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Cardiac inflammation

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https://www.readbyqxmd.com/read/28531112/effects-of-polyphenols-on-oxidative-stress-mediated-injury-in-cardiomyocytes
#1
REVIEW
Rosanna Mattera, Monica Benvenuto, Maria Gabriella Giganti, Ilaria Tresoldi, Francesca Romana Pluchinotta, Sonia Bergante, Guido Tettamanti, Laura Masuelli, Vittorio Manzari, Andrea Modesti, Roberto Bei
Cardiovascular diseases are the main cause of mortality and morbidity in the world. Hypertension, ischemia/reperfusion, diabetes and anti-cancer drugs contribute to heart failure through oxidative and nitrosative stresses which cause cardiomyocytes nuclear and mitochondrial DNA damage, denaturation of intracellular proteins, lipid peroxidation and inflammation. Oxidative or nitrosative stress-mediated injury lead to cardiomyocytes apoptosis or necrosis. The reactive oxygen (ROS) and nitrogen species (RNS) concentration is dependent on their production and on the expression and activity of anti-oxidant enzymes...
May 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28528454/new-insights-into-pericarditis-mechanisms-of-injury-and-therapeutic-targets
#2
REVIEW
Bo Xu, Serge C Harb, Paul C Cremer
PURPOSE OF REVIEW: This review article aims to provide a contemporary insight into the pathophysiological mechanisms of and therapeutic targets for pericarditis, drawing distinction between autoinflammatory and autoimmune pericarditis. RECENT FINDINGS: Recent research has focused on the distinction between autoinflammatory and autoimmune pericarditis. In autoinflammatory pericarditis, viruses can activate the sensor molecule of the inflammasome, which results in downstream release of cytokines, such as interleukin-1, that recruit neutrophils and macrophages to the site of injury...
July 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28522730/11%C3%AE-hsd1-suppresses-cardiac-fibroblast-cxcl2-cxcl5-and-neutrophil-recruitment-to-the-heart-post-mi
#3
Katie J Mylonas, Neil A Turner, Sumia A Bageghni, Christopher J Kenyon, Christopher I White, Kieran McGregor, Robert A Kimmitt, Richard Sulston, Valerie Kelly, Brian R Walker, Karen E Porter, Karen E Chapman, Gillian A Gray
We have previously demonstrated that neutrophil recruitment to the heart following myocardial infarction (MI) is enhanced in mice lacking 11β-hydroxysteroid dehydrogenase type 1 (11β-HSD1) that regenerates active glucocorticoid within cells from intrinsically inert metabolites. The present study aimed to identify the mechanism of regulation. In a mouse model of MI, neutrophil mobilization to blood and recruitment to the heart were higher in 11β-HSD1-deficient (Hsd11b1(-)(/)(-) ) relative to wild-type (WT) mice, despite similar initial injury and circulating glucocorticoid...
June 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28522072/cardiovascular-magnetic-resonance-in-systemic-sclerosis-pearls-and-pitfalls
#4
REVIEW
Sophie I Mavrogeni, Juerg Schwitter, Luna Gargani, Alessia Pepe, Lorenzo Monti, Yannick Allanore, Marco Matucci-Cerinic
Systemic sclerosis (SSc) is an autoimmune disease characterized by vascular dysfunction and excessive fibrosis, involving internal organs including the heart. The estimated prevalence of cardiac involvement in SSc is high and remains subclinical until the late stages. It is either primary, related to myocardial inflammation and fibrosis, or secondary, due to pulmonary arterial hypertension (SSc-PAH) or systemic hypertension, in those patients with renal involvement. Cardiovascular magnetic resonance (CMR) is a useful tool for the early assessment of cardiac involvement in SSc...
March 31, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28521893/pulmonary-hypertension-in-infants-children-and-young-adults
#5
REVIEW
Georg Hansmann
Pulmonary hypertension (PH) in neonates, infants, children, adolescents, and young adults is a complex condition that can be associated with several cardiac, pulmonary, and systemic diseases contributing to morbidity and mortality. The underlying pulmonary hypertensive vascular disease (PHVD) is characterized by inflammation, pulmonary vascular remodeling, and angio-obliteration leading to elevated pulmonary arterial pressure and resistance, right ventricular dysfunction, left ventricular compression, and subsequent heart failure...
