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https://www.readbyqxmd.com/read/27906614/development-of-new-forms-of-self-injurious-behavior-following-total-dental-extraction-in-lesch-nyhan-disease
#1
Livia Gisbert de la Cuadra, Rosa J Torres, Luis M Beltrán, Arantxa Sánchez, Juan G Puig
We report two Lesch-Nyhan Disease (LND) patients who developed new forms of self-injurious behavior following total dental extraction. Patients 1 and 2 were submitted to total teeth extraction at the age of 13 and 8 years, respectively, due to continuous self-biting, not prevented by mouth guards. Severity of dystonia was markedly reduced and quality of life improved. After 12 and 17 months, respectively, patient 1 started rubbing one foot against other and scratching toenails with his hands, and patient 2 stuck his legs and feet against hard objects...
December 2016: Nucleosides, Nucleotides & Nucleic Acids
https://www.readbyqxmd.com/read/27905343/unilateral-hemorrhagic-maculopathy-an-uncommon-manifestation-of-hand-foot-and-mouth-disease
#2
Manish Tandon, Abhishek Gupta, Priyanka Singh, Gnanavelu N Subathra
Hand, foot, and mouth disease (HFD) is a common systemic infection occurring in childhood or immunocompromised adults caused by enteroviruses, the most common being coxsackievirus A16 and enterovirus 71. It is characterized by maculopapular eruptions over the hands and feet and ulcerative stomatitis. Ocular involvement is a rare complication and commonly manifests as inflammatory macular pathology. We report a case of HFD in an immunocompetent adult male with unilateral ocular involvement presenting as hemorrhagic maculopathy and its management with complete anatomical and functional recovery...
October 2016: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/27902359/determinants-of-the-vp1-2a-junction-cleavage-by-the-3c-protease-in-foot-and-mouth-disease-virus-infected-cells
#3
Thea Kristensen, Preben Normann, Maria Gullberg, Ulrik Fahnøe, Charlotta Polacek, Thomas Bruun Rasmussen, Graham J Belsham
The foot-and-mouth disease virus (FMDV) capsid precursor, P1-2A, is cleaved by FMDV 3C protease to yield VP0, VP3, VP1 and 2A. Cleavage of the VP1/2A junction is the slowest. Serotype O FMDVs with uncleaved VP1-2A (having a K210E substitution in VP1; at position P2 in cleavage site) have been described previously and acquired a second site substitution (VP1 E83K) during virus rescue. Furthermore, introduction of the VP1 E83K substitution alone generated a second site change at the VP1/2A junction (2A L2P, position P2' in cleavage site)...
November 18, 2016: Journal of General Virology
https://www.readbyqxmd.com/read/27898715/hand-foot-and-mouth-disease-in-hunan-province-china-2009-2014-epidemiology-and-death-risk-factors
#4
Kai-Wei Luo, Li-Dong Gao, Shi-Xiong Hu, Hong Zhang, Zhi-Hong Deng, Wei Huang, Qian-Lai Sun, Fan Zhang, Si-Yu Zhang, Yu Chen
Hand, foot, and mouth disease (HFMD) is an arising public health problem in Asia, including China. Epidemiological data is necessary to enable judicious public health responses and interventions. We analyzed the epidemiological and laboratory data of 759,301 HFMD cases reported to the Hunan Provincial Center for Disease Control and Prevention from 1 January 2009 to 31 December 2014. Univariate and multivariable conditional logistic regression analyses were used to identify risk factors of fatality in HFMD. The incidence of HFMD was highest among children aged 1-3 years, compared with other age groups...
2016: PloS One
https://www.readbyqxmd.com/read/27894355/generation-of-mabs-to-foot-and-mouth-disease-virus-serotype-a-and-application-in-a-competitive-elisa-for-serodiagnosis
#5
Ming Yang, Wanhong Xu, Hilary Bittner, Jacquelyn Horsington, Wilna Vosloo, Melissa Goolia, Diana Lusansky, Charles Nfon
BACKGROUND: Foot-and-mouth disease (FMD) is an economically devastating disease that severely limits international trade of animals. Of the seven FMD virus (FMDV) serotypes, serotype A is one of the most widespread cross the world. Currently antibodies to FMDV are detected in animals using the virus neutralization test (VNT) and the enzyme-linked immunosorbent assay (ELISA). The VNT is laborious, time-consuming and reliant on live virus and cell cultures, while ELISA has the advantage of using inactivated antigens and often provides more reproducible results...
