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https://www.readbyqxmd.com/read/29778790/applicability-of-integrated-cell-culture-reverse-transcriptase-quantitative-pcr-icc-rtqpcr-for-the-simultaneous-detection-of-the-four-human-enteric-enterovirus-species-in-disinfection-studies
#1
Hodon Ryu, Karen A Schrantz, Nichole E Brinkman, Laura A Boczek
A newly developed integrated cell culture reverse transcriptase quantitative PCR (ICC-RTqPCR) method and its applicability in UV disinfection studies is described. This method utilizes a cell culture system coupled with four RTqPCR assays to detect four species of human enterovirus (e.g., Enterovirus A, Enterovirus B, Enterovirus C and Enterovirus D). Evaluation of the RTqPCR assays was conducted with coxsackievirus A10, echovirus 30, poliovirus 1 and enterovirus 70 and resulted in 100% specificity for the tested assays...
May 17, 2018: Journal of Virological Methods
https://www.readbyqxmd.com/read/29777102/a-virus-like-particle-based-tetravalent-vaccine-for-hand-foot-and-mouth-disease-elicits-broad-and-balanced-protective-immunity
#2
Wei Zhang, Wenlong Dai, Chao Zhang, Yu Zhou, Pei Xiong, Shuxia Wang, Xiaohua Ye, Qingwei Liu, Dongming Zhou, Zhong Huang
Hand, foot, and mouth disease (HFMD) is an infectious disease that mainly affects infants and children, causing considerable morbidity and mortality worldwide. HFMD is commonly caused by enterovirus 71 (EV71) and coxsackieviruses A16 (CVA16), A6 (CVA6), and A10 (CVA10). Formalin-inactivated EV71 vaccines are currently available in China; however, these vaccines fail to confer cross-protection against infections by other HFMD-causing enteroviruses, highlighting the necessity of developing a multivalent HFMD vaccine...
May 18, 2018: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/29774468/salivary-anti-coxsackievirus-b4-neutralizing-activity-and-pattern-of-immune-parameters-in-patients-with-type-1-diabetes-a-pilot-study
#3
Magloire Pandoua Nekoua, Akadiri Yessoufou, Enagnon Kazali Alidjinou, Francis Badia-Boungou, Kabirou Moutairou, Famara Sane, Didier Hober
AIMS: Enteroviruses, especially coxsackieviruses B (CV-B), have been associated with the pathogenesis of type 1 diabetes (T1D). An anti-CV-B4 neutralizing activity in saliva of T1D patients was previously reported. Our aim was to study the association between the saliva anti-CV-B4 neutralizing activity and immune parameters in T1D patients in comparison with non-diabetic individuals. METHODS: Saliva and blood samples were collected from 15 T1D patients and 8 controls...
May 17, 2018: Acta Diabetologica
https://www.readbyqxmd.com/read/29758237/rapid-detection-of-hand-foot-and-mouth-disease-enterovirus-genotypes-by-multiplex-pcr
#4
Min Wang, Qian Ren, Zhenjie Zhang, Lehai Zhang, Michael J Carr, Juan Li, Hong Zhou, Weifeng Shi
Hand, foot and mouth disease (HFMD) is a pediatric disease associated with infection by enterovirus (EV) genotypes. The major HFMD EV pathogens are enterovirus A71 (EVA71) and coxsackievirus A16 (CVA16); however, recently, coxsackievirus A6 (CVA6) and coxsackievirus A10 (CVA10) have also emerged. EV genotypes cannot be distinguished on clinical grounds and a new methodology for the rapid detection of the four major HFMD EV genotypes is urgently required. In the present study, a multiplex real-time PCR assay was established for the simultaneous detection of CVA6, CVA10, CVA16 and EVA71...
