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https://www.readbyqxmd.com/read/28511156/the-role-of-the-persistent-enterovirus-infection-in-development-of-acute-stroke
#1
Natalia G Andriushkova, Nataliia S Turchyna, Vadym A Poniatowski, Ludmyla V Dolinchuk, Valentyna V Melnyk, Volodymyr P Shyrobokov, Nataliia V Zakharchenko
INTRODUCTION: The role of enteroviruses in development of dilated cardiomyopathy, myocardial infarction, myocarditis, pericarditis is known. THE AIM: To examine the role of chronic enterovirus infections in development of acute stroke. MATERIAL AND METHODS: Blood samples from 72 patients with acute stroke (study group) and 35 patients without vascular disease (control group) were investigated by reverse transcription polymerase chain reaction for the presence of enterovirus RNA, by using virological method to detect enteroviruses, by ELISA for the levels of IgM and IgG antibodies to enteroviruses...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28435072/development-of-a-pseudovirus-based-assay-for-measuring-neutralizing-antibodies-against-coxsackievirus-b5
#2
Pan Chen, Xing Wu, Yao Su, Xiaotian Hao, Qunying Mao, Zhenglun Liang
Coxsackievirus B5 (CV-B5), an important Coxsackie B virus from genus Enteroviruse within the family Picornaviridae, has also been isolated from Hand, Foot, and Mouth Disease (HFMD) patients, and often associated with neurological manifestations. In this study, we found out that Coxsackievirus B3 (CV-B3) replicon RNA could be encapsidated with CV-B5 capsid to assemble infectious CV-B5 pseudovirus. We then utilized this single round infection system of CV-B5 to develop a neutralizing antibody quantification assay...
April 20, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28352303/paediatric-virology-a-rapidly-increasing-educational-challenge
#3
Ioannis N Mammas, Maria Theodoridou, Anna Kramvis, Prakash Thiagarajan, Sharryn Gardner, Georgia Papaioannou, Angeliki Melidou, Maria Koutsaki, Georgia Kostagianni, Vassilis Achtsidis, Chryssie Koutsaftiki, Marcos Calachanis, Apostolos Zaravinos, Anne Greenough, Demetrios A Spandidos
The '2nd Workshop on Paediatric Virology', which took place on Saturday the 8th of October 2016 in Athens, Greece, provided an overview on recent views and advances on Paediatric Virology. Emphasis was given to HIV-1 management in Greece, a country under continuous financial crisis, hepatitis B vaccination in Africa, treatment options for hepatitis C virus in childhood, Zika virus in pregnancy and infancy, the burden of influenza on childhood, hand-foot-mouth disease and myocarditis associated with Coxsackie viruses...
February 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28303224/aromatic-compounds-from-an-aqueous-extract-of-ban-lan-gen-and-their-antiviral-activities
#4
Yufeng Liu, Minghua Chen, Qinglan Guo, Yuhuan Li, Jiandong Jiang, Jiangong Shi
A pair of new diphenyl glycerol ether enantiomers (-)-1 and (+)-1 and two new methyl benzamidobenzoates 2 and 3, named (-)-(R)- and (+)-(S)-isatindigotrioic acid [(-)-1 and (+)-1] and isatindigoticamides A (2) and B (3), respectively, were isolated from an aqueous decoction of the roots of Isatis indigotica (ban lan gen). Their structures were elucidated by spectroscopic data analysis including 2D NMR experiments. The absolute configurations of (-)-1 and (+)-1 were assigned based on the CD exciton chirality method...
March 2017: Acta Pharmaceutica Sinica. B
https://www.readbyqxmd.com/read/28298229/a-novel-benzo-heterocyclic-amine-derivative-n30-inhibits-influenza-virus-replication-by-depression-of-inosine-5-monophospate-dehydrogenase-activity
#5
Jin Hu, Linlin Ma, Huiqiang Wang, Haiyan Yan, Dajun Zhang, Zhuorong Li, Jiandong Jiang, Yuhuan Li
BACKGROUD: Influenza virus is still a huge threat to the world-wide public health. Host inosine-5'- monophosphate dehydrogenase (IMPDH) involved in the synthesis of guanine nucleotides, is known to be a potential target to inhibit the replication of viruses. Herein, we evaluated antiviral activity of a benzo-heterocyclic amine derivative N30, which was designed to inhibit IMPDH. RESULTS: The results demonstrated that N30 inhibited the replication of H1N1, H3N2, influenza B viruses, including oseltamivir and amantadine resistant strains in vitro...
