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https://www.readbyqxmd.com/read/28642818/nivolumab-as-salvage-treatment-in-a-patient-with-hiv-related-relapsed-refractory-hodgkin-lymphoma-and-liver-failure-with-encephalopathy
#1
Jose D Sandoval-Sus, Francis Mogollon-Duffo, Ankita Patel, Nathan Visweshwar, Damian A Laber, Richard Kim, Michael V Jagal
BACKGROUND: We report the first case to our knowledge of a patient with relapsed/refractory classical hodgkin lymphoma and liver failure with encephalopathy along with human immunodeficiency virus/acquired immunodeficiency syndrome infection, successfully treated with nivolumab without major side effects and encouraging prolonged disease control. CASE PRESENTATION: In December 2015, at the time of the patient's progression from his Hodgkin lymphoma after fourth line treatment, he developed persistent fevers, abdominal distension, jaundice and worsening of his liver function tests...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28640917/human-hantavirus-infection-elicits-pronounced-redistribution-of-mononuclear-phagocytes-in-peripheral-blood-and-airways
#2
Saskia Scholz, Faezzah Baharom, Gregory Rankin, Kimia T Maleki, Shawon Gupta, Sindhu Vangeti, Jamshid Pourazar, Andrea Discacciati, Jonas Höijer, Matteo Bottai, Niklas K Björkström, Johan Rasmuson, Magnus Evander, Anders Blomberg, Hans-Gustaf Ljunggren, Jonas Klingström, Clas Ahlm, Anna Smed-Sörensen
Hantaviruses infect humans via inhalation of virus-contaminated rodent excreta. Infection can cause severe disease with up to 40% mortality depending on the viral strain. The virus primarily targets the vascular endothelium without direct cytopathic effects. Instead, exaggerated immune responses may inadvertently contribute to disease development. Mononuclear phagocytes (MNPs), including monocytes and dendritic cells (DCs), orchestrate the adaptive immune responses. Since hantaviruses are transmitted via inhalation, studying immunological events in the airways is of importance to understand the processes leading to immunopathogenesis...
June 22, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28638845/detection-of-the-northeastern-african-rift-valley-fever-virus-lineage-during-the-2015-outbreak-in-mauritania
#3
Ndeye Sakha Bob, Hampâté Bâ, Gamou Fall, Elkhalil Ishagh, Mamadou Y Diallo, Abdourahmane Sow, Pape Mbacké Sembene, Ousmane Faye, Brahim El Kouri, Mohamed Lemine Sidi, Amadou Alpha Sall
BACKGROUND: Rift Valley fever (RVF) is an acute viral anthropozoonosis that causes epizootics and epidemics among livestock population and humans. Multiple emergences and reemergences of the virus have occurred in Mauritania over the last decade. This article describes the outbreak that occurred in 2015 in Mauritania and reports the results of serological and molecular investigations of blood samples collected from suspected RVF patients. METHODS: An RVF outbreak was reported from 14 September to 26 November 2015 in Mauritania...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28637937/herpes-simplex-encephalitis-presenting-as-stroke-like-symptoms-with-atypical-mri-findings-and-lacking-cerebrospinal-fluid-pleocytosis
#4
Shintaro Tsuboguchi, Takahiro Wakasugi, Yoshitaka Umeda, Maiko Umeda, Mutsuo Oyake, Nobuya Fujita
A 73-year-old woman presented with sudden onset of right hemiparesis and was diagnosed as having cerebral infarction on the basis of diffusion-weighted brain MRI, which demonstrated lesions in the left parietal cortex. On the 3rd day, the patient developed right upper limb myoclonus, aphasia, and disturbance of consciousness with high fever. On the 6th day, she was transferred to our hospital with suspected viral encephalitis, and treatment with acyclovir was started. By the 6th day, the lesions detected by MRI had expanded to the gyrus cinguli, insula and thalamus, but not to the temporal lobe...
