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https://www.readbyqxmd.com/read/27890448/vaccines-against-pseudorabies-virus-prv
#1
C M Freuling, T F Müller, T C Mettenleiter
Aujeszkýs disease (AD, pseudorabies) is a notifiable herpesvirus infection of pigs causing substantial economic losses to swine producers. AD in pigs is controlled by the use of vaccination with inactivated and attenuated live vaccines. Starting with classically attenuated live vaccines derived from low virulent field isolates, AD vaccination has pioneered novel strategies in animal disease control by the first use of genetically engineered live virus vaccines lacking virulence-determining genes, and the concept of DIVA, i...
November 18, 2016: Veterinary Microbiology
https://www.readbyqxmd.com/read/27888443/the-effect-of-heat-and-free-chlorine-treatments-on-the-surface-properties-of-murine-norovirus
#2
Adrien Brié, Ravo Razafimahefa, Julie Loutreul, Aurélie Robert, Christophe Gantzer, Nicolas Boudaud, Isabelle Bertrand
Heat and free chlorine are among the most efficient and commonly used treatments to inactivate enteric viruses, but their global inactivation mechanisms have not been elucidated yet. These treatments have been shown to affect at least the capsid proteins of viruses and thus may affect the surface properties (i.e. electrostatic charge and hydrophobicity) of such particles. Our aim was to study the effects of heat and free chlorine on surface properties for a murine norovirus chosen as surrogate for human norovirus...
November 25, 2016: Food and Environmental Virology
https://www.readbyqxmd.com/read/27883286/influenza-in-poland-in-2013-and-2013-2014-epidemic-season
#3
Katarzyna Kondratiuk, Mirosław P Czarkowski, Ewelina Hallmann-Szelińska1, Ewa Staszewska, Karolina Bednarska, Ewa Cielebąk, Lidia B Brydak
OBJECTIVE: Analysis of epidemiological situation of influenza in Poland in 2013 and 2013/14 epidemic season in reference to previous years and seasons. MATERIAL AND METHODS: Analysis was based on: 1) data collected within influenza routine surveillance system in Poland, including data published in annual bulletins “Infectious diseases and poisonings in Poland” as well as unpublished data gathered in the Department of Epidemiology of the NIPH-NIH; 2) data collected within influenza system - Sentinel, and beyond this system, concerning results of virological tests carried out in 2013/14 epidemic season in the Department of Influenza Research, National Influenza Center in the NIPHNIH and/or laboratories of provincial sanitary and epidemiological stations which are gathered in the National Influenza Center...
2016: Przegla̧d Epidemiologiczny
https://www.readbyqxmd.com/read/27881655/porcine-reproductive-and-respiratory-syndrome-virus-nsp1%C3%AE-inhibits-nf-%C3%AE%C2%BAb-activation-by-targeting-linear-ubiquitin-chain-assembly-complex-lubac
#4
Huiyuan Jing, Liurong Fang, Zhen Ding, Dang Wang, Wenqi Hao, Li Gao, Wenting Ke, Huanchun Chen, Shaobo Xiao
: Linear ubiquitination, a newly discovered posttranslational modification, is catalyzed by the linear ubiquitin chain assembly complex (LUBAC), which is composed of three subunits: one catalytic subunit HOIP and two accessory molecules, HOIL-1L and SHARPIN. Accumulating evidence suggests that linear ubiquitination plays a crucial role in innate immune signaling and especially in the activation of the NF-κB pathway by conjugating linear polyubiquitin chains to NF-κB essential modulator (NEMO, also called IKKγ), the regulatory subunit of the IKK complex...
November 23, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27879335/catabolite-and-oxygen-regulation-of-enterohemorrhagic-escherichia-coli-virulence
#5
Kimberly M Carlson-Banning, Vanessa Sperandio
: The biogeography of the gut is diverse in its longitudinal axis, as well as within specific microenvironments. Differential oxygenation and nutrient composition drive the membership of microbial communities in these habitats. Moreover, enteric pathogens can orchestrate further modifications to gain a competitive advantage toward host colonization. These pathogens are versatile and adept when exploiting the human colon. They expertly navigate complex environmental cues and interkingdom signaling to colonize and infect their hosts...
