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inflammation and heart

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https://www.readbyqxmd.com/read/28319849/the-association-between-three-major-physiological-stress-systems-and-oxidative-dna-and-lipid-damage
#1
Catherine N Black, Mariska Bot, Dóra Révész, Peter G Scheffer, Brenda Penninx
BACKGROUND: Increased activity of the three major physiological stress systems (immune-inflammatory system, hypothalamic-pituitary-adrenal-axis [HPA-axis], and autonomic nervous system [ANS]) is part of the pathophysiology of various somatic and psychiatric diseases. Oxidative damage is a key mechanism in both ageing and disease. Elucidating the relationship between these stress systems and oxidative damage would contribute to the understanding of the role of physiological stress in disease...
March 6, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28319523/plasma-levels-of-microrna-155-are-upregulated-with-long-term-left-ventricular-assist-device-support
#2
Teresa Wang, Emily C OʼBrien, Joseph G Rogers, Daniel L Jacoby, Michael E Chen, Jeffrey M Testani, Dawn E Bowles, Carmelo A Milano, G Michael Felker, Chetan B Patel, Pramod N Bonde, Tariq Ahmad
Left ventricular assist device (LVAD) therapy unloads the failing heart but exposes the human body to unique pathophysiological demands such as continuous blood-flow and complete univentricular support, which are associated with increased risk of adverse clinical outcomes. MiRNAs are 22-23 nucleotide RNAs involved in regulation of multiple biological processes including the pathogenesis of heart failure (HF). Thus, measurement of miRNAs may have potential in both diagnostics as circulating biomarkers, and in therapeutics for targeted interventions...
March 17, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28316109/airway-inflammation-and-symptoms-in-children-following-liver-and-heart-transplantation
#3
Andrew J Redmann, John C Bucuvalas, Robert E Wood, Clifford Chin, Catherine K Hart
OBJECTIVES: Describe the upper airway endoscopic findings of children with upper airway symptoms after liver transplantation (LT) or heart transplantation (HT). METHODS: Review of children undergoing airway endoscopy after LT or HT from 2011 to 2015 at a tertiary care pediatric hospital. Airway findings, biopsy results, immunosuppression and Ebstein Barr virus (EBV) levels were recorded. RESULTS: Twenty-three of 158 LT (111) and HT (47) recipients underwent endoscopy...
March 18, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28316086/cardiac-fibrosis-in-the-ageing-heart-contributors-and-mechanisms
#4
Lu Lu, Jingbin Guo, Yue Hua, Kevin Huang, Ruth Magaye, Jake Cornell, Darren J Kelly, Christopher Reid, Danny Liew, Yingchun Zhou, Aihua Chen, Wei Xiao, Qiang Fu, Bing Hui Wang
Cardiac fibrosis refers to an excessive deposition of extracellular matrix (ECM) in cardiac tissue. Fibrotic tissue is stiffer and less compliant, resulting in subsequent cardiac dysfunction and heart failure. Cardiac fibrosis in the ageing heart may involve activation of fibrogenic signalling and inhibition of anti-fibrotic signalling, leading to an imbalance of ECM turnover. Excessive accumulation of ECM such as collagen in older patients contributes to progressive ventricular dysfunction. Overexpression of collagen is derived from various sources, including higher levels of fibrogenic growth factors, proliferation of fibroblasts and cellular trans-differentiation...
March 18, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28315199/hiv-infection-and-risk-of-cardiovascular-diseases-beyond-coronary-artery-disease
#5
REVIEW
Revery P Barnes, John Charles A Lacson, Hossein Bahrami
PURPOSE OF REVIEW: Cardiovascular disease (CVD) increasingly afflicts people living with HIV (PLWH) in the contemporary era of antiretroviral therapy (ART). Coronary artery disease (CAD) is the most widely studied cardiovascular problem in PLWH; however, less is known about other clinically relevant subtypes of CVD such as heart failure (HF), cerebrovascular disease, sudden cardiac death, pericardial diseases, and pulmonary hypertension. This paper reviews evidence of other subtypes of CVD as emerging issues in the post-ART era...
