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https://www.readbyqxmd.com/read/27910950/human-antibody-3e1-targets-the-ha-stem-region-of-h1n1-and-h5n6-influenza-a-viruses
#1
Wenshuai Wang, Xiaoyu Sun, Yanbing Li, Jinpeng Su, Zhiyang Ling, Tianlong Zhang, Fang Wang, Hong Zhang, Hualan Chen, Jianping Ding, Bing Sun
As influenza A viruses remain a major threat to human health worldwide, the discovery of broadly neutralizing monoclonal antibodies that recognize conserved epitopes would facilitate the development of antibody-based therapeutic strategies. Here we report that a VH4-4-encoded human mAb named 3E1 could neutralize H1 and H5 subtype viruses in vitro and protect mice against the H1N1 and H5N6 viruses by inhibiting the low pH-induced conformational rearrangement of haemagglutinin (HA), hence blocking membrane fusion...
December 2, 2016: Nature Communications
https://www.readbyqxmd.com/read/27910867/effects-of-annual-influenza-vaccination-on-morbidity-and-mortality-in-patients-with-systemic-lupus-erythematosus-a-nationwide-cohort-study
#2
Chi-Ching Chang, Yu-Sheng Chang, Wei-Sheng Chen, Yi-Hsuan Chen, Jin-Hua Chen
Studies on the clinical efficacy of influenza vaccination on patients with systemic lupus erythematosus (SLE) are scant. The present study compared the incidence of hospitalization, morbidity, and mortality in patients with SLE between cohorts with and without influenza vaccination. We used the Taiwan's insurance claims data between 2001 and 2012 for identifying annual adult patients with SLE with (N = 1765) and without (N = 8360) influenza vaccination. The incidence rate ratio and hazard ratio (HR) for morbidities and mortality were measured for the vaccine and nonvaccine cohorts...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910810/production-of-tnf-alpha-ex-vivo-is-predictive-of-an-immune-response-to-flu-vaccination-in-a-frail-elderly-population
#3
Frédéric Bloch, Bénédicte Charmeteau, Michael Tovey, Jean-François Meritet, Corinne Desaint, Odile Launay, Pierre Lebon
OBJECTIVE: To investigate the relationship between the response to influenza vaccination and the ability to produce proinflamatory cytokines in elderly subjects. METHODS: Whole blood samples from 25 elderly subjects collected before influenza vaccination were stimulated with the influenza vaccine in order to evaluate the secretion of five specific cytokines: TNFα, IFNα, IFNγ, IL2 and IL10. The results were correlated with the increased HAI antibody titres two weeks after vaccination...
September 1, 2016: European Cytokine Network
https://www.readbyqxmd.com/read/27910264/vaccination-against-h9n2-avian-influenza-virus-reduces-bronchus-associated-lymphoid-tissue-formation-in-cynomolgus-macaques-after-intranasal-virus-challenge-infection
#4
Misako Nakayama, Hiroichi Ozaki, Yasushi Itoh, Kosuke Soda, Hirohito Ishigaki, Masatoshi Okamatsu, Yoshihiro Sakoda, Chun-Ho Park, Hideaki Tsuchiya, Hiroshi Kida, Kazumasa Ogasawara
H9N2 avian influenza virus causes sporadic human infection. Since humans do not possess acquired immunity specific to this virus, we examined the pathogenicity of an H9N2 virus isolated from a human and then analyzed protective effects of a vaccine in cynomolgus macaques. After intranasal challenge with A/Hong Kong/1073/1999 (H9N2) (HK1073) isolated from a human patient, viruses were isolated from nasal and tracheal swabs in unvaccinated macaques with mild fever and body weight loss. A formalin-inactivated H9N2 whole particle vaccine derived from our virus library was subcutaneously inoculated to macaques...
December 2016: Pathology International
https://www.readbyqxmd.com/read/27910193/use-of-organs-from-donors-with-bloodstream-infection-pneumonia-and-influenza-results-of-a-survey-of-infectious-diseases-practitioners
#5
Sanjay R Mehta, Cathy Logan, Camille N Kotton, Deepali Kumar, Saima Aslam
BACKGROUND: Potential organ donors may be admitted with an infection to an intensive care unit, or contract a nosocomial infection during their stay, increasing the risk of potential transmission to the recipient. Because of a lack of practice guidelines and large-scale data on this topic, we undertook a survey to assess the willingness of transplant infectious diseases (ID) physicians to accept such organs. METHODS: We performed a 10-question survey of ID providers from the American Society of Transplantation Infectious Disease Community of Practice to determine the scope of practice regarding acceptance of organs from donors with bloodstream infection, pneumonia, and influenza prior to organ procurement, as well as management of such infections following transplantation...
