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Wei Li, Hui-Hui Gao, Qiong Zhang, Yu-Jie Liu, Ran Tao, Yu-Ping Cheng, Qiang Shu, Shi-Qiang Shang
Herpangina, usually caused by coxsackie virus A, is prevalent in children spreading through the fecal-oral transmission and the respiratory droplets dissemination. Also, it is mostly asymptomatic and self-limiting. In our study, we found that large outbreak of herpangina in children occurred in the summer of 2015 in Hangzhou, China. From May 1th to August 31th, a total of 10 210 children were diagnosed with herpangina in Children's Hospital of Zhejiang University School of Medicine. 2 310 throat swabs were collected and tested for enterovirus detection by real-time RT-PCR, while 1 651 cases were positive with the rate of 71...
October 18, 2016: Scientific Reports
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
Lucile Gonnaud, Maria M Alves, Clara Cremillieux, Kareen Billiemaz, Sylvie Destombe, François Varlet, Manuel Lopez, Laurène Trapes, Renaud Touraine, Robert M W Hofstra, Hugues Patural
Congenital short-bowel syndrome (CSBS) is a rare neonatal pathology associated with poor prognosis and high mortality rate. We describe a newborn presenting CSBS intestinal malrotation and chronic intestinal pseudo-obstruction syndrome (CIPS), compound heterozygous for two previously unreported heterozygous mutations in Coxsackie and adenovirus receptor-like membrane protein (CLMP) gene, one in intron 1 (c.28+1G>C), the other on exon 4 (c502C>T, p.R168X). Both mutations are predicted to be pathogenic, leading to impaired splicing and the appearance of a premature stop codon, respectively...
October 3, 2016: Clinics and Research in Hepatology and Gastroenterology
De Gui Wang, Mei-Jun Zhao, Yong-Qiang Liu, Xiang-Wen Liu, Hai-Tao Niu, Yan-Feng Song, Ying-Xia Tian
Adenovirus-mediated gene therapy is a promising strategy for bladder cancer treatment. However, the loss of the coxsackie and adenovirus receptor (CAR) in bladder cancer cells decreases the infection efficiency of the therapeutic adenovirus. In this study, we constructed an Arg-Gly-Asp (RGD)-modified adenovirus, RGDAd-UPII-TK, that carries a suicide gene called HSV-TK that is driven by a human UPII promoter. Then, we tested the bladder cancer specificity of the UPII promotor and the expression of the HSV-TK protein...
September 28, 2016: Oncotarget
Daniel Becker, Zuzanna Kaczmarska, Christoph Arkona, Robert Schulz, Carolin Tauber, Gerhard Wolber, Rolf Hilgenfeld, Miquel Coll, Jörg Rademann
Small-molecule fragments binding to biomacromolecules can be starting points for the development of drugs, but are often difficult to detect due to low affinities. Here we present a strategy that identifies protein-binding fragments through their potential to induce the target-guided formation of covalently bound, irreversible enzyme inhibitors. A protein-binding nucleophile reacts reversibly with a bis-electrophilic warhead, thereby positioning the second electrophile in close proximity of the active site of a viral protease, resulting in the covalent de-activation of the enzyme...
2016: Nature Communications
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
Olga J Baker
Tight junctions form a continuous intercellular barrier between epithelial cells that is required to separate tissue spaces and regulate selective movement of solutes across the epithelium. They are composed of strands containing integral membrane proteins (e.g., claudins, occludin and tricellulin, junctional adhesion molecules and the coxsackie adenovirus receptor). These proteins are anchored to the cytoskeleton via scaffolding proteins such as ZO-1 and ZO-2. In salivary glands, tight junctions are involved in polarized saliva secretion and barrier maintenance between the extracellular environment and the glandular lumen...
July 2016: Tissue Barriers
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
Anurag Sharma, Yaqin Xu, Biin Sung, Theresa C Vincent, Tilla Worgall, Stefan Worgall
The coxsackievirus and adenovirus receptor (CAR), in addition to serving as viral receptor, is a component of tight junctions and plays an important role in tissue homeostasis. Defects in the cystic fibrosis transmembrane regulator (CFTR) in lung epithelial cells are linked to inflammation and susceptibility for respiratory tract infections. Here we demonstrate that CAR expression and infectivity with adenovirus (Ad) are increased in cystic fibrosis (CF) airway epithelial cells. Inhibition of CFTR or histone deacetylase (HDAC) enhanced CAR expression while CFTR overexpression or restoration of the diminished HDAC activity in CF cells reduced CAR expression...
