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https://www.readbyqxmd.com/read/28108813/relationship-between-il-27-and-coronary-arterial-lesions-in-children-with-kawasaki-disease
#1
Feifei Si, Yao Wu, Fang Gao, Siqi Feng, Ruixi Liu, Qijian Yi
Kawasaki disease (KD) arises due to the disorder of the inflammation response and faulty immune regulation. Interleukin-27 (IL-27) is a novel cytokine with both pro-inflammatory and anti-inflammatory effects. This study investigated the relationship between serum levels of IL-27, Interleukin-17A (IL-17A), Interleukin-10 (IL-10), Interleukin-6 (IL-6), Interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α) and coronary artery lesions (CALs) in patients with KD. We obtained blood samples from 81 children with KD before intravenous immunoglobulin (IVIG) therapy...
January 20, 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/28107707/uremia-modulates-the-phenotype-of-aortic-smooth-muscle-cells
#2
Marie Madsen, Annemarie Aarup, Sebastian Albinsson, Karsten Hartvigsen, Charlotte M Sørensen, Karolina Turczynska, Lars B Nielsen, Tanja Xenia Pedersen
BACKGROUND AND AIMS: Chronic kidney disease leads to uremia and markedly accelerates atherosclerosis. Phenotypic modulation of smooth muscle cells (SMCs) in the arterial media plays a key role in accelerating atherogenesis. The aim of this study was to investigate whether uremia per se modulates the phenotype of aortic SMCs in vivo. METHODS: Moderate uremia was induced by 5/6 nephrectomy in apolipoprotein E knockout (ApoE(-/-)) and wildtype C57Bl/6 mice. Plasma analysis, gene expression, histology, and myography were used to determine uremia-mediated changes in the arterial wall...
December 23, 2016: Atherosclerosis
https://www.readbyqxmd.com/read/28106731/hypoxia-inducible-factor-1%C3%AE-promotes-endogenous-adaptive-response-in-rat-model-of-chronic-cerebral-hypoperfusion
#3
Ying Yang, Jieyang Ju, Min Deng, Jing Wang, Hui Liu, Li Xiong, Junjian Zhang
Hypoxia inducible factor 1α (HIF-1α), a pivotal regulator of gene expression in response to hypoxia and ischemia, is now considered to regulate both pro-survival and pro-death responses depending on the duration and severity of the stress. We previously showed that chronic global cerebral hypoperfusion (CCH) triggered long-lasting accumulation of HIF-1α protein in the hippocampus of rats. However, the role of the stabilized HIF-1α in CCH is obscure. Here, we knock down endogenous HIF-1α to determine whether and how HIF-1α affects the disease processes and phenotypes of CCH...
January 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28105924/molecular-determinants-of-the-adrenal-gland-functioning-related-to-stress-sensitive-hypertension-in-isiah-rats
#4
Larisa A Fedoseeva, Leonid O Klimov, Nikita I Ershov, Yury V Alexandrovich, Vadim M Efimov, Arcady L Markel, Olga E Redina
BACKGROUND: The adrenals are known as an important link in pathogenesis of arterial hypertensive disease. The study was directed to the adrenal transcriptome analysis in ISIAH rats with stress-sensitive arterial hypertension and predominant involvement in pathogenesis of the hypothalamic-pituitary-adrenal and sympathoadrenal systems. RESULTS: The RNA-Seq approach was used to perform the comparative adrenal transcriptome profiling in hypertensive ISIAH and normotensive WAG rats...