May 11, 2018: Journal of Virological Methods
https://www.readbyqxmd.com/read/29739716/the-immunogenicity-and-protection-effect-of-an-inactivated-coxsackievirus-a6-a10-and-a16-vaccine-against-hand-foot-and-mouth-disease
#5
Heeji Lim, Hyun Ju In, Jung-Ah Lee, Jung Sik Yoo, Sang-Won Lee, Gyung Tae Chung, Young Ki Choi, Jae Keun Chung, Sun Ju Cho, June-Woo Lee
Coxsackievirus belongs to the Enterovirus genus of the Picornaviridae family and is one of the major pathogens associated with human hand, foot, and mouth disease (HFMD). Historically, outbreaks of HFMD have mainly been caused by enterovirus 71 and coxsackievirus A16. Recently, coxsackieviruses A6 and A10 have been associated with increased occurrences of sporadic HFMD cases and outbreak events globally. In this study, the immunogenicity of coxsackieviruses A6, A10, and A16 (CA6, CA10, and CA16), which were inactivated by formalin or β-propiolactone (BPL) under different conditions, was evaluated as multivalent vaccine candidates...
May 5, 2018: Vaccine
https://www.readbyqxmd.com/read/29739251/heparan-sulfate-binding-coxsackievirus-b3-strain-pd-a-novel-avirulent-oncolytic-agent-against-human-colorectal-carcinoma
#6
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
#7
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/29712754/arrayed-crispr-screen-with-image-based-assay-reliably-uncovers-host-genes-required-for-coxsackievirus-infection
#8
Heon Seok Kim, Kyungjin Lee, Seong-Jun Kim, Sungchan Cho, Hye Jin Shin, Chonsaeng Kim, Jin-Soo Kim
Pooled CRISPR screens based on lentiviral systems have been widely applied to identify the effect of gene knockout on cellular phenotype. Although many screens were successful, they also have the limitation that genes conferring mild phenotypes or those essential for growth can be overlooked, as every genetic perturbation is incorporated in the same population. Arrayed screens, on the other hand, incorporate a single genetic perturbation in each well and could overcome these limitations. However, arrayed screens based on siRNA-mediated knockdown were recently criticized for low reproducibility caused by incomplete inhibition of gene expression...
April 30, 2018: Genome Research
https://www.readbyqxmd.com/read/29709992/characterization-of-virucidal-activities-of-chlorous-acid
#9
Hisataka Goda, Keiko Ikeda, Mitsunori Nishide, Tamiko Nagao, A Hajime Koyama
Virucidal effects of chlorous acid on enveloped and non-enveloped viruses were characterized. The virucidal activity was prominent against the enveloped viruses. However, some viruses among non-enveloped viruses, such as human rhinovirus and feline calicivirus, showed significant sensitivity to the reagent while the other, poliovirus and coxsackievirus, showed weak sensitivity, suggesting the presence of two classes of sensitivity among non-enveloped viruses against the reagent. In addition, characterization of the mode of inactivation by the reagent revealed that this inactivation of virus is strongly dependent on virus species, contaminated proteins and composition of solvent system...
April 27, 2018: Japanese Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29686973/microrna-4516-contributes-to-different-functions-of-epithelial-permeability-barrier-by-targeting-poliovirus-receptor-related-protein-1-in-enterovirus-71-and-coxsackievirus-a16-infections
#10
Yajie Hu, Jie Song, Longding Liu, Ying Zhang, Lichun Wang, Qihan Li
Enterovirus 71 (EV-A71) and coxsackievirus A16 (CV-A16) remain the predominant etiological agents of hand, foot, and mouth disease (HFMD). The clinical manifestations caused by the two viruses are obviously different. CV-A16 usually triggers a repeated infection, and airway epithelial integrity is often the potential causative factor of respiratory repeated infections. Our previous studies have demonstrated that there were some differentially expressed miRNAs involved in the regulation of adhesion function of epithelial barrier in EV-A71 and CV-A16 infections...
2018: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/29681460/kremen1-is-a-host-entry-receptor-for-a-major-group-of-enteroviruses
#11
Jacqueline Staring, Lisa G van den Hengel, Matthijs Raaben, Vincent A Blomen, Jan E Carette, Thijn R Brummelkamp
Human type A Enteroviruses (EV-As) cause diseases ranging from hand-foot-and-mouth disease to poliomyelitis-like disease. Although cellular receptors are identified for some EV-As, they remain elusive for the majority of EV-As. We identify the cell surface molecule KREMEN1 as an entry receptor for coxsackievirus A10 (CV-A10). Whereas loss of KREMEN1 renders cells resistant to CV-A10 infection, KREMEN1 overexpression enhances CV-A10 binding to the cell surface and increases susceptibility to infection, indicating that KREMEN1 is a rate-limiting factor for CV-A10 infection...
