keyword
MENU ▼
Read by QxMD icon Read
search

Influenza infection

keyword
https://www.readbyqxmd.com/read/28231019/pro-inflammatory-cytokines-impair-vitamin-d-induced-host-defense-in-cultured-airway-epithelial-cells
#1
Jasmijn A Schrumpf, Gimano D Amatngalim, Joris B Veldkamp, Renate M Verhoosel, Dennis K Ninaber, Soledad R Ordonez, Anne M van der Does, Henk P Haagsman, Pieter S Hiemstra
Vitamin D is a regulator of host defense against infections and induces expression of the antimicrobial peptide hCAP18/LL-37. Vitamin D deficiency is associated with chronic inflammatory lung diseases and respiratory infections. However, it is incompletely understood if and how (chronic) airway inflammation affects vitamin D metabolism and action. We hypothesized that long-term exposure of primary bronchial epithelial cells (PBEC) to pro-inflammatory cytokines alters their vitamin D metabolism, antibacterial activity and expression of hCAP18/LL-37...
February 23, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28230525/inference-and-forecast-of-h7n9-influenza-in-china-2013-to-2015
#2
Ruiyun Li, Yuqi Bai, Alex Heaney, Sasikiran Kandula, Jun Cai, Xuyi Zhao, Bing Xu, Jeffrey Shaman
The recent emergence of A(H7N9) avian influenza poses a significant challenge to public health in China and around the world; however, understanding of the transmission dynamics and progression of influenza A(H7N9) infection in domestic poultry, as well as spillover transmission to humans, remains limited. Here, we develop a mathematical model-Bayesian inference system which combines a simple epidemic model and data assimilation method, and use it in conjunction with data on observed human influenza A(H7N9) cases from 19 February 2013 to 19 September 2015 to estimate key epidemiological parameters and to forecast infection in both poultry and humans...
February 16, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/28230273/comparison-of-pathogen-eradication-rate-and-safety-of-anti-bacterial-agents-for-bronchitis-a-network-meta-analysis
#3
Jinghua Wang, Haiyang Xu, Dunwei Wang, Mingxian Li
OBJECTIVE: A large number of population in both developing and developed countries are affected by bronchitis, among all the factors, bacterial infection was considered as a critical cause of acute exacerbations of chronic bronchitis. Although several anti-bacterial agents were proved to have the effect of alleviating bronchitis, their relative efficacies and potential side effects remained not clear. We are keen to compare the pathogen eradication rate and safety of anti-bacterial agents for bronchitis...
February 23, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28228112/three-case-reports-of-post-immunization-and-post-viral-bullous-pemphigoid-looking-for-the-right-trigger
#4
Luca Baroero, Paola Coppo, Laura Bertolino, Stefano Maccario, Francesco Savino
BACKGROUND: Bullous pemphigoid (BP) is a blistering skin disorder infrequent in infancy and rarely reported in medical literature. CASE PRESENTATION: Here we describe three cases of BP which were referred to our department in the last 15 years. Two of them developed an eruption of bullous lesions just a few days after vaccination for diphtheria, tetanus, pertussis, poliomyelitis, hepatitis B and Haemophilus influenzae B. The third patient developed the same blistering lesions shortly after herpetic stomatitis...