December 28, 2016: BMC Genomics
https://www.readbyqxmd.com/read/28105138/clinical-and-angiographic-correlation-of-high-sensitivity-c-reactive-protein-with-acute-st-elevation-myocardial-infarction
#5
Syed Tanveer, Shaheena Banu, Nasimudeen Rehumathbeevi Jabir, Mohd Shahnawaz Khan, Ghulam Md Ashraf, Nanjappa Cholenahally Manjunath, Shams Tabrez
Vascular inflammation and associated ongoing inflammatory responses are considered as the critical culprits in the pathogenesis of acute atherothrombotic events such as acute coronary syndrome (ACS) and myocardial infarction (MI). ST segment elevation myocardial infarction (STEMI) is considered as one of the prominent clinical forms of ACS. Moreover, C-reactive protein (CRP) is an important acute phase prsotein, which may be estimated using high-sensitivity methods (hs-CRP), and its elevated level in body fluids reflects chronic inflammatory status...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28105135/takayasu-s-arteritis-presenting-with-common-carotid-artery-dissection-a-rare-case-report
#6
Ruonan Hao, Jie Zhang, Zhicheng Ma, Ming Xiao, Lei Zhou, Nan Kang, Xiaoyu Liang, Fuxin Li
Takayasu's arteritis (TA) is a rare, idiopathic, chronic inflammatory disease associated with cell-mediated inflammation and involving predominantly the aorta and its primary branches. TA results in stenosis, occlusion or aneurysmal degeneration of large arteries pathologically. However, the incidence of dissection in arteries is low. As one of the primary causes of aortic dissection-associated ischemic stroke in young adults, only a limited number of TA cases presenting with aortic dissection have been published to date...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28105124/cardioprotective-effects-of-traditional-chinese-medicine-guanmaitong-on-acute-myocardial-infarction
#7
Xing-Hua Wang, Guang-Ping Li, Wan-Song Yang, Zhan-Quan Jiao, Hong-Mei Liu, Yan-Ping Ni
Guanmaitong (GMT) is a traditional Chinese herbal compound that has been used for the treatment of coronary heart disease (CHD) and other cardiovascular diseases. However, the efficacy of GMT in treating cardiovascular diseases remains unclear. The aim of the present study was to investigate the protective mechanisms and identify the targeted proteins and signaling networks associated with the physiological activity of GMT in a rat model of acute myocardial infarction (AMI). Sprague-Dawley rats were randomly allocated into five groups: Control group (sham-operated), the model group, and small, medium, and large dosage GMT groups...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28104528/cannabinoid-receptor-type-2-cb2-as-one-of-the-candidate-genes-in-human-carotid-plaque-imaging-evalu1ation-of-the-novel-radiotracer-11-c-rs-016-targeting-cb2-in-atherosclerosis
#8
Romana Meletta, Roger Slavik, Linjing Mu, Zoran Rancic, Nicole Borel, Roger Schibli, Simon M Ametamey, Stefanie D Krämer, Adrienne Müller Herde
INTRODUCTION: Endarterectomized human atherosclerotic plaques are a valuable basis for gene expression studies to disclose novel imaging biomarkers and therapeutic targets, such as the cannabinoid receptor type 2 (CB2). In this work, CB2 is expressed on activated immune cells, which are abundant in inflamed plaques. We evaluated the CB2-specific radiotracer [(11)C]RS-016 for imaging vascular inflammation in human and mouse atherosclerotic lesions. METHODS: The differential gene expression of microscopically classified human carotid plaques was evaluated using quantitative polymerase chain reaction...
January 8, 2017: Nuclear Medicine and Biology
https://www.readbyqxmd.com/read/28104348/quercetin-protects-against-heat-stroke-induced-myocardial-injury-in-male-rats-antioxidative-and-antiinflammatory-mechanisms
#9
Xiaojing Lin, Cheng-Hsien Lin, Tingbao Zhao, Dan Zuo, Zhujun Ye, Lin Liu, Mao-Tsun Lin
Heat stroke is characterilized by hyperthermia, systemic inflammation, and multiple organ failure including arterial hypotension. This definition can be fulfilled by a rat model of heat stroke used in the present study. Anesthetized animals were exposed to heat exposure (43 °C for 70 min) and then returned to room temperature (26 °C) for recovery. One hour before heat exposure, an intraperitoneal dose of quercetin (30 mg/kg) or vehicle (normal saline 1 ml/kg) was administered to the experimental groups of rats...
January 16, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28104210/9-month-clinical-and-angiographic-outcomes-of-the-cobra-polyzene-f-nanocoated-coronary-stent-system
#10
Donald E Cutlip, Kirk N Garratt, Victor Novack, Mark Barakat, Perwaiz Meraj, Luc Maillard, Andrejs Erglis, Rajiv Jauhar, Jeffrey J Popma, Robert Stoler, Sigmund Silber
OBJECTIVES: The aim of this study was to assess the safety and effectiveness of the COBRA Polyzene-F NanoCoated Coronary Stent System (CeloNova Biosciences, San Antonio, Texas) for the treatment of de novo coronary artery lesions. BACKGROUND: Polyzene-F-coated coronary stents have shown reduced thrombogenicity and inflammation in preclinical studies. METHODS: Patients with de novo coronary artery lesions meeting eligibility criteria were enrolled in a nonrandomized, prospective clinical trial...