May 9, 2018: Cell Host & Microbe
https://www.readbyqxmd.com/read/29650033/enterovirus-serotypes-in-patients-with-central-nervous-system-and-respiratory-infections-in-viet-nam-1997-2010
#12
Nguyen Thi Thuy Chinh B'Krong, Ngo Ngoc Quang Minh, Phan Tu Qui, Tran Thi Hong Chau, Ho Dang Trung Nghia, Lien Anh Ha Do, Nguyen Ngoc Nhung, Nguyen Van Vinh Chau, Guy Thwaites, Le Van Tan, H Rogier van Doorn, Tran Tan Thanh
BACKGROUND: Enteroviruses are the most common causative agents of human illness. Enteroviruses have been associated with regional and global epidemics, recently, including with severe disease (Enterovirus A71 and D68), and are of interest as emerging viruses. Here, we typed Enterovirus A-D (EV) from central nervous system (CNS) and respiratory infections in Viet Nam. METHODS: Data and specimens from prospective observational clinical studies conducted between 1997 and 2010 were used...
April 12, 2018: Virology Journal
https://www.readbyqxmd.com/read/29626210/the-life-cycle-of-non-polio-enteroviruses-and-how-to-target-it
#13
REVIEW
Jim Baggen, Hendrik Jan Thibaut, Jeroen R P M Strating, Frank J M van Kuppeveld
The genus Enterovirus (EV) of the family Picornaviridae includes poliovirus, coxsackieviruses, echoviruses, numbered enteroviruses and rhinoviruses. These diverse viruses cause a variety of diseases, including non-specific febrile illness, hand-foot-and-mouth disease, neonatal sepsis-like disease, encephalitis, paralysis and respiratory diseases. In recent years, several non-polio enteroviruses (NPEVs) have emerged as serious public health concerns. These include EV-A71, which has caused epidemics of hand-foot-and-mouth disease in Southeast Asia, and EV-D68, which recently caused a large outbreak of severe lower respiratory tract disease in North America...
April 6, 2018: Nature Reviews. Microbiology
https://www.readbyqxmd.com/read/29625659/inhibition-of-coxsackievirus-b4-by-lactobacillus-plantarum
#14
Mattia Pia Arena, Firas Elmastour, Famara Sane, Djamel Drider, Daniela Fiocco, Giuseppe Spano, Didier Hober
The enterovirus Coxsackievirus B4 (CV-B4) can infect different human tissues and provoke abnormal function or destruction of various organs and cells. Moreover, its infections have been linked to the onset of type 1 diabetes. Coxsackievirus B4 is classified as a "challenging virus", due to the intense yet vain efforts to find effective prevention and therapeutic agents, especially within biological compounds. Lactobacillus plantarum is a lactic acid bacterium that is endowed with probiotic properties, and holds great potential for applications in medical and food industry sectors...
May 2018: Microbiological Research
https://www.readbyqxmd.com/read/29625085/progranulin-ameliorates-coxsackievirus-b3-induced-viral-myocarditis-by-downregulating-th1-and-th17-cells
#15
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/29615683/non-neutralizing-antibody-responses-against-vp1-in-enterovirus-a-b-c-and-rhinovirus-a-species-among-infants-and-children-in-shanghai
#16
Yingying Ding, Bing Rui, Caixia Gao, Menghua Xu, Lili Wang, Chunyan Zhao, Jie Bai, Jinhong Wang, Jin Xu, Wei Pan
The overall non-neutralizing antibody responses against EV infections among infants and children remain unknown. The non-neutralizing antibody responses against VP1 of EV-A species (Enterovirus 71 (EV71), Coxsackievirus A16 (CA16)), EV-B species (Coxsackievirus B3 (CB3)), EV-C species (Poliovirus 1 (PV1)) and RV-A species (Rhinovirus A N13 (RV13)) were detected and analyzed using a novel evolved immunoglobulin-binding molecule (NEIBM)-based ELISA among infants and children aged 1 day to 6 years in Shanghai...