December 2, 2016: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/27909995/solithromycin-a-novel-fluoroketolide-for-the-treatment-of-community-acquired-bacterial-pneumonia
#6
REVIEW
George G Zhanel, Erika Hartel, Heather Adam, Sheryl Zelenitsky, Michael A Zhanel, Alyssa Golden, Frank Schweizer, Bala Gorityala, Philippe R S Lagacé-Wiens, Andrew J Walkty, Alfred S Gin, Daryl J Hoban, Joseph P Lynch, James A Karlowsky
Solithromycin is a novel fluoroketolide developed in both oral and intravenous formulations to address increasing macrolide resistance in pathogens causing community-acquired bacterial pneumonia (CABP). When compared with its macrolide and ketolide predecessors, solithromycin has several structural modifications which increase its ribosomal binding and reduce its propensity to known macrolide resistance mechanisms. Solithromycin, like telithromycin, affects 50S ribosomal subunit formation and function, as well as causing frame-shift errors during translation...
December 1, 2016: Drugs
https://www.readbyqxmd.com/read/27909944/using-an-analysis-of-behavior-change-to-inform-effective-digital-intervention-design-how-did-the-primit-website-change-hand-hygiene-behavior-across-8993-users
#7
B Ainsworth, M Steele, B Stuart, J Joseph, S Miller, L Morrison, P Little, L Yardley
BACKGROUND: In designing digital interventions for healthcare, it is important to understand not just whether interventions work but also how and for whom-including whether individual intervention components have different effects, whether a certain usage threshold is required to change behavior in each intervention and whether usage differs across population subgroups. PURPOSE: We investigated these questions using data from a large trial of the digital PRimary care trial of a website based Infection control intervention to Modify Influenza-like illness and respiratory tract infection Transmission) (PRIMIT) intervention, which aimed to reduce respiratory tract infections (RTIs) by increasing hand hygiene behavior...
December 1, 2016: Annals of Behavioral Medicine: a Publication of the Society of Behavioral Medicine
https://www.readbyqxmd.com/read/27908830/protective-efficacy-of-fc-targeting-conserved-influenza-virus-m2e-antigen-expressed-by-lactobacillus-plantarum
#8
Wen-Tao Yang, Gui-Lian Yang, Qian Wang, Hai-Bin Huang, Yan-Long Jiang, Chun-Wei Shi, Jian-Zhong Wang, Ke-Yan Huang, Yu-Bei Jin, Chun-Feng Wang
The influenza A (H1N1) virus is a highly contagious acute respiratory disease affecting pigs and humans. This disease causes severe economic loss in many countries, and developing mucosal vaccines is an efficient strategy to control the influenza virus. The neonatal Fc receptor (FcRn) plays an important role in transferring IgG across polarized epithelial cells. In the present study, an oral vaccine was developed using Lactobacillus plantarum to deliver the internal influenza viral protein M2e fused to an IgG Fc fragment...
November 28, 2016: Antiviral Research
https://www.readbyqxmd.com/read/27908828/assessment-of-the-potential-for-host-targeted-iminosugars-uv-4-and-uv-5-activity-against-filovirus-infections-in-vitro-and-in-vivo
#9
Kelly L Warfield, Travis K Warren, Xiangguo Qiu, Jay Wells, Chad E Mire, Joan B Geisbert, Kelly S Stuthman, Nicole L Garza, Sean A Van Tongeren, Amy C Shurtleff, Krystle N Agans, Gary Wong, Michael V Callahan, Thomas W Geisbert, Brennan Klose, Urban Ramstedt, Anthony M Treston
Iminosugars are host-directed antivirals with broad-spectrum activity. The iminosugar, N-butyl-deoxynojirimycin (NB-DNJ or Miglustat(®)), is used in humans for treatment of Gaucher's disease and has mild antiviral properties. More potent analogs of NB-DNJ have been generated and have demonstrated activity against a variety of viruses including flaviviruses, influenza, herpesviruses and filoviruses. In the current study, a panel of analogs based on NB-DNJ was analyzed for activity against Ebola (EBOV) and Marburg viruses (MARV)...