November 22, 2016: MBio
https://www.readbyqxmd.com/read/27870539/hepatitis-c-in-poland-in-2014
#6
Magdalena Rosińska, Natalia Parda, Małgorzata Stępień
INTRODUCTION: . Currently, hepatitis C (HCV infection) is one of the public health priorities worldwide. It is associated with a considerable improvement of methods undertaken to eliminate this disease. Due to the predominance of chronic infections of long asymptomatic course, the number of cases detected in successive years does not reflect the actual dynamics of the epidemiological situation of hepatitis C. To a large extent, it depends on current testing practices. The modifications in the provisions on the notification of diagnosed cases may also have an effect on the number of HCV infections registered in successive years...
2016: Przegla̧d Epidemiologiczny
https://www.readbyqxmd.com/read/27864551/immunological-outcomes-of-antibody-binding-to-glycans-shared-between-microorganisms-and-mammals
#7
REVIEW
Preeyam Patel, John F Kearney
Glycans constitute basic cellular components of living organisms across biological kingdoms, and glycan-binding Abs participate in many cellular interactions during immune defense against pathogenic organisms. Glycan epitopes are expressed as carbohydrate-only entities or as oligomers or polymers on proteins and lipids. Such epitopes on glycoproteins may be formed by posttranslational modifications or neoepitopes resulting from metabolic-catabolic processes and can be altered during inflammation. Pathogenic organisms can display host-like glycans to evade the host immune response...
December 1, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27862830/urinary-tract-and-genital-infections-in-patients-with-type-2-diabetes-treated-with-sodium-glucose-cotransporter-2-inhibitors-a-meta-analysis-of-randomized-controlled-trials
#8
Dandan Li, Tiansheng Wang, Su Shen, Zhenwei Fang, Yue Dong, Huilin Tang
AIMS: Sodium-glucose cotransporter 2 (SGLT2) inhibitors were associated with increased risk of urinary tract infections (UTIs) and genital infections. However, differences among different doses were still controversial. Thus, we aimed to evaluate effects of different SGLT2 inhibitors on the risk of UTIs and genital infections in patients with type 2 diabetes mellitus (T2DM). MATERIALS AND METHODS: We systematically searched PubMed, Embase, CENTRAL, and ClinicalTrials...
November 12, 2016: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/27860197/crispr-cas9-the-ultimate-weapon-to-battle-infectious-diseases
#9
REVIEW
M Doerflinger, W Forsyth, G Ebert, M Pellegrini, M J Herold
Infectious diseases are a leading cause of death worldwide. Novel therapeutics are urgently required to treat multi-drug resistant organisms such as Mycobacterium tuberculosis (Mtb) and to mitigate morbidity and mortality caused by acute infections such as malaria and dengue fever virus as well as chronic infections such as human immunodeficiency virus -1 (HIV-1) and hepatitis B virus (HBV). The CRISPR/Cas9 system, which has revolutionized biomedical research, holds great promise for the identification and validation of novel drug targets...
November 16, 2016: Cellular Microbiology
https://www.readbyqxmd.com/read/27837517/microarray-technologies-in-fungal-diagnostics
#10
Steffen Rupp
Microarray technologies have been a major research tool in the last decades. In addition they have been introduced into several fields of diagnostics including diagnostics of infectious diseases. Microarrays are highly parallelized assay systems that initially were developed for multiparametric nucleic acid detection. From there on they rapidly developed towards a tool for the detection of all kind of biological compounds (DNA, RNA, proteins, cells, nucleic acids, carbohydrates, etc.) or their modifications (methylation, phosphorylation, etc...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27822455/burden-of-cancers-attributable-to-infectious-agents-in-nigeria-2012-2014
#11
Michael Odutola, Elima E Jedy-Agba, Eileen O Dareng, Emmanuel Aja Oga, Festus Igbinoba, Theresa Otu, Emmanuel Ezeome, Ramatu Hassan, Clement A Adebamowo
INTRODUCTION: Infections by certain viruses, bacteria, and parasites have been identified as risk factors for some cancers. In Nigeria, like many other developing countries, infections remain a leading cause of morbidity and mortality. While there are data on the incidence of different cancers in Nigeria, there has been no study of cancers attributable to infections. This study was carried out to determine the burden of cancers attributable to infections using data from two population-based cancer registries (PBCRs) in Nigeria...