May 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/28314659/diagnostic-and-prognostic-value-of-cmr-t1-mapping-in-patients-with-heart-failure-and-preserved-ejection-fraction
#6
Karl-Philipp Rommel, Christian Lücke, Philipp Lurz
Heart failure with preserved ejection fraction (HFpEF) presents a major challenge in modern cardiology. Although this syndrome is of increasing prevalence and is associated with unfavorable outcomes, treatment trials have failed to establish effective therapies. Currently, solutions to this dilemma are being investigated, including categorizing and characterizing patients more diversely to individualize treatment. In this regard, new imaging techniques might provide important information. Diastolic dysfunction is a diagnostic and pathophysiological cornerstone in HFpEF and is believed to be caused by systemic inflammation with the development of interstitial myocardial fibrosis and myocardial stiffening...
March 14, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28314080/brain-natriuretic-peptide-and-right-heart-dysfunction-after-heart-transplantation
#7
REVIEW
Samy Talha, Anne Charloux, François Piquard, Bernard Geny
Heart transplantation (HT) should normalize cardiac endocrine function but brain natriuretic peptide (BNP) levels remain elevated after HT, even in the absence of left ventricular haemodynamic disturbance or allograft rejection. Right ventricle (RV) abnormalities are common in HT recipients (HTx), as a result of engraftment process, tricuspid insufficiency and/or repeated inflammation due to iterative endomyocardial biopsies. RV function follow-up is vital for patient management since RV dysfunction is a recognized cause of in-hospital death and is responsible for a worse prognosis...
March 17, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28306532/evaluation-of-the-sub-chronic-toxicity-profile-of-the-corm-of-xanthosoma-sagittifolium-on-hematology-and-biochemistry-of-alloxan-induced-diabetic-wistar-rats
#8
Olayinka A Oridupa, Oluyemisi F Folasire, Adedotun J Owolabi
Background Hematological and biochemical changes associated with diabetes mellitus and probable reversal were assessed in alloxan-induced diabetic Wistar rats fed with varied percentages of Xanthosoma sagittifolium corm feed (Xs). The changes were compared to normoglycemic rats and diabetic rats treated with glibenclamide. Methods The study had eight groups in all with group 8 (control) consisting of five normoglycemic rats fed with normal rat pellets (Nrp). Diabetes was experimentally induced by intraperitoneal injection of alloxan to normoglycemic rats...
March 11, 2017: Journal of Complementary & Integrative Medicine
https://www.readbyqxmd.com/read/28302646/eosinophil-derived-il-4-drives-progression-of-myocarditis-to-inflammatory-dilated-cardiomyopathy
#9
Nicola L Diny, G Christian Baldeviano, Monica V Talor, Jobert G Barin, SuFey Ong, Djahida Bedja, Allison G Hays, Nisha A Gilotra, Isabelle Coppens, Noel R Rose, Daniela Čiháková
Inflammatory dilated cardiomyopathy (DCMi) is a major cause of heart failure in children and young adults. DCMi develops in up to 30% of myocarditis patients, but the mechanisms involved in disease progression are poorly understood. Patients with eosinophilia frequently develop cardiomyopathies. In this study, we used the experimental autoimmune myocarditis (EAM) model to determine the role of eosinophils in myocarditis and DCMi. Eosinophils were dispensable for myocarditis induction but were required for progression to DCMi...
March 16, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28299803/toxicity-of-inhaled-particulate-matter-on-the-central-nervous-system-neuroinflammation-neuropsychological-effects-and-neurodegenerative-disease
#10
REVIEW
Yan Wang, Lilin Xiong, Meng Tang
Particulate matter (PM) combined with meteorological factors cause the haze, which brings inconvenience to people's daily life and deeply endanger people's health. Accumulating literature, to date, reported that PM are closely related to cardiopulmonary disease. Outpatient visits and admissions as a result of asthma and heart attacks gradually increase with an elevated concentration of PM. Owing to its special physicochemical property, the brain could be a potential target beyond the cardiopulmonary system...
