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Coxsackie b

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
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 4, 2016: Circulation Journal: Official Journal of the Japanese Circulation Society
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
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
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...
2016: Journal of Infection in Developing Countries
Sarah S Long
No abstract text is available yet for this article.
August 2016: Journal of Pediatrics
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...
2016: BMC Infectious Diseases
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
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
Christopher W Holmes, Sharon S F Koo, Husam Osman, Steven Wilson, Jacqueline Xerry, Chris I Gallimore, David J Allen, Julian W Tang
BACKGROUND/OBJECTIVES: Enteroviruses are the most common cause of aseptic or lymphocytic meningitis, particularly in children. With reports of unusually severe neurological disease in some patients infected with enterovirus D68 in North America, and a recent increase in the number of paediatric enterovirus meningitis cases presenting in this UK Midlands population, a retrospective regional surveillance study was performed. STUDY DESIGN: Cerebrospinal fluid (CSF) samples received were tested using the polymerase chain reaction (PCR) for HSV-1/2, VZV, enteroviruses and parechoviruses...
August 2016: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
L Jaramillo, S Smithee, S Tracy, N M Chapman
Domain I is a cloverleaf-like secondary structure at the 5' termini of all enterovirus genomes, comprising part of a cis-acting replication element essential for efficient enteroviral replication. 5' genomic terminal deletions up to as much as 55% of domain I can occur without lethality following coxsackie B virus infections. We report here that the entire CVB structural domain I can be deleted without lethality.
September 2016: Virology
Amary Fall, Ndongo Dia, Ousmane Kébé, Fatoumata Diene Sarr, Davy E Kiori, El Hadj Abdoul Khadir Cissé, Sara Sy, Deborah Goudiaby, Vincent Richard, Ousmane Madiagne Diop, Mbayame Ndiaye Niang
Different viruses have been identified as etiologic agents of respiratory tract infections, including severe cases. Among these, human rhinoviruses (HRVs) and human enteroviruses (HEVs) are recognized as leading causes. The present study describes the molecular epidemiology of HRVs and HEVs in Senegal over a 3-year surveillance period. From January 2012 to December 2014, nasopharyngeal and oropharyngeal swabs specimen were collected from patients with influenza-like illness (ILI). A real-time reverse transcription polymerase chain reaction was performed for HRV and HEV detection using the RV16 kit...
August 3, 2016: American Journal of Tropical Medicine and Hygiene
Young-Suk Cho, Manh-Hung Do, Se-Young Kwon, Changjong Moon, Kwonseop Kim, Keesook Lee, Sang-Jin Lee, Silvio Hemmi, Young-Eun Joo, Min Soo Kim, Chaeyong Jung
CD46 is a complement inhibitor membrane cofactor which also acts as a receptor for various microbes, including species B adenoviruses (Ads). While most Ad gene therapy vectors are derived from species C and infect cells through coxsackie-adenovirus receptor (CAR), CAR expression is downregulated in many cancer cells, resulting inefficient Ad-based therapeutics. Despite a limited knowledge on the expression status of many cancer cells, an increasing number of cancer gene therapy studies include fiber-modified Ad vectors redirected to the more ubiquitously expressed CD46...
June 21, 2016: Oncotarget
R Pretagostini, L Quirino, L Pettorini, M Garofalo, L Poli, F Melandro, G M Montalto, P B Berloco
INTRODUCTION: Viral myocarditis can emerge with various symptoms, including fatal arrhythmia and cardiogenic shock, potentially evolving in chronic myocarditis or dilatative cardiomyopathy. We report a case of a kidney transplant patient affected by coxsackie viral myocarditis. METHODS: A 49-year-old man was admitted to our hospital with dyspnea and fever in August 2014. He underwent living donor kidney transplantation in 1986 and polar graft resection for papillary carcinoma in 2012...
