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https://www.readbyqxmd.com/read/28212715/novel-biomarkers-of-heart-failure
#1
A Savic-Radojevic, M Pljesa-Ercegovac, M Matic, D Simic, S Radovanovic, T Simic
Although substantial improvements have been made in majority of cardiac disorders, heart failure (HF) remains a major health problem, with both increasing incidence and prevalence over the past decades. For that reason, the number of potential biomarkers that could contribute to diagnosis and treatment of HF patients is, almost exponentially, increasing over the recent years. The biomarkers that are, at the moment, more or less ready for use in everyday clinical practice, reflect different pathophysiological processes present in HF...
2017: Advances in Clinical Chemistry
https://www.readbyqxmd.com/read/28212578/interleukin-1%C3%AE-levels-predict-long-term-mortality-and-need-for-heart-transplantation-in-ambulatory-patients-affected-by-idiopathic-dilated-cardiomyopathy
#2
Aneta Aleksova, Antonio Paolo Beltrami, Cosimo Carriere, Giulia Barbati, Pierluigi Lesizza, Martina Perrieri-Montanino, Miriam Isola, Piero Gentile, Elisabetta Salvioni, Tarcisio Not, Piergiuseppe Agostoni, Gianfranco Sinagra
AIMS: The prognostic stratification of patients with Idiopathic Dilated Cardiomyopathy (iDCM) is a difficult task. Here, we assessed the additive value of the evaluation of biomarkers of inflammasome activation and systemic inflammation for the long-term risk stratification of iDCM patients. METHODS AND RESULTS: We studied 156 ambulatory iDCM patients (mean age 58 years, 77% men, 79% in NYHA class 1-2, median Left Ventricular Ejection Fraction (LVEF) 35%, mean sodium 139 mEq/L, median BNP 189 pg/mL, median IL-1 beta (IL-1β) 1...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28209562/vinexin-%C3%AE-ablation-inhibits-atherosclerosis-in-apolipoprotein-e-deficient-mice-by-inactivating-the-akt-nuclear-factor-%C3%AE%C2%BAb-inflammatory-axis
#3
Hongjing Guan, Wen-Lin Cheng, Junhong Guo, Meng-Lin Chao, Yan Zhang, Jun Gong, Xue-Yong Zhu, Zhi-Gang She, Zan Huang, Hongliang Li
BACKGROUND: Vinexin β is a novel adaptor protein that regulates cellular adhesion, cytoskeletal reorganization, signal transduction, and transcription; however, the exact role that vinexin β plays in atherosclerosis remains unknown. METHODS AND RESULTS: Immunoblot analysis showed that vinexin β expression is upregulated in the atherosclerotic lesions of both patients with coronary heart disease and hyperlipemic apolipoprotein E-deficient mice and is primarily localized in macrophages indicated by immunofluorescence staining...
February 16, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28207527/zhibitai-and-low-dose-atorvastatin-reduce-blood-lipids-and-inflammation-in-patients-with-coronary-artery-disease
#4
Yuhong Zhao, Ran Peng, Wang Zhao, Qiong Liu, Yuan Guo, Shuiping Zhao, Danyan Xu
BACKGROUND: Atorvastatin decreases blood lipids but is associated with side effects. Zhibitai is a traditional Chinese medicine used to treat blood lipid disorders. The objective of this study is to evaluate the lipid-lowering effect, antiinflammatory effect, and adverse events of zhibitai combined to atorvastatin in patients with coronary heart diseases (CHDs). METHODS: Patients with CHD (n = 150) were randomized to: zhibitai 480 mg + atorvastatin 10 mg (ZA10 group), atorvastatin 20 mg (A20 group), and atorvastatin 40 mg (A40 group)...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28207428/il-37-ameliorates-coxsackievirus-b3-induced-viral-myocarditis-by-modulating-the-th17-treg-immune-response
#5
Bang An, Xuefei Liu, Ge Li, Haitao Yuan
Myocarditis is a heterogeneous group of disorders defined by inflammation of the heart muscle with an excessively activated immune response. Numerous interventions have been investigated for the treatment of myocarditis while success is limited. Interleukin-37 (IL-37), a novel member of the IL-1 cytokine family, is a natural inhibitor of innate immunity associated with autoimmune diseases. However, the modulatory effect of IL-37 in myocarditis is unknown. In this study, we investigated the immunological regulation of IL-37 in the coxsackievirus B3-induced model of murine viral myocarditis...