November 28, 2016: Virology Journal
https://www.readbyqxmd.com/read/27894305/identification-of-molecular-determinants-of-cell-culture-growth-characteristics-of-enterovirus-71
#6
Pinn Tsin Isabel Yee, Kuan Onn Tan, Iekhsan Othman, Chit Laa Poh
BACKGROUND: Hand, foot and mouth disease is caused by Enterovirus 71 (EV-A71) and Coxsackieviruses. EV-A71 infection is associated with high fever, rashes and ulcers but more severe symptoms such as cardiopulmonary failure and death have been reported. The lack of vaccines highlighted the urgency of developing preventive agents against EV-A71. The molecular determinants of virulent phenotypes of EV-A71 is unclear. It remains to be investigated if specific molecular determinants would affect the cell culture growth characteristics of the EV-A71 fatal strain in Rhabdomyosarcoma (RD) cells...
November 28, 2016: Virology Journal
https://www.readbyqxmd.com/read/27894299/evolutionary-phylodynamics-of-foot-and-mouth-disease-virus-serotypes-o-and-a-circulating-in-vietnam
#7
Van Phan Le, Thi Thu Hang Vu, Hong-Quan Duong, Van Thai Than, Daesub Song
BACKGROUND: Foot-and-mouth disease virus (FMDV) is one of the highest risk factors that affects the animal industry of the country. The virus causes production loss and high ratio mortality in young cloven-hoofed animals in Vietnam. The VP1 coding gene of 80 FMDV samples (66 samples of the serotype O and 14 samples of the serotype A) collected from endemic outbreaks during 2006-2014 were analyzed to investigate their phylogeny and genetic relationship with other available FMDVs globally...
November 29, 2016: BMC Veterinary Research
https://www.readbyqxmd.com/read/27890633/comparison-analysis-of-micrornas-in-response-to-ev71-and-ca16-infection-in-human-bronchial-epithelial-cells-by-high-throughput-sequencing-to-reveal-differential-infective-mechanisms
#8
Yajie Hu, Jie Song, Longding Liu, Jing Li, Beibei Tang, Ying Zhang, Jingjing Wang, Lichun Wang, Shengtao Fan, Ming Feng, Qihan Li
Hand, foot, and mouth disease (HFMD) mainly caused by Enterovirus 71 (EV71) and coxsackievirus A16 (CA16) infections which presented significantly different clinical manifestations. Nevertheless, the factors underlying these differences remain unclear. Recently, the functions of microRNAs (miRNAs) in pathogen-host interactions have been highlighted. Here, we performed comprehensive miRNA profiling in EV71- and CA16-infected human bronchial epithelial (16HBE) cells at multiple time points using high-throughput sequencing...
November 24, 2016: Virus Research
https://www.readbyqxmd.com/read/27886439/efficacy-of-accelerated-hydrogen-peroxide-%C3%A2-disinfectant-on-foot-and-mouth-disease-virus-swine-vesicular-disease-virus-and-senecavirus-a
#9
Kate Hole, Faraz Ahmadpour, Jay Krishnan, Carol Stansfield, John Copps, Charles Nfon
AIMS: In a laboratory disinfectants used to inactivate pathogens on contaminated surfaces and prevent spread of diseases often have adverse side effects on personnel and the environment. It is therefore essential to find safer, fast-acting and yet effective disinfectants. The objective of this study was to evaluate an accelerated hydrogen peroxide(®) (AHP(®) ) - based disinfectant against high consequence foreign animal disease pathogens such as foot-and mouth disease virus (FMDV) and swine vesicular disease virus (SVDV), as well as Senencavirus A (SVA), which causes similar lesions as FMDV and SVDV...
November 25, 2016: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/27879048/coordinated-protein-co-expression-in-plants-by-harnessing-the-synergy-between-an-intein-and-a-viral-2a-peptide
#10
Bei Zhang, Madhusudhan Rapolu, Sandeep Kumar, Manju Gupta, Zhibin Liang, Zhenlin Han, Philip Williams, Wei Wen Su
A novel approach is developed for coordinated expression of multiple proteins from a single transgene in plants. An Ssp DnaE mini-intein variant engineered for hyper N-terminal autocleavage is covalently linked to the foot-and-mouth disease virus 2A (F2A) peptide with unique ribosome skipping property, via a peptide linker, to create an "IntF2A" self-excising fusion protein domain. This IntF2A domain acts, in cis, to direct highly effective release of its flanking proteins of interest (POI) from a "polyprotein" precursor in plants...