May 23, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28520682/progress-in-the-pathogenesis-and-treatment-of-cardiac-manifestations-of-neonatal-lupus
#6
Peter Izmirly, Amit Saxena, Jill P Buyon
PURPOSE OF REVIEW: To provide new insights into pathogenesis, prevention and management of cardiac manifestations of neonatal lupus (cardiac neonatal lupus) and issues pertinent to all anti-SSA/Ro positive individuals of childbearing age. RECENT FINDINGS: Antibody specificity with high risk for cardiac neonatal lupus remains elusive, but high titers of Ro60, Ro52 or Ro52p200 antibodies appear to be required. Varying antibody specificities to the p200 region of Ro52 can induce first-degree block in a rodent model...
May 16, 2017: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/28515291/differential-disease-susceptibility-in-experimentally-reptarenavirus-infected-boa-constrictors-and-ball-pythons
#7
Mark D Stenglein, David Sanchez-Migallon Guzman, Valentina E Garcia, Marylee L Layton, Laura L Hoon-Hanks, Scott M Boback, M Kevin Keel, Tracy Drazenovich, Michelle G Hawkins, Joseph L DeRisi
Inclusion body disease (IBD) is an infectious disease originally described in captive snakes. It has traditionally been diagnosed by the presence of large eosinophilic cytoplasmic inclusions, and is associated with neurological, gastrointestinal and lymphoproliferative disorders. Previously, we identified and established a culture system for a novel lineage of arenaviruses isolated from boa constrictors diagnosed with IBD. Although ample circumstantial evidence suggested that these viruses, now known as reptarenaviruses, cause IBD, there has been no formal demonstration of disease causality since their discovery...
May 17, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28511155/-the-role-of-inflammatory-biomarkers-in-cardiovascular-risk-stratification
#8
Світлана Г Пузік
INTRODUCTION: The increase in cardiovascular diseases requires the search for ways to predict complications based on research additional to traditional risk factors, conduct a study of the formation mechanisms of these complications and to design new treatment strategies. AIM: To get an idea about the relationship between inflammation in the blood vessels, atherosclerosis and cardiovascular consequences based on the study of the role of biomarkers of inflammation...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28511026/hdac2-is-required-by-the-physiological-concentration-of-glucocorticoid-to-inhibit-inflammation-in-cardiac-fibroblasts
#9
Haining Zhang, Yanhua He, Guiping Zhang, Xiaobin Li, Suikai Yan, Ning Hou, Qing Xiao, Yue Huang, Miaoshan Luo, Genshui Zhang, Quan Yi, Minsheng Chen, Jiandong Luo
We previously suggested that endogenous glucocorticoids (GCs) may inhibit myocardial inflammation induced by lipopolysaccharide (LPS) <i>in vivo</i>. However, the possible cellular and molecular mechanisms were poorly understood. In this study, we investigated the role of physiological concentration of GCs in inflammation induced by LPS in cardiac fibroblasts and explored the possible mechanisms. The results showed that hydrocortisone at the dose of 127ng/ml (equivalent to endogenous basal level of glucocorticoids) inhibited LPS (100ng/ml)-induced productions of TNF-α and IL-1β in cardiac fibroblasts...
May 16, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28508737/the-future-for-long-chain-n-3-pufa-in-the-prevention-of-coronary-heart-disease-do-we-need-to-target-non-fish-eaters
#10
W L Hall
Dietary guidelines in many countries include a recommendation to consume oily fish, mainly on the basis of evidence from prospective cohort studies that fish consumption is cardioprotective. However, average intakes are very low in a large proportion of the UK population. Some groups, such as vegans and vegetarians, purposely omit fish (along with meat) from their diet resulting in zero or trace intakes of long chain (LC) n-3 PUFA. Although the efficacy of dietary fish oil supplementation in the prevention of CVD has been questioned in recent years, the balance of evidence indicates that LC n-3 PUFA exert systemic pleiotropic effects through their influence on gene expression, cell signalling, membrane fluidity and by conversion to specialised proresolving mediators; autacoid lipid mediators that resolve inflammatory events...
