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https://www.readbyqxmd.com/read/28805560/glycation-of-matrix-proteins-in-the-artery-inhibits-migration-of-smooth-muscle-cells-from-the-media-to-the-intima
#1
A Kuzan, O Michel, A Gamian
Formation and growth of atherosclerotic plaques have serious clinical consequences. One mechanism that occurs during atherogenesis is migration of smooth muscle cells from the middle layer of the artery to the intima, where they proliferate and are transformed into foam cells. This degenerative process is accompanied by glycation, by which proteins are modified and change the biomechanical and biochemical properties. The aim of the study was to determine whether glycation of collagen and elastin building the walls of blood vessels alters the adhesion and rate of myocyte migration...
2017: Folia Biologica (Praha)
https://www.readbyqxmd.com/read/28804814/factors-associated-with-cardiovascular-target-organ-damage-in-children-after-renal-transplantation
#2
Bianca Borchert-Mörlins, Daniela Thurn, Bernhard M W Schmidt, Anja K Büscher, Jun Oh, Tanja Kier, Elena Bauer, Sabrina Baig, Nele Kanzelmeyer, Markus J Kemper, Rainer Büscher, Anette Melk
BACKGROUND: Cardiovascular disease is the second-most common cause of death in pediatric renal transplant recipients. The aim of this study was to evaluate subclinical cardiovascular target organ damage defined as the presence of arterio- and atherosclerotic lesions and cardiac remodeling and to analyze contributing risk factors in a large cohort of children after renal transplantation (RT). METHODS: A total of 109 children aged 13.1 ± 3.3 years who had undergone RT at one of three German transplant centers were enrolled in this study...
August 13, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28803421/quantitative-coronary-plaque-analysis-predicts-high-risk-plaque-morphology-on-coronary-computed-tomography-angiography-results-from-the-romicat-ii-trial
#3
Ting Liu, Pál Maurovich-Horvat, Thomas Mayrhofer, Stefan B Puchner, Michael T Lu, Khristine Ghemigian, Pieter H Kitslaar, Alexander Broersen, Amit Pursnani, Udo Hoffmann, Maros Ferencik
Semi-automated software can provide quantitative assessment of atherosclerotic plaques on coronary CT angiography (CTA). The relationship between established qualitative high-risk plaque features and quantitative plaque measurements has not been studied. We analyzed the association between quantitative plaque measurements and qualitative high-risk plaque features on coronary CTA. We included 260 patients with plaque who underwent coronary CTA in the Rule Out Myocardial Infarction/Ischemia Using Computer Assisted Tomography (ROMICAT) II trial...
August 12, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28802864/%C3%AE-3-adrenergic-receptor-regulates-hepatic-apolipoprotein-a-i-gene-expression
#4
Xiaojing Cao, Yanfang Li
BACKGROUND: β3-adrenergic receptor (β3-AR) was shown to upregulate hepatic apolipoprotein A-I (apoA-I) expression and reverse atherosclerotic plaques in vivo experiments. However, the effect of β3-AR on apoA-I expression in vitro is unknown. The specific mechanism underlying β3-AR prevention of atherosclerosis is unclear. OBJECTIVE: The present study was designed to investigate the molecular mechanism of β3-AR-mediated regulation of hepatic apoA-I gene expression...
July 27, 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28802734/adding-markers-of-organ-damage-to-risk-score-models-improves-cardiovascular-risk-assessment-prospective-analysis-of-a-large-cohort-of-adult-outpatients
#5
Giuliano Tocci, Ilaria Figliuzzi, Vivianne Presta, Nadia Attalla El Halabieh, Barbara Citoni, Roberta Coluccia, Allegra Battistoni, Andrea Ferrucci, Massimo Volpe
INTRODUCTION: Global cardiovascular (CV) risk stratification is recommended in all outpatients. Risk score charts, however, do not include markers of organ damage (OD). AIM: To evaluate the potential added value of including different markers of subclinical OD to US Framingham, European SCORE and Italian Cuore risk score calculators. METHODS: We prospectively evaluated adult outpatients, who underwent blood pressure (BP) assessment and global CV risk stratification...