February 14, 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28204966/inhibition-of-the-renin-angiotensin-system-post-myocardial-infarction-prevents-inflammation-associated-acute-cardiac-rupture
#6
Xiao-Ming Gao, Alan Tsai, Annas Al-Sharea, Yidan Su, Shirley Moore, Li-Ping Han, Helen Kiriazis, Anthony M Dart, Andrew J Murphy, Xiao-Jun Du
PURPOSE: Inhibition of the renin-angiotensin system (RAS) is beneficial in patient management after myocardial infarction (MI). However, whether RAS inhibition also provides cardiac protection in the acute phase of MI is unclear. METHODS: Male 129sv mice underwent coronary artery occlusion to induce MI, followed by treatment with losartan (L, 20 and 60 mg/kg), perindopril (P, 2 and 6 mg/kg), amlodipine (20 mg/kg as a BP-lowering agent) or vehicle as control. Drug effects on hemodynamics were examined...
February 15, 2017: Cardiovascular Drugs and Therapy
https://www.readbyqxmd.com/read/28203568/mirna-sequence-indicates-that-mesenchymal-stem-cells-and-exosomes-have-similar-mechanism-to-enhance-cardiac-repair
#7
Lianbo Shao, Yu Zhang, Beibei Lan, Juanjuan Wang, Zhiwei Zhang, Lulu Zhang, Pengli Xiao, Qingyou Meng, Yong-Jian Geng, Xi-Yong Yu, Yangxin Li
Mesenchymal stem cells (MSCs) repair infarcted heart through paracrine mechanism. We sought to compare the effectiveness of MSCs and MSC-derived exosomes (MSC-Exo) in repairing infarcted hearts and to identify how MSC-Exo mediated cardiac repair is regulated. In a rat myocardial infarction model, we found that MSC-Exo inhibited cardiac fibrosis, inflammation, and improved cardiac function. The beneficial effects of MSC-Exo were significantly superior compared to that of MSCs. To explore the potential mechanisms underlying MSC-Exo's effects, we performed several in vitro experiments and miRNA-sequence analysis...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28202546/identification-of-a-novel-series-of-anti-inflammatory-and-anti-oxidative-phospholipid-oxidation-products-containing-cyclopentenone-moiety-in-vitro-and-in-vivo-implication-in-atherosclerosis
#8
Jianhong Lu, Shuyuan Guo, Xinli Xue, Qun Chen, Jing Ge, Yujuan Zhuo, Huiqin Zhong, Buxing Chen, Mingming Zhao, Wei Han, Takashi Suzuki, Mingjiang Zhu, Lin Xia, Claus Schneider, Timothy S Blackwell, Ned A Porter, Lemin Zheng, Sotirios Tsimikas, Huiyong Yin
Oxidative stress and inflammation are two major contributing factors to atherosclerosis, a leading cause for cardiovascular diseases (CVDs). Oxidation of phospholipids on the surface of low density lipoprotein (LDL) particles generated under oxidative stress has been associated with the progression of atherosclerosis but the underlying molecular mechanisms remain poorly defined. We identified a novel series of oxidation products containing cyclopentenone moiety, termed deoxy-A2/J2-isoprostanes-phosphocholine (deoxy-A2/J2-IsoP-PC), from 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine (PAPC) in vivo using mass spectrometry and by comparison to a chemically synthesized standard...
February 15, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28202385/long-term-consequences-of-disrupting-adenosine-signaling-during-embryonic-development
#9
REVIEW
Scott A Rivkees, Christopher C Wendler
There is growing evidence that disruption in the prenatal environment can have long-lasting effects on an individual's health in adulthood. Research on the fetal programming of adult diseases, including cardiovascular disease, focuses on epi-mutations, which alter the normal pattern of epigenetic factors such as DNA methylation, miRNA expression, or chromatin modification, rather than traditional genetic alteration. Thus, understanding how in utero chemical exposures alter epigenetics and lead to adult disease is of considerable public health concern...
