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https://www.readbyqxmd.com/read/29037001/-analysis-of-the-characteristics-and-hiv-syphilis-hcv-infection-among-new-narcotic-users-in-beijing-2010-2016
#1
Y M Sun, G Y Li, S F He, H Y Lu
No abstract text is available yet for this article.
October 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/29036705/chalcogenozidovudine-derivatives-with-antitumor-activity-comparative-toxicities-in-cultured-human-mononuclear-cells
#2
Assis Ecker, Pauline Christ Ledur, Rafael S da Silva, Daniela Bitencourt Rosa Leal, Oscar E D Rodrigues, Daniel Ardisson-Araújo, Emily Pansera Waczuk, João Batista Teixeira da Rocha, Nilda Vargas Barbosa
Considering a novel series of zidovudine (AZT) derivatives encompassing selenoaryl moieties promising candidates as therapeutics, we examined the toxicities elicited by AZT and derivatives 5'-(4-Chlorophenylseleno)zidovudine (SZ1); 5'-(Phenylseleno)zidovudine (SZ2); and 5'-(4-Methylphenylseleno)zidovudine (SZ3) in healthy cells and in mice. Resting and stimulated cultured human peripheral blood mononuclear cells (PBMCs) were treated with the compounds at concentrations ranging from 10 to 200 µM for 24 and/or 72 h...
July 28, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29036669/comparative-genome-and-transcriptome-analyses-reveal-adaptations-to-opportunistic-infections-in-woody-plant-degrading-pathogens-of-botryosphaeriaceae
#3
Ji Ye Yan, Wen Sheng Zhao, Zhen Chen, Qi Kai Xing, Wei Zhang, K W Thilini Chethana, Min Feng Xue, Jian Ping Xu, Alan J L Phillips, Yong Wang, Jian Hua Liu, Mei Liu, Ying Zhou, Ruvishika S Jayawardena, Ishara S Manawasinghe, Jin Bao Huang, Guang Hang Qiao, Chun Yuan Fu, Fei Fei Guo, Asha J Dissanayake, You Liang Peng, Kevin D Hyde, Xing Hong Li
Botryosphaeriaceae are an important fungal family that cause woody plant diseases worldwide. Recent studies have established a correlation between environmental factors and disease expression; however, less is known about factors that trigger these diseases. The current study reports on the 43.3 Mb de novo genome of Lasiodiplodia theobromae and five other genomes of Botryosphaeriaceae pathogens. Botryosphaeriaceous genomes showed an expansion of gene families associated with cell wall degradation, nutrient uptake, secondary metabolism and membrane transport, which contribute to adaptations for wood degradation...
October 3, 2017: DNA Research: An International Journal for Rapid Publication of Reports on Genes and Genomes
https://www.readbyqxmd.com/read/29036663/metabolomic-and-biochemical-approaches-link-salicylic-acid-biosynthesis-to-cyanogenesis-in-peach-plants
#4
Pedro Diaz-Vivancos, Agustina Bernal-Vicente, Daniel Cantabella, Cesar Petri, José Antonio Hernández
Despite the long-established importance of salicylic acid (SA) in plant stress responses and other biological processes, its biosynthetic pathways have not been fully characterized. The proposed SA synthesis originates from chorismate by two distinct pathways: isochorismate and phenylalanine (Phe) ammonia-lyase (PAL) pathways. Cyanogenesis is the process related to the release of hydrogen cyanide from endogenous cyanogenic glycosides (CNglcs), and it has been linked to plant plasticity improvement. To date, however, no relationship has been suggested between both pathways...
September 25, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/29036374/gating-mass-cytometry-data-by-deep-learning
#5
Huamin Li, Uri Shaham, Kelly P Stanton, Yi Yao, Ruth R Montgomery, Yuval Kluger
Motivation: Mass cytometry or CyTOF is an emerging technology for high-dimensional multiparameter single cell analysis that overcomes many limitations of fluorescence-based flow cytometry. New methods for analyzing CyTOF data attempt to improve automation, scalability, performance and interpretation of data generated in large studies. Assigning individual cells into discrete groups of cell types (gating) involves time-consuming sequential manual steps, untenable for larger studies. Results: We introduce DeepCyTOF, a standardization approach for gating, based on deep learning techniques...
