosis. The VWF/ADAMTS13 axis is implicated in the pathogenesis of atherosclerosis, promoting plaque formation and inflammation through macrophage and neutrophil recruitment in inflamed lesions...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28615349/cftr-protects-against-vascular-inflammation-and-atherogenesis-in-apolipoprotein-e-deficient-mice
#9
Zhengzhang Li, Zhe Shen, Haoping Xue, Shi Cheng, Qun Ji, Yutan Liu, Xiangjun Yang
Atherosclerosis is a chronic inflammatory disease of the vascular wall. Dysfunction of cystic fibrosis transmembrane conductance regulator (CFTR) has been shown to result in inflammatory responses in cystic fibrosis (CF) patients. However, little is known about the role of CFTR in vascular inflammation and atherogenesis. Our results showed that CFTR was dominantly expressed in macrophages of atherosclerotic plaque and reduced in aorta and aortic sinus from atherosclerotic apolipoprotein E-deficient (apoE-/-) mice...
June 14, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28606749/cardiovascular-disease-in-systemic-lupus-erythematosus-a-comprehensive-update
#10
REVIEW
Mayra Giannelou, Clio P Mavragani
Heightened rates of both cardiovascular (CV) events and subclinical atherosclerosis, documented by imaging and vascular function techniques are well established in systemic lupus erythematosus (SLE). While traditional CV factors such as smoking, dyslipidemia, diabetes mellitus (DM), hypertension, central obesity and hyperhomocysteinemia have been reported to be prevalent in lupus patients, they do not fully explain the high rates of ischemic events so far reported, implying that other factors inherent to disease itself could account for the enhanced risk, including disease duration, activity and chronicity, psychosocial factors, medications, genetic variants and altered immunological mechanisms...
June 9, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28601234/comparison-of-echocardiographic-findings-in-patients-with-nonfunctioning-adrenal-incidentalomas
#11
Narin Nasıroglu Imga, Ozgul Ucar Elalmıs, Mazhar Muslum Tuna, Bercem Aycıcek Dogan, Deniz Sahın, Tugba Gursoy, Yavuz Yalcın, Dilek Berker, Serdar Guler
Adrenal incidentalomas (AIs) are usually discovered incidentally after imaging unrelated to adrenal glands. We aimed to evaluate standard risk factors for systemic atherosclerosis and echocardiographic changes in patients with nonfunctioning AIs and compare them with normal subjects. We evaluated 70 patients diagnosed with AIs and 51 healthy controls. Mean levels were determined for HbA1c, LDL, uric acid, fasting plasma insulin, HOMA, and neutrophil-to-lymphocyte ratio (NLR), and these values were found to be significantly higher in the patients than the controls...
June 2017: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/28596373/mitochondrial-oxidative-stress-promotes-atherosclerosis-and-neutrophil-extracellular-traps-in-aged-mice
#12
Ying Wang, Wei Wang, Nan Wang, Alan R Tall, Ira Tabas
RATIONALE: Mitochondrial oxidative stress (mitoOS) has been shown to be increased in various cell types in human atherosclerosis and with aging. However, the role of cell type-specific mitoOS in atherosclerosis in the setting of advanced age and the molecular mechanisms remains to be determined in vivo. OBJECTIVE: The aim of this study was to examine the role of myeloid cell mitoOS in atherosclerosis in aged mice. APPROACH AND RESULTS: Lethally irradiated low-density lipoprotein receptor-deficient mice (Ldlr(-/-) ) were reconstituted with bone marrow from either wild-type or mitochondrial catalase (mCAT) mice...
June 8, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28546078/doxycycline-affects-gene-expression-profiles-in-aortic-tissues-in-a-rat-model-of-vascular-calcification
#13
Hailin Lu, Wenhong Jiang, Han Yang, Zhong Qin, Si-En Guo, Ming Hu, Xiao Qin
Vitamin D3-induced vascular calcification (VC) in rats shares many phenotypical similarities with calcification occurring in human atherosclerosis, diabetes mellitus and chronic kidney disease, thereby it is a reliable model for identifying chemopreventive agents. Doxycycline has been shown to effectively attenuated VC. This study aimed to explore the effects of doxycycline on gene expression profiles in VC rats. The model of VC in rats was established by subcutaneous injection of vitamin D3 for 3days. Doxycycline at 120mgkg(-1)day(-1) was given via subcutaneous injection for 14days...