February 23, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28224114/ha-triggers-the-switch-from-mek1-sumoylation-to-phosphorylation-of-the-erk-pathway-in-influenza-a-virus-infected-cells-and-facilitates-its-infection
#5
Chengmin Wang, Huimin Liu, Jing Luo, Lin Chen, Meng Li, Wen Su, Na Zhao, Shelan Liu, Li Xie, Yaxiong Jia, Hua Ding, Xiufeng Wan, Hongxuan He
Several post-translational modifications in host cells are hijacked by pathogens to facilitate their propagation. A number of components of the influenza virus have been reported to be modified by small ubiquitin-like modifier (SUMO) proteins during infection. We hypothesized that the MAPK/ERK pathway could be modified by SUMO1 because the SUMOylation of MEK1 was quickly eliminated after influenza A virus infection. We identified host cell MEK1 as a target of SUMO1 through LC/MS/MS, and enhanced MEK1 SUMOylation inhibited the infection of the virus, while inhibition of host cell MEK1 SUMOylation facilitated virus propagation...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28223680/uncomplicated-cystitis-in-an-adult-male-following-influenza-b-virus-infection
#6
Robert J Allen, Marios Koutsakos, Aeron C Hurt, Katherine Kedzierska
BACKGROUND Influenza B viruses cause seasonal epidemics of respiratory illness, circulating concurrently with influenza A viruses. However, virological and clinical knowledge of influenza B viruses is less well advanced than for influenza A, and in particular, complications associated with influenza B infection are not as commonly reported. Complications of influenza B infection predominantly include neurological and musculoskeletal pathologies, while a review of the literature shows that bacterial infections associated with influenza B viruses often involve Gram-positive organisms, with a smaller subset featuring Gram-negative species...
February 22, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28223386/surveillance-of-omadacycline-activity-tested-against-clinical-isolates-from-a-global-north-america-europe-latin-america-and-asia-western-pacific-collection-2010-2011
#7
Michael A Pfaller, Michael D Huband, Paul R Rhomberg, Robert K Flamm
Omadacycline is a broad spectrum aminomethylcycline in late-stage clinical development for acute bacterial skin and skin structure infections and community-acquired pneumonia as both an oral and intravenous, once-daily formulation. In this report omadacycline and comparators were tested against 69,246 non-duplicate bacterial isolates collected prospectively during 2010 and 2011 from medical centers in Asia-Pacific (11,397 isolates), Europe (23,490 isolates), Latin America (8,038 isolates) and North America (26,321 isolates)...
February 21, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28222765/new-h6-influenza-virus-reassortment-strains-isolated-from-anser-fabalis-in-anhui-province-china
#8
Ye Ge, Hongliang Chai, Zhiqiang Fan, Xianfu Wang, Qiucheng Yao, Jian Ma, Si Chen, Yuping Hua, Guohua Deng, Hualan Chen
BACKGROUND: H6 subtype avian influenza viruses are globally distributed and, in recent years, have been isolated with increasing frequency from both domestic and wild bird species as well as infected humans. Many reports have examined the viruses in the context of poultry or several wild bird species, but there is less information regarding their presence in migratory birds. METHODS: Hemagglutination and hemagglutination inhibition tests were used to measure HA activity for different HA subtypes...
February 21, 2017: Virology Journal
https://www.readbyqxmd.com/read/28222682/a-statistical-method-utilizing-information-of-imported-cases-to-estimate-the-transmissibility-for-an-influenza-pandemic
#9
Ka Chun Chong, Benny Chung Ying Zee, Maggie Haitian Wang
BACKGROUND: In a new influenza pandemic, travel data such as arrival times of cases seeded by the originating country can be regarded as a combination of the epidemic size and the mobility networks of infections connecting the originating country with other regions. It can be a complete and timely source for estimating the basic reproduction number (R 0 ), a key indicator of disease transmissibility. METHOD: In this study, we developed a likelihood-based method using arrival times of infected cases in different countries to estimate R 0 for influenza pandemics...
February 21, 2017: BMC Medical Research Methodology
https://www.readbyqxmd.com/read/28222368/direct-and-label-free-influenza-virus-detection-based-on-multisite-binding-to-sialic-acid-receptors
#10
Yukichi Horiguchi, Tatsuro Goda, Akira Matsumoto, Hiroaki Takeuchi, Shoji Yamaoka, Yuji Miyahara
A system to discriminate human or avian influenza A remains a highly sought-after tool for prevention of influenza pandemics in humans. Selective binding of the influenza A viral hemagglutinin (HA) to specific sialic acid (SA) receptors (Neu5Acα(2-6)Gal in humans, Neu5Acα(2-3)Gal in birds) is determined by the genotype of the HA and neuraminidase (NA) segments, making it one of the key characteristics that distinguishes human or avian influenza A virus. Here we demonstrate the direct detection of whole H1N1 influenza A virus using 6'-sialyllactose (Neu5Acα(2-6)Galβ(1-4)Glc, 6SL)-immobilized gold electrodes as biosensing surfaces...