July 25, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28802571/omega-3-polyunsaturated-fatty-acids-improve-endothelial-function-in-humans-at-risk-for-atherosclerosis-a-review
#6
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/28802511/residual-risk-after-treatment-of-patients-with-atherosclerotic-cardiovascular-disease-with-proprotein-convertase-subtilisin-kexin-type-9-monoclonal-antibody-therapy-from-the-further-cardiovascular-outcomes-research-with-pcsk9-inhibition-in-subjects-with-elevated
#7
EDITORIAL
https://www.readbyqxmd.com/read/28801558/visceral-adiposity-index-lipid-accumulation-product-and-intracranial-atherosclerotic-stenosis-in-middle-aged-and-elderly-chinese
#8
Rui Li, Qi Li, Min Cui, Zegang Ying, Lin Li, Tingting Zhong, Yingchao Huo, Peng Xie
We investigated the association of the newly established lipid accumulation product (LAP) and visceral adiposity index (VAI) with intracranial atherosclerotic stenosis (ICAS) in middle-aged and elderly Chinese. From June 2012 to January 2013, consecutive patients ≥40 years of age who underwent cerebral vascular imaging for various medical reasons were enrolled in this study. Multivariate logistic regression models were used to evaluate the correlation of VAI and LAP with the risk of ICAS. In total, 845 patients were included in the study...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28801277/-pioglitazone-ameliorates-atherosclerosis-in-apoe-knockout-mice-through-transforming-growth-factor-%C3%AE-smad-signaling-and-adaptive-t-cell-immunity
#9
Yu-Ling Tian, Li-Jun Wang, Yue Wu, Wei-Ping Zhang, Xiao Liang, Zu-Yi Yuan
OBJECTIVE: To examine whether transforming growth factor-β (TGF-β) pathway and adaptive T cell immunity play roles in the anti-atherosclerotic effects of pioglitazone (PIO) in ApoE(-/-) mice. METHODS: ApoE(-/-) mice with atherosclerosis induced by high-fat feeding were treated daily with PIO (20 mg/kg) or vehicle for 8 weeks. The protein expressions of TGF-β pathway in the atheromatous lesions of the aorta and the percentages of IFN-γ(+) and Foxp3(+) cells in the spleen of the mice were examined with immunohistochemical staining...
August 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28801030/lipoprotein-a-screening-in-patients-with-controlled-traditional-risk-factors-undergoing-percutaneous-coronary-intervention
#10
Matthew C Weiss, Jeffrey S Berger, Eugenia Gianos, Edward Fisher, Arthur Schwartzbard, James Underberg, Howard Weintraub
BACKGROUND: Lipoprotein(a) [Lp(a)] is an inherited atherogenic lipoprotein and an independent risk factor for atherosclerotic cardiovascular disease; however, its clinical role remains limited. OBJECTIVE: We hypothesized that Lp(a) screening in high cardiovascular risk patients could provide insight into disease pathogenesis and modify physician behavior for treatment intensification targeting traditional risk factors when Lp(a)-related risk was identified. METHODS: We screened 113 patients presenting electively for percutaneous coronary intervention (PCI) for Lp(a) who met any of the following criteria: (1) premature coronary artery disease (male age <55 years, female age <65 years); (2) family history of premature coronary artery disease; (3) progression to PCI despite well-controlled traditional risk factors (blood pressure <140/90 mm Hg, and low-density lipoprotein cholesterol <100 mg/dL, and HbA1c <7%, and nonsmoker); or (4) progression to PCI despite at least moderate intensity statin use (simvastatin 40, atorvastatin 40-80, or rosuvastatin 20-40 mg daily)...
July 22, 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28800625/variability-in-quantitative-analysis-of-atherosclerotic-plaque-inflammation-using-18f-fdg-pet-ct
#11
Karel-Jan D F Lensen, Alper M van Sijl, Alexandre E Voskuyl, Conny J van der Laken, Martijn W Heymans, Emile F I Comans, Mike T Nurmohamed, Yvo M Smulders, Ronald Boellaard
BACKGROUND: 18F-FDG-PET(/CT) is increasingly used in studies aiming at quantifying atherosclerotic plaque inflammation. Considerable methodological variability exists. The effect of data acquisition and image analysis parameters on quantitative uptake measures, such as standardized uptake value (SUV) and target-to-background ratio (TBR) has not been investigated extensively. OBJECTIVE: The goal of this study was to explore the effect of several data acquisition and image analysis parameters on quantification of vascular wall 18F-FDG uptake measures, in order to increase awareness of potential variability...
