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Viral myocarditis

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https://www.readbyqxmd.com/read/29745463/therapeutic-implications-of-a-combined-diagnostic-workup-including-endomyocardial-biopsy-in-an-all-comer-population-of-patients-with-heart-failure-a-retrospective-analysis
#1
Efthymios Sotiriou, Susanne Heiner, Thomas Jansen, Moritz Brandt, Kai Helge Schmidt, Karl-Friedrich Kreitner, Tilman Emrich, Heinz-Peter Schultheiss, Eberhard Schulz, Thomas Münzel, Philip Wenzel
BACKGROUND: Aetiology of heart failure (HF) often remains obscure. We therefore evaluated the usefulness of a combined diagnostic approach including cardiac magnetic resonance imaging (CMRI) and endomyocardial biopsy (EMB) to assess the cause of unexplained cardiomyopathy underlying HF. METHODS AND RESULTS: We retrospectively investigated 100 consecutive patients (36% women, mean age 53.6 ± 18.8 years) presenting with unexplained cardiomyopathy (HF with reduced ejection fraction or left ventricular hypertrophy; excluding ischaemic and valvular heart disease; left ventricular ejection fraction 31...
May 10, 2018: ESC Heart Failure
https://www.readbyqxmd.com/read/29739251/heparan-sulfate-binding-coxsackievirus-b3-strain-pd-a-novel-avirulent-oncolytic-agent-against-human-colorectal-carcinoma
#2
Ahmet Hazini, Markian Pryshliak, Vanessa Brückner, Karin Klingel, Martina Sauter, Sandra Pinkert, Jens Kurreck, Henry Fechner
Coxsackievirus B3 (CVB3), a single-stranded RNA virus of the picornavirus family, has been described as a novel oncolytic virus. However, the used CVB3 strain induced hepatitis and myocarditis in vivo. We hypothesized that oncolytic activity and safety of CVB3 depends on the virus strain and its specific receptor tropism. We investigated different laboratory strains of CVB3 (Nancy, 31-1-93, H3) which use the coxsackievirus and adenovirus receptor (CAR) and the strain PD which uses N- and 6-O-sulfated heparin sulfate (HS) for entry into the cells, for their potential to lyse tumor cells and for their safety profile...
May 9, 2018: Human Gene Therapy
https://www.readbyqxmd.com/read/29730504/sparc-preserves-endothelial-glycocalyx-integrity-and-protects-against-adverse-cardiac-inflammation-and-injury-during-viral-myocarditis
#3
Marieke Rienks, Paolo Carai, Jurgen van Teeffelen, Bart Eskens, Wouter Verhesen, Bianca Hemmeryckx, Daniel M Johnson, Rick van Leeuwen, Elizabeth A Jones, Stephane Heymans, Anna-Pia Papageorgiou
Myocardial damage as a consequence of cardiotropic viruses leads to a broad variety of clinical presentations and is still a complicated condition to diagnose and treat. Whereas the extracellular matrix protein Secreted Protein Acidic and Rich in Cysteine or SPARC has been implicated in hypertensive and ischemic heart disease by modulating collagen production and cross-linking, its role in cardiac inflammation and endothelial function is yet unknown. Absence of SPARC in mice resulted in increased cardiac inflammation and mortality, and reduced cardiac systolic function upon coxsackievirus-B3 induced myocarditis...
May 3, 2018: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/29730342/nf-%C3%AE%C2%BAb-mediated-metabolic-remodelling-in-the-inflamed-heart-in-acute-viral-myocarditis
#4
Alexander H V Remels, Wouter J A Derks, Berta Cillero-Pastor, Koen J P Verhees, Marco C Kelders, Ward Heggermont, Paolo Carai, Georg Summer, Shane R Ellis, Chiel C de Theije, Ron M A Heeren, Stephane Heymans, Ana P Papageorgiou, Marc van Bilsen
Acute viral myocarditis (VM), characterised by leukocytes infiltration and dysfunction of the heart, is an important cause of sudden cardiac death in young adults. Unfortunately, to date, the pathological mechanisms underlying cardiac failure in VM remain incompletely understood. In the current study, we investigated if acute VM leads to cardiac metabolic rewiring and if this process is driven by local inflammation. Transcriptomic analysis of cardiac biopsies from myocarditis patients and a mouse model of VM revealed prominent reductions in the expression of a multitude of genes involved in mitochondrial oxidative energy metabolism...