March 15, 2017: Virology Journal
https://www.readbyqxmd.com/read/28196967/coxsackie-myocarditis-and-hepatitis-with-reactivated-epstein-bar-virus-ebv-a-case-report
#6
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/28147344/detection-and-localization-of-viral-infection-in-the-pancreas-of-patients-with-type-1-diabetes-using-short-fluorescently-labelled-oligonucleotide-probes
#7
Niels Busse, Federico Paroni, Sarah J Richardson, Jutta E Laiho, Maarit Oikarinen, Gun Frisk, Heikki Hyöty, Eelco de Koning, Noel G Morgan, Kathrin Maedler
Enteroviruses, specifically of the Coxsackie B virus family, have been implicated in triggering islet autoimmunity and type 1 diabetes, but their presence in pancreata of patients with diabetes has not been fully confirmed.To detect the presence of very low copies of the virus genome in tissue samples from T1D patients, we designed a panel of fluorescently labeled oligonucleotide probes, each of 17-22 nucleotides in length with a unique sequence to specifically bind to the enteroviral genome of the picornaviridae family...
February 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28068282/serological-and-molecular-biological-studies-of-parvovirus-b19-coxsackie-b-viruses-and-adenoviruses-as-potential-cardiotropic-viruses-in-bulgaria
#8
Stefka Kr Ivanova, Svetla G Angelova, Asya P Stoyanova, Irina L Georgieva, Lubomira K Nikolaeva-Glomb, Zafira G Mihneva, Neli St Korsun
BACKGROUND: Inflammatory diseases of the heart (myocarditis, pericarditis) are commonly caused by viruses. Among the human cardiotropic viruses, parvovirus B19, Coxsackie B viruses, and adenoviruses play a leading role. AIM: The aim of the present study was to determine the presumptive causative role of parvovirus B19, Coxsackie B viruses, and adenoviruses in the development of myocarditis, pericarditis and dilated cardiomyopathy by demonstrating the presence of specific antiviral antibodies or viral DNA in patients' serum samples...
December 1, 2016: Folia Medica
https://www.readbyqxmd.com/read/28039136/laboratory-surveillance-of-polio-and-other-enteroviruses-in-high-risk-populations-and-environmental-samples
#9
Vasiliki Pogka, Stavroula Labropoulou, Mary Emmanouil, Androniki Voulgari-Kokota, Alexandra Vernardaki, Theano Georgakopoulou, Andreas F Mentis
In the context of poliomyelitis eradication, a reinforced supplementary laboratory surveillance of enteroviruses was implemented in Greece. Between 2008 and 2014, the Hellenic Polioviruses/Enteroviruses Reference Laboratory performed detailed supplementary surveillance of circulating enteroviruses among healthy individuals in high-risk population groups, among immigrants from countries in which poliovirus is endemic, and in environmental samples. In total, 722 stool samples and 179 sewage water samples were included in the study...
March 1, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/27987278/clozapine-associated-cardiac-dysfunction-during-a-gastroenteritis-outbreak
#10
Anthony M Szema, Charles Marboe, Paul Fritz, Tram N B Nguyen
We report that two young adult patients who were initiated with clozapine for severe psychosis during a hospital-wide gastroenteritis outbreak went into severe shock. Neither patient had troponin elevation. Each required left ventricular assist device support for myocarditis. Endomyocardial biopsy revealed lymphocytic myocarditis in one patient and eosinophilic myocarditis in the other. The former patient expired. Polymerase chain reaction testing was negative for Coxsackie virus. These two patients illustrate that myocarditis can occur at usual incipient doses and that there may be an epidemiologic risk associated with gastroenteritis...