July 13, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29036182/proteome-analysis-of-bronchoalveolar-lavage-from-calves-infected-with-bovine-respiratory-syncytial-virus-insights-in-pathogenesis-and-perspectives-for-new-treatments
#6
Sara Hägglund, Krister Blodörn, Katarina Näslund, Karin Vargmar, Sara Bergström Lind, Jia Mi, Mariluz Araínga, Sabine Riffault, Geraldine Taylor, John Pringle, Jean François Valarcher
Human and bovine respiratory syncytial viruses (HRSV/BRSV) are major causes of severe lower respiratory tract infections in children and calves, respectively. Shared epidemiological, clinical, pathological and genetic characteristics of these viruses make comparative research highly relevant. To characterise the host response against BRSV infection, bronchoalveolar lavage supernatant (BAL) from i) non-vaccinated, BRSV-infected ii) vaccinated, BRSV-infected and iii) non-infected calves was analysed by tandem mass spectrometry...
2017: PloS One
https://www.readbyqxmd.com/read/29035946/role-of-the-lung-microbiome-in-hiv-pathogenesis
#7
Meera K Shenoy, Susan V Lynch
PURPOSE OF REVIEW: The purpose of this review is to summarize recent findings on the lung microbiome in HIV-infected patients and associated pulmonary diseases, and the relationship of airway microbial communities to metabolic and immune signatures within this patient population. RECENT FINDINGS: The lung microbiome in HIV infection is a relatively new and rapidly developing field; early studies in the field produced inconclusive evidence as to whether HIV-infection changes the lower airway microbiome...
October 14, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/29035867/natural-occurrence-of-microsporidia-infecting-lepidoptera-in-bulgaria
#8
Daniela Pilarska, Danail Takov, Miroslav Hyliš, Renate Radek, Ivan Fiala, Leellen Solter, Andreas Linde
We examined 34 lepidopteran species belonging to 12 families to determine presence and prevalence of microsporidian pathogens. The insects were collected from May 2009 to July 2012 from 44 sites in Bulgaria. Nosema species were isolated from Archips xylosteana, Tortrix viridana, Operophtera brumata, Orthosia cerasi, and Orthosia cruda. Endoreticulatus sp. was isolated from Eilema complana. The prevalence of all isolates in their hosts was low and ranged from 1.0% to 5.3%. Phylogenetic analyses of the new isolates based on SSU rDNA are presented...
December 20, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/29035860/expansion-of-ashworthius-sidemi-in-red-deer-and-roe-deer-from-the-lower-silesian-wilderness-and-its-impact-on-infection-with-other-gastrointestinal-nematodes
#9
Aleksander W Demiaszkiewicz, Dorota Merta, Janusz Kobielski, Katarzyna J Filip, Anna M Pyziel
Nematodes Ashworthius sidemi are typical parasites of Asiatic cervids, mostly sika deer (Cervus nippon). Migrating red deer have probably introduced this parasite to the area of Poland from neighbouring countries. The aim of the study was to determine prevalence and intensity of infection of red deer and roe deer from the Lower Silesian Wilderness with A. sidemi after one year from previous studies and to examine the influence of these parasites on other species of gastrointestinal nematodes. 31 abomasa of red deer and 3 abomasa of roe deer from Forest Dictrict of Ruszów have been examined on the presence of parasites...
December 20, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/29035857/humoral-response-of-mice-infected-with-toxocara-canis-following-different-infection-schemes
#10
Jan Novák, Lucie Panská, Tomáš Macháček, Libuše Kolářová, Petr Horák
The study was focused on the dynamics of humoral response to Toxocara canis excretory-secretory antigens (TES antigens) in mice experimentally infected by T. canis L3 larvae in different ways. In particular, we compared the effect of infection with two doses of 1000 larvae vs. repeated infections with a low number of larvae (daily infection with 10 larvae and weekly infection with 100 larvae in the course of 22 weeks). In ELISA, all infections, including both schemes with lower larval doses, elicited significant antibody response...