March 2016: Transplantation Proceedings
Sandra Pinkert, Carsten Röger, Jens Kurreck, Jeffrey M Bergelson, Henry Fechner
UNLABELLED: The coxsackievirus and adenovirus receptor (CAR) is a member of the immunoglobulin superfamily (IgSF) and functions as a receptor for coxsackie B viruses (CVBs). The extracellular portion of CAR comprises two glycosylated immunoglobulin-like domains, D1 and D2. CAR-D1 binds to the virus and is essential for virus infection; however, it is not known whether D2 is also important for infection, and the role of glycosylation has not been explored. To understand the function of these structural components in CAR-mediated CVB3 infection, we generated a panel of human (h) CAR deletion and substitution mutants and analyzed their functionality as CVB receptors, examining both virus binding and replication...
June 15, 2016: Journal of Virology
Xiao-Hua Sun, Jia Fu, Da-Qing Sun
Viral myocarditis (VMC) is an inflammation of heart muscle in infants and young adolescents. This study explored the function of halofuginone (HF) in Coxsackievirus B3 (CVB3) -treated suckling mice. HF-treated animal exhibited higher survival rate, lower heart/body weight, and more decreased blood sugar concentration than CVB3 group. HF also reduced the expressions of interleukin(IL)-17 and IL-23 and the numbers of Th17 cells. Moreover, HF downregulated pro-inflammatory cytokine levels and increased anti-inflammatory cytokine levels...
April 29, 2016: Biochemical and Biophysical Research Communications
Qian Li, Zhenhua Zheng, Yan Liu, Zhenfeng Zhang, Qingshi Liu, Jin Meng, Xianliang Ke, Qinxue Hu, Hanzhong Wang
UNLABELLED: The NF-κB signaling network, which is an ancient signaling pathway, plays a pivotal role in innate immunity and constitutes a first line of defense against invading pathogens, including viruses. However, numerous viruses possess evolved strategies to antagonize the activation of the NF-κB signaling pathway. Our previous study demonstrated that the nonstructural protein 2C of enterovirus 71 (EV71), which is the major pathogen of hand, foot, and mouth disease, inhibits tumor necrosis factor alpha (TNF-α)-mediated activation of NF-κB by suppressing IκB kinase β (IKKβ) phosphorylation...
May 15, 2016: Journal of Virology
Hans de Graaf, Emanuela Pelosi, Andrea Cooper, John Pappachan, Kim Sykes, Iain MacIntosh, Diane Gbesemete, Tristan W Clark, Sanjay V Patel, Saul N Faust, Marc Tebruegge
BACKGROUND: Most enterovirus surveillance studies lack detailed clinical data, which limits their clinical usefulness. This study aimed to describe the clinical spectrum and outcome of severe enterovirus infections in children, and to determine whether there are associations between causative enterovirus genotypes and clinical phenotypes. METHODS: Retrospective analysis of microbiological and clinical data from a tertiary children's hospital in the South of England over a 17-month period (2012-2013)...
July 2016: Pediatric Infectious Disease Journal
Ewa Nowalany-Kozielska, Monika Kozieł, Dorota Domal-Kwiatkowska, Celina Wojciechowska, Wojciech Jacheć, Damian Kawecki, Andrzej Tomasik, Brygida Przywara-Chowaniec, Ludmiła Węglarz, Edyta Reichman-Warmusz, Romuald Wojnicz
BACKGROUND: The impact of myocardial viral persistence on the clinical outcome of patients with dilated cardiomyopathy (DCM) is still open to question. METHODS: Fifty-two patients with DCM were enrolled and followed for a median of 3.8 years with respect to death or heart transplantation. Studied patients were clinically stable for at least 6 months before hospitalization. They underwent coronary angiography and endomyocardial biopsy. Specimens were examined by histo- and immunohistochemistry, and the viral genomes of parvovirus B19, cytomegalovirus (CMV), Coxsackie B virus (CVB), and hepatitis B and C viruses were studied by real-time polymerase chain reaction...
2015: Intervirology
Xiangang Fang, Baoqi Yang, Guizhi Zhou, Yongxia Liu, Furen Zhang
No abstract text is available yet for this article.
2015: Acta Dermatovenerologica Croatica: ADC
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