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Foot mouth disease

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https://www.readbyqxmd.com/read/28634750/t135i-substitution-in-the-nonstructural-protein-2c-enhances-foot-and-mouth-disease-virus-replication
#1
Tiangang Yuan, Haiwei Wang, Chen Li, Decheng Yang, Guohui Zhou, Li Yu
The foot-and-mouth disease virus (FMDV) nonstructural protein 3A plays an important role in viral replication, virulence, and host range. It has been shown that deletions of 10 or 19-20 amino acids in the C-terminal half of 3A attenuate serotype O and C FMDVs, which replicate poorly in bovine cells but normally in porcine-derived cells, and the C-terminal half of 3A is not essential for serotype Asia1 FMDV replication in BHK-21 cells. In this study, we constructed a 3A deletion FMDV mutant based on a serotype O FMDV, the wild-type virus O/YS/CHA/05, with a 60-amino acid deletion in the 3A protein sequence, between residues 84 and 143...
June 20, 2017: Virus Genes
https://www.readbyqxmd.com/read/28625478/a-neonatal-mouse-model-of-coxsackievirus-a10-infection-for-anti-viral-evaluation
#2
Shuxuan Li, Huan Zhao, Lisheng Yang, Wangheng Hou, Longfa Xu, Yangtao Wu, Wei Wang, Chunye Chen, Junkai Wan, Xiangzhong Ye, Zhenglun Liang, Qunying Mao, Tong Cheng, Ningshao Xia
Epidemiological data indicate that coxsackievirus A10 (CVA10) has become one of the main causative agents of hand, foot and mouth disease (HFMD) and in recent years has often been found to co-circulate with other enteroviruses, which poses a challenge for the prevention and control of HFMD. Although most CVA10-associated HFMD cases present mild symptoms, severe manifestations and even death can also occur. However, the study of the pathogenesis and the development of drugs and vaccines for CVA10 infection is still far from complete...
June 15, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28622860/immunogenicity-of-t7-bacteriophage-nanoparticles-displaying-g-h-loop-of-foot-and-mouth-disease-virus-fmdv
#3
Hai Xu, Xi Bao, Yu Lu, Yamei Liu, Bihua Deng, Yiwei Wang, Yue Xu, Jibo Hou
Foot-and-mouth disease (FMD) is a highly contagious disease of cloven-hoofed animals that causes severe economic losses worldwide. The G-H loop of the FMDV VP1 structural protein is the major neutralizing antigenic site. However, a fully protective G-H loop peptide vaccine requires the addition of promiscuous Th sites from a source outside VP1. Thus, we demonstrated the potential of T7 bacteriophage based nanoparticles displaying a genetically fused G-H loop peptide (T7-GH) as a FMDV vaccine candidate. Recombinant T7-GH phage was constructed by inserting the G-H loop coding region into the T7 Select 415-1b vector...
June 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28621671/association-study-of-inflammatory-cytokine-and-chemokine-expression-in-hand-foot-and-mouth-disease
#4
Wenzhong Shang, Suying Qian, Lijuan Fang, Yong Han, Cuiping Zheng
OBJECTIVE: To determine the relationship of cytokine/chemokine expression with the clinical presentation of hand, foot and mouth disease (HFMD). RESULTS: All cytokine/chemokine levels were higher in severe HFMD patients than in mild HFMD patients or controls (P < 0.01). RANTES, MCP-1, IL-4, IL-12 and IL-18 levels were higher in mild HFMD patients than in the controls (P < 0.05). In severe HFMD, all levels (except IL-8 and IL-4) were higher in patients with encephalitis plus pulmonary edema than in those with encephalitis alone (P < 0...