February 12, 2017: Molecular Aspects of Medicine
https://www.readbyqxmd.com/read/28199763/disseminated-cat-scratch-disease-presenting-as-nausea-diarrhea-and-weight-loss-without-fever-in-a-heart-transplant-recipient
#10
Annukka A R Antar, Amit Goyal, Karly Murphy, Matthew Schimmel, Nisha A Gilotra, Isabella Martin, Genevieve Marie Crane, Christopher Sciortino, Robin K Avery, Brian A Houston
We report the case of an afebrile 59-year-old heart transplant recipient presenting with nausea, vomiting, diarrhea, weight loss, and diffuse lymphadenopathy. Lymph node biopsies revealed non-caseating granulomatous inflammation. Cat-scratch disease was confirmed by serologic studies, Warthin-Starry staining, and polymerase chain reaction testing of lymph node tissue. The patient's symptoms resolved with 3 months of doxycycline. We review clinical presentations of Bartonella henselae infection in and review diagnostic approaches for B...
February 15, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28197327/association-between-resting-heart-rate-and-inflammatory-markers-white-blood-cell-count-and-high-sensitivity-c-reactive-protein-in-healthy-korean-people
#11
Woo-Chul Park, Inho Seo, Shin-Hye Kim, Yong-Jae Lee, Song Vogue Ahn
BACKGROUND: Inflammation is an important underlying mechanism in the pathogenesis of atherosclerosis, and an elevated resting heart rate underlies the process of atherosclerotic plaque formation. We hypothesized an association between resting heart rate and subclinical inflammation. METHODS: Resting heart rate was recorded at baseline in the KoGES-ARIRANG (Korean Genome and Epidemiology Study on Atherosclerosis Risk of Rural Areas in the Korean General Population) cohort study, and was then divided into quartiles...
January 2017: Korean Journal of Family Medicine
https://www.readbyqxmd.com/read/28196967/coxsackie-myocarditis-and-hepatitis-with-reactivated-epstein-bar-virus-ebv-a-case-report
#12
Varunsiri Atti, Nathan M Anderson, Mathew B Day
BACKGROUND Myocarditis, defined as inflammation of myocardial tissue of the heart, is an uncommon cardiac presentation and is due to a variety of causes. It affects 1% of the US population, 50% of which is caused by coxsackie B virus. Cardiac tissue is the prime target, and destruction of myocardium results in cardiac failure with fluid overload. CASE REPORT Our patient was a 57-year-old woman with fever, headache, neck pain, and generalized malaise. Her white blood cell count was 13×10³ cells/mm³. Interestingly, lumbar puncture ruled out meningitis...
February 15, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28195341/left-ventricular-systolic-function-is-associated-to-sympathetic-nervous-activity-and-markers-of-inflammation-in-cirrhosis
#13
Raquel Yotti, Cristina Ripoll, Yolanda Benito, Maria Vega Catalina, Jaime Elízaga, Diego Rincón, Francisco Fernández-Avilés, Javier Bermejo, Rafael Bañares
: An accurate evaluation of cardiac function in patients with cirrhosis remains a challenge. We used robust echocardiographic indices to characterize LV systolic function and its relationship to activation of the sympathetic nervous system (SNS) and inflammation in 59 patients cirrhosis and 59 age-matched controls. Aditionally, in eleven patients we withdrew betablockers and diuretics and used phenylephrine and albumin infusion to evaluate the response to acute afterload and preload changes (interventional substudy)...
February 13, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28195242/the-alternative-complement-pathway-is-dysregulated-in-patients-with-chronic-heart-failure
#14
Negar Shahini, Annika E Michelsen, Per H Nilsson, Karin Ekholt, Lars Gullestad, Kaspar Broch, Christen P Dahl, Pål Aukrust, Thor Ueland, Tom Eirik Mollnes, Arne Yndestad, Mieke C Louwe
The complement system, an important arm of the innate immune system, is activated in heart failure (HF). We hypothesized that HF patients are characterized by an imbalance of alternative amplification loop components; including properdin and complement factor D and the alternative pathway inhibitor factor H. These components and the activation product, terminal complement complex (TCC), were measured in plasma from 188 HF patients and 67 age- and sex- matched healthy controls by enzyme immunoassay. Our main findings were: (i) Compared to controls, patients with HF had significantly increased levels of factor D and TCC, and decreased levels of properdin, particularly patients with advanced clinical disorder (i...
February 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28194569/the-role-of-inflammation-in-cardiovascular-outcome
#15
REVIEW
Fabrizio Montecucco, Luca Liberale, Aldo Bonaventura, Alessandra Vecchiè, Franco Dallegri, Federico Carbone
PURPOSE OF REVIEW: The aim of this review is to update the pathophysiological role of innate immune response in the cardiovascular (CV) disease outcomes, particularly focusing on coronary atherosclerosis and heart failure. RECENT FINDINGS: Inflammatory processes comprised with the innate immunity reaction are believed to actively trigger CV disease development and final clinical events. For instance, by releasing proteases and neutrophil extracellular traps, neutrophil recruitment and activation might strongly influence atherosclerotic plaque stability...
