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Viral conjunctivitis

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https://www.readbyqxmd.com/read/29042667/mg-132-reduces-virus-release-in-bovine-herpesvirus-1-infection
#1
Filomena Fiorito, Valentina Iovane, Antonietta Cantiello, Annarosaria Marullo, Luisa De Martino, Giuseppe Iovane
Bovine herpesvirus 1 (BoHV-1) can provoke conjunctivitis, abortions and shipping fever. BoHV-1 infection can also cause immunosuppression and increased susceptibility to secondary bacterial infections, leading to pneumonia and occasionally to death. Herein, we investigated the influence of MG-132, a proteasome inhibitor, on BoHV-1 infection in bovine kidney (MDBK) cells. Infection of MDBK cells with BoHV-1 induces apoptotic cell death that enhances virus release. Whereas, MG-132 inhibited virus-induced apoptosis and stimulated autophagy...
October 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29031848/local-national-and-regional-viral-haemorrhagic-fever-pandemic-potential-in-africa-a-multistage-analysis
#2
David M Pigott, Aniruddha Deshpande, Ian Letourneau, Chloe Morozoff, Robert C Reiner, Moritz U G Kraemer, Shannon E Brent, Isaac I Bogoch, Kamran Khan, Molly H Biehl, Roy Burstein, Lucas Earl, Nancy Fullman, Jane P Messina, Adrian Q N Mylne, Catherine L Moyes, Freya M Shearer, Samir Bhatt, Oliver J Brady, Peter W Gething, Daniel J Weiss, Andrew J Tatem, Luke Caley, Tom De Groeve, Luca Vernaccini, Nick Golding, Peter Horby, Jens H Kuhn, Sandra J Laney, Edmond Ng, Peter Piot, Osman Sankoh, Christopher J L Murray, Simon I Hay
BACKGROUND: Predicting when and where pathogens will emerge is difficult, yet, as shown by the recent Ebola and Zika epidemics, effective and timely responses are key. It is therefore crucial to transition from reactive to proactive responses for these pathogens. To better identify priorities for outbreak mitigation and prevention, we developed a cohesive framework combining disparate methods and data sources, and assessed subnational pandemic potential for four viral haemorrhagic fevers in Africa, Crimean-Congo haemorrhagic fever, Ebola virus disease, Lassa fever, and Marburg virus disease...
October 11, 2017: Lancet
https://www.readbyqxmd.com/read/28985745/mucus-and-mucins-do-they-have-a-role-in-the-inhibition-of-the-human-immunodeficiency-virus
#3
REVIEW
Anwar Suleman Mall, Habtom Habte, Yolanda Mthembu, Julia Peacocke, Corena de Beer
BACKGROUND: Mucins are large O-linked glycosylated proteins which give mucus their gel-forming properties. There are indications that mucus and mucins in saliva, breast milk and in the cervical plug inhibit the human immunodeficiency virus (HIV-1) in an in vitro assay. Crude mucus gels form continuous layers on the epithelial surfaces of the major internal tracts of the body and protect these epithelial surfaces against aggressive luminal factors such as hydrochloric acid and pepsin proteolysis in the stomach lumen, the movement of hard faecal pellets in the colon at high pressure, the effects of shear against the vaginal epithelium during intercourse and the presence of foreign substances in the respiratory airways...
October 6, 2017: Virology Journal
https://www.readbyqxmd.com/read/28964298/implementation-of-a-perioperative-surgical-home-protocol-for-pediatric-patients-presenting-for-adenoidectomy
#4
Vidya T Raman, Dmitry Tumin, Joshua Uffman, Arlyne K Thung, Candice Burrier, Kris R Jatana, Charles Elmaraghy, Joseph D Tobias
INTRODUCTION: The perioperative surgical home (PSH) is a patient-centered model designed to improve health, streamline the delivery of health care, and reduce the cost of care. Following the national introduction of PSH in 2014 by the ASA, adult hospitals have reported success with this model, with studies validating the benefits of PSH including reducing length of stay, lowering costs, and improving patient satisfaction. METHODS: Eligible patients, ranging in age from 16-35 months of age, were identified by the pre-admission testing (PAT) registered nurses (RNs) and faculty anesthesiologists upon review of the patient history...
