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https://www.readbyqxmd.com/read/28110247/a-novel-chimeric-newcastle-disease-virus-vectored-vaccine-against-highly-pathogenic-avian-influenza-virus
#1
Shin-Hee Kim, Anandan Paldurai, Siba K Samal
Avian influenza (AI) is an economically-important disease of poultry worldwide. The use of vaccines to control AI has increased because of frequent outbreaks of the disease in endemic countries. Newcastle disease virus (NDV) vectored vaccine has shown to be effective in protecting chickens against a highly pathogenic avian influenza virus (HPAIV) infection. However, preexisting antibodies to NDV vector might affect protective efficacy of the vaccine in the field. As an alternative strategy, we evaluated vaccine efficacy of a chimeric NDV vectored vaccine in which the ectodomains of F and HN proteins were replaced by those of avian paramyxovirus serotype-2...
January 19, 2017: Virology
https://www.readbyqxmd.com/read/28109707/potential-risk-of-repeated-nasal-vaccination-that-induces-allergic-reaction-with-mucosal-ige-and-airway-eosinophilic-infiltration-in-cynomolgus-macaques-infected-with-h5n1-highly-pathogenic-avian-influenza-virus
#2
Misako Nakayama, Yasushi Itoh, Shintaro Shichinohe, Rumi Nakabayashi, Hirohito Ishigaki, Yoshihiro Sakoda, Quynh Mai Le, Yoshihiro Kawaoka, Hiroshi Kida, Kazumasa Ogasawara
The efficacy and detrimental effect of mucosal vaccination with an inactivated influenza vaccine were examined in a macaque model by intranasal administration with small amounts of inactivated whole virus particles and challenge by a human-derived H5N1 highly pathogenic avian influenza virus infection. Repeated nasal inoculation with the whole particle vaccine of an inactivated virus, A/duck/Hokkaido/Vac-3/2007 (H5N1) (Vac-3), induced antigen-specific IgA and IgG antibody production in nasal swabs and plasma...
January 18, 2017: Vaccine
https://www.readbyqxmd.com/read/28109340/effectiveness-of-an-integrated-community-and-clinic-based-intervention-on-hiv-testing-hiv-knowledge-and-sexual-risk-behavior-of-young-men-who-have-sex-with-men-in-myanmar
#3
Poe Poe Aung, Claire Ryan, Ashish Bajracharya, Naanki Pasricha, Zaw Win Thein, Paul A Agius, Than Tun Sein, Lisa Willenberg, Ei Mon Soe, Ne Tun Zaw, Waimar Tun, Eileen Yam, Stanley Luchters
PURPOSE: Young men who have sex with men (YMSM) in Myanmar are disproportionately affected by HIV, with prevalence five times that of the general population. The Link Up project implemented an intervention using peer education and outreach providing education and counseling on health seeking around sexually transmitted infections and reproductive health, combined with focused clinic capacity building to improve the sexual and reproductive health of YMSM. This study aimed to evaluate the effectiveness and acceptability of the intervention...
February 2017: Journal of Adolescent Health: Official Publication of the Society for Adolescent Medicine
https://www.readbyqxmd.com/read/28108702/is-rectal-douching-and-sharing-douching-equipment-associated-with-anorectal-chlamydia-and-gonorrhoea-a-cross-sectional-study-among-men-who-have-sex-with-men
#4
Rca Achterbergh, J J van der Helm, W van den Boom, T Heijman, I G Stolte, M S van Rooijen, Hjc de Vries
INTRODUCTION: Men who have sex with men (MSM) are at high risk for anorectal chlamydia and gonorrhoea infections. Many MSM use rectal douches in preparation for sex, which might break down the mucosal barrier function and facilitate the acquisition of STI. We determined whether rectal douching or sharing douching equipment was associated with anorectal chlamydia and gonorrhoea. METHODS: In a cross-sectional study among 994 MSM attending the STI outpatient clinic of Amsterdam between February and April 2011, data were collected on rectal douching, sexual behaviour and STI...
January 20, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/28108183/evaluation-of-multiplex-assay-platforms-for-detection-of-influenza-hemagglutinin-subtype-specific-antibody-responses-influenza-ha-subtype-specific-antibody-detection-platform
#5
Zhu-Nan Li, Kimberly M Weber, Rebecca A Limmer, Bobbi J Horne, James Stevens, Joy Schwerzmann, Jens Wrammert, Megan McCausland, Andrew J Phipps, Kathy Hancock, Daniel B Jernigan, Min Levine, Jacqueline M Katz, Joseph D Miller
Influenza hemagglutination inhibition (HI) and virus microneutralization assays (MN) are widely used for seroprevalence studies. However, these assays have limited field portability and are difficult to fully automate for high throughput laboratory testing. To address these issues, three multiplex influenza subtype-specific antibody detection assays were developed using recombinant hemagglutinin antigens in combination with Chembio, Luminex(®), and ForteBio(®) platforms. Assay sensitivity, specificity, and subtype cross-reactivity were evaluated using a panel of well characterized human sera...