June 21, 2017: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/28637753/structural-mimicry-of-the-dengue-virus-envelope-glycoprotein-revealed-by-the-crystallographic-study-of-an-idiotype-anti-idiotype-fab-complex
#5
Yee Hwa Wong, Boon Chong Goh, She Yah Lim, En Wei Teo, Angeline P C Lim, Pete C Dedon, Brendon J Hanson, Paul A MacAry, Julien Lescar
A detailed understanding of the fine specificity of serotype-specific human antibodies is vital for the development and evaluation of new vaccines for pathogenic Flaviviruses such as Dengue virus (DENV) and Zika virus. In this study, we thoroughly characterize the structural footprint of an anti-idiotype antibody (E1) specific for a potent, fully human DENV serotype 1-specific antibody termed HM14c10, derived from a recovered patient. The crystal structure at a resolution of 2.5 Å of a complex between the Fab fragments of E1 and HM14c10 provides the first detailed molecular comparison of an anti-idiotype paratope specific for a human antibody with its analogous epitope- a discontinuous quaternary structure located at the surface of the viral particle that spans adjacent envelope (E) proteins...
June 21, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28636653/the-ebola-virus-vp35-protein-binds-viral-immunostimulatory-and-host-rnas-identified-through-deep-sequencing
#6
Kari A Dilley, Alexander A Voorhies, Priya Luthra, Vinita Puri, Timothy B Stockwell, Hernan Lorenzi, Christopher F Basler, Reed S Shabman
Ebola virus and Marburg virus are members of the Filovirdae family and causative agents of hemorrhagic fever with high fatality rates in humans. Filovirus virulence is partially attributed to the VP35 protein, a well-characterized inhibitor of the RIG-I-like receptor pathway that triggers the antiviral interferon (IFN) response. Prior work demonstrates the ability of VP35 to block potent RIG-I activators, such as Sendai virus (SeV), and this IFN-antagonist activity is directly correlated with its ability to bind RNA...
2017: PloS One
https://www.readbyqxmd.com/read/28636447/emerging-viral-infections-in-pakistan-issues-concerns-and-future-prospects
#7
Ali Talha Khalil, Muhammad Ali, Faouzia Tanveer, Muhammad Ovais, Muhammad Idrees, Zabta Khan Shinwari, James E Hollenbeck
Emerging infectious diseases pose a serious threat to public health security; this is especially true in the underdeveloped world because of limited resources to combat them. These emerging pathogens are characterized by a novel mode of pathogenesis and, in some cases, a broad host range. Over the past few decades, Pakistan has suffered a great deal from infectious diseases such as dengue, Crimean-Congo fever, hepatitis, measles, and polio. Changing climate conditions, environmental degradation, global warming, loss of biodiversity, and other ecological determinants have a direct effect on these diseases and result in the emergence and reemergence of infectious entities...
May 2017: Health Security
https://www.readbyqxmd.com/read/28630845/multi-foci-salmonella-enteritis-osteomyelitis-of-thoracic-spine-with-pleural-effusion-and-fatal-outcome-a-unique-case-presentation-and-review-of-the-literature
#8
Ioannis Papaioannou, Andreas Baikousis, Panagiotis Korovessis
INTRODUCTION: A case of thoracic vertebral osteomyelitis due to Salmonella enteritis (SE) in an immunocompetent patient is reported. This is the third case in the literature of SE thoracic vertebral osteomyelitis, but the first one with this multi-foci presentation and finally fatal outcome due to meningoencephalitis. Further data that makes our case unique are the absence of fever (body temperature: 37.4°C) and gastrointestinal disorders. CASE REPORT: A 57-year-old male patient initially presented with thoracic pain, dyspnea, and knee pain...
January 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28622852/efficacy-of-e2-glycoprotein-fused-to-porcine-cd154-as-a-novel-chimeric-subunit-vaccine-to-prevent-classical-swine-fever-virus-vertical-transmission-in-pregnant-sows
#9
Sara Muñoz-González, Yusmel Sordo, Marta Pérez-Simó, Marisela Suárez, Albert Canturri, Maria Pilar Rodriguez, María Teresa Frías-Lepoureau, Mariano Domingo, Mario Pablo Estrada, Llilianne Ganges
Here we evaluated the effect of double vaccination with a novel subunit marker vaccine candidate based in the CSFV E2 glycoprotein fused to the porcine CD154 to prevent CSFV vertical transmission. A lentivirus-based gene delivery system was used to obtain a stable recombinant HEK 293 cell line for the expression of E2 fused to porcine CD154 molecule. Six pregnant sows were distributed in two groups and at 64days of gestation animals numbered 1-4 (group 1) were vaccinated via intramuscular inoculation with 50μg of E2-CD154 subunit vaccine...