May 3, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29663894/coenzyme-q10-in-cardiovascular-and-metabolic-diseases-current-state-of-the-problem
#5
Vladlena I Zozina, Serghei Covantev, Olga A Goroshko, Liudmila M Krasnykh, Vladimir G Kukes
The burden of cardiovascular and metabolic diseases is increasing with every year. Although the management of these conditions has improved greatly over the years it is still far from perfect. With all of this in mind, there is a need for new methods of prophylaxis and treatment. Coenzyme Q10 (CoQ10) is an essential compound of the human body. There is growing evidence that CoQ10 is tightly linked to cardiometabolic disorders. Its supplementation can be useful in a variety of chronic and acute disorders. This review analyses the role of CoQ10 in hypertension, ischemic heart disease, myocardial infarction, heart failure, viral myocarditis, cardiomyopathies, cardiac toxicity, dyslipidemia, obesity, type 2 diabetes mellitus, metabolic syndrome, cardiac procedures and resuscitation...
April 15, 2018: Current Cardiology Reviews
https://www.readbyqxmd.com/read/29625085/progranulin-ameliorates-coxsackievirus-b3-induced-viral-myocarditis-by-downregulating-th1-and-th17-cells
#6
Li Li, Ling Li, Lili Xiao, Jiahong Shangguan
Viral myocarditis, which is caused by Coxsackievirus B3 (CVB3) infection, is a leading reason of sudden cardiac death in young adults. Progranulin (PGRN), a pleiotropic growth factor, has been shown to exert anti-inflammatory function in a variety of inflammatory diseases. However, the expression and function of PGRN in the pathogenesis of viral myocarditis remain largely unknown. In this study, we found that PGRN levels in plasma and cardiac tissues were significantly upregulated post CVB3 infection, and negative correlated with disease severity...
April 3, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/29556195/ivabradine-treatment-reduces-cardiomyocyte-apoptosis-in-a-murine-model-of-chronic-viral-myocarditis
#7
Ge Li-Sha, Liu Li, Zhou De-Pu, Shi Zhe-Wei, Gu Xiaohong, Chen Guang-Yi, Li Jia, Lin Jia-Feng, Chu Maoping, Li Yue-Chun
This study was designed to explore the effects of ivabradine on cardiomyocyte apoptosis in a murine model of chronic viral myocarditis (CVMC). Mice were inoculated intraperitoneally with Coxsackievirus B3 at days 1, 14, and 28, respectively. On day 42, the mice were gavaged with ivabradine for 30 days until the 72nd day. The heart of infected mice was dilated and a large number of interstitial fibroblasts infiltrated into the myocardium on day 42. Compared with the untreated CVMC mice, mice treated with ivabradine showed a significant reduction in heart rate and less impairment of left ventricular function on day 72...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29543672/heart-health-in-the-age-of-highly-active-antiretroviral-therapy-a-review-of-hiv-cardiomyopathy
#8
Mark N Belkin, Nir Uriel
PURPOSE OF REVIEW: Advancements in highly active antiretroviral therapy (HAART) for human immunodeficiency virus (HIV) has led to increased survival, approaching that of the general population. These patients are at an increased risk for heart disease, specifically HIV-associated cardiomyopathy. RECENT FINDINGS: Initially, HIV-associated cardiomyopathy was predominantly noted as systolic dysfunction, but diastolic dysfunction has become more common with increased use of HAART...
March 14, 2018: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/29538462/role-of-toll-like-receptors-and-interferon-regulatory-factors-in-different-experimental-heart-failure-models-of-diverse-etiology-irf7-as-novel-cardiovascular-stress-inducible-factor
#9
Peter Moritz Becher, Svenja Hinrichs, Nina Fluschnik, Jan K Hennigs, Karin Klingel, Stefan Blankenberg, Dirk Westermann, Diana Lindner
Heart failure (HF) is a leading cause of morbidity and mortality in the western world. Although optimal medical care and treatment is widely available, the prognosis of patients with HF is still poor. Toll-like receptors (TLRs) are important compartments of the innate immunity. Current studies have identified TLRs as critical mediators in cardiovascular diseases. In the present study, we investigated the involvement of TLRs and interferon (IFN) regulatory factors (IRFs) in different experimental HF models including viral myocarditis, myocardial ischemia, diabetes mellitus, and cardiac hypertrophy...
2018: PloS One
https://www.readbyqxmd.com/read/29530464/role-of-gene-polymorphisms-haplotypes-and-serum-levels-of-interleukin-17a-in-susceptibility-to-viral-myocarditis
#10
Hui Tang, Hua Pei, Qianfeng Xia, Yimei Tang, Ji Huang, Jie Huang, Fang Pei
Interleukin-17A (IL-17A) has been implicated in the pathogenesis of viral myocarditis (VMC). However, the role of IL-17A polymorphisms in susceptibility to VMC has not been reported to date. The aim of this study was to explore the association between IL-17A variants as well as serum IL-17 levels with VMC. Three single-nucleotide polymorphisms (SNPs) (rs2275913, rs3819025, and rs3748067) were analyzed by the polymerase chain reaction-restriction fragment length polymorphism method in 236 VMC patients and 259 controls from China...