2016: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/27933184/coxsackie-adenovirus-receptor-expression-is-enhanced-in-pancreas-from-patients-with-type-1-diabetes
#11
M Hodik, M Anagandula, J Fuxe, L Krogvold, K Dahl-Jørgensen, H Hyöty, L Sarmiento, G Frisk
OBJECTIVES: One of the theories connecting enterovirus (EV) infection of human islets with type 1 diabetes (T1D) is the development of a fertile field in the islets. This implies induction of appropriate proteins for the viral replication such as the coxsackie-adenovirus receptor (CAR). The aim of this study was to investigate to what extent CAR is expressed in human islets of Langerhans, and what conditions that would change the expression. DESIGN: Immunohistochemistry for CAR was performed on paraffin-embedded pancreatic tissue from patients with T1D (n=9 recent onset T1D, n=4 long-standing T1D), islet autoantibody-positive individuals (n=14) and non-diabetic controls (n=24) individuals...
2016: BMJ Open Diabetes Research & Care
https://www.readbyqxmd.com/read/27773751/soluble-coxsackie-and-adenovirus-receptor-scar-fc-a-highly-efficient-compound-against-laboratory-and-clinical-strains-of-coxsackie-b-virus
#12
Sandra Pinkert, Babette Dieringer, Sabine Diedrich, Heinz Zeichhardt, Jens Kurreck, Henry Fechner
Coxsackie-B-viruses (CVB) cause a wide variety of diseases, ranging from mild syndromes to life-threatening conditions such as pancreatitis, myocarditis, meningitis and encephalitis. Especially newborns and young infants develop severe diseases and long-term sequelae may occur among survivors. Due to lack of specific antiviral therapy the current treatment of CVB infection is limited to symptomatic treatment. Here we analyzed the antiviral activity of a soluble receptor fusion protein, containing the extracellular part of the coxsackievirus and adenovirus receptor (CAR) fused to the constant domain of the human IgG - sCAR-Fc - against laboratory and clinical CVB strains...
October 20, 2016: Antiviral Research
https://www.readbyqxmd.com/read/27725476/clinical-features-of-acute-and-fulminant-myocarditis-in-children%C3%A3-2nd-nationwide-survey-by-japanese-society-of-pediatric-cardiology-and-cardiac-surgery
#13
MULTICENTER STUDY
Hiroyuki Matsuura, Fukiko Ichida, Tsutomu Saji, Shunichi Ogawa, Kenji Waki, Masahide Kaneko, Masahiro Tahara, Takashi Soga, Yasuo Ono, Satoshi Yasukochi
BACKGROUND: The 1st nationwide survey by the Japanese Society of Pediatric Cardiology and Cardiac Surgery of acute or fulminant myocarditis (AMC/FMC) in children revealed that the survival rate of FMC was only 51.6%. The 2nd nationwide survey was performed to evaluate the recent outcomes of pediatric myocarditis.Methods and Results:Questionnaires regarding patients aged ≤18 years with AMC/FMC during the period from January 2006 to December 2011 were mailed. A total of 221 cases (age 6...
October 25, 2016: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/27617209/coxsackie-b5-infection-in-an-adult-with-fever-truncal-rash-diarrhea-and-splenomegaly-with-highly-elevated-ferritin-levels
#14
Paul K Valestra, Scarlet Herrarte Fornos, John Gian, Burke A Cunha
Coxsackie viruses are enteroviruses most common in children. Coxsackie B viral infections often present with biphasic fever, headache, pharyngitis, nausea/vomiting, diarrhea and a maculopapular rash that spares the palms and soles. These clinical features may be present in other viral infections. We present a case of a hospitalized adult with rash and fever with highly elevated ferritin levels later found to be due to Coxsackie B5. We believe this is the first case of Coxsackie B infection with otherwise unexplained highly elevated ferritin levels...