December 20, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/29035729/pre-clinical-in-vitro-infection-models
#11
REVIEW
George L Drusano
Given the current magnitude of the problem of antimicrobial resistance, particularly in the hospital setting, getting new agents to patients at the right dose and schedule is incredibly important. In vitro systems such as the 1-compartment model and the hollow fiber infection model (HFIM) can provide valuable information that allows rational decisions to be made which will drive the best choices of dose and schedule. Studies identifying the dynamically-linked index (dose fractionation studies) and the size of the index to obtain a specific amount of bacterial kill can be performed in both systems...
October 13, 2017: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/29035438/high-throughput-screening-of-escherichia-coli-o157-h7-pathogenic-genes-via-pathway-enrichment-and-operon-analysis
#12
Guangxin Yuan, Jia Fu, Liping An, Yan Zhuang, Yu Wang, Yunfeng Song, Zijing Qiao, Xiaolong Wang, Yufei Tian, Xiao Han, Peige Du, Guangyu Xu
BACKGROUND: About thirty thousand people globally die every day from infectious diarrhea, mostly caused by pathogenic Escherichia coli (E. coli) O157:H7. METHODS: In order to search for clinical diagnostic biomarkers and novel drug targets for infectious diarrhea, we used a bibliometric method to collect pathogenic genes of E. coli O157:H7 and performed a functional analysis of the important pathogenic genes by pathway enrichment and operon analysis. RESULTS: We found 364 pathogenic genes which may be involved in infection with E...
October 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/29035197/drug-induced-kidney-injury-a-large-case-series-from-the-berlin-case-control-surveillance-study%C3%A2
#13
Antonios Douros, Elisabeth Bronder, Andreas Klimpel, Christiane Erley, Edeltraut Garbe, Reinhold Kreutz
OBJECTIVES: Drug-induced kidney injury (DIKI) may affect patients regardless of their baseline kidney function. Therefore, this study evaluated DIKI in patients with or without previous chronic kidney disease (CKD). MATERIALS AND METHODS: Potential DIKI cases were ascertained using the network of the Berlin Case-Control Surveillance Study in all 51 Berlin hospitals from April 2010 until December 2011. Via face-to-face interviews and medical chart reviews, information on all previous drug intake, comorbidities, and demographics was gathered...
October 16, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/29034936/synergistic-antiviral-effect-of-curcumin-functionalized-graphene-oxide-against-respiratory-syncytial-virus-infection
#14
Xiao Xi Yang, Chun Mei Li, Yuan Fang Li, Jian Wang, Cheng Zhi Huang
The diseases attributable to viruses remain a global burden. The respiratory syncytial virus (RSV), which is considered as the major viral pathogen of the lower respiratory tract of infants, has been implicated in severe lung disease. In this contribution, we developed a β-cyclodextrin (CD) functionalized graphene oxide (GO) composite, which displayed excellent antiviral activity and could load curcumin efficiently. RSV, a negative-sense single-stranded enveloped RNA virus, was employed as a model virus to investigate the antiviral activity of multifunctional GO...
October 16, 2017: Nanoscale
https://www.readbyqxmd.com/read/29034876/quantifying-the-contribution-of-plasmodium-falciparum-malaria-to-febrile-illness-amongst-african-children
#15
Ursula Dalrymple, Ewan Cameron, Samir Bhatt, Daniel J Weiss, Sunetra Gupta, Peter W Gething
Suspected malaria cases in Africa increasingly receive a rapid diagnostic test (RDT) before antimalarials are prescribed. While this ensures efficient use of resources to clear parasites, the underlying cause of the individual's fever remains unknown due to potential coinfection with a non-malarial febrile illness. Widespread use of RDTs does not necessarily prevent over-estimation of clinical malaria cases or sub-optimal case management of febrile patients. We present a new approach that allows inference of the spatiotemporal prevalence of both Plasmodium falciparum malaria-attributable and non-malarial fever in sub-Saharan African children from 2006-2014...