2016: Frontiers in Oncology
https://www.readbyqxmd.com/read/27806933/mechanisms-of-fluoroquinolone-resistance-in-mycobacterium-tuberculosis
#12
Zhang Yujiao, Li Xiaojing, Mi Kaixia
Tuberculosis, caused by the pathogen Mycobacterium tuberculosis, is one of the world's deadliest bacterial infectious disease. It is still a global-health threat, particularly because of the drug-resistant forms. Fluoroquinolones, with target of gyrase, are among the drugs used to treat tuberculosis. However, their widespread use has led to bacterial resistance. The molecular mechanisms of fluoroquinolone resistance in mycobacterium tuberculosis have been reported, such as DNA gyrase mutations, drug efflux pumps system, bacterial cell wall thickness and pentapeptide proteins (MfpA) mediated regulation of gyrase...
October 20, 2016: Yi Chuan, Hereditas
https://www.readbyqxmd.com/read/27803322/s2-from-equine-infectious-anemia-virus-is-an-infectivity-factor-which-counteracts-the-retroviral-inhibitors-serinc5-and-serinc3
#13
Ajit Chande, Emilia Cristiana Cuccurullo, Annachiara Rosa, Serena Ziglio, Susan Carpenter, Massimo Pizzato
The lentivirus equine infectious anemia virus (EIAV) encodes the small protein S2, a pathogenic determinant that is important for virus replication and disease progression in horses. No molecular function had been linked to this accessory protein. We report that S2 can replace the activity of Negative factor (Nef) in HIV-1 infectivity, being required to antagonize the inhibitory activity of Serine incorporator (SERINC) proteins on Nef-defective HIV-1. Like Nef, S2 excludes SERINC5 from virus particles and requires an ExxxLL motif predicted to recruit the clathrin adaptor, Adaptor protein 2 (AP2)...
November 1, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27799772/highly-sensitive-detection-of-protein-biomarkers-via-nuclear-magnetic-resonance-biosensor-with-magnetically-engineered-nanoferrite-particles
#14
Minhong Jeun, Sungwook Park, Hakho Lee, Kwan Hyi Lee
Magnetic-based biosensors are attractive for on-site detection of biomarkers due to the low magnetic susceptibility of biological samples. Here, we report a highly sensitive magnetic-based biosensing system that is composed of a miniaturized nuclear magnetic resonance (NMR) device and magnetically engineered nanoferrite particles (NFPs). The sensing performance, also identified as the transverse relaxation (R2) rate, of the NMR device is directly related to the magnetic properties of the NFPs. Therefore, we developed magnetically engineered NFPs (MnMg-NFP) and used them as NMR agents to exhibit a significantly improved R2 rate...
2016: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/27798950/comparative-proteome-analysis-of-xanthomonas-citri-subsp-citri-periplasmic-proteins-reveals-changes-in-cellular-envelope-metabolism-during-in-vitro-pathogenicity-induction
#15
Juliana Artier, Flávia da Silva Zandonadi, Flávia Maria de Souza Carvalho, Bianca Alves Pauletti, Adriana Franco Paes Leme, Carolina Moretto Carnielli, Heloisa Sobreiro Selistre de Araujo, Maria Célia Bertolini, Jesus Aparecido Ferro, José Belasque Júnior, Julio Cezar Franco de Oliveira, Maria Teresa Marques Novo-Mansur
Citrus canker is a plant disease caused by gram-negative bacteria from the genus Xanthomonas, and the most virulent species is Xanthomonas citri subsp.citri (XAC), which attacks a wide range of citrus hosts. Differential proteomic analysis of periplasm-enriched fraction was performed for XAC cells grown in pathogenicity-inducing (XAM-M) and pathogenicity non-inducing (NB) media, using two-dimensional electrophoresis combined with liquid chromatography-tandem mass spectrometry. Among the 40 proteins identified, transglycosylase was detected in a highly abundant spot in XAC cells grown under inducing condition...