2016: IDCases
https://www.readbyqxmd.com/read/27604323/incomplete-immune-response-to-coxsackie-b-viruses-associates-with-early-autoimmunity-against-insulin
#15
Michelle P Ashton, Anne Eugster, Denise Walther, Natalie Daehling, Stephanie Riethausen, Denise Kuehn, Karin Klingel, Andreas Beyerlein, Stephanie Zillmer, Anette-Gabriele Ziegler, Ezio Bonifacio
Viral infections are associated with autoimmunity in type 1 diabetes. Here, we asked whether this association could be explained by variations in host immune response to a putative type 1 etiological factor, namely coxsackie B viruses (CVB). Heterogeneous antibody responses were observed against CVB capsid proteins. Heterogeneity was largely defined by different binding to VP1 or VP2. Antibody responses that were anti-VP2 competent but anti-VP1 deficient were unable to neutralize CVB, and were characteristic of children who developed early insulin-targeting autoimmunity, suggesting an impaired ability to clear CVB in early childhood...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27580327/absence-of-poliovirus-in-apparently-healthy-school-children-in-bauchi-state-nigeria
#16
Idris Abdullahi Nasir, Muhammad Sagir Shehu, Yunusa Thairu
INTRODUCTION: Poliovirus infections have been established to be in circulation in the remaining three polio-endemic nations. These pathogens have been associated with several chronic diseases, particularly acute flaccid paralysis of children. This study sought to ascertain whether polioviruses are silently shed by apparently healthy schoolchildren in Bauchi, Katagum, and Misau local government areas of Bauchi state, Nigeria. METHODOLOGY: This was a cross-sectional prospective study that involved 200 stool samples collected from apparently healthy schoolchildren...
August 31, 2016: Journal of Infection in Developing Countries
https://www.readbyqxmd.com/read/27507316/50-years-ago-in-thejournal-ofpediatrics-an-outbreak-of-coxsackie-b-5-virus-infection-in-a-newborn-nursery
#17
Sarah S Long
No abstract text is available yet for this article.
August 2016: Journal of Pediatrics
https://www.readbyqxmd.com/read/27503532/effusive-constrictive-pericarditis-hepatitis-and-pancreatitis-in-a-patient-with-possible-coxsackievirus-b-infection-a-case-report
#18
Jon Persichino, Roger Garrison, Rajagopal Krishnan, Made Sutjita
BACKGROUND: Coxsackie B is a viral pathogen that presents with various invasive diseases in adults. Historically, the majority of adult cases with pericarditis or myocarditis have been attributed to coxsackievirus B. The presentation of this viral infection causing effusive-constrictive pericarditis, hepatitis or pancreatitis is rare. This case report is the first to describe a patient with concomitant effusive-constrictive pericarditis, hepatitis and pancreatitis from possible coxsackievirus B infection...
August 8, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27501319/soluble-vascular-cell-adhesion-molecule-1-vcam-1-as-a-biomarker-in-the-mouse-model-of-experimental-autoimmune-myocarditis-eam
#19
U Grabmaier, G Kania, J Kreiner, J Grabmeier, A Uhl, B C Huber, K Lackermair, N Herbach, A Todica, U Eriksson, L T Weckbach, S Brunner
Vascular cell adhesion molecule-1 (VCAM-1) is strongly upregulated in hearts of mice with coxsackie virus-induced as well as in patients with viral infection-triggered dilated cardiomyopathy. Nevertheless, the role of its soluble form as a biomarker in inflammatory heart diseases remains unclear. Therefore, we investigated whether plasma levels of soluble VCAM-1 (sVCAM-1) directly correlated with disease activity and progression of cardiac dysfunction in the mouse model of experimental autoimmune myocarditis (EAM)...
2016: PloS One
https://www.readbyqxmd.com/read/27486657/increased-echogenicity-and-radiodense-foci-on-echocardiogram-and-microct-in-murine-myocarditis
#20
Angela K Peter, William H Bradford, Nancy D Dalton, Yusu Gu, Chieh-Ju Chao, Kirk L Peterson, Kirk U Knowlton
OBJECTIVES: To address the question as to whether echocardiographic and/or microcomputed tomography (microCT) analysis can be utilized to assess the extent of Coxsackie B virus (CVB) induced myocarditis in the absence of left ventricular dysfunction in the mouse. BACKGROUND: Viral myocarditis is a significant clinical problem with associated inflammation of the myocardium and myocardial injury. Murine models of myocarditis are commonly used to study the pathophysiology of the disease, but methods for imaging the mouse myocardium have been limited to echocardiographic assessment of ventricular dysfunction and, to a lesser extent, MRI imaging...
2016: PloS One
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