February 16, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28222276/influenza-casts-a-lung-shadow
#11
Xavier De Luna, Kevan L Hartshorn
This commentary highlights the article by Pociask et al that provides new insights into the lingering effects of influenza infection.
February 18, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28222123/deriving-effective-vaccine-allocation-strategies-for-pandemic-influenza-comparison-of-an-agent-based-simulation-and-a-compartmental-model
#12
Özden O Dalgıç, Osman Y Özaltın, William A Ciccotelli, Fatih S Erenay
Individuals are prioritized based on their risk profiles when allocating limited vaccine stocks during an influenza pandemic. Computationally expensive but realistic agent-based simulations and fast but stylized compartmental models are typically used to derive effective vaccine allocation strategies. A detailed comparison of these two approaches, however, is often omitted. We derive age-specific vaccine allocation strategies to mitigate a pandemic influenza outbreak in Seattle by applying derivative-free optimization to an agent-based simulation and also to a compartmental model...
2017: PloS One
https://www.readbyqxmd.com/read/28220658/serological-evidence-for-exposure-to-avian-influenza-viruses-within-poultry-workers-in-southern-china
#13
E de Bruin, X Zhang, C Ke, R Sikkema, M Koopmans
The risk of infection with avian influenza viruses for poultry workers is relatively unknown in China, and study results are often biased by the notification of only the severe human cases. Protein microarray was used to detect binding antibodies to 13 different haemagglutinin (HA1-part) antigens of avian influenza A(H5N1), A(H7N7), A(H7N9) and A(H9N2) viruses, in serum samples from poultry workers and healthy blood donors collected in the course of 3 years in Guangdong Province, China. Significantly higher antibody titre levels were detected in poultry workers when compared to blood donors for the most recent H5 and H9 strains tested...
February 20, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/28219161/-advances-on-epidemiological-research-of-human-infections-with-novel-avian-influenza-a-h7n9-virus
#14
Q M Wang, S L Liu, E F Chen
Human infections with novel avian influenza A(H7N9)virus was an emerging infectious disease discovered in March, 2013. As of June30, 2016, 770 cases of H7N9 were reported in worldwide including 315 deaths with 40.9% of high case fatality rate. Yangtze River Delta and Pearl River Delta were the high-prevalence area. Formerly, the cases of H7N9 were concentrated on the municipalities. However, most of the case-patients were from smaller cities or rural areas nowadays. The H7N9 human infections mainly occurred in winter and spring every waves as similar as seasonal and H5N1 human infections...
February 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/28219018/selective-incorporation-of-vrnp-into-influenza-a-virions-determined-by-its-specific-interaction-with-m1-protein
#15
Chutikarn Chaimayo, Tsuyoshi Hayashi, Andrew Underwood, Erin Hodges, Toru Takimoto
Influenza A viruses contain eight single-stranded, negative-sense RNA segments as viral genomes in the form of viral ribonucleoproteins (vRNPs). During genome replication in the nucleus, positive-sense complementary RNPs (cRNPs) are produced as replicative intermediates, which are not incorporated into progeny virions. To analyze the mechanism of selective vRNP incorporation into progeny virions, we quantified vRNPs and cRNPs in the nuclear and cytosolic fractions of infected cells, using a strand-specific qRT-PCR...