October 16, 2017: ELife
https://www.readbyqxmd.com/read/29034782/the-comparative-epidemiology-of-pediatric-severe-sepsis
#16
Mary E Hartman, Mohammed J Saeed, Kimberly N Powell, Margaret A Olsen
OBJECTIVE: To determine whether the coding strategies used to identify severe sepsis in administrative data sets could identify cases with comparable case mix, hospitalization characteristics, and outcomes as a cohort of children diagnosed with severe sepsis using strict clinical criteria. METHODS: We performed a retrospective cohort study using data from 2005 to 2011 from the New York and Florida State Inpatient Databases, available from the US Healthcare Cost and Utilization Project...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/29034628/-screening-of-full-human-anthrax-lethal-factor-neutralizing-antibody-in-transgenic-mice
#17
Xiaolin Wang, Xiangyang Chi, Ju Liu, Weicen Liu, Shuling Liu, Shunfang Qiu, Zhonghua Wen, Pengfei Fan, Kun Liu, Xiaohong Song, Ling Fu, Jun Zhang, Changming Yu
Anthrax is a highly lethal infectious disease caused by the spore-forming bacterium Bacillus anthracis. The major virulence factor of B. anthracis consists of protective antigen (PA), lethal factor (LF) and edema factor (EF). PA binds with LF to form lethal toxin (LT), and PA binds with EF to form edema toxin (ET). Antibiotics is hard to work in advanced anthrax infections, because injuries and deaths of the infected are mainly caused by lethal toxin (LT). Thus, the therapeutic neutralizing antibody is the most effective treatment of anthrax...
November 25, 2016: Sheng Wu Gong Cheng Xue Bao, Chinese Journal of Biotechnology
https://www.readbyqxmd.com/read/29034414/occurrence-and-zoonotic-potential-of-endoparasites-in-cats-of-cyprus-and-a-new-distribution-area-for-troglostrongylus-brevior
#18
Anastasia Diakou, Dimitra Sofroniou, Angela Di Cesare, Panagiotis Kokkinos, Donato Traversa
The present study investigated for the first time the occurrence of pulmonary and intestinal parasites of cats in Cyprus. Cats from five districts of Cyprus (Lefkosia, Lemesos, Larnaka, Pafos and Ammochostos) were examined by classical parasitological methods and the identity of lungworm larvae, whenever present, was confirmed by PCR-coupled sequencing. A total of 185 cats, 48 living exclusively indoors and 137 with outdoor access, were included in the study. Parasites were found in 66 (35.7%) of the examined cats, i...
October 16, 2017: Parasitology Research
https://www.readbyqxmd.com/read/29034325/collection-of-viable-aerosolized-influenza-virus-and-other-respiratory-viruses-in-a-student-health-care-center-through-water-based-condensation-growth
#19
Maohua Pan, Tania S Bonny, Julia Loeb, Xiao Jiang, John A Lednicky, Arantzazu Eiguren-Fernandez, Susanne Hering, Z Hugh Fan, Chang-Yu Wu
The dynamics and significance of aerosol transmission of respiratory viruses are still controversial, for the major reasons that virus aerosols are inefficiently collected by commonly used air samplers and that the collected viruses are inactivated by the collection method. Without knowledge of virus viability, infection risk analyses lack accuracy. This pilot study was performed to (i) determine whether infectious (viable) respiratory viruses in aerosols could be collected from air in a real world environment by the viable virus aerosol sampler (VIVAS), (ii) compare and contrast the efficacy of the standard bioaerosol sampler, the BioSampler, with that of the VIVAS for the collection of airborne viruses in a real world environment, and (iii) gain insights for the use of the VIVAS for respiratory virus sampling...
September 2017: MSphere
https://www.readbyqxmd.com/read/29034262/detection-of-replication-competent-lentivirus-using-a-qpcr-assay-for-vsv-g
#20
Lindsey M Skrdlant, Randall J Armstrong, Brett M Keidaisch, Mario F Lorente, David L DiGiusto
Lentiviral vectors are a common tool used to introduce new and corrected genes into cell therapy products for treatment of human diseases. Although lentiviral vectors are ideal for delivery and stable integration of genes of interest into the host cell genome, they potentially pose risks to human health, such as integration-mediated transformation and generation of a replication competent lentivirus (RCL) capable of infecting non-target cells. In consideration of the latter risk, all cell-based products modified by lentiviral vectors and intended for patient use must be tested for RCL prior to treatment of the patient...
March 16, 2018: Molecular Therapy. Methods & Clinical Development
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