2017: PloS One
https://www.readbyqxmd.com/read/28799996/tobacco-illicit-drugs-use-and-risk-of-cardiovascular-disease-in-patients-living-with-hiv
#12
Sergio Raposeiras-Roubín, Emad Abu-Assi, Andrés Iñiguez-Romo
PURPOSE OF REVIEW: There is a strong link between HIV, smoking and illicit drugs. This association could be clinically relevant as it may potentiate the risk of cardiovascular diseases (CVD). The purpose of this review is to bring readers up-to-date on issues concerning the cardiovascular risk associated with tobacco and illicit drugs in patients living with HIV (PLHIV), examinating the studies related to this topic published in the last year. RECENT FINDINGS: There is a strong association between smoking and atherosclerotic disease in PLHIV, reducing life expectancy secondary to CVD by up to 6 years...
August 10, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/28799558/intermittent-mydriasis-associated-with-carotid-vascular-occlusion
#13
P D Chamberlain, A Sadaka, S Berry, A G Lee
PurposeTo describe two cases of stereotyped, intermittent, neurologically isolated, unilateral mydriasis in patients with a history of acquired internal carotid artery (ICA) occlusive disease on the ipsilateral side.PatientsTwo patients with intermittent mydriasis.MethodsCase Series.ResultsCase one: A 78-year-old man experienced 10 episodes of intermittent, unilateral, and painless mydriasis in the left eye and had 100% occlusion of the left ICA artery due to atherosclerotic disease. Case two: A 26-year-old woman with history of migraine developed new painless, intermittent episodes of unilateral mydriasis after sustaining chest trauma and was diagnosed with subsequent dissection and 65% occlusion of the ipsilateral ICA...
August 11, 2017: Eye
https://www.readbyqxmd.com/read/28799513/ketogenic-diets-in-the-treatment-of-epilepsy
#14
Maurizio Elia, Joerg Klepper, Baerbel Leiendecker, Hans Hartmann
BACKGROUND: Although a larger number of antiepileptic drugs became available in the last decades, epilepsy remains drug-resistant in approximately a third of patients. Ketogenic diet (KD), first proposed at the beginning of the last century, is complex and has anticonvulsant effects, yet not completely understood. Over the last decades, different types of ketogenic diets (KDs) have been developed, namely classical KD and modified Atkins diet (MAD). They offer an effective alternative for children and adults with drug-resistant epilepsies...
August 9, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28799447/a-higher-volume-of-fibrotic-tissue-on-virtual-histology-prior-to-coronary-stent-implantation-predisposes-to-more-pronounced-neointima-proliferation
#15
Steven Haine, Kristien Wouters, Hielko Miljoen, Tom Vandendriessche, Marc Claeys, Johan Bosmans, Christiaan Vrints
BACKGROUND: Since neointima smooth muscle cells (SMC) mainly originate from the vessel wall, we investigated whether atherosclerotic plaque composition influences subsequent in-stent neointima proliferation and restenosis. METHODS: We performed intravascular ultrasound (IVUS) with virtual histology in 98 patients prior to elective bare-metal stent (BMS) implantation in de novo coronary artery lesions. Virtual histology variables pre-percutaneous coronary intervention (PCI) were related to in-stent neointima proliferation six months after implantation assessed as late luminal loss of 0...
August 11, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28799067/mir-448-promotes-vascular-smooth-muscle-cell-proliferation-and-migration-in-through-directly-targeting-mef2c
#16
Weimin Li, Ruihong Zhang, Li Sui, Xiaojian Hong, Mao Yang
Abnormal proliferation and migration of vascular smooth muscle cells (VSMCs) is a critical process in various cardiovascular diseases such as coronary artery disease (CAD), atherosclerosis, stroke, and hypertension. MicroRNAs (miRNAs) are small, short, and noncoding RNAs that inhibit gene expression through binding to the 3'-UTR (3' untranslated regions) of target gene mRNAs. We showed that the expression of miR-448 was upregulated in VSMCs from coronary atherosclerotic plaques compared with normal coronary artery tissues...