October 31, 2016: Molecular Plant Pathology
https://www.readbyqxmd.com/read/27783394/association-of-nkg2d-gene-variants-with-susceptibility-and-severity-of-rheumatoid-arthritis
#16
Christina M Mariaselvam, Ryad Tamouza, Rajagopal Krishnamoorthy, Dominique Charron, Durga Prasanna Misra, Vikramraj K Jain, Vir Singh Negi
INTRODUCTION: NKG2D (KLRK1) is a C-type lectin receptor present on NK cells, γδ, CD8(+) and CD4(+) T cells. Upon ligand binding, NKG2D mediates activatory and co-stimulatory signals to NK cells and activated CD4+ T cells, respectively. Polymorphisms in NKG2D predispose to infectious diseases, cancer, transplantation and autoimmune disorders. We studied the influence of this NK receptor polymorphism on predisposition to and modification of the disease phenotype in patients with Rheumatoid Arthritis (RA)...
October 26, 2016: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/27779839/hepatitis-b-in-poland-in-2014
#17
Małgorzata Stępień, Katarzyna Piwowarow, Mirosław P Czarkowski
OBJECTIVE: The aim of the study was to assess the epidemiological situation of hepatitis B in Poland in 2014 in comparison with the previous years. MATERIAL AND METHODS: The evaluation of the epidemiological situation was carried out on a basis of analysis of data from case-based reports on acute hepatitis B registered by sanitary and epidemiological stations, aggregate data derived from annual bulletins “Infectious diseases and poisonings in Poland”, data from annual bulletin “Vaccinations in Poland” and data on locally registered HBsAg carriers...
2016: Przegla̧d Epidemiologiczny
https://www.readbyqxmd.com/read/27773535/n6-methyladenosine-in-flaviviridae-viral-rna-genomes-regulates-infection
#18
Nandan S Gokhale, Alexa B R McIntyre, Michael J McFadden, Allison E Roder, Edward M Kennedy, Jorge A Gandara, Sharon E Hopcraft, Kendra M Quicke, Christine Vazquez, Jason Willer, Olga R Ilkayeva, Brittany A Law, Christopher L Holley, Mariano A Garcia-Blanco, Matthew J Evans, Mehul S Suthar, Shelton S Bradrick, Christopher E Mason, Stacy M Horner
The RNA modification N6-methyladenosine (m(6)A) post-transcriptionally regulates RNA function. The cellular machinery that controls m(6)A includes methyltransferases and demethylases that add or remove this modification, as well as m(6)A-binding YTHDF proteins that promote the translation or degradation of m(6)A-modified mRNA. We demonstrate that m(6)A modulates infection by hepatitis C virus (HCV). Depletion of m(6)A methyltransferases or an m(6)A demethylase, respectively, increases or decreases infectious HCV particle production...
November 9, 2016: Cell Host & Microbe
https://www.readbyqxmd.com/read/27772724/nanodelivery-systems-for-enhancing-the-immunostimulatory-effect-of-cpg-oligodeoxynucleotides
#19
Huijie Zhang, Xiao-Dong Gao
Synthetic oligodeoxynucleotides containing immunostimulatory CpG motif mimic bacterial DNA and are potent activator of innate and adaptive immune responses. Therefore, CpG ODNs have significant potentials as immunotherapeutic agent for treatment of infectious diseases, allergy and cancer. Many clinical trials involving CpG ODNs either used alone or as adjuvant have been initiated. However, delivery of CpG ODNs to target sites still remains a great challenge due to their extreme susceptibility to nuclease degradation in serum and poor cellular uptake...
January 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27769567/genome-wide-dna-methylation-changes-in-a-mouse-model-of-infection-mediated-neurodevelopmental-disorders
#20
Juliet Richetto, Renaud Massart, Ulrike Weber-Stadlbauer, Moshe Szyf, Marco A Riva, Urs Meyer
BACKGROUND: Prenatal exposure to infectious or inflammatory insults increases the risk of neurodevelopmental disorders. Using a well-established mouse model of prenatal viral-like immune activation, we examined whether this pathological association involves genome-wide DNA methylation differences at single nucleotide resolution. METHODS: Prenatal immune activation was induced by maternal treatment with the viral mimetic polyriboinosinic-polyribocytidylic acid in middle or late gestation...
August 12, 2016: Biological Psychiatry
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