October 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28947776/a-virological-and-phylogenetic-analysis-of-the-emergence-of-new-clades-of-respiratory-syncytial-virus
#5
Farah Elawar, Cameron D Griffiths, Daniel Zhu, Leanne M Bilawchuk, Lionel D Jensen, Lydia Forss, Julian Tang, Bart Hazes, Steven J Drews, David J Marchant
The significant burden of Respiratory Syncytial Virus (RSV) in pediatric and elderly populations is well recognized. However, questions remain about transmission and evolution of RSV in the community, between seasons, and the role played by viral genetics in viral replication. Therefore, we integrated next generation sequencing, patient viral load, and viral replication analysis with surveillance of RSV to initiate a better understanding of viral adaptation in communities. RSV type-A and B infections were most closely related to RSV sequences from the USA and Asia, respectfully...
September 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28947525/successful-treatment-of-chronic-hepatitis-c-virus-infection-in-a-patient-receiving-daily-peritoneal-dialysis
#6
Jennifer E Stark, Jennifer Cole
PURPOSE: Successful use of a 4-drug oral fixed-dose combination therapy to treat chronic hepatitis C in a patient receiving peritoneal dialysis (PD) is reported. SUMMARY: New highly effective treatments for chronic hepatitis C virus (HCV) infection are now available, but safety and efficacy data on the use of anti-HCV therapies in patients with renal failure, particularly those requiring PD, remain limited. A 73-year-old black man with chronic HCV genotype 1a infection and stage 5 chronic renal disease requiring daily automated PD was referred for HCV treatment prior to renal transplantation...
October 1, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28942662/-ophthalmological-symptoms-of-measles-and-their-treatment
#7
Mihály Végh, András Hári-Kovács, Hans-Walter Roth, Andrea Facskó
Measles, caused by the Morbilli virus, is a highly (about 95 %) contagious disease affecting primarily children, but without proper immunisation, adults can also be infected. The leading symptoms of the disease are high fever that presents after an incubation period of 9-10 days and the red rash that begins several days after the fever starts. Beyond specific generalized symptoms, measles may have ocular symptoms. The most commonly occurring conjunctivitis, the so-called "red eye symptom", is not characteristic only for measles infection, however, by taking the generalized symptoms it can suggest the diagnosis at the beginning of the disease...
October 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28934492/concerted-action-of-two-3-cap-independent-translation-enhancers-increases-the-competitive-strength-of-translated-viral-genomes
#8
Zhiyou Du, Olga M Alekhina, Konstantin S Vassilenko, Anne E Simon
Several families of plant viruses evolved cap-independent translation enhancers (3'CITE) in the 3' untranslated regions of their genomic (g)RNAs to compete with ongoing cap-dependent translation of cellular mRNAs. Umbravirus Pea enation mosaic virus (PEMV)2 is the only example where three 3'CITEs enhance translation: the eIF4E-binding Panicum mosaic virus-like translational enhancer (PTE) and ribosome-binding 3' T-shaped structure (TSS) have been found in viruses of different genera, while the ribosome-binding kl-TSS that provides a long-distance interaction with the 5' end is unique...
September 19, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28922369/crimean-congo-hemorrhagic-fever-virus-nucleocapsid-protein-has-dual-rna-binding-modes
#9
Subbiah Jeeva, Sean Pador, Brittany Voss, Safder Saieed Ganaie, Mohammad Ayoub Mir
Crimean Congo hemorrhagic fever, a zoonotic viral disease, has high mortality rate in humans. There is currently no vaccine for Crimean Congo hemorrhagic fever virus (CCHFV) and chemical interventions are limited. The three negative sense genomic RNA segments of CCHFV are specifically encapsidated by the nucleocapsid protein into three ribonucleocapsids, which serve as templates for the viral RNA dependent RNA polymerase. Here we demonstrate that CCHFV nucleocapsid protein has two distinct binding modes for double and single strand RNA...
2017: PloS One
https://www.readbyqxmd.com/read/28904193/mutations-in-the-fusion-protein-of-measles-virus-that-confer-resistance-to-the-membrane-fusion-inhibitors-carbobenzoxy-d-phe-l-phe-gly-and-as-48
#10
Michael N Ha, Sébastien Delpeut, Ryan S Noyce, Gary Sisson, Karen M Black, Liang-Tzung Lin, Darius Bilimoria, Richard K Plemper, Gilbert G Privé, Christopher D Richardson
The inhibitors Z-d-Phe-l-Phe Gly (fusion inhibitor peptide, FIP) and AS-48 have similar efficacy in blocking membrane fusion and syncytia formation mediated by measles virus. Other homologues such as Z-d-Phe are less effective, but may act through the same mechanism. In an attempt to map the site of action of these inhibitors, we generated mutant viruses which were resistant to the inhibitory effects of Z-d-Phe-l-Phe Gly. These 10 mutations were localized to the heptad repeat region (HRB) of the fusion protein and no changes were observed in the viral hemagglutinin, which is the receptor attachment protein...