August 11, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28798867/effect-of-intraplaque-angiogenesis-to-atherosclerotic-rupture-prone-plaque-induced-by-high-shear-stress-in-rabbit-model
#17
Juhui Qiu, Daoxi Lei, Jianjun Hu, Tieying Yin, Kang Zhang, Donghong Yu, Guixue Wang
Atherosclerotic prone-rupture plaque is mainly localized in the region of the entrance to the stenosis with high shear stress and the reasons are largely unknown. Our hypothesis is that such a distribution of cells in atherosclerotic plaque may depend on the angiogenesis. Silastic collars induced regions of high shear stress (20.68 ± 5.27 dynes/cm(2)) in the upstream flow and low shear stress (12.25 ± 1.28 dynes/cm(2)) in the downstream flow in carotid arteries. Compared with the low shear stress region, plaques in the high shear stress region showed more intraplaque haemorrhaging, less collagen and higher apoptotic rates of vascular smooth muscle cells; endothelial cells (ECs) in the high shear stress region were characterized with integrity and high endothelial nitric oxide synthase (eNOS) expression (1570...
August 2017: Regenerative Biomaterials
https://www.readbyqxmd.com/read/28798782/evaluation-of-local-carotid-stiffness-and-inflammatory-biomarkers-in-stable-angina-pectoris
#18
Abdullah Nabi Aslan, Ayşe Nur Özcan, Hüseyin Ayhan, Serkan Sivri, Filiz Çelebi, Karabekir Ercan, Tahir Durmaz
INTRODUCTION: Arterial stiffness (AS) is a well-accepted and reliable predictor of atherosclerotic diseases. Inflammation plays an important role in the development of AS. AIM: To evaluate local carotid stiffness (CS) together with fibrinogen and high-sensitivity C-reactive protein (hsCRP) levels in stable angina pectoris (SAP) patients. MATERIAL AND METHODS: The study consisted of 353 consecutive patients with SAP. All underwent coronary angiography (CAG) after the evaluation of local CS parameters and carotid intima-media thickness (IMT) from both common carotid arteries by a real-time echo-tracking system...
2017: Postępy W Kardiologii Interwencyjnej, Advances in Interventional Cardiology
https://www.readbyqxmd.com/read/28798779/one-swallow-does-not-a-summer-make-but-many-swallows-do-accumulating-clinical-evidence-for-nearly-eliminated-peri-procedural-and-30-day-complications-with-mesh-covered-stents-transforms-the-carotid-revascularisation-field
#19
REVIEW
Piotr Musiałek, L Nelson Hopkins, Adnan H Siddiqui
Atherosclerotic carotid artery stenosis (CS) continues to be a common cause of acute ischaemic stroke. Optimised medical therapy (OMT), the first-line treatment modality in CS, may reduce or delay - but it does not abolish - CS-related strokes. As per current AHA/ASA and ESC/ESVS/ESO guidelines, carotid artery stenting (CAS) is a less-invasive alternative to carotid endarterectomy (CEA) for CS revascularisation in primary and secondary stroke prevention. Ten-year follow-up from the CREST trial in patients with symptomatic and asymptomatic CS confirmed equipoise of CAS and CEA in the primary endpoint...
2017: Postępy W Kardiologii Interwencyjnej, Advances in Interventional Cardiology
https://www.readbyqxmd.com/read/28798687/tet2-protects-against-oxldl-induced-huvec-dysfunction-by-upregulating-the-cse-h2s-system
#20
Juan Peng, Zhi-Han Tang, Zhong Ren, Bei He, Yun Zeng, Lu-Shan Liu, Zuo Wang, Dang-Heng Wei, Xi-Long Zheng, Zhi-Sheng Jiang
Ten-eleven translocation-2 (TET2) protein is a DNA demethylase that regulates gene expression through DNA demethylation and also plays important roles in various diseases including atherosclerosis. Endothelial dysfunction represents an early key event in atherosclerotic disease. The cystathionine-γ-lyase (CSE)/hydrogen sulfide (H2S) is a key endogenous system with protective effects on endothelial functions. In this study, we examined how TET2 regulates oxidized low-density lipoprotein (oxLDL)-induced dysfunction of human umbilical vein endothelial cells (HUVECs) and determined the role of the CSE/H2S system...
2017: Frontiers in Pharmacology
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