January 23, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28103941/involvement-of-the-endocannabinoid-system-in-the-physiological-response-to-transient-common-carotid-artery-occlusion-and-reperfusion
#11
Marina Quartu, Laura Poddighe, Tiziana Melis, Maria Pina Serra, Marianna Boi, Sara Lisai, Gianfranca Carta, Elisabetta Murru, Laura Muredda, Maria Collu, Sebastiano Banni
BACKGROUND: The transient global cerebral hypoperfusion/reperfusion achieved by induction of Bilateral Common Carotid Artery Occlusion followed by Reperfusion (BCCAO/R) may trigger a physiological response in an attempt to preserve tissue and function integrity. There are several candidate molecules among which the endocannabinoid system (ECS) and/or peroxisome-proliferator activated receptor-alpha (PPAR-alpha) may play a role in modulating oxidative stress and inflammation. The aims of the present study are to evaluate whether the ECS, the enzyme cyclooxygenase-2 (COX-2) and PPAR-alpha are involved during BCCAO/R in rat brain, and to identify possible markers of the ongoing BCCAO/R-induced challenge in plasma...
January 19, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28102478/influence-of-inflammation-and-atherosclerosis-in-atrial-fibrillation
#12
REVIEW
Rose Mary Ferreira Lisboa da Silva
BACKGROUND: Inflammation markers have been associated with cardiovascular diseases including atrial fibrillation. This arrhythmia is the most frequent, with an incidence of 38/1000 person-years. PURPOSE OF REVIEW: The aims of this study are to discuss the association between inflammation, atherosclerosis and atrial fibrillation and its clinical implications. Atherosclerosis is a chronic inflammatory disease and inflammation is a triggering factor of atherosclerotic plaque rupture...
January 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/28101763/mir-126-affects-brain-heart-interaction-after-cerebral-ischemic-stroke
#13
Jieli Chen, Chengcheng Cui, Xiaoping Yang, Jiang Xu, Poornima Venkat, Alex Zacharek, Peng Yu, Michael Chopp
Cardiovascular diseases are approximately three times higher in patients with neurological deficits than in patients without neurological deficits. MicroRNA-126 (MiR-126) facilitates vascular remodeling and decreases fibrosis and is emerging as an important factor in the pathogenesis of cardiovascular diseases and cerebral stroke. In this study, we tested the hypothesis that decreased miR-126 after ischemic stroke may play an important role in regulating cardiac function. Wild-type (WT), specific conditional-knockout endothelial cell miR-126 (miR-126(EC-/-)), and miR-126 knockout control (miR-126(fl/fl)) mice were subjected to distal middle cerebral artery occlusion (dMCAo) (n = 10/group)...
January 19, 2017: Translational Stroke Research
https://www.readbyqxmd.com/read/28101752/the-impact-of-hydrocortisone-treatment-on-neutrophil-gelatinase-associated-lipocalin-release-in-porcine-endotoxemic-shock
#14
E Söderberg, M Eriksson, A Larsson, M Lipcsey
BACKGROUND: A key feature of sepsis is systemic inflammatory activation that could be counteracted by steroids. In this experimental model of systemic inflammation, we sought to investigate whether septic neutrophil activation, evaluated by the plasma levels of neutrophil gelatinase-associated protein (NGAL), is modulated by the timing of hydrocortisone treatment. METHODS: Sixteen anesthetized pigs were allocated to one of four equally sized groups. Three of these groups received endotoxin at 2 μg × kg(-1) × h(-1) for 6 h so as to induce endotoxemic shock...
December 2017: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/28099511/extracellular-fluid-intracellular-fluid-volume-ratio-as-a-novel-risk-indicator-for-all-cause-mortality-and-cardiovascular-disease-in-hemodialysis-patients
#15
Eun-Jung Kim, Myung-Jin Choi, Jeoung-Hwan Lee, Ji-Eun Oh, Jang-Won Seo, Young-Ki Lee, Jong-Woo Yoon, Hyung-Jik Kim, Jung-Woo Noh, Ja-Ryong Koo
BACKGROUND: In hemodialysis patients, fluid overload and malnutrition are accompanied by extracellular fluid (ECF) expansion and intracellular fluid (ICF) depletion, respectively. We investigated the relationship between ECF/ICF ratio (as an integrated marker reflecting both fluid overload and malnutrition) and survival and cardiovascular disease (CVD) in the context of malnutrition-inflammation-arteriosclerosis (MIA) complex. METHODS: Seventy-seven patients from a single hemodialysis unit were prospectively enrolled...