June 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28622346/flavivirus-and-filovirus-evoprinters-new-alignment-tools-for-the-comparative-analysis-of-viral-evolution
#10
Thomas Brody, Amarendra S Yavatkar, Dong Sun Park, Alexander Kuzin, Jermaine Ross, Ward F Odenwald
BACKGROUND: Flavivirus and Filovirus infections are serious epidemic threats to human populations. Multi-genome comparative analysis of these evolving pathogens affords a view of their essential, conserved sequence elements as well as progressive evolutionary changes. While phylogenetic analysis has yielded important insights, the growing number of available genomic sequences makes comparisons between hundreds of viral strains challenging. We report here a new approach for the comparative analysis of these hemorrhagic fever viruses that can superimpose an unlimited number of one-on-one alignments to identify important features within genomes of interest...
June 16, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28619306/management-of-viral-oral-ulcers-in-children-using-chinese-herbal-medicine-a-report-of-two-cases
#11
Yi-Chiao Lee, Ting-Hao Wang, Shih-Yu Chen, Hsiang-Ling Lin, Ming-Yen Tsai
OBJECTIVE: Viral oral ulcers are common presentations in pediatric clinics. Although self-limiting, painful ulcerative lesions and inflamed mucosa can decrease oral intake and lead to dehydration. Despite the widespread use of Chinese herbal medicine (CHM) for pediatric upper respiratory disease in Taiwan, there is little evidence for its effectiveness as an antipyretic or in aiding ulcer healing for children with viral oral ulcers. We report two cases of children who presented with viral oral ulcers to illustrate the potential efficacy of CHM treatment in recovery from herpangina (HA) and herpetic gingivostomatitis (HGS)...
June 2017: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/28617860/increasing-prevalence-of-infectious-diseases-in-asylum-seekers-at-a-tertiary-care-hospital-in-switzerland
#12
Constantine Bloch-Infanger, Veronika Bättig, Jürg Kremo, Andreas F Widmer, Adrian Egli, Roland Bingisser, Manuel Battegay, Stefan Erb
OBJECTIVE: The increasing number of refugees seeking asylum in Europe in recent years poses new challenges for the healthcare systems in the destination countries. The goal of the study was to describe the evolution of medical problems of asylum seekers at a tertiary care centre in Switzerland. METHODS: At the University Hospital Basel, we compared all asylum seekers during two 1-year time periods in 2004/05 and 2014/15 concerning demographic characteristics and reasons for referrals and hospitalizations...
2017: PloS One
https://www.readbyqxmd.com/read/28616745/bacterial-meningitis-complicating-the-course-of-liver-cirrhosis
#13
Pasquale Pagliano, Giovanni Boccia, Francesco De Caro, Silvano Esposito
Meningitis is rarely reported in studies investigating bacterial infections in patients affected by liver cirrhosis. We investigated the findings of bacterial meningitis in patients affected by liver cirrhosis referred to our department in a 16-year period. MATERIALS: Patients with cirrhosis and bacterial meningitis were enrolled. Cirrhosis was defined by liver histology or clinical, laboratory, and ultrasonographic and endoscopic findings. Bacterial meningitis was defined by cerebro-spinal fluid pleocytosis (>10/mcl) and characteristic clinical presentation...
June 14, 2017: Infection
https://www.readbyqxmd.com/read/28615658/serotyping-dengue-virus-with-isothermal-amplification-and-a-portable-sequencer
#14
Junya Yamagishi, Lucky R Runtuwene, Kyoko Hayashida, Arthur E Mongan, Lan Anh Nguyen Thi, Linh Nguyen Thuy, Cam Nguyen Nhat, Kriengsak Limkittikul, Chukiat Sirivichayakul, Nuankanya Sathirapongsasuti, Martin Frith, Wojciech Makalowski, Yuki Eshita, Sumio Sugano, Yutaka Suzuki
The recent development of a nanopore-type portable DNA sequencer has changed the way we think about DNA sequencing. We can perform sequencing directly in the field, where we collect the samples. Here, we report the development of a novel method to detect and genotype tropical disease pathogens, using dengue fever as a model. By combining the sequencer with isothermal amplification that only requires a water bath, we were able to amplify and sequence target viral genomes with ease. Starting from a serum sample, the entire procedure could be finished in a single day...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28612010/recombinant-swinepox-virus-expressing-glycoprotein-e2-of-classical-swine-fever-virus-confers-complete-protection-in-pigs-upon-viral-challenge
#15
Huixing Lin, Zhe Ma, Lei Chen, Hongjie Fan
Classical swine fever (CSF) is a highly contagious and serious viral disease that affects the pig industry worldwide. The glycoprotein E2 of the classical swine fever virus (CSFV) can induce neutralizing antibodies, and it is widely used for novel vaccine development. To explore the development of a vaccine against CSFV infections, the gene of glycoprotein E2 was inserted into the swinepox virus (SPV) genome by homologous recombination. The culture titers of rSPV-E2 remained at about 4.3 × 10(6) TCID50 for more than 60 passages in PK15 and swine testis cell lines...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28609169/a-gap-analysis-of-the-united-states-death-care-sector-to-determine-training-and-education-needs-pertaining-to-highly-infectious-disease-mitigation-and-management
#16
Aurora B Le, Lesley Witter, Jocelyn J Herstein, Katelyn C Jelden, Elizabeth Beam, Shawn G Gibbs, John J Lowe
PURPOSE: A United States industry-specific gap analysis survey of the death care sector-which comprises organizations and businesses affiliated with the funeral industry and the handling of human remains- was developed, the results analyzed, and training and education needs in relation to highly infectious disease mitigation and management were explored in an effort to identify where occupational health and safety can be enhanced in this worker population. METHODS: Collaborating national death care organizations distributed the 47-question electronic survey...