November 28, 2016: Antiviral Research
https://www.readbyqxmd.com/read/27907156/increased-nasopharyngeal-density-and-concurrent-carriage-of-streptococcus-pneumoniae-haemophilus-influenzae-and-moraxella-catarrhalis-are-associated-with-pneumonia-in-febrile-children
#10
Sopio Chochua, Valérie D'Acremont, Christiane Hanke, David Alfa, Joshua Shak, Mary Kilowoko, Esther Kyungu, Laurent Kaiser, Blaise Genton, Keith P Klugman, Jorge E Vidal
BACKGROUND: We assessed nasopharyngeal (NP) carriage of five pathogens in febrile children with and without acute respiratory infection (ARI) of the upper (URTI) or lower tract, attending health facilities in Tanzania. METHODS: NP swabs collected from children (N = 960) aged 2 months to 10 years, and with a temperature ≥38°C, were utilized to quantify bacterial density of S. pneumoniae (Sp), H. influenzae (Hi), M. catarrhalis (Mc), S. aureus (Sa), and N. meningitidis (Nm)...
2016: PloS One
https://www.readbyqxmd.com/read/27906921/rheumatologists-fail-to-advise-people-with-ra-to-get-immunised-which-matters-if-you-are-under-65-an-audit-in-a-new-zealand-rheumatology-service
#11
Brendan Ng, Lynn McBain, Rebecca Grainger
AIM: To assess if yearly-influenza and five-yearly pneumococcal vaccines are recommended to people with rheumatoid arthritis (RA) in a New Zealand rheumatology service in accordance with guidelines and determine patient immunisation status for these respiratory pathogens. METHODS: Retrospective review of electronic health records of all outpatients with RA attending a regional rheumatology centre in New Zealand over a one-month period immediately after the release of the 2015 influenza vaccination...
December 2, 2016: New Zealand Medical Journal
https://www.readbyqxmd.com/read/27906903/announcement-national-influenza-vaccination-week-december-4-10-2016
#12
(no author information available yet)
The U.S. Department of Health and Human Services, CDC, state and local health departments, and other partners will observe National Influenza Vaccination Week during December 4-10, 2016, with educational and promotional activities across the country. Beginning in 2005, National Influenza Vaccination Week was established to highlight the importance of annual influenza vaccination and to foster greater use of influenza vaccine during the months of December, January, and beyond. Last season, almost half (45.6%) of the U...
December 2, 2016: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/27905835/hemagglutination-inhibiting-antibody-persistence-1-year-after-of-influenza-vaccination-in-korean-children-and-adolescents
#13
Eun-Kyeong Kang, Byung-Wook Eun, Nam-Hee Kim, Yun-Kyung Kim, Jung-Sub Lim, Dong-Ho Kim
This study aimed to assess the one-year immunogenicity of influenza vaccines and the association between immunogenicity at one month and further influenza infections in children aged 6 months to 18 years. Serum hemagglutination inhibition (HI) antibody titers and GMTs were determined for the recommended influenza strains 0, 1, 6, and 12 months post-vaccination. The serological evidence of influenza infections were defined as the increase of HI titer (HI ≥1:40 and 4-fold rise). The seroprotection rates for strains A(H1N1), A(H3N2), and B were 91...
December 1, 2016: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/27905101/a-review-on-antiviral-activity-of-the-himalayan-medicinal-plants-traditionally-used-to-treat-bronchitis-and-related-symptoms
#14
REVIEW
Rahila Amber, Muhammad Adnan, Akash Tariq, Sakina Mussarat
OBJECTIVES: Bronchitis is a common respiratory tract infection of humans mainly caused by influenza virus, rhinovirus, adenovirus, coronavirus and respiratory syncytial virus. The aim of this review was to gather fragmented literature on ethnomedicinal plants used against bronchitis in the Himalayan region and their in-vitro validation against bronchitis causing viral pathogens. KEY FINDINGS: Present review contains ethnomedicines of total 55 plants from different countries of the Himalayas...
December 1, 2016: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/27904748/patterns-of-medication-use-and-factors-associated-with-antibiotic-use-among-adult-fever-patients-at-singapore-primary-care-clinics
#15
Zaw Myo Tun, Mahesh Moorthy, Martin Linster, Yvonne C F Su, Richard James Coker, Eng Eong Ooi, Jenny Guek-Hong Low, Gavin J D Smith, Clarence C Tam
BACKGROUND: Antimicrobial resistance is a public health problem of global importance. In Singapore, much focus has been given to antibiotic usage patterns in hospital settings. Data on antibiotic use in primary care is lacking. We describe antibiotic usage patterns and assess factors contributing to antibiotic usage among adults presenting with acute febrile illness (AFI) in primary care settings in Singapore. METHODS: We analyzed data from the Early Dengue infection and outcome study...