March 16, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28299341/hepatic-cholesterol-25-hydroxylase-overexpression-improves-systemic-insulin-sensitivity-in-mice
#11
Britta Noebauer, Alexander Jais, Jelena Todoric, Klaus Gossens, Hedwig Sutterlüty-Fall, Elisa Einwallner
Obesity is a major risk factor for several diseases including diabetes, heart disease, and some forms of cancer and due to its rapidly increasing prevalence it has become one of the biggest problems medicine is facing today. All the more surprising, a substantial percentage of obese patients are metabolically healthy when classified based on insulin resistance and systemic inflammation. Oxysterols are naturally occurring molecules that play important role in various metabolic and inflammatory processes and their levels are elevated in patients suffering from obesity and diabetes...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28297727/new-knowledge-about-old-drugs-the-anti-inflammatory-properties-of-cardiac-glycosides
#12
Robert Fürst, Ilse Zündorf, Theo Dingermann
In the 19th century, cardio-active steroid glycosides, shortly cardiac glycosides, were scientifically established as drugs against heart failure. Their in vivo, cellular, and molecular actions as well as their predominant target, Na(+)-K(+)-ATPase, have been comprehensively investigated in the 20th century and the discovery of endogenous cardiac glycosides has fostered this research field. In the last years, however, results from clinical trials and meta-analyses have questioned their therapeutic value due to efficacy and safety issues...
March 15, 2017: Planta Medica
https://www.readbyqxmd.com/read/28296000/novel-application-of-localized-nanodelivery-of-anti-il6-protects-organ-transplant-from-ischemia-reperfusion-injuries
#13
Zhabiz Solhjou, Mayuko Uehara, Baharak Bahmani, Omar H Maarouf, Takaharu Ichimura, Craig R Brooks, Wanlong Xu, Mine Yilmaz, Abdala Elkhal, Stefan G Tullius, Indira Guleria, Martina McGrath, Reza Abdi
Ischemia reperfusion injury (IRI) evokes intra-graft inflammatory responses, which markedly augment alloimmune responses against the graft. Understanding the mechanisms underlying these responses is fundamental to develop therapeutic regimens to prevent/ameliorate organ IRI. Here, we demonstrate that IRI results in a marked increase in mitochondrial damage and autophagy in dendritic cells (DC). While autophagy is a survival mechanism for ischemic DC, it also augments their production of IL6. Allograft derived dendritic cells (ADDC) lacking autophagy related gene 5 (Atg5) showed higher death rates post-transplantation...
March 12, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28295931/salsalate-improves-glycemia-in-overweight-persons-with-diabetes-risk-factors-of-stable-statin-treated-cardiovascular-disease-a-30-month-randomized-placebo-controlled-trial
#14
Ninad Salastekar, Tanvi Desai, Thomas Hauser, Ernst J Schaefer, Kristen Fowler, Stacey Joseph, Steven Shoelson, Allison B Goldfine
Obesity related sub-acute chronic inflammation contributes to type 2 diabetes and atherosclerosis (1,2) . Multiple studies target inflammation to reduce dysglycemia and/or coronary heart disease (CHD) using diverse anti-inflammatory approaches. Several show salsalate, a pro-drug of salicylate, improves glycemia in type 2 diabetes, obesity, or impaired glucose tolerance. Durability of glycemic efficacy and safety of salsalate remains less well understood.
March 14, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28294424/therapeutic-regulation-of-systemic-inflammation-in-xenograft-recipients
#15
Hayato Iwase, Hong Liu, Tao Li, Zhongquiang Zhang, Bingsi Gao, Hidetaka Hara, Martin Wijkstrom, Cassandra Long, Ryan Saari, David Ayares, David K C Cooper, Mohamed B Ezzelarab
Inflammation is known to preclude tolerance after transplantation. We have previously shown that systemic inflammation in xenograft recipients (SIXR) precedes activation of coagulation in the absence of T cell responses. Accordingly, SIXR may amplify innate and adaptive immune responses against xenografts after pig-to-primate xenotransplantation, even with efficient immunosuppressive therapy. We evaluated the impact of anti-inflammatory agents on pro-inflammatory cytokines and chemokines in pig artery patch and heart xenograft recipients...