January 17, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28107858/serodiagnosis-of-asymptomatic-dengue-infection
#6
REVIEW
Supawat Chatchen, Arunee Sabchareon, Chukiat Sirivichayakul
Dengue virus (DENV) is a mosquito-transmitted virus that is expanding across the world. The incidence of dengue infection, especially severe disease, has been increasing. DENV consist of 4 serotypes of single stranded RNA viruses (D1-D4) in the genus Flavivirus, family Flaviviridae. Majority of dengue infections are asymptomatic cases, which cause difficulty in disease control and are important in dengue surveillance. There is still no gold standard to diagnose asymptomatic dengue infection. Plaque reduction neutralization test (PRNT) has been developed for many purposes such as immunological study, clinical study, vaccine trial and is currently the most sensitive and specific method for serological surveillance...
January 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28107419/a-new-israeli-tobamovirus-isolate-infects-tomato-plants-harboring-tm-22-resistance-genes
#7
Neta Luria, Elisheva Smith, Victoria Reingold, Ilana Bekelman, Moshe Lapidot, Ilan Levin, Nadav Elad, Yehudit Tam, Noa Sela, Ahmad Abu-Ras, Nadav Ezra, Ami Haberman, Liron Yitzhak, Oded Lachman, Aviv Dombrovsky
An outbreak of a new disease infecting tomatoes occurred in October-November 2014 at the Ohad village in Southern Israel. Symptomatic plants showed a mosaic pattern on leaves accompanied occasionally by narrowing of leaves and yellow spotted fruit. The disease spread mechanically and rapidly reminiscent of tobamovirus infection. Epidemiological studies showed the spread of the disease in various growing areas, in the South and towards the Southeast and Northern parts of the country within a year. Transmission electron microscope (TEM) analysis showed a single rod-like form characteristic to the Tobamovirus genus...
2017: PloS One
https://www.readbyqxmd.com/read/28106531/preclinical-characterization-of-the-novel-hcv-ns3-protease-inhibitor-gs-9256
#8
Huiling Yang, Chris Yang, Yujin Wang, Gerry Rhodes, Margaret Robinson, Guofeng Cheng, Xiaoping Qi, Hongmei Mo, Yang Tian, Rowchanak Pakdaman, X Christopher Sheng, Choung U Kim, William E Delaney
BACKGROUND: GS-9256 is an inhibitor of hepatitis C virus (HCV) NS3 protease with a macrocyclic structure and novel phosphinic acid pharmacophore. METHODS: Key preclinical properties of GS-9256 including in vitro antiviral activity, cross-resistance, and pharmacokinetic properties were investigated in non-human species. RESULTS: In genotype (GT) 1b Huh-luc cells with a replicon encoding luciferase, GS-9256 had a mean EC50 value of 20.0 nM, with minimal cytotoxicity...
January 20, 2017: Antiviral Therapy
https://www.readbyqxmd.com/read/28106229/the-rm-pressfit-vitamys-5-year-swiss-experience-of-the-first-100-cups
#9
Michael Wyatt, Jan Weidner, Dominik Pfluger, Martin Beck
BACKGROUND: The RM Pressfit vitamys is a titanium particle-coated monoblock cup with vitamin E stabilised highly cross-linked polyethylene. Initial fixation is achieved via press-fit with subsequent stability by bone on-growth. This is the first study to report the 5-year results of this design. METHODS: We performed a prospective cohort study according to STROBE guidelines of 100 consecutive total hip replacements (THRs) in 92 patients all with ceramic heads. Demographic data, pre/postoperative visual analogue scale (VAS) for pain and satisfaction, Harris Hip Scores (HHS) and complications were recorded...