March 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/28194437/mitochondrial-quality-control-dysregulation-in-conditional-ho-1-mice
#16
Hagir B Suliman, Jeffrey E Keenan, Claude A Piantadosi
The heme oxygenase-1 (Hmox1; HO-1) pathway was tested for defense of mitochondrial quality control in cardiomyocyte-specific Hmox1 KO mice (HO-1[CM](-/-)) exposed to oxidative stress (100% O2). After 48 hours of exposure, these mice showed persistent cardiac inflammation and oxidative tissue damage that caused sarcomeric disruption, cardiomyocyte death, left ventricular dysfunction, and cardiomyopathy, while control hearts showed minimal damage. After hyperoxia, HO-1(CM)(-/-) hearts showed suppression of the Pgc-1α/nuclear respiratory factor-1 (NRF-1) axis, swelling, low electron density mitochondria by electron microscopy (EM), increased cell death, and extensive collagen deposition...
February 9, 2017: JCI Insight
https://www.readbyqxmd.com/read/28194400/eating-the-dead-to-keep-atherosclerosis-at-bay
#17
REVIEW
Megan L Brophy, Yunzhou Dong, Hao Wu, H N Ashiqur Rahman, Kai Song, Hong Chen
Atherosclerosis is the primary cause of coronary heart disease (CHD), ischemic stroke, and peripheral arterial disease. Despite effective lipid-lowering therapies and prevention programs, atherosclerosis is still the leading cause of mortality in the United States. Moreover, the prevalence of CHD in developing countries worldwide is rapidly increasing at a rate expected to overtake those of cancer and diabetes. Prominent risk factors include the hardening of arteries and high levels of cholesterol, which lead to the initiation and progression of atherosclerosis...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28193640/grk2-mediates-arginine-vasopressin-induced-il-6-production-via-nf-kb-signaling-in-neonatal-rat-cardiac-fibroblast
#18
Feifei Xu, Suzhen Sun, Xiaojun Wang, Eran Ni, Lingling Zhao, Weizhong Zhu
: Elevated interleukin 6(IL-6) levels in congestive heart failure are associated with myocardial damage during acute exacerbation and with chronic inflammation. Arginine vasopressin (AVP), a hormone released in response to cardiac stress, could be a factor of inflammation and fibrosis in the pathogenesis of heart failure. Recently, we have shown that AVP promotes the proliferation of neonatal rat cardiac fibroblasts (NRCFs) through a V1Avasopressin receptor-mediated G protein-coupled receptor kinase2 (GRK2) signaling...
February 13, 2017: Molecular Pharmacology
https://www.readbyqxmd.com/read/28192887/linking-resistin-inflammation-and-cardiometabolic-diseases
#19
Hyeong Kyu Park, Mi Kyung Kwak, Hye Jeong Kim, Rexford S Ahima
Adipose tissue secretes a variety of bioactive substances that are associated with chronic inflammation, insulin resistance, and an increased risk of type 2 diabetes mellitus. While resistin was first known as an adipocyte-secreted hormone (adipokine) linked to obesity and insulin resistance in rodents, it is predominantly expressed and secreted by macrophages in humans. Epidemiological and genetic studies indicate that increased resistin levels are associated with the development of insulin resistance, diabetes, and cardiovascular disease...
February 16, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/28192862/long-term-dietary-quercetin-enrichment-as-a-cardioprotective-countermeasure-in-mdx-mice
#20
Christopher Ballmann, Thomas Denney, Ronald J Beyers, Tiffany Quindry, Matthew Romero, Joshua T Selsby, John C Quindry
Duchenne Muscular Dystrophy (DMD) causes declines in cardiac health resulting in premature mortality. As a potential countermeasure, quercetin is a polyphenol possessing inherent anti-inflammatory and antioxidant effects that activate proliferator-activated γ coactivator 1α (PGC-1α) increasing mitochondrial biogenesis protein abundance. We investigated the extent to which lifelong 0.2% dietary quercetin enrichment attenuates dystrophic cardiopathology in mdx mice. Dystrophic animals were fed quercetin or control diet for 12 months while control C57 mice were fed a control diet...
February 13, 2017: Experimental Physiology
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