March 12, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/28293796/low-circulating-microrna-levels-in-heart-failure-patients-are-associated-with-atherosclerotic-disease-and-cardiovascular-related-rehospitalizations
#16
Eline L Vegter, Ekaterina S Ovchinnikova, Dirk J van Veldhuisen, Tiny Jaarsma, Eugene Berezikov, Peter van der Meer, Adriaan A Voors
OBJECTIVE: Circulating microRNAs (miRNAs) have been implicated in both heart failure and atherosclerotic disease. The aim of this study was to examine associations between heart failure specific circulating miRNAs, atherosclerotic disease and cardiovascular-related outcome in patients with heart failure. METHODS: The levels of 11 heart failure-specific circulating miRNAs were compared in plasma of 114 heart failure patients with and without different manifestations of atherosclerotic disease...
March 14, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28293450/il-17a-levels-in-systemic-lupus-erythematosus-associated-with-inflammatory-markers-and-lower-rates-of-malignancy-and-heart-damage-evidence-for-a-dual-role
#17
Warren Raymond, Gro Ostli-Eilertsen, Sheynae Griffiths, Johannes Nossent
OBJECTIVE: The interleukin 17 (IL-17) cytokine family is involved in a number of chronic inflammatory diseases. In spite of contradictory findings and a lack of causality in clinical studies, IL-17 inhibition for systemic lupus erythematosus (SLE) has regained attention as a potential therapeutic pathway, after demonstrating disease-modifying capabilities in ankylosing spondylitis. We investigated the clinical associations of interleukin 17 A (IL-17A) in patients with SLE. MATERIAL AND METHODS: A cross-sectional study was performed involving SLE patients (n=102; age: 49 years; 86% female) recruited from a regional registry...
March 2017: European Journal of Rheumatology
https://www.readbyqxmd.com/read/28293320/stnf-r-levels-apical-periodontitis-linked-to-coronary-heart-disease
#18
Rajnish K Singhal, Balwant Rai
BACKGROUND: Different studies have implicated the exposure to systemic conditions in the aetiology of cardiovascular diseases like chronic inflammation including chronic periodontitis. AIM: The present study has been conducted to examine whether biomarker sTNF-R was elevated in apical periodontitis as sTNF-R is a systemic marker of inflammation and has been identified as risk factors for cardiovascular diseases. MATERIAL AND METHODS: sTNF-R levels were measured in 52 patients with apical periodontitis (M:F::25:27), aged 20-45 years and in 20 control patients without periodontitis (M:F::10:10, aged 20-48 years)...
March 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28290886/-the-insufficiency-type-of-metabolic-balance-and-nutritional-status-in-patient-with-heart-failure
#19
A G Obrezan, S A Spitsa
A lot of data has been accumulated at present on the metabolic and nutritional insufficiency in patients with chronic heart failure (CHF). Researchers have noted an actuality of the study of nutritional and metabolic insufficiency in CHF patients as independent factors affecting the course of CHF and because of its relationship with triggers of inflammation, sympathetic-adrenal system, and markers of functional state of the cardiovascular system (CVS). In some works attention has been given to relationship of nutritional and metabolic insufficiency with autonomic regulation of cardiac rhythm...
August 2016: Kardiologiia
https://www.readbyqxmd.com/read/28289073/sympathetic-nervous-activity-in-patients-with-acute-coronary-syndrome-a-comparative-study-of-inflammatory-biomarkers
#20
Humberto Graner Moreira, Rony Lopes Lage, Daniel G Martinez, Larissa Ferreira-Santos, Maria U P B Rondon, Carlos Eduardo Negrão, Jose C Nicolau
Previous studies have shown that both sympathetic hyperactivity and enhanced inflammatory responses are associated with poor outcomes in patients with acute coronary syndrome (ACS). Whether there is a correlation between these two characteristics remains unclear. Thirty-four patients with uncomplicated ACS were evaluated; their mean age was 51.7 ± 7.0 years, 79.4% were male, and 94.1% had myocardial infarction. On the fourth day of hospitalization, they underwent muscle sympathetic nerve activity (MSNA) analysis (microneurography), as well as ultrasensitive C-reactive protein (usCRP), interleukin-6 (IL-6) and lipoprotein-associated phospholipase A2 (Lp-PLA2) activity measurements...
March 13, 2017: Clinical Science (1979-)
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