January 20, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28105914/homology-modeling-and-molecular-dynamics-provide-structural-insights-into-tospovirus-nucleoprotein
#10
Rayane Nunes Lima, Muhammad Faheem, João Alexandre Ribeiro Gonçalves Barbosa, Marcelo Depólo Polêto, Hugo Verli, Fernando Lucas Melo, Renato Oliveira Resende
BACKGROUND: Tospovirus is a plant-infecting genus within the family Bunyaviridae, which also includes four animal-infecting genera: Hantavirus, Nairovirus, Phlebovirus and Orthobunyavirus. Compared to these members, the structures of Tospovirus proteins still are poorly understood. Despite multiple studies have attempted to identify candidate N protein regions involved in RNA binding and protein multimerization for tospovirus using yeast two-hybrid systems (Y2HS) and site-directed mutagenesis, the tospovirus ribonucleocapsids (RNPs) remains largely uncharacterized at the molecular level and the lack of structural information prevents detailed insight into these interactions...
December 15, 2016: BMC Bioinformatics
https://www.readbyqxmd.com/read/28105842/absolute-quantification-of-h5-subtype-avian-influenza-viruses-using-droplet-digital-loop-mediated-isothermal-amplification
#11
Yi Hu, Peng Xu, Jing Luo, Hongxuan He, Wenbin Du
Human infection with avian influenza A H5N1 viruses can cause severe diseases with high mortality rate and continues to pose a significant threat to global public health. Rapid diagnosis is needed for identifying the types of influenza viruses for making timely treatment decisions. Here, we demonstrate absolute quantification of H5-subtype influenza viruses by digital loop-mediated isothermal amplification (dLAMP) on our recently developed cross-interface emulsification (XiE) method. Our results show that XiE-based dLAMP is highly specific and displays comparable sensitivity to real-time PCR (qPCR) and digital PCR (dPCR)...
January 3, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28105081/cross-feeding-of-glucose-metabolism-byproducts-of-escherichia-coli-human-gut-isolates-and-probiotic-strains-affect-survival-of-vibrio-cholerae
#12
Chirantana Sengupta, Manjula Ekka, Saurabh Arora, Prashant D Dhaware, Rukhsana Chowdhury, Saumya Raychaudhuri
Vibrio cholerae converts glucose into either acid or the neutral end product acetoin and its survival in carbohydrate enriched media is linked to the nature of the byproducts produced. It has been demonstrated in this study that Escherichia coli strain isolated from the gut of healthy human volunteers and the commonly used probiotic E. coli Nissle strain that metabolize glucose to acidic byproducts drastically reduce the survival of V. cholerae strains irrespective of their glucose sensitivity and acetoin production status...
2017: Gut Pathogens
https://www.readbyqxmd.com/read/28104991/prevalence-of-hepatitis-c-virus-infection-among-hemodialysis-patients-in-the-middle-east-a-systematic-review-and-meta-analysis
#13
Soheil Ashkani-Esfahani, Seyed Moayed Alavian, Mohammad Salehi-Marzijarani
AIM: To determine hepatitis C virus (HCV) infection prevalence in each country of the Middle-East and the overall prevalence of the region. METHODS: In this systematic review, we gathered all documents related to HCV infection prevalence among hemodialysis patients in 17 middle-east countries from April 2006 to March 2016. We selected only cross-sectional studies that had proper sampling and measurement methods as well as a valid statistical analysis. RESULTS: After screening of 7311 documents, 56 studies were selected reporting the prevalence of HCV infection among hemodialysis patients from 10 countries of the region...
January 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28104468/composite-material-consisting-of-microporous-%C3%AE-tcp-ceramic-and-alginate-for-delayed-release-of-antibiotics
#14
Michael Seidenstuecker, Juergen Ruehe, Norbert P Suedkamp, Annerose Serr, Annette Wittmer, Marc Bohner, Anke Bernstein, Hermann O Mayr
OBJECTIVE: The aim of this study was to produce a novel composite of microporous β-TCP filled with alginate and Vancomycin (VAN) to prolong the release behavior of the antibiotic for up to 28 days. MATERIAL AND METHODS: Using the flow chamber developed by the group, porous ceramics in a directional flow were filled with alginates of different composition containing 50 mg/mL of antibiotics. After cross-linking the alginate with calcium ions, incubation took place in 10 mL double-distilled water for 4 weeks at 37 °C...
January 16, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28104352/comparative-proteomic-analysis-of-two-pathogenic-tritrichomonas-foetus-genotypes-there-is-more-to-the-proteome-than-meets-the-eye
#15
Leah J Stroud, Jan Šlapeta, Matthew P Padula, Dylan Druery, George Tsiotsioras, Jens R Coorssen, Colin M Stack
Certain clinical isolates of Tritrichomonas foetus infect the urogenital tract of cattle while others infect the gastrointestinal tract of cats. Previous studies have identified subtle genetic differences between these isolates with the term "genotype" adopted to reflect host origin. The aim of this work was to seek evidence of host-specific adaptation and to clarify the relationship between T. foetus genotypes. To do this we characterised the proteomes of both genotypes using two-dimensional gel electrophoresis (2DE) coupled with LC-MS/MS...