June 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28619169/inter-laboratory-validation-of-foot-and-mouth-disease-diagnostic-capability-in-germany
#5
Veronika Dill, Michael Eschbaumer, Martin Beer, Bernd Hoffmann
Germany has been free from foot-and-mouth disease virus (FMDV) without vaccination since 1992, but diagnostic capability at regional laboratories is maintained for FMDV exclusion in suspect cases and as surge capacity for outbreak preparedness. A proficiency test was initiated in 2015 to evaluate the diagnostic performance of 20 regional veterinary laboratories. A panel of two identical samples of FMDV genome for real-time reverse transcription polymerase chain reaction (RT-PCR), four lyophilized bovine sera for antibody detection and eight samples of inactivated vaccine antigen for analysis with a lateral-flow device (LFD) were tested with the systems routinely used at the participating institutions...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28619156/preserved-immunogenicity-of-an-inactivated-vaccine-based-on-foot-and-mouth-disease-virus-particles-with-improved-stability
#6
Flavia Caridi, Ángela Vázquez-Calvo, Belén Borrego, Kenneth McCullough, Artur Summerfield, Francisco Sobrino, Miguel A Martín-Acebes
Foot-and-mouth disease virus (FMDV) is the etiological agent of a highly contagious disease that affects important livestock species. Vaccines based on inactivated FMDV virions provide a useful tool for the control of this pathogen. However, long term storage at 4°C (the temperature for vaccine storage) or ruptures of the cold chain, provoke the dissociation of virions, reducing the immunogenicity of the vaccine. An FMDV mutant carrying amino acid replacements VP1 N17D and VP2 H145Y isolated previously rendered virions with increased resistance to dissociation at 4°C...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28619144/recombinant-human-adenovirus-5-expressing-capsid-proteins-of-indian-vaccine-strains-of-foot-and-mouth-disease-virus-elicits-effective-antibody-response-in-cattle
#7
B P Sreenivasa, J K Mohapatra, S J Pauszek, M Koster, V C Dhanya, R P Tamil Selvan, M Hosamani, P Saravanan, Suresh H Basagoudanavar, T de Los Santos, R Venkataramanan, L L Rodriguez, M J Grubman
Recombinant adenovirus-5 vectored foot-and-mouth disease constructs (Ad5- FMD) were made for three Indian vaccine virus serotypes O, A and Asia 1. Constructs co-expressing foot-and- mouth disease virus (FMDV) capsid and viral 3C protease sequences, were evaluated for their ability to induce a neutralizing antibody response in indigenous cattle (Bos indicus). Purified Ad5-FMD viruses were inoculated in cattle as monovalent (5×10(9) pfu/animal) or trivalent (5×10(9) pfu/animal per serotype) vaccines. Animals vaccinated with monovalent Ad5-FMD vaccines were boosted 63days later with the same dose...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28611398/derivation-and-validation-of-a-mortality-risk-score-for-severe-hand-foot-and-mouth-disease-in-china
#8
Jun Qiu, Xiulan Lu, Xiao Liu, Ping Zang, Wenjiao Zhao, Pingping Liu, Zhenghui Xiao
Outbreaks of hand, foot and mouth disease (HFMD) have increased recently, as has the case fatality rate in severe cases. No scoring system currently exists to predict mortality risk for severe HFMD in previous study. We retrospectively collected laboratory parameters for 546 patients with severe HFMD (a derivation and a validation cohort) at Hunan Children's Hospitals between January 2012 and December 2014. We developed a mortality risk score comprising four laboratory parameters: blood glucose (GLU), white blood cells (WBC), lactate (LAC), and N-terminal-probrain natriuretic peptide (NT-proBNP)...
June 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28606078/how-to-select-a-proper-early-warning-threshold-to-detect-infectious-disease-outbreaks-based-on-the-china-infectious-disease-automated-alert-and-response-system-cidars
#9
Ruiping Wang, Yonggen Jiang, Engelgau Michael, Genming Zhao
BACKGROUND: China Centre for Diseases Control and Prevention (CDC) developed the China Infectious Disease Automated Alert and Response System (CIDARS) in 2005. The CIDARS was used to strengthen infectious disease surveillance and aid in the early warning of outbreak. The CIDARS has been integrated into the routine outbreak monitoring efforts of the CDC at all levels in China. Early warning threshold is crucial for outbreak detection in the CIDARS, but CDCs at all level are currently using thresholds recommended by the China CDC, and these recommended thresholds have recognized limitations...
June 12, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28606077/evaluation-of-gaussia-luciferase-and-foot-and-mouth-disease-virus-2a-translational-interrupter-chimeras-as-polycistronic-reporters-for-transgene-expression
#10
Michael Puckette, Thomas Burrage, John G Neilan, Max Rasmussen
BACKGROUND: The Gaussia princeps luciferase is used as a stand-alone reporter of transgene expression for in vitro and in vivo expression systems due to the rapid and easy monitoring of luciferase activity. We sought to simultaneously quantitate production of other recombinant proteins by transcriptionally linking the Gaussia princeps luciferase gene to other genes of interest through the foot-and-mouth disease virus 2A translational interrupter sequence. RESULTS: We produced six plasmids, each encoding a single open reading frame, with the foot-and-mouth disease virus 2A sequence placed either N-terminal or C-terminal to the Gaussia princeps luciferase gene...