2017: PloS One
https://www.readbyqxmd.com/read/28098108/the-relationship-between-mean-platelet-volume-and-neutrophil-lymphocyte-ratio-with-inflammation-and-proteinuria-in-chronic-kidney-disease
#16
Gulay Yilmaz, Can Sevinc, Sedat Ustundag, Yasemin Coskun Yavuz, Tuba Hacıbekiroglu, Esra Hatipoglu, Mehmet Baysal
Atherosclerosis, which develops as a result of inflammation, is the most important cause of morbidity and mortality in chronic kidney disease (CKD). In this study, we investigated the relationship of mean platelet volume (MPV) and neutrophil/lymphocyte ratio (NLR) with inflammation and proteinuria in patients with CKD Stage 3-4. Healthy individuals who applied to nephrology clinic for checkup purposes acted as controls. Fifty-three patients and 30 healthy controls were included in the study. Patients with diabetes mellitus, active infection, malignancy, and coronary artery disease were excluded from the study...
January 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28097233/ectonucleotidase-cd39-driven-control-of-postinfarction-myocardial-repair-and-rupture
#17
Nadia R Sutton, Takanori Hayasaki, Matthew C Hyman, Anuli C Anyanwu, Hui Liao, Danica Petrovic-Djergovic, Linda Badri, Amy E Baek, Natalie Walker, Keigo Fukase, Yogendra Kanthi, Scott H Visovatti, Ellen L Horste, Jessica J Ray, Sascha N Goonewardena, David J Pinsky
Mechanical complications of myocardial infarction (MI) are often fatal. Little is known about endogenous factors that predispose to myocardial rupture after MI. Ectonucleoside triphosphate diphosphohydrolase (CD39) could be a critical mediator of propensity to myocardial rupture after MI due to its role in modulating inflammation and thrombosis. Using a model of permanent coronary artery ligation, rupture was virtually abrogated in cd39(-/-) mice versus cd39(+/+) controls, with elevated fibrin and collagen deposition and marked neutrophil and macrophage influx...
January 12, 2017: JCI Insight
https://www.readbyqxmd.com/read/28096437/phase-angle-predicts-arterial-stiffness-and-vascular-calcification-in-peritoneal-dialysis-patients
#18
Margarida Sarmento-Dias, Carla Santos-Araújo, Rui Poínhos, Bruno Oliveira, Maria Sousa, Liliana S Silva, Isabel S Silva, Flora Correia, Manuel Pestana
♦ Objectives: Fluid overload (FO) is frequently present in peritoneal dialysis (PD) patients and is associated with markers of malnutrition, inflammation, and atherosclerosis/calcification (MIAC) syndrome. We examined the relationships in stable PD patients between phase angle (PhA) and the spectrum of uremic vasculopathy including vascular calcification and arterial stiffness and between PhA and changes in serum fetuin-A levels. ♦ Methods: Sixty-one stable adult PD patients were evaluated in a cross-sectional study (ST1)...
January 17, 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/28094311/evidence-of-microvascular-changes-in-the-retina-following-kawasaki-disease
#19
Katherine Y H Chen, David P Burgner, Tien Y Wong, Seang Mei Saw, Swee Chye Quek, Audrey Y C Pang, Seo Wei Leo, Inez B Wong, Diana Zannino, Nigel Curtis, Michael Cheung, Carol Y Cheung, Terence C W Lim
It is unclear whether all children with Kawasaki disease (KD) have increased later cardiovascular risk. The retinal microvasculature reflects changes in the microcirculation and is associated with traditional cardiovascular risk factors and events. The aim of this study was to investigate retinal microvascular parameters in two populations of patients with previous KD and control participants. We performed case-control studies of 116 (57 patients and 59 control participants) Australian and 156 (78 patients and 78 control participants) Singaporean individuals, at least two years since their acute illness...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28093508/vertical-sleeve-gastrectomy-reduces-blood-pressure-and-hypothalamic-endoplasmic-reticulum-stress-in-mice
#20
Anne K McGavigan, Zachariah M Henseler, Darline Garibay, Scott D Butler, Sisitha Jayasinghe, Ruth E Ley, Robin L Davisson, Bethany P Cummings
Bariatric surgery, such as vertical sleeve gastrectomy (VSG), causes remarkable improvements in cardiometabolic health, including hypertension remission. However, the mechanisms responsible remain undefined and poorly studied. Therefore, we developed and validated the first murine model of VSG that recapitulates the blood pressure lowering effect of VSG using gold-standard radiotelemetry technology. We used this model to investigate several potential mechanisms, including body weight, brain endoplasmic reticulum (ER) stress signaling and brain inflammatory signaling, all critical contributors to obesity-associated hypertension pathogenesis...
January 12, 2017: Disease Models & Mechanisms
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