April 3, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29593492/enteroviral-infection-the-forgotten-link-to-amyotrophic-lateral-sclerosis
#17
REVIEW
Yuan Chao Xue, Ralph Feuer, Neil Cashman, Honglin Luo
Amyotrophic lateral sclerosis (ALS) is a devastating neurodegenerative disease that primarily attacks motor neurons in the brain and spinal cord, leading to progressive paralysis and ultimately death. Currently there is no effective therapy. The majority of ALS cases are sporadic, with no known family history; unfortunately the etiology remains largely unknown. Contribution of Enteroviruses (EVs), a family of positive-stranded RNA viruses including poliovirus, coxsackievirus, echovirus, enterovirus-A71 and enterovirus-D68, to the development of ALS has been suspected as they can target motor neurons, and patients with prior poliomyelitis show a higher risk of motor neuron disease...
2018: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29587191/an-emerging-and-expanding-clade-accounts-for-the-persistent-outbreak-of-coxsackievirus-a6-associated-hand-foot-and-mouth-disease-in-china-since-2013
#18
Shuizhen He, Mengyuan Chen, Wenhui Wu, Qiang Yan, Zhihao Zhuo, Xiaosong Su, Shiyin Zhang, Shengxiang Ge, Ningshao Xia
Enterovirus (EV)-A71 and Coxsackievirus (CV)-A16 have historically been the major pathogens of hand, foot, and mouth disease (HMFD) in China; however, CV-A6, which had previously received little attention, became the predominant pathogen in 2013, and has remained one of the common pathogens since then. In this work, we conducted a molecular epidemiology study of CV-A6-associated HFMD in Xiamen from 2009 to 2015. The data showed CV-A6 pandemics had a certain periodicity rather than occurring randomly. Evolution analysis based on near-complete VP1 nucleotide sequences showed subgenotype D5 lineage 4 strains account for the persistent outbreak of CV-A6-associated HFMD in China since 2013...
March 24, 2018: Virology
https://www.readbyqxmd.com/read/29563294/divergent-pathogenic-properties-of-circulating-coxsackievirus-a6-associated-with-emerging-hfmd
#19
Shao-Hua Wang, Ao Wang, Pan-Pan Liu, Wen-Yan Zhang, Juan Du, Shuang Xu, Guan-Chen Liu, Bai-Song Zheng, Chen Huan, Ke Zhao, Xiao-Fang Yu
Coxsackievirus A6 (CV-A6) is an emerging pathogen associated with hand, foot, and mouth disease (HFMD). Its genetic characterization and pathogenic properties are largely unknown. Here, we report 39 circulating CV-A6 strains isolated in 2013 from HFMD patients in Northeast China. Three major clusters of CV-A6 were identified and related to CV-A6 mostly from Shanghai, indicating that domestic CV-A6 strains were responsible for HFMD emerging in Northeast China. Four full-length CV-A6 genomes representing each cluster were sequenced and analyzed further...
March 21, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29562184/enteroviral-infection-inhibits-autophagic-flux-via-disruption-of-the-snare-complex-to-enhance-viral-replication
#20
Yasir Mohamud, Junyan Shi, Junyan Qu, Tak Poon, Yuan Chao Xue, Haoyu Deng, Jingchun Zhang, Honglin Luo
Picornaviruses have evolved to hijack host cellular machinery, including the autophagic pathway. However, the mechanisms remain largely unclear. We use coxsackievirus B3 (CVB3) as a model organism to explore the possible role of picornavirus subversion of the autophagic pathway in viral infection. Our in vivo and in vitro experiments demonstrate that CVB3 infection causes a significant, albeit incomplete, inhibition of autophagic flux by limiting the fusion of autophagosomes with lysosomes and/or late endosomes...
March 20, 2018: Cell Reports
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