April 2018: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/29528906/viral-myocarditis-a-prime-example-for-endomyocardial-biopsy-guided-diagnosis-and-therapy
#11
Sophie Van Linthout, Carsten Tschöpe
PURPOSE OF REVIEW: Myocarditis is an inflammatory disease of the cardiac muscle mainly caused by viral infection. Due to the diverse clinical presentation of myocarditis, accurate diagnosis demands simultaneous histologic, immunohistochemical and molecular biological workup of endomyocardial biopsies (EMBs) as defined by the position statement of the Working Group on Myocardial and Pericardial Diseases of the European Society of Cardiology on myocarditis. RECENT FINDINGS: Endomyocardial biopsy-based analysis of viral transcriptional activity, mRNA expression, epigenetics and region-specific protein expression analysis via imaging mass spectrometry have led to the identification of novel potential diagnostic criteria, markers with prognostic value and therapeutic targets for the treatment of viral myocarditis, opening new avenues for novel therapies, including cell therapies, as well as the use of established treatment options, be it from other indications...
May 2018: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/29524390/mir-223-pknox1-axis-protects-mice-from-cvb3-induced-viral-myocarditis-by-modulating-macrophage-polarization
#12
Weihui Gou, Zhen Zhang, Chunfeng Yang, Yumei Li
Macrophage polarization plays a crucial role in regulating myocardial inflammation and injuries of coxsackievirus B3 (CVB3)-induced viral myocarditis (VM). It has been reported that miR-223 is a potent regulator of inflammatory responses that involved in macrophage polarization. However, the functional roles of miR-223 in CVB3-induced VM still remain unknown. Here, we found that miR-223 expression was significantly down-regulated in heart tissues and heart-infiltrating macrophages of CVB3-infected mice. Up-regulation of miR-223 in vivo protected the mice against CVB3-induced myocardial injuries characterized by the increased body weight and survival, enhanced left ventricular ejection fraction (LVEF) and left ventricular fractional shortening (LVFS), relieved inflammation, depressed creatine kinase-MB (CK-MB), lactate dehydrogenase (LDH) and aspartate transaminase (AST) levels, reduced production of interferon (IFN)-γ, interleukin (IL)- 6 as well as increased IL-10...
May 1, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/29515043/early-pathogenesis-of-the-foot-and-mouth-disease-virus-o-jpn-2010-in-experimentally-infected-pigs
#13
Manabu Yamada, Katsuhiko Fukai, Kazuki Morioka, Tatsuya Nishi, Reiko Yamazoe, Rie Kitano, Nobuaki Shimada, Kazuo Yoshida, Toru Kanno, Kenichi Sakamoto, Makoto Yamakawa
We examined the histological distribution of the lesions and the viral antigen associated with the virus and virus RNA in multisystemic organs in the early stages of foot-and-mouth disease virus (FMDV) O/JPN/2010 infection in pigs. Characteristic lesions commonly observed in pigs with FMD arise following inoculation with 106 tissue culture infectious dose (TCID)50 /ml of FMDV O/JPN/2010 in pigs at 3 days post inoculation (dpi) by a natural infectious route. However, none of the six pigs inoculated with 103 TCID50 /ml of FMDV O/JPN/2010 showed any evidence of infection up to 6 dpi...
April 27, 2018: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/29511145/murine-model-of-acute-myocarditis-and-cerebral-cortical-neuron-edema-induced-by-coxsackievirus-b4
#14
Zhao-Peng Dong, Qian Wang, Zhen-Jie Zhang, Michael J Carr, Dong Li, Wei-Feng Shi
Globally, coxsackievirus B4 (CV-B4) has been continuously isolated and evidence suggests an association with the development of pancreatitis and type I diabetes. In addition, CV-B4 is also associated with myocarditis and severe central nervous system (CNS) complications, which remain poorly studied and understood. In the present study, we established an Institute for Cancer Research (ICR) mouse model of CV-B4 infection and examined whether CV-B4 infection resulted in a predisposition to myocarditis and CNS infection...