June 12, 2017: BMC Biotechnology
https://www.readbyqxmd.com/read/28602802/synonymous-codon-usage-analysis-of-hand-foot-and-mouth-disease-viruses-a-comparative-study-on-coxsackievirus-a6-a10-a16-and-enterovirus-71-from-2008-to-2015
#11
Weiheng Su, Xue Li, Meili Chen, Wenwen Dai, Shiyang Sun, Shuai Wang, Xin Sheng, Shixiang Sun, Chen Gao, Ali Hou, Yan Zhou, Bo Sun, Feng Gao, Jingfa Xiao, Zhewen Zhang, Chunlai Jiang
Enterovirus 71 (EV71) and coxsackievirus A16 (CVA16) have been considered major pathogens of hand, foot and mouth disease (HFMD) throughout the world for decades. In recent years, coxsackievirus A6 (CVA6) and coxsackievirus A10 (CVA10) have raised attention as two other serious pathogens of HFMD. The present study focused on the synonymous codon usage of four viruses isolated from 2008 to 2015, with particular attention on P1 (encoding capsid proteins) and P2-P3 regions (both encoding non-structural proteins) in the genomic RNA...
June 14, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28599321/first-detection-of-foot-and-mouth-disease-virus-o-ind-2001d-in-vietnam
#12
Le T Vu, Ngo T Long, Barbara Brito, Carolina Stenfeldt, Nguyen T Phuong, Bui H Hoang, Steven J Pauszek, Ethan J Hartwig, George R Smoliga, Pham P Vu, Le T V Quang, Vo V Hung, Nguyen D Tho, Pham V Dong, Phan Q Minh, Miranda Bertram, Ian H Fish, Luis L Rodriguez, Do H Dung, Jonathan Arzt
In recent years, foot-and-mouth disease virus (FMDV) serotype O, topotype Middle East-South Asia (ME-SA), lineage Ind-2001d has spread from the Indian subcontinent to the Middle East, North Africa, and Southeast Asia. In the current report, we describe the first detection of this lineage in Vietnam in May, 2015 in Đắk Nông province. Three subsequent outbreaks caused by genetically related viruses occurred between May-October, 2015 after which the virus was not detected in clinical outbreaks for at least 15 subsequent months...
2017: PloS One
https://www.readbyqxmd.com/read/28596404/complete-genome-sequence-of-human-echovirus-20-strain-812-yn-chn-2010-associated-with-severe-hand-foot-and-mouth-disease
#13
Yilin Zhao, Haihao Zhang, Hongbo Liu, Hao Sun, Xiaoqin Huang, Zhaoqing Yang, Shaohui Ma
Human echovirus 20 (E-20) belongs to the Human enterovirus B (HEV-B) species and is often detected in nonpolio enterovirus cases of acute flaccid paralysis. We determined the complete genome of strain 812/YN/CHN/2010, isolated from a child with severe hand-foot-and-mouth disease in Yunnan, China, in 2010.
June 8, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28594402/arrdc4-regulates-enterovirus-71-induced-innate-immune-response-by-promoting-k63-polyubiquitination-of-mda5-through-trim65
#14
Jun Meng, Zhenyu Yao, Yaqing He, Renli Zhang, Yanwei Zhang, Xiangjie Yao, Hong Yang, Long Chen, Zhen Zhang, Hailong Zhang, Xueqin Bao, Gang Hu, Tangchun Wu, Jinquan Cheng
Enterovirus 71 (EV71) is the main causative agent of hand, foot and mouth disease (HFMD), which induces significantly elevated levels of cytokines and chemokines, leading to local or system inflammation and severe complications, whereas the underlying regulatory mechanisms and the inflammatory pathogenesis remain elusive. ARRDC4 is one member of arrestins family, having important roles in glucose metabolism and G-protein-coupled receptors (GPCRs) related physiological and pathological processes, however, the function of ARRDC4 in innate immune system is largely unknown...
June 8, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28593131/mir-127-5p-negatively-regulates-enterovirus-71-replication-by-directly-targeting-scarb2
#15
Chunhong Feng, Yuxuan Fu, Deyan Chen, Huanru Wang, Airong Su, Li Zhang, Liang Chang, Nan Zheng, Zhiwei Wu
Enterovirus 71 (EV71) is the major causative agent of hand-foot-and-mouth disease in young children and can cause severe cerebral and pulmonary complications and even fatality. This study aimed at elucidating whether and how EV71 infection is regulated by a cellular microRNA, miR-127-5p. We found that miR-127-5p can downregulate the expression of SCARB2, a main receptor of EV71, by targeting two potential sites in its 3' UTR region and inhibit EV71 infection. Meanwhile, miR-127-5p expression was upregulated during EV71 infection...