November 23, 2016: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/27878462/enterovirus-a71-and-coxsackievirus-a16-show-different-replication-kinetics-in-human-neuronal-and-non-neuronal-cell-lines
#11
Thinesshwary Yogarajah, Kien Chai Ong, David Perera, Kum Thong Wong
Enterovirus A71 (EV-A71) and coxsackievirus A16 (CV-A16) are closely related enteroviruses that cause hand, foot and mouth disease (HFMD) in children. Serious neurological complications almost always occur in EV-A71 infection, but are rare in CV-A16 infection. Based on the hypothesis that this may be because EV-A71 infects neuronal cells more easily than CV-A16, we compared virus infection, replication and spread of EV-A71 and CV-A16 in SK-N-SH cells. We found that CV-A16 invariably showed significantly lower replication and caused less necrotic cell death in SK-N-SH cells, compared with EV-A71...
November 23, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27871252/age-patterns-and-transmission-characteristics-of-hand-foot-and-mouth-disease-in-china
#12
Jijun Zhao, Fachun Jiang, Lianfa Zhong, Jianping Sun, Junhang Ding
BACKGROUND: Hand, foot and mouth disease (HFMD) has circulated in China and caused yearly outbreak. To understand the transmission of the disease and to assess the spatial variation in cases reported, we examined age-specific transmission characteristics and reporting rates of HFMD for 31 provinces in mainland China. METHODS: We first analyzed incidence spatial patterns and age-specific incidence patterns using dataset from 2008 to 2012. Transmission characteristics were estimated based on catalytic model...
November 21, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27870922/evaluating-the-benefits-of-vaccination-when-used-in-combination-with-stamping-out-measures-against-hypothetical-introductions-of-foot-and-mouth-disease-into-new-zealand-a-simulation-study
#13
R L Sanson, T Rawdon, K Owen, K Hickey, M van Andel, Z D Yu
AIMS: To evaluate the benefits of vaccination against simulated outbreaks of foot-and-mouth disease (FMD) in New Zealand, when applied as an additional measure to stamping-out. METHODS: A simulation modelling approach was used. The study population comprised all known farms in New Zealand with FMD-susceptible livestock. Infection was seeded into three different areas of New Zealand. Transmission mechanisms included direct and indirect contacts, local spread and airborne spread...
November 21, 2016: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/27870604/immunoreactivity-analysis-of-the-nonstructural-proteins-of-human-enterovirus-71
#14
Xuyan Chen, Bo Qin, Min Shi, Longying Zhu, Menglin Sun, Xufeng Liu, Jianhua Zhang
Human enterovirus 71 (EV-A71) is one of the main etiological agents of hand, foot, and mouth disease (HFMD), which has been prevalent mainly in the Asia-Pacific region in the past several decades. The nonstructural proteins of EV-A71 will be expressed significantly during viral replication in host cells after EV-A71 infection. For the determination of the antibodies response against nonstructural proteins of EV-A71, in this study, the complete 2ABC, 3ABC, and 3D proteins were expressed in Escherichia coli and were then studied for their immunoreactivity by immunoblot assay and indirect enzyme-linked immunosorbent assay (ELISA), respectively...
November 21, 2016: Viral Immunology
https://www.readbyqxmd.com/read/27864074/clinically-isolated-enterovirus-a71-subgenogroup-c4-strain-with-lethal-pathogenicity-in-14-day-old-mice-and-the-application-as-an-ev-a71-mouse-infection-model
#15
Yi Xu, Shuzhi Ma, Limeng Zhu, Zhiqiu Huang, Liyun Chen, Yuhua Xu, Haibin Yin, Tao Peng, Yi Wang
The Enterovirus A71 (EV-A71) subgenogroup C4 is prevalent in China. EV-A71 causes hand, foot and mouth disease (HFMD) in children and may lead to severe neurological diseases. The development of antiviral and protective vaccines against EV-A71 is significantly hindered by the lack of suitable animal models to recapitulate human neurological symptoms. In this study, GZ-CII, a highly virulent EV-A71 subgenogroup C4 strain, was isolated from hospitalized children with HFMD. Intraperitoneal infections of GZ-CII resulted in progressive neurological disease in mice as old as 14 days...