May 16, 2017: Proceedings of the Nutrition Society
https://www.readbyqxmd.com/read/28507459/spironolactone-ameliorates-the-cardiovascular-toxicity-induced-by-concomitant-trastuzumab-and-thoracic-radiotherapy
#11
Guler Yavas, Esin Celik, Cagdas Yavas, Cagdas Elsurer, Rengin Elsurer Afsar
AIM: We aimed to evaluate impact of spironolactone (S) on cardiovascular toxicity of concomitant use of radiotherapy (RT) and trastuzumab (T). BACKGROUND: S, an aldosterone receptor antagonist, is known to ameliorate the cardiac damage. S ameliorates anthracycline -induced cardiotoxicity, there is no data regarding to effect of S on both T and radiation-induced cardiotoxicity. MATERIALS/METHODS: Eighty rats were divided into eight groups: group (G) 1 was defined as control group...
July 2017: Reports of Practical Oncology and Radiotherapy
https://www.readbyqxmd.com/read/28506639/increased-c-reactive-protein-plasma-levels-are-not-involved-in-the-onset-of-post-operative-atrial-fibrillation
#12
Andrea Del Campo, Juan Roldán, Hugo E Verdejo, Ricardo Zalaquett, Elia Becerra, Mario Navarro-Marquez, Rosemarie Mellado, Sergio Lavandero, Ramón Corbalán, Lorena García, Mario Chiong
BACKGROUND: Increased inflammation biomarkers plasma levels, including C-reactive protein (CRP), have been associated with the initiation and perpetuation of atrial fibrillation (AF). However, it is not known whether an increased CRP plasma level, without concomitant inflammation, is sufficient to induce AF. We investigated whether higher CRP plasma levels, determined by the presence of +219G>A CRP gene polymorphism, is associated with an increased risk of post-operative AF. METHODS: One hundred and fifteen adult patients submitted to elective coronary surgery were genotyped for the CRP +219G>A polymorphism...
May 12, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28504656/effect-of-il-1%C3%AE-tnf-%C3%AE-and-igf-1-on-trans-endothelial-passage-of-synthetic-vectors-through-an-in-vitro-vascular-endothelial-barrier-of-striated-muscle
#13
J-P Gomez, C Gonçalves, C Pichon, P Midoux
When administrated in the blood circulation, plasmid DNA (pDNA) complexed with synthetic vectors must pass through a vascular endothelium to transfect underlying tissues. Under inflammatory condition, cytokines effects can modify the endothelium integrity. Here, the trans-endothelial passage (TEP) of DNA complexes including polyplexes, lipoplexes and lipopolyplexes was investigated in the presence of TNF-α-, IL-1β or IGF-1. The experiments were performed by using an in vitro model comprising a monolayer of mouse cardiac endothelial cells (MCEC) seeded on a trans-well insert and the transfection of C2C12 myoblasts cultured on the lower chamber as read out of TEP...
May 15, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28503972/molecular-mechanisms-of-anti-oxidant-and-anti-aging-effects-induced-by-convallatoxin-in-caenorhabditis-elegans
#14
Jia Xu, Youming Guo, Tianzhuo Sui, Qifei Wang, Yue Zhang, Ruining Zhang, Mingyang Wang, Shuwen Guan, Liping Wang
Convallatoxin is widely used as a cardiac glycoside in acute and chronic congestive heart-failure and paroxysmal tachycardia, with many effects and underlying protective mechanisms on inflammation and cellular proliferation. However, convallatoxin has not been investigated in its antioxidant effects and lifespan extension in Caenorhabditis elegans. In this study, we found that convallatoxin (20 μM) could significantly prolong the lifespan of wild-type C. elegans up to 16.3% through daf-16, but not sir-2.1 signaling and increased thermotolerance and resistance to paraquat-induced oxidative stress...
May 14, 2017: Free Radical Research
https://www.readbyqxmd.com/read/28502983/alkaline-phosphatase-a-novel-treatment-target-for-cardiovascular-disease-in-ckd
#15
REVIEW
Mathias Haarhaus, Vincent Brandenburg, Kamyar Kalantar-Zadeh, Peter Stenvinkel, Per Magnusson
Cardiovascular disease is the main cause of early death in the settings of chronic kidney disease (CKD), type 2 diabetes mellitus (T2DM), and ageing. Cardiovascular events can be caused by an imbalance between promoters and inhibitors of mineralization, which leads to vascular calcification. This process is akin to skeletal mineralization, which is carefully regulated and in which isozymes of alkaline phosphatase (ALP) have a crucial role. Four genes encode ALP isozymes in humans. Intestinal, placental and germ cell ALPs are tissue-specific, whereas the tissue-nonspecific isozyme of ALP (TNALP) is present in several tissues, including bone, liver and kidney...