June 2017: FEBS Open Bio
https://www.readbyqxmd.com/read/28592628/chemiluminescence-immunoassay-for-the-detection-of-antibodies-against-the-2c-and-3abc-nonstructural-proteins-induced-by-infecting-pigs-with-the-foot-and-mouth-disease-virus
#16
Zezhong Liu, Junjun Shao, Furong Zhao, Guangqing Zhou, Shandian Gao, Wei Liu, Jianliang Lv, Xiumei Li, Yangfan Li, Huiyun Chang, Yongguang Zhang
The potential diagnostic value of chemiluminescence immunoassays (CLIAs) has been accepted in recent years, although its use for foot-and-mouth disease (FMD) diagnostics has not been reported. Full-length 3ABC and 2C proteins were expressed in bacteria and purified by affinity chromatography to develop a rapid and accurate approach to distinguish pigs infected with foot-and-mouth disease virus (FMDV) from vaccinated pigs (DIVA). The recombinant proteins were then used as antigens to develop two CLIAs for the detection of antibodies against nonstructural viral proteins...
June 7, 2017: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/28587176/bifunctional-enzyme-jmjd6-contributes-to-multiple-disease-pathogenesis-new-twist-on-the-old-story
#17
REVIEW
Shiva Shankar Vangimalla, Murali Ganesan, Kusum K Kharbanda, Natalia A Osna
Jumonji domain-containing protein 6 (JMJD6) is a non-heme Fe(II) 2-oxoglutarate (2OG)-dependent oxygenase with arginine demethylase and lysyl hydroxylase activities. Its initial discovery as a dispensable phosphatidylserine receptor (PSR) in the cell membrane of macrophages for phagocytosis was squashed by newer studies which revealed its nuclear localization and bifunctional enzymatic activity. Though its interaction with several nuclear and cytoplasmic target proteins has been demonstrated, the exact mechanisms and clinical significance of these various biologic interplays are not yet well established...
June 1, 2017: Biomolecules
https://www.readbyqxmd.com/read/28577914/genetic-characterization-of-enterovirus-strains-identified-in-hand-foot-and-mouth-disease-hfmd-emergence-of-b1c-a-c1-subgenotypes-of-cva16-cva6-and-ev71-strains-in-india
#18
Nital N Ganorkar, Pooja P Fulmali, Sanjay S Tikute, Varanasi Gopalkrishna
Hand, Foot and Mouth disease (HFMD) is a common childhood disease and caused due to Enterovirus-A (EV-A), EV-B and EV-C species worldwide. Cases of HFMD were reported from, Ahmadabad (Gujarat, 2012) and Pune (Maharashtra, 2013-2014) in India. The present study highlights the identification of EV strains (CVA16, CVA6, CVA4 and Echo12), characterization of subgenotypes of CVA16, CVA6 strains identified during 2012-14 and CVA16, CVA6, EV71 strains reported from earlier study (2009-10) in HFMD cases from India...
May 31, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28577423/severe-hand-foot-and-mouth-disease-associated-with-coxsackievirus-a10-infections-in-xiamen-china-in-2015
#19
Mengyuan Chen, Shuizhen He, Qiang Yan, Xuerong Xu, Wenhui Wu, Shengxiang Ge, Shiyin Zhang, Min Chen, Ningshao Xia
BACKGROUND: Coxsackievirus A10 (CV-A10) is one of the etiological agents associated with hand, foot and mouth disease (HFMD) and usually causes mild cases. During 2009-2014, no severe cases caused by CV-A10 was reported in Xiamen, China, however, an increase in cases was seen in 2015. OBJECTIVES: We aimed to perform a retrospective molecular epidemiological analysis of HFMD associated with CV-A10 infections in Xiamen. STUDY DESIGN: CV-A10 VP1 (n=41) capsid and full-length or near full-length genomes (n=14) were sequenced...
May 11, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28576572/intradermal-injection-of-a-fractional-dose-of-an-inactivated-hfmd-vaccine-elicits-similar-protective-immunity-to-intramuscular-inoculation-of-a-full-dose-of-an-al-oh-3-adjuvanted-vaccine
#20
Min Li, Yueqiang Duan, Xiaolan Yang, Qiaozhi Yang, Baodong Pang, Yugang Wang, Tianyu Ren, Xiliang Wang, Zhongpeng Zhao, Songcai Liu
Enterovirus 71 (EV71) and Coxsackievirus A16 (CVA16) are the two major causative agents of hand, foot and mouth disease (HFMD), which erupts in the Asia-Pacific regions. A bivalent vaccine against both EV71 and CVA16 is highly desirable. In the present study, on the bases that an experimental bivalent vaccine comprising of inactivated EV71 and CVA16 induces a balanced protective immunity against both EV71 and CVA16, we compare the immunogenicity and reactogenicity of one fourth of a full dose of an intradermal vaccine administered by needle-free liquid jet injector with a full dose of an intramuscular vaccine administered by needle-syringe in monkeys...
May 30, 2017: Vaccine
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