August 16, 2016: Cellular Microbiology
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
Ying-Yu Ma, Xiao-Jun Wang, Yong Han, Gang Li, Hui-Ju Wang, Shi-Bing Wang, Xiao-Yi Chen, Fan-Long Liu, Xiang-Lei He, Xiang-Min Tong, Xiao-Zhou Mou
The coxsackie and adenovirus receptor (CAR) is considered a tumor suppressor and critical factor for the efficacy of therapeutic strategies that employ the adenovirus. However, data on CAR expression levels in colorectal cancer are conflicting and its clinical relevance remains to be elucidated. Immunohistochemistry was performed on tissue microarrays containing 251 pairs of colon cancer and adjacent normal tissue samples from Chinese Han patients to assess the expression levels of CAR. Compared with healthy mucosa, decreased CAR expression (40...
September 2016: Molecular Medicine Reports
Jae-Hoon Kim, Prasanna Weeratunga, Myun Soo Kim, Chamilani Nikapitiya, Byeong-Hoon Lee, Md Bashir Uddin, Tae-Hwan Kim, Ji-Eun Yoon, Chung Park, Jin Yeul Ma, Hongik Kim, Jong-Soo Lee
BACKGROUND: Cortex Phellodendri (C. Phellodendri), the dried trunk bark of Phellodendron amurense Ruprecht, has been known as a traditional herbal medicine, showing several bioactivities. However, antiviral activity of C. Phellodendri aqueous extract (CP) not reported in detail, particularly aiming the prophylactic effectiveness. METHODS: In vitro CP antiviral activity evaluated against Influenza A virus (PR8), Vesicular Stomatitis Virus (VSV), Newcastle Disease Virus (NDV), Herpes Simplex Virus (HSV), Coxsackie Virus (H3-GFP) and Enterovirus-71 (EV-71) infection on immune (RAW264...
2016: BMC Complementary and Alternative Medicine
Y J Mao, L Sun, J G Xie, K K W Yau
Hand-foot-mouth disease (HFMD) is a frequently occurring epidemic and has been an important cause of childhood mortality in China. Given the disease's significant impact nationwide, the epidemiological characteristics and spatio-temporal clusters in Fuyang from 2008 to 2013 were analysed in this study. The disease exhibits strong seasonality with a rising incidence. Of the reported HFMD cases, 63·7% were male and 95·2% were preschool children living at home. The onset of HFMD is age-dependent and exhibits a 12-month periodicity, with 12-, 24- and 36-month-old children being the most frequently affected groups...
November 2016: Epidemiology and Infection
Ye Fan, Xingui Tian, Chunyan Xue, Minglong Liu, Zhichao Zhou, Xiao Li, Chenyang Li, Rong Zhou
Objective To develop the monoclonal antibodies (mAbs) against enterovirus type 71 (EV71). Methods Two neutralization epitopes, SP70 and SP55, from EV71 were cloned into the hexon gene of adenovirus type 3 to generate a recombinant adenovirus type 3 (R1R2A3) presenting SP70 and SP55 antigens. BALB/c mice were immunized with the R1R2A3. The mAbs were developed with hybridoma technology and were analyzed with microneutralizing assay, indirect ELISA, Western blotting and direct immunofluorescence assay (DFA). Results The study obtained four hybridoma cell clones, 2C4, D2C9, I2G2 and I12C3...
August 2016: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
Nian-Hua Zhang, Rui-Qing Peng, Ya Ding, Xiao-Shi Zhang
The adenovirus vector-based cancer gene therapy is controversial. Low transduction efficacy is believed to be one of the main barriers for the decreased expression of coxsackie and adenovirus receptor (CAR) on tumor cells. However, the expression of CAR on primary tumor tissue and tumor tissue survived from treatment has still been not extensively studied. The present study analyzed the adenovirus infection rates and CAR expression in human lung adenocarcinoma cell line A549 and its cisplatin-resistant subline A549/DDP...
August 2016: Oncology Reports
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
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