May 15, 2017: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/28502744/effect-of-high-dose-sodium-selenite-in-cardiac-surgery-patients-a%C3%A2-randomized-controlled-bi-center-trial
#16
Tanja Schmidt, Hans Pargger, Esther Seeberger, Friedemann Eckhart, Stefanie von Felten, Christoph Haberthür
BACKGROUND & AIMS: Cardiac surgery is accompanied by oxidative stress and systemic inflammatory response, which may be associated with organ dysfunction and increased mortality. Selenium and selenoenzymes are important constituents of anti-oxidative defense. We hypothesized that high-dose sodium selenite supplementation can attenuate the postoperative inflammation and might, therefore, improve clinical outcome. METHODS: Randomized, placebo-controlled, double-blinded, bi-center study on 411 adult patients undergoing elective cardiac surgery...
May 2, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28501519/the-utility-of-cardiac-magnetic-resonance-imaging-in-the-diagnosis-of-cardiac-sarcoidosis
#17
Kelly M Stanton, Madhusudan Ganigara, Peter Corte, David S Celermajer, Mark A McGuire, Paul J Torzillo, Tamera J Corte, Rajesh Puranik
BACKGROUND: Autopsy reports suggest that cardiac sarcoidosis occurs in 20 to 25% of patients with pulmonary sarcoidosis, yet the clinical ante-mortem diagnosis is made in only 5% of cases. Current diagnostic algorithms are complex and lack sensitivity. Cardiac Magnetic Resonance imaging (CMR) provides an opportunity to detect myocardial involvement in sarcoidosis. The aim of this study is to determine the prevalence and clinical significance of late gadolinium enhancement (LGE) on CMR in patients with sarcoidosis...
April 4, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28500369/feature-tracking-myocardial-strain-analysis-in-acute-myocarditis-diagnostic-value-and-association-with-myocardial-oedema
#18
Julian A Luetkens, Ulrike Schlesinger-Irsch, Daniel L Kuetting, Darius Dabir, Rami Homsi, Jonas Doerner, Frederic C Schmeel, Rolf Fimmers, Alois M Sprinkart, Claas P Naehle, Hans H Schild, Daniel Thomas
OBJECTIVES: To investigate the diagnostic value of cardiac magnetic resonance (CMR) feature-tracking (FT) myocardial strain analysis in patients with suspected acute myocarditis and its association with myocardial oedema. METHODS: Forty-eight patients with suspected acute myocarditis and 35 control subjects underwent CMR. FT CMR analysis of systolic longitudinal (LS), circumferential (CS) and radial strain (RS) was performed. Additionally, the protocol allowed for the assessment of T1 and T2 relaxation times...
May 12, 2017: European Radiology
https://www.readbyqxmd.com/read/28499941/mtus1-a-gene-encoding-angiotensin-ii-type-2-at2-receptor-interacting-proteins-in-health-and-disease-with-special-emphasis-on-its-role-in-carcinogenesis
#19
REVIEW
Ibrahim Bozgeyik, Onder Yumrutas, Esra Bozgeyik
Loss of tumor suppressor activity is a frequent event in the formation and progression of tumors and has been listed as an important hallmark of cancers. Microtubule-Associated Scaffold Protein 1 (MTUS1) is a candidate tumor suppressor gene which is reported to be frequently down-regulated in a variety of human cancers including pancreas, colon, bladder, head-and-neck, ovarian, breast cancers, gastric, lung cancers. It is also reported to be implicated in several types of pathologies such as cardiac hypertrophy, atherosclerosis, and SLE-like lymphoproliferative diseases...
May 9, 2017: Gene
https://www.readbyqxmd.com/read/28499885/the-role-of-gilz-in-modulation-of-adaptive-immunity-in-a-murine-model-of-myocardial-infarction
#20
Babak Baban, Lin Yin, Xu Qin, Jun Yao Liu, Xingming Shi, Mahmood S Mozaffari
Myocardial infarction (MI) is associated with intense immune and inflammatory responses which contribute to tissue injury. Increasing evidence indicates that the glucocorticoid-induced leucine zipper (GILZ) protein suppresses immune and inflammatory responses. However, the status of and the role of GILZ in MI are not known. We tested the hypotheses that a) MI reduces cardiac GILZ associated with intense inflammation and cell death and b) intramyocardial GILZ delivery confers cardioprotection in association with increased Tregs and suppression of inflammation...
May 10, 2017: Experimental and Molecular Pathology
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