June 13, 2017: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/28601004/novel-thioglycosyl-analogs-of-glycosyltransferase-substrates-as-antiviral-compounds-against-classical-swine-fever-virus-and-hepatitis-c-virus
#17
Gabriela Pastuch-Gawolek, Binay Chaubey, Boguslaw Szewczyk, Ewelina Krol
Hepatitis C virus (HCV) and classical swine fever virus (CSFV) are important pathogens for which new therapeutic approaches are in high demand. Herein, we report the synthesis of newly designed thioglycosyl analogs of glycosyltransferase substrates which were evaluated using cell-based assays for cytotoxicity and antiviral activity against both viruses. The antiviral activity of synthesized compounds against CSFV and HCV was confirmed using pseudo-plaque reduction assays where a significant arrest of viral growth was observed in the presence of selected compounds...
May 31, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28598355/ecological-niche-modeling-identifies-fine-scale-areas-at-high-risk-of-dengue-fever-in-the-pearl-river-delta-china
#18
Qiaoxuan Li, Hongyan Ren, Lan Zheng, Wei Cao, An Zhang, Dafang Zhuang, Liang Lu, Huixian Jiang
Dengue fever (DF) is one of the most common and rapidly spreading mosquito-borne viral diseases in tropical and subtropical regions. In recent years, this imported disease has posed a serious threat to public health in China, especially in the Pearl River Delta (PRD). Although the severity of DF outbreaks in the PRD is generally associated with known risk factors, fine scale assessments of areas at high risk for DF outbreaks are limited. We built five ecological niche models to identify such areas including a variety of climatic, environmental, and socioeconomic variables, as well as, in some models, extracted principal components...
June 9, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28594619/managing-acute-respiratory-tract-infections-in-children
#19
Bruce C Schuster, Clare Hoare, Atanu Mukherjee, Siba Prosad Paul
Respiratory tract infections (RTIs), including community-acquired pneumonia (CAP), bronchiolitis, viral-induced wheeze and croup, account for more primary care consultations than any other illness group and are the most likely reason for a parent or carer to contact a health professional. The majority of RTIs in fully immunised children are usually self-limiting. However, in a small percentage of children RTIs may become life threatening and it is crucial that all front-line health professionals are able to recognise and identify these children who are at risk of deterioration...
June 8, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/28592543/mapping-of-transcription-termination-within-the-s-segment-of-sfts-phlebovirus-facilitated-the-generation-of-nss-deletant-viruses
#20
Benjamin Brennan, Veronica V Rezelj, Richard M Elliott
SFTS phlebovirus (severe fever with thrombocytopenia syndrome virus; SFTSV) is an emerging tick-borne bunyavirus that was first reported in China in 2009. Here we report the generation of a recombinant SFTSV (rHB29NSsKO) that cannot express the viral non-structural protein (NSs) upon infection of cells in culture. We show that rHB29NSsKO replication kinetics are greater in interferon (IFN)-incompetent cells and that the virus is unable to suppress IFN induced in response to viral replication. The data confirm for the first time in the context of virus infection that NSs acts as a virally encoded IFN antagonist and that NSs is dispensable for virus replication...
June 7, 2017: Journal of Virology
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