February 17, 2017: Virology
https://www.readbyqxmd.com/read/28218983/single-radial-haemolysis-compared-to-hemagglutinin-inhibition-and-microneutralization-as-a-correlate-of-protection-against-influenza-a-h3n2-in-children-and-adolescents
#16
Biao Wang, Margaret L Russell, Angela Brewer, Jennifer Newton, Pardeep Singh, Brian J Ward, Mark Loeb
BACKGROUND: Serum antibodies are often used as correlates of protection for influenza. Three commonly used serological assays for detecting influenza-specific serum antibodies are single radial haemolysis (SRH), hemagglutinin inhibition (HAI), and microneutralization (MN). However, here are limited data on SRH as well as HAI and MN as correlates of protection against influenza in children and adolescents. There are also limited data that compare SRH to HAI and MN. OBJECTIVES: We sought primarily to understand how SRH titres correlate to protection against influenza infection in children and adolescents...
February 20, 2017: Influenza and Other Respiratory Viruses
https://www.readbyqxmd.com/read/28218288/detection-of-viral-respiratory-pathogens-in-mild-and-severe-acute-respiratory-infections-in-singapore
#17
Lili Jiang, Vernon Jian Ming Lee, Lin Cui, Raymond Lin, Chyi Lin Tan, Linda Wei Lin Tan, Wei-Yen Lim, Yee-Sin Leo, Louie Low, Martin Hibberd, Mark I-Cheng Chen
To investigate the performance of laboratory methods and clinical case definitions in detecting the viral pathogens for acute respiratory infections (ARIs) from a prospective community cohort and hospital inpatients, nasopharyngeal swabs from cohort members reporting ARIs (community-ARI) and inpatients admitted with ARIs (inpatient-ARI) were tested by Singleplex Real Time-Polymerase Chain Reaction (SRT-PCR), multiplex RT-PCR (MRT-PCR) and pathogen-chip system (PathChip) between April 2012 and December 2013...
February 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28218002/biofilm-formation-of-achromobacter-xylosoxidans-on-contact-lens
#18
Neda Konstantinović, Ivana Ćirković, Slobodanka Đukić, Vesna Marić, Dragana D Božić
Achromobacter spp. may contaminate lenses, lens cases, and contact lens solutions and cause ocular infections. The aim of this study was to investigate the possibility of isolated strain of Achromobacter xylosoxidans to form biofilm on the surface of soft contact lenses (CL), to quantify the production of the formed biofilm, and compare it with the reference strains (Pseudomonas aeruginosa, Staphylococcus aureus, and Haemophilus influenzae). Bacterial strain isolated from one contact lens case was identified as A...
February 20, 2017: Acta Microbiologica et Immunologica Hungarica
https://www.readbyqxmd.com/read/28216325/universal-influenza-virus-vaccines-and-therapeutic-antibodies
#19
REVIEW
Raffael Nachbagauer, Florian Krammer
BACKGROUND: Current influenza virus vaccines are effective when well matched to the circulating strains. Unfortunately, antigenic drift and the high diversity of potential emerging zoonotic and pandemic viruses make it difficult to select the right strains for vaccine production. This problem causes vaccine mismatches which lead to sharp drops in vaccine effectiveness and long response times in case of novel pandemic viruses. AIMS: To provide an overview of universal influenza virus vaccines and therapeutic antibodies in pre-clinical and clinical development...
February 12, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28216237/development-of-an-anti-ferret-cd4-monoclonal-antibody-for-the-characterisation-of-ferret-t-lymphocytes
#20
Daniel S Layton, Xiaowen Xiao, John D Bentley, Louis Lu, Cameron R Stewart, Andrew G D Bean, Timothy E Adams
The ferret is an established animal model for a number of human respiratory viral infections, such as influenza virus and more recently, Ebola virus. However, a paucity of immunological reagents has hampered the study of cellular immune responses. Here we describe the development and characterisation of a novel monoclonal antibody (mAb) against the ferret CD4 antigen and the characterisation of ferret CD4 T lymphocytes. Recombinant production and purification of the ferret CD4 ectodomain soluble protein allowed hybridoma generation and the generation of a mAb (FeCD4) showing strong binding to ferret CD4 protein and lymphoid cells by flow cytometry...
February 16, 2017: Journal of Immunological Methods
keyword
keyword
67101
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"