May 22, 2017: Microvascular Research
https://www.readbyqxmd.com/read/28523279/increased-neutrophil-extracellular-trap-formation-in-uremia-is-associated-with-chronic-inflammation-and-prevalent-coronary-artery-disease
#14
Jwa-Kyung Kim, Chang-Won Hong, Mi Jin Park, Young Rim Song, Hyung Jik Kim, Sung Gyun Kim
Background. Neutrophils are involved in the pathogenesis of atherosclerosis by neutrophil extracellular trap (NET) formation. We hypothesized that the NET formation of neutrophils might be changed in end-stage renal disease (ESRD) patients, explaining their higher incidence of coronary artery diseases (CAD). Method. A cross-sectional study was performed in 60 maintenance hemodialysis (MHD) patients, 30 age- and sex-matched healthy individuals (HV, negative control), and 30 patients with acute infection (positive control)...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28465139/diagnostic-potential-of-netosis-derived-products-for-disease-activity-atherosclerosis-and-therapeutic-effectiveness-in-rheumatoid-arthritis-patients
#15
C Pérez-Sánchez, P Ruiz-Limón, M A Aguirre, Y Jiménez-Gómez, I Arias-de la Rosa, M C Ábalos-Aguilera, A Rodriguez-Ariza, M C Castro-Villegas, R Ortega-Castro, P Segui, C Martinez, R Gonzalez-Conejero, S Rodríguez-López, J A Gonzalez-Reyes, J M Villalba, E Collantes-Estévez, A Escudero, N Barbarroja, Ch López-Pedrera
OBJECTIVES: 1) To assess the association of NETosis and NETosis-derived products with the activity of the disease and the development of cardiovascular disease in RA; 2) To evaluate the involvement of NETosis on the effects of biologic therapies such as anti-TNF alpha (Infliximab) and anti-IL6R drugs (Tocilizumab). METHODS: One hundred and six RA patients and 40 healthy donors were evaluated for the occurrence of NETosis. Carotid-intimae media thickness was analyzed as early atherosclerosis marker...
April 29, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28419534/endocrine-imbalance-associated-with-proteome-changes-in-diabetes
#16
Ahmed Khairallah, Abo-Alela Farag, Dina Johar, Larry Bernstein
The dynamics of cellular metabolism involves rapid interactions between proteins and Nucleic acids, proteins and proteins, and signaling. These involve the interactions with respect to the sulfur bond, noncovalent electrostatic interactions, protein structure stabilization and protein-ligand binding, weak electrostatic interactions in proteins, oxygen radicals that initiate a change in conformation and a chain of events. We review a development in molecular medicine that is a very promising work in progress...
April 17, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28373994/neutrophil-extracellular-traps-and-microcrystals
#17
REVIEW
Balázs Rada
Neutrophil extracellular traps represent a fascinating mechanism by which PMNs entrap extracellular microbes. The primary purpose of this innate immune mechanism is thought to localize the infection at an early stage. Interestingly, the ability of different microcrystals to induce NET formation has been recently described. Microcrystals are insoluble crystals with a size of 1-100 micrometers that have different composition and shape. Microcrystals have it in common that they irritate phagocytes including PMNs and typically trigger an inflammatory response...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28322000/postprandial-triglyceride-rich-lipoproteins-promote-lipid-accumulation-and-apolipoprotein-b-48-receptor-transcriptional-activity-in-human-circulating-and-murine-bone-marrow-neutrophils-in-a-fatty-acid-dependent-manner
#18
Almudena Ortega-Gómez, Lourdes M Varela, Sergio Lopez, Sergio Montserrat de la Paz, Rosario Sanchez, Francisco J G Muriana, Beatriz Bermúdez, Rocío Abia
SCOPE: Postprandial triglyceride-rich lipoproteins (TRLs) promote atherosclerosis. Recent research points the bone marrow (BM) as a primary site in atherosclerosis. We elucidated how the acute administration of MUFAs, omega-3 PUFAs and saturated fatty acids (SFAs) affects human circulating and murine BM neutrophil lipid accumulation and functionality. METHODS AND RESULTS: Postprandial hypertriglyceridemia was induced in healthy subjects and Apoe-/- mice by the acute administration of dietary fats enriched in MUFAs, PUFAs or SFAs...
March 21, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28300335/risk-factors-for-cardiovascular-disease-in-patients-with-hidradenitis-suppurativa
#19
Caroline Vinkel, Simon Francis Thomsen
We read with great interest the article by Pascual et al., in which subclinical atherosclerosis in patients with hidradenitis suppurativa (HS) was assessed using carotid ultrasound. They found a higher prevalence of subclinical atherosclerosis in HS patients (30.7%) compared with controls (16.1%) and the association was significant in patients 40 years and older. Furthermore, traditional cardiovascular (CV) risk factors like hypertension (41.9%), diabetes mellitus (22.6%), and metabolic syndrome (38.7%) along with elevated systemic inflammatory markers including high-sensitivity C-reactive protein (Hs-CRP) (61...
March 16, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28292897/inhibition-of-atherogenesis-by-the-cop9-signalosome-subunit-5-in-vivo
#20
Yaw Asare, Miriam Ommer, Florence A Azombo, Setareh Alampour-Rajabi, Marieke Sternkopf, Maryam Sanati, Marion J Gijbels, Corinna Schmitz, Dzmitry Sinitski, Pathricia V Tilstam, Hongqi Lue, André Gessner, Denise Lange, Johannes A Schmid, Christian Weber, Martin Dichgans, Joachim Jankowski, Ruggero Pardi, Menno P J de Winther, Heidi Noels, Jürgen Bernhagen
Constitutive photomorphogenesis 9 (COP9) signalosome 5 (CSN5), an isopeptidase that removes neural precursor cell-expressed, developmentally down-regulated 8 (NEDD8) moieties from cullins (thus termed "deNEDDylase") and a subunit of the cullin-RING E3 ligase-regulating COP9 signalosome complex, attenuates proinflammatory NF-κB signaling. We previously showed that CSN5 is up-regulated in human atherosclerotic arteries. Here, we investigated the role of CSN5 in atherogenesis in vivo by using mice with myeloid-specific Csn5 deletion...
March 28, 2017: Proceedings of the National Academy of Sciences of the United States of America
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