January 18, 2018: Zoological Research
https://www.readbyqxmd.com/read/29509262/heart-rate-variability-in-children-with-myocarditis-presenting-with-ventricular-arrhythmias
#15
N Ling, C-L Li, Z-Z Wang, H-N Zhang, H Xu, X-J An
OBJECTIVE: We aimed to investigate the heart rate variability in children with myocarditis presenting with ventricular arrhythmias. PATIENTS AND METHODS: The study compared the characteristics of heart rate variability (HRV) among 67 children with viral myocarditis (VMC), presenting with (n=35) and without (n=32) ventricular arrhythmias and a control group of 30 healthy children. RESULTS: Compared with the control group, the HRV time-domain indicators of children with VMC were significantly lower (p<0...
February 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29460890/-increased-myocardial-expression-of-toll-like-receptors-2-and-9-as-a-marker-of-active-myocarditis-and-a-possible-predictor-of-therapeutic-effectiveness
#16
E A Kogan, O V Blagova, N M Faizullina, A V Nedostup, V A Sulimov
AIM: to investigate the myocardial expression of some structural proteins and markers of cellular proliferation and innate immunity for assessing their possible diagnostic and prognostic role in patients with chronic myocarditis. SUBJECTS AND METHODS: The investigation enrolled 23 patients (16 men; mean age, 52.0±12.4 years (range, 27 to 73) with various forms of noncoronarogenic myocardial injury who underwent right ventricular endomyocardial biopsy (n=4), intraoperative left ventricular biopsy (n=17) or autopsy (n=2)...
2018: Arkhiv Patologii
https://www.readbyqxmd.com/read/29456017/myocarditis-and-pericarditis-are-rare-following-live-viral-vaccinations-in-adults
#17
Jennifer Kuntz, Bradley Crane, Sheila Weinmann, Allison L Naleway
Reports of myocarditis and pericarditis following smallpox vaccination in adults suggested a need to assess inflammatory cardiac disease risk among adults who receive live viral vaccinations. From 1996 through 2007, among 416,629 vaccinated adults in the Vaccine Safety Datalink, we identified one probable pericarditis case and no cases of myocarditis in the 42 days following a live viral vaccination. Our self-controlled risk interval analysis found that, based on one case identified during the risk interval and 10 cases during the control interval, there is no increased risk of myopericarditis in the 42 days following vaccination (IRR, 0...
March 14, 2018: Vaccine
https://www.readbyqxmd.com/read/29455951/sex-hormone-contributes-to-sexually-dimorphic-susceptibility-in-cvb3-induced-viral-myocarditis-via-modulating-ifn-%C3%AE-nk-cell-production
#18
Nannan Zhou, Yan Yue, Sidong Xiong
BACKGROUND: Viral myocarditis is a widespread cardiac disease associated with inflammation and myocardial injury and is predominantly caused by coxsackievirus B3 (CVB3) infection in humans as well as in mice. CVB3-induced myocarditis shows sexually dimorphic sensitivity and is more prevalent in male mice. Our previous studies showed that natural killer (NK) cells played an indispensable role in CVB3-induced myocarditis, and female mice exhibited less pathological cardiac interferon gamma (IFN-γ)+ NK cell infiltration than did male mice...
April 2018: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/29439302/pediatric-viral-myocarditis-a-review
#19
Teresa Frey, Nofil Arain
Pediatric myocarditis is a common pediatric illness most commonly secondary to a preceding viral infection. It is a leading cause of acquired heart failure, cardiomyopathy, and cardiac transplantation in pediatrics. Due to the variability in presentation, the diagnosis is often unrecognized until later in the disease course. It should be considered in the differential diagnosis of all children presenting with respiratory distress, since this is the most common presentation. Imagining modalities, such as cardiac magnetic resonance imaging have become a useful diagnostic tool in recent years; however, endomyocardial biopsy remains the gold standard diagnostic test...
January 2018: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/29434067/inhibition-of-coxsackievirus-infection-in-cardiomyocytes-by-small-dsrna-targeting-its-cognate-coxsackievirus-adenovirus-receptor
#20
Mirnalini Sharma, Baijayantimala Mishra, Uma Nahar Saikia, Ajay Bahl, R K Ratho
Background & objectives: Coxsackievirus B (CVB), a member of human Enterovirus group, is the most common cause of viral myocarditis. Coxsackievirus adenovirus receptor (CAR) is identified as a key determinant for the entry of CVB in the target cells. Thus, blockade of receptor by RNA interference (RNAi) may inhibit the entry and pathogenesis of CVB in cardiac cells. The present study was aimed to determine the effect of CAR small dsRNA (siRNA) on coxsackieviral load and CAR expression in coxsackievirus-infected cardiomyocytes...
October 2017: Indian Journal of Medical Research
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