September 13, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28890236/adenovirus-initiative-study-in-epidemiology-advise-results-of-a-multicentric-epidemiology-study-in-spain
#11
A M Muñoz-Hernández, B Duquesroix, J M Benítez-Del-Castillo
OBJECTIVE: Non-interventional, observational, epidemiology study to assess clinical characteristics and frequency of adenovirus conjunctivitis diagnosed by AdenoPlus(®) in patients who presented with signs and symptoms of acute conjunctivitis. Safety aspects during use of the test were analyzed as well. METHOD: This analysis presents the data obtained from the 386 patients enrolled in Spain. Patients had to present with acute signs and symptoms of conjunctivitis ≤7days...
September 7, 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/28878069/filling-gaps-about-mimivirus-entry-uncoating-and-morphogenesis
#12
Ana Cláudia Dos Santos Pereira Andrade, Rodrigo Araújo Lima Rodrigues, Graziele Pereira Oliveira, Kétyllen Reis Andrade, Cláudio Antônio Bonjardim, Bernard La Scola, Erna Geessien Kroon, Jônatas Santos Abrahão
Since the discovery of mimivirus, its unusual structural and genomic features have raised great interest in the study of its biology; however, many aspects concerning its replication cycle remain uncertain. In this study, extensive analyses of electron microscope images, as well as biological assays, shed light on unclear points concerning the mimivirus replication cycle. Here, we demonstrate that cytochalasin treatment, a phagocytosis inhibitor, impacts negatively on the incorporation of mimivirus particles by Acanthamoeba castellanii, causing a negative effect on viral growth in amoebae monolayers...
September 6, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28845328/eyelid-molluscum-contagiosum-lesions-in-two-patients-with-unilateral-chronic-conjunctivitis
#13
Şule Serin, Ayşe Bozkurt Oflaz, Pınar Karabağlı, Şansal Gedik, Banu Bozkurt
Molluscum contagiosum (MC) is a viral infection of the skin and mucosal tissues characterized by skin-colored or transparent round nodules with a dimple or pit in the center. The infection is caused by a DNA poxvirus called the MC virus. Although MC generally occurs in children, it has also been reported in immunocompromised and atopic patients. The virus is transmitted by skin contact or sexual intercourse. The lesions disappear spontaneously within several months in most cases. However, excision, cryotherapy, cauterization, topical chemical and antiviral agents, and/or oral cimetidine are used in refractory cases or to accelerate the healing process...
August 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28819973/mobile-platform-for-multiplexed-detection-and-differentiation-of-disease-specific-nucleic-acid-sequences-using-microfluidic-loop-mediated-isothermal-amplification-and-smartphone-detection
#14
Weili Chen, Hojeong Yu, Fu Sun, Akid Ornob, Ryan Brisbin, Anurup Ganguli, Vinay Vemuri, Piotr Strzebonski, Guangzhe Cui, Karen J Allen, Smit A Desai, Weiran Lin, David M Nash, David L Hirschberg, Ian Brooks, Rashid Bashir, Brian T Cunningham
New tools are needed to enable rapid detection, identification, and reporting of infectious viral and microbial pathogens in a wide variety of point-of-care applications that impact human and animal health. We report the design, construction, and characterization of a platform for multiplexed analysis of disease-specific DNA sequences that utilizes a smartphone camera as the sensor in conjunction with a hand-held "cradle" that interfaces the phone with a silicon-based microfluidic chip embedded within a credit-card-sized cartridge...
September 5, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28815498/recombinase-mediated-cassette-exchange-using-adenoviral-vectors
#15
Andreas F Kolb, Christopher Knowles, Patrikas Pultinevicius, Jennifer A Harbottle, Linda Petrie, Claire Robinson, David A Sorrell
Site-specific recombinases are important tools for the modification of mammalian genomes. In conjunction with viral vectors, they can be utilized to mediate site-specific gene insertions in animals and in cell lines which are difficult to transfect. Here we describe a method for the generation and analysis of an adenovirus vector supporting a recombinase-mediated cassette exchange reaction and discuss the advantages and limitations of this approach.