2016: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/27904520/a-diagnostic-one-step-real-time-reverse-transcription-polymerase-chain-reaction-method-for-accurate-detection-of-influenza-virus-type-a
#16
Mohammad Amin Behzadi, Mazyar Ziyaeyan, Abdolvahab Alborzi
INTRODUCTION: Influenza A is known as a public health concern worldwide. In this study, a novel one-step real-time reverse transcription polymerase chain reaction (rtRT-PCR) assay was designed and optimized for the detection of influenza A viruses. MATERIAL AND METHODS: The primers and probe were designed based on the analysis of 90 matrix nucleotide sequence data of influenza type A subtypes from the GenBank database of the National Center for Biotechnology Information (NCBI)...
December 1, 2016: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/27904034/regulation-of-matrix-metalloproteinases-2-and-9-gene-expression-in-cultured-human-fetal-membrane-cells-by-influenza-virus-infection
#17
Noboru Uchide, Kyoko Obatake, Rie Yamada, Hidetaka Sadanari, Keiko Matsubara, Tsugiya Murayama, Kunio Ohyama
In order to understand a possible etiology of adverse pregnancy outcomes associated with intrauterine influenza virus infection, we examined the effect of influenza virus infection on gene expression of matrix metalloproteinases (MMPs) in cultured amnion epithelial, amnion mesenchymal and chorion trophoblast cells prepared from human fetal membrane tissues by gelatin zymography, Western blotting and reverse transcriptase-PCR. The cells were infected with influenza A (H1N1) virus. The levels of pro-MMP-9 activity in culture supernatants of three types of cells were increased during the period of 24-48 h after the virus infection as compared to those of mock infection...
2016: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/27903601/performance-evaluation-of-allplex%C3%A2-respiratory-panel-1-2-and-3-for-the-detection-of-respiratory-viruses-and-influenza-a-virus-subtypes
#18
Hee Jae Huh, Ji-Youn Kim, Hyeon Jeong Kwon, Sun Ae Yun, Myoung-Keun Lee, Nam Yong Lee, Jong-Won Kim, Chang-Seok Ki
The Allplex™ Respiratory Panel 1, 2, and 3 (Allplex) is a one-step real-time reverse transcription PCR assay for the detection of respiratory viruses (RVs) and influenza A subtypes based on MuDT™ technology. Performance of the Allplex assay was compared to the AdvanSure™ RV real-time PCR Kit (AdvanSure) and PowerChek™ Pandemic H1N1/H3N2/H5N1 Real-time PCR Kit (PowerChek) using 417 clinical respiratory specimens. Compared to the AdvanSure assay for RV detection by each virus, the ranges of positive percent agreement, negative percent agreement, and kappa value were 82...
November 30, 2016: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/27903558/cost-effectiveness-analysis-of-routine-pneumococcal-vaccination-in-the-uk-a-comparison-of-the-phid-cv-vaccine-and-the-pcv-13-vaccine-using-a-markov-model
#19
Emmanuelle Delgleize, Oscar Leeuwenkamp, Eleni Theodorou, Nicolas Van de Velde
OBJECTIVES: In 2010, the 13-valent pneumococcal conjugate vaccine (PCV-13) replaced the 7-valent vaccine (introduced in 2006) for vaccination against invasive pneumococcal diseases (IPDs), pneumonia and acute otitis media (AOM) in the UK. Using recent evidence on the impact of PCVs and epidemiological changes in the UK, we performed a cost-effectiveness analysis (CEA) to compare the pneumococcal non-typeable Haemophilus influenzae protein D conjugate vaccine (PHiD-CV) with PCV-13 in the ongoing national vaccination programme...
November 30, 2016: BMJ Open
https://www.readbyqxmd.com/read/27903461/clinical-characteristics-and-outcome-of-respiratory-syncytial-virus-infection-among-adults-hospitalized-with-influenza-like-illness-in-france
#20
Paul Loubet, Nezha Lenzi, Martine Valette, Vincent Foulongne, Anne Krivine, Nadhira Houhou, Gisele Lagathu, Sylvie Rogez, Sophie Alain, Xavier Duval, Florence Galtier, Deborah Postil, Pierre Tattevin, Philippe Vanhems, Fabrice Carrat, Bruno Lina, Odile Launay
OBJECTIVES: The aim of this study was to analyze characteristics and outcome of RSV infection in adults hospitalized with influenza-like illness (ILI). METHODS: Patients hospitalized with ILI were included in this prospective, multicenter study carried out in six French hospitals during three consecutive influenza seasons (2012-2015). RSV and other respiratory viruses were detected by multiplex PCR in nasopharyngeal swabs. Risk factors for RSV infection were identified by backward stepwise logistic regression analysis...
November 26, 2016: Clinical Microbiology and Infection
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