November 15, 2016: Antiviral Research
https://www.readbyqxmd.com/read/27862133/u-k-foot-and-mouth-disease-a-systemic-risk-assessment-of-existing-controls
#16
João Delgado, Simon Pollard, Kerry Pearn, Emma L Snary, Edgar Black, George Prpich, Phil Longhurst
This article details a systemic analysis of the controls in place and possible interventions available to further reduce the risk of a foot and mouth disease (FMD) outbreak in the United Kingdom. Using a research-based network analysis tool, we identify vulnerabilities within the multibarrier control system and their corresponding critical control points (CCPs). CCPs represent opportunities for active intervention that produce the greatest improvement to United Kingdom's resilience to future FMD outbreaks. Using an adapted 'features, events, and processes' (FEPs) methodology and network analysis, our results suggest that movements of animals and goods associated with legal activities significantly influence the system's behavior due to their higher frequency and ability to combine and create scenarios of exposure similar in origin to the U...
November 10, 2016: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/27859744/hand-foot-and-mouth-disease-an-overview-of-clinical-features-in-adult-patients
#17
I Neri, M A Chessa, A Virdi, A Patrizi
Hand, foot and mouth disease (HFMD) mainly affects children aged <5 years and is caused by several serotypes of enteroviruses, more frequently Enterovirus 71 (EV71) and Coxsackie A16 (CA16)(1) . The disease presents with vesicles in the mouth, hands, feet and buttocks. Only 1% of infected adults develop clinical manifestations, probably as a result of immunological memory(1). Nevertheless, in the atypical HFMD caused by Coxsackie virus A6 (CVA6) the involvement of immunocompetent adults has been recently described(2-6) ...
November 11, 2016: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/27849036/enterovirus-71-infection-of-motor-neuron-like-nsc-34-cells-undergoes-a-non-lytic-exit-pathway
#18
Issac Horng Khit Too, Huimin Yeo, October Michael Sessions, Benedict Yan, Eshele Anak Libau, Josephine L C Howe, Ze Qin Lim, Shalini Suku-Maran, Wei-Yi Ong, Kaw Bing Chua, Boon Seng Wong, Vincent T K Chow, Sylvie Alonso
Enterovirus 71 (EV71) causing Hand, Foot and Mouth Disease, is regarded as the most important neurotropic virus worldwide. EV71 is believed to replicate in muscles and infect motor neurons to reach the central nervous system (CNS). To further investigate the mechanisms involved, we have employed the motor neuron cell line NSC-34. NSC-34 cells were permissive to EV71 and virus production yields were strain-dependent with differential efficacy at the entry, replication and egress steps. Furthermore, unlike all the other cell lines previously reported, EV71-infected NSC-34 cells neither displayed cytopathic effect nor underwent apoptosis...
November 16, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27848955/the-threshold-effects-of-meteorological-factors-on-hand-foot-and-mouth-disease-hfmd-in-china-2011
#19
Zhicheng Du, Wangjian Zhang, Dingmei Zhang, Shicheng Yu, Yuantao Hao
We explored the threshold effects of meteorological factors on hand, foot and mouth disease (HFMD) in mainland China to improve the prevention and early warning. Using HFMD surveillance and meteorological data in 2011, we identified the threshold effects of predictors on the monthly incidence of HFMD and predicted the high risk months, with classification and regression tree models (CART). The results of the classification tree showed that there was an 82.35% chance for a high risk of HFMD when the temperature was greater than 24...
November 16, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27848175/glucocorticoids-prevent-enterovirus-71-capsid-protein-vp1-induced-calreticulin-surface-exposure-by-alleviating-neuronal-er-stress
#20
Dan-Dan Hu, Jian-Ning Mai, Li-Ya He, Pei-Qing Li, Wen-Xiong Chen, Jian-Jiang Yan, Wei-Dong Zhu, Li Deng, Dan Wei, Di-Hui Liu, Si-Da Yang, Zhi-Bin Yao
Severe hand-foot-and-mouth disease (HFMD) caused by Enterovirus 71 (EV71) always accompanies with inflammation and neuronal damage in the central nervous system (CNS). During neuronal injuries, cell surface-exposed calreticulin (Ecto-CRT) is an important mediator for primary phagocytosis of viable neurons by microglia. Our data confirmed that brainstem neurons underwent neuronophagia by glia in EV71-induced death cases of HFMD. EV71 capsid proteins VP1, VP2, VP3, or VP4 did not induce apoptosis of brainstem neurons...
November 15, 2016: Neurotoxicity Research
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