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28814737/susceptibility-of-influenza-a-h1n1-pdm2009-seasonal-a-h3n2-and-b-viruses-to-oseltamivir-in-guangdong-china-between-2009-and-2014
#16
Shan-Shan Liu, Xiao-Yang Jiao, Sheng Wang, Wen-Zhe Su, Ling-Zhi Jiang, Xin Zhang, Chang-Wen Ke, Ping Xiong
Nasopharyngeal swabs were collected from patients through the influenza surveillance network of the CDC of Guangdong. All specimens between 2009 and 2014 were checked for influenza virus using MDCK cells and further subtyped. Of those collected, 542 H1N1pdm09, 230 A(H3N2)and 448 B viruses selected at random were subjected to fluorescence-based NAI assays. Viral RNA was extracted from resistant isolates, and their NA genes were amplified by RT-PCR. Alignment of nucleotides and amino acids was performed. We performed structural modelling and simulations of mutants using Modeller 9...
August 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28812530/feline-herpesvirus-pneumonia-investigations-into-the-pathogenesis
#17
Josep Maria Monne Rodriguez, Gail Leeming, Kernt Köhler, Anja Kipar
Feline herpesvirus type 1 (FeHV-1) is one of the etiological agents of feline respiratory disease. FeHV-1 is an epitheliotropic and cytopathic virus that mainly causes rhinitis and conjunctivitis, although pneumonia is also occasionally seen. In this study, the authors investigated the pathogenesis of FeHV-1-associated pneumonia, comparing natural cases with viral infection of tracheal ring and cell cultures in vitro, using histology, immunohistology, double immunofluorescence, and transmission electron microscopy as investigative tools...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28794020/adenovirus-core-protein-vii-down-regulates-the-dna-damage-response-on-the-host-genome
#18
Daphne C Avgousti, Ashley N Della Fera, Clayton J Otter, Christin Herrmann, Neha J Pancholi, Matthew D Weitzman
Viral manipulation of cellular proteins allows viruses to suppress host defenses and generate infectious progeny. Due to the linear double-stranded DNA nature of the adenovirus genome, the cellular DNA damage response (DDR) is considered a barrier for successful infection. The adenovirus genome is packaged with protein VII, a viral-encoded histone-like core protein that is suggested to protect incoming viral genomes from detection by cellular DNA damage machinery. We showed that protein VII localizes to host chromatin during infection, leading us to hypothesize that protein VII may affect DNA damage responses on the cellular genome...
August 9, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28694795/modulation-of-host-mirnas-transcriptome-in-lung-and-spleen-of-peste-des-petits-ruminants-virus-infected-sheep-and-goats
#19
Aruna Pandey, Amit R Sahu, Sajad A Wani, Shikha Saxena, Sonam Kanchan, Vaishali Sah, Kaushal K Rajak, Alok Khanduri, Aditya P Sahoo, Ashok K Tiwari, Bina Mishra, D Muthuchelvan, Bishnu P Mishra, Raj K Singh, Ravi K Gandham
Peste des petits ruminants (PPR) is one of the highly contagious viral disease, characterized by fever, sore mouth, conjunctivitis, gastroenteritis, and pneumonia, primarily affecting sheep and goats. Reports suggested variable host response in goats and sheep and this host response vis-a-vis the expression of microRNAs (miRNAs) has not been investigated. Here, miRNAs were sequenced and proteomics data were generated to identify the role of differentially expressed miRNA (DEmiRNA) in PPR virus (PPRV) infected lung and spleen tissues of sheep and goats...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28684158/the-high-mobility-group-at-hook-1-protein-stimulates-bovine-herpesvirus-1-productive-infection
#20
Liqian Zhu, Clinton Jones
Bovine herpesvirus 1 (BoHV-1) is an important pathogen of cattle that causes clinical symptoms in the upper respiratory tract and conjunctivitis. Like most alpha-herpesvirinae subfamily members, BoHV-1 establishes latency in sensory neurons. Stress consistently induces reactivation from latency, which is essential for virus transmission. Recent studies demonstrated that a viral protein (ORF2) expressed in a subset of latently infected neurons is associated with β-catenin and the high mobility group AT-hook 1 protein (HMGA1), which correlates with increased expression of these proteins in latently infected neurons...
July 3, 2017: Virus Research
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