January 16, 2017: International Journal for Parasitology
https://www.readbyqxmd.com/read/28104185/causes-and-outcomes-of-sepsis-in-southeast-asia-a-multinational-multicentre-cross-sectional-study
#16
(no author information available yet)
BACKGROUND: Improved understanding of pathogens that cause sepsis would aid management and antimicrobial selection. In this study, we aimed to identify the causative pathogens of sepsis in southeast Asia. METHODS: In this multinational multicentre cross-sectional study of community-acquired sepsis and severe sepsis, we prospectively recruited children (age ≥30 days and <18 years) and adults (age ≥18 years) at 13 public hospitals in Indonesia (n=3), Thailand (n=4), and Vietnam (n=6)...
February 2017: Lancet Global Health
https://www.readbyqxmd.com/read/28104040/sexual-health-knowledge-and-behaviour-of-young-sudanese-queenslanders-a-cross-sectional-study
#17
Judith Dean, Marion Mitchell, Donald Stewart, Joseph Debattista
Background: Forced migration is associated with sexual vulnerability. However, little is known about the sexual health literacy and needs of refugee-background youth post resettlement. Methods: Conducted in partnership with the Queensland Sudanese community, this study used a cross-sectional survey to explore the sexual health knowledge, attitudes and behaviours of a convenience sample of 16- to 24-year-old Sudanese-background youth in Australia (n=229). Results: Sexually transmissible infection (STI) and HIV knowledge scores were generally low, although they were found to significantly improve the longer participants had lived in Australia (P<0...
January 20, 2017: Sexual Health
https://www.readbyqxmd.com/read/28103958/implementation-of-infection-prevention-and-antimicrobial-stewardship-in-cardiac-electrophysiology-laboratories-results-from-the-shea-research-network
#18
Preeti Mehrotra, Kalpana Gupta, Judith Strymish, Daniel B Kramer, Anne Lambert-Kerzner, P Michael Ho, Westyn Branch-Elliman
Infection prevention in electrophysiology (EP) laboratories is poorly characterized; thus, we conducted a cross-sectional survey using the SHEA Research Network. We found limited uptake of basic interventions, such as surveillance and appropriate peri-procedural antimicrobial use. Further study is needed to identify ways to improve infection prevention in this setting.
January 20, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28103889/heterogeneity-of-g6pd-deficiency-prevalence-in-mozambique-a-school-based-cross-sectional-survey-in-three-different-regions
#19
Beatriz Galatas, Lurdes Mabote, Wilson Simone, Gloria Matambisso, Lidia Nhamussua, María Del Mar Mañú-Pereira, Clara Menéndez, Francisco Saute, Eusebio Macete, Quique Bassat, Pedro Alonso, Pedro Aide
BACKGROUND: Glucose-6-phosphate dehydrogenase (G6PD) deficiency is an X-linked hereditary enzymatic abnormality that affects more than 400 million people worldwide. Most deficient individuals do not manifest any symptoms; however, several precipitant agents-such as fava intake, infections, or several drugs-may trigger acute haemolytic anaemia. Countries should be informed of the prevalence of this enzymatic anomaly within their borders, in order to make safe and appropriate national decisions regarding the use of potentially unsafe drugs for G6PD deficient individuals...
January 19, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28103832/thromboelastometry-analysis-of-thrombocytopenic-dengue-patients-a-cross-sectional-study
#20
Felipe Maia de Toledo Piza, Thiago Domingos Corrêa, Alexandre Rodrigues Marra, João Carlos Campos Guerra, Roseny Dos Reis Rodrigues, Andrea Aparecida Rocco Villarinho, Valdir Fernandes de Aranda, Sandra Christina Pereira Lima Shiramizo, Maria Roza de Jesus de Lima, Esper Georges Kallas, Alexandre Biasi Cavalcanti
BACKGROUND: Dengue virus infection (DVI) is a prevalent and potentially fatal viral disease associated with coagulopathy. So far, the coagulation profile of DVI patients with thrombocytopenia has not been assessed through a viscoelastic test such as rotational thromboelastometry. We aimed to describe the prevalence and characteristics of coagulation abnormalities in dengue fever outpatients with thrombocytopenia, addressed by both rotational thromboelastometry and conventional coagulation tests...
January 19, 2017: BMC Infectious Diseases
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