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https://www.readbyqxmd.com/read/29223788/a-multiplex-real-time-rt-pcr-for-simultaneous-detection-of-four-most-common-avian-respiratory-viruses
#1
Nacira Laamiri, Rim Aouini, Boutheina Marnissi, Abdeljelil Ghram, Issam Hmila
A one-step multiplex real-time reverse transcription-PCR (rRT-PCR) assay was developed for simultaneous detection and quantification of four avian respiratory viruses: avian influenza virus (AIV), infectious bronchitis virus (IBV), Newcastle disease virus (NDV) and infectious laryngotracheitis virus (ILTV). In comparison with the singleplex rRT-PCR, the specificity, the sensitivity and the reproducibility of the new assay were evaluated and validated using 70 clinical samples. The optimal cutoff point, the corresponding limit of quantification (LoQ) and the limit of detection (LoD) were statistical established based on receiver operating characteristic (ROC) curve analysis...
December 7, 2017: Virology
https://www.readbyqxmd.com/read/29223614/host-susceptibility-to-mers-cov-infection-a-retrospective-cohort-study-of-the-2015-korean-mers-outbreak
#2
Jae-Hoon Ko, Hyeri Seok, Ga Eun Park, Ji Yeon Lee, Ji Yong Lee, Sun Young Cho, Young Eun Ha, Ji-Man Kang, Yae-Jean Kim, Cheol-In Kang, Doo Ryeon Chung, Jae-Hoon Song, Kyong Ran Peck
To evaluate host susceptibility factors to Middle East respiratory syndrome coronavirus (MERS-CoV) infection, we conducted a retrospective cohort study from the single largest exposure event of the 2015 Korean MERS outbreak. A total of 175 patients were closely exposed to a super-spreader, 26 of which were infected (14.9%). In a multivariate analysis, history of autologous stem cell transplantation (HR, 31.151; 95% CI, 5.447-178.145; P < 0.001) and tachypnea at ED (HR, 4.392; 95% CI, 1.402-13.761; P = 0...
December 6, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29223372/diagnostic-and-prognostic-plasma-biomarkers-for-idiopathic-pneumonia-syndrome-after-hematopoietic-cell-transplantation
#3
Sachiko Seo, Jeffrey Yu, Isaac C Jenkins, Wendy M Leisenring, Terry Steven-Ayers, Jane M Kuypers, Meei-Li Huang, Keith R Jerome, Michael Boeckh, Sophie Paczesny
Idiopathic pneumonia syndrome (IPS) is a non-infectious pulmonary complication after hematopoietic cell transplantation (HCT) and is difficult to diagnose. We evaluated six candidate proteins in plasma samples at day 7 after HCT and at onset of IPS from 41 IPS cases to identify potential IPS diagnostic or prognostic biomarkers. Samples at similar times from 162 HCT recipients without documented infections and 37 HCT recipients with respiratory viral pneumonia served as controls. In multivariable models, a combination of Stimulation-2 (ST2, OR 2...
December 6, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29223126/hpev-3-predominated-among-parechovirus-a-positive-infants-during-an-outbreak-in-2013-2014-in-queensland-australia
#4
Donna McNeale, Claire Y T Wang, Katherine E Arden, Ian M Mackay
BACKGROUND: Parechoviruses (HPeV) are endemic seasonal pathogens detected from the respiratory tract, gut, blood and central nervous system (CNS) of children and adults, sometimes in conjunction with a range of acute illnesses. HPeV CNS infection may lead to neurodevelopmental sequelae, especially following infection by HPeV-3, hence screening and genotyping are important to inform epidemiology, aetiology and prognosis. OBJECTIVES: To identify and characterise HPeVs circulating during an outbreak between November 2013 and April 2014 in Queensland, Australia...
December 6, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/29222697/clinical-implications-of-rapid-eplex%C3%A2-respiratory-pathogen-panel-testing-compared-to-laboratory-developed-real-time-pcr
#5
Anneloes L van Rijn, Roel H T Nijhuis, Vincent Bekker, Geert H Groeneveld, Els Wessels, Mariet C W Feltkamp, Eric C J Claas
Rapid diagnosis of respiratory infections is of great importance for adequate isolation and treatment. Due to the batch-wise testing, laboratory-developed real-time polymerase chain reaction (PCR) assays (LDT) often result in a time to result of one day. Here, LDT was compared with rapid ePlex® Respiratory Pathogen (RP) Panel testing of GenMark Diagnostics (Carlsbad, CA, USA) with regard to time to result, installed isolation precautions, and antibacterial/antiviral treatment. Between January and March 2017, 68 specimens of 64 patients suspected of an acute respiratory infection were tested with LDT and the ePlex® RP panel...
December 8, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/29222615/knockdown-expression-of-il-10r%C3%AE-gene-inhibits-prrsv-replication-and-elevates-immune-responses-in-pbmcs-of-tibetan-pig-in-vitro
#6
Yihui Chen, Ye Wang, Kai Zeng, Yun-Feng Lei, Xiao-Hui Chen, San-Cheng Ying, Xue-Bin Lv, Zezhou Wang, Rong Gao
Increase of interleukin-10 (IL-10) induced by Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) infection has been intensely studied to inhibit the anti-viral responses of host pigs. Blockade of expression of IL-10 receptor (IL-10R) by RNA interference (RNAi) may relieve the immunosuppression caused by excessive IL-10 in PRRSV infection. The recombinant short hairpin expressing plasmid targeted to pig IL-10Rα was transfected into peripheral blood mononuclear cells of Tibetan pig (Tp-PBMCs) prior to PRRSV inoculation, then the replication of PRRSV and immune responses in Tp-PBMCs were evaluated...
December 8, 2017: Veterinary Research Communications
https://www.readbyqxmd.com/read/29222500/long-term-outcomes-in-survivors-of-epidemic-influenza-a-h7n9-virus-infection
#7
Jiajia Chen, Jie Wu, Shaorui Hao, Meifang Yang, Xiaoqing Lu, Xiaoxiao Chen, Lanjuan Li
Patients who survive influenza A (H7N9) virus infection are at risk of physical and psychological complications of lung injury and multi-organ dysfunction. However, there were no prospectively individualized assessments of physiological, functional and quality-of-life measures after hospital discharge. The current study aims to assess the main determinants of functional disability of these patients during the follow-up. Fifty-six influenza A (H7N9) survivors were investigated during the 2-year after discharge from the hospital...
December 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29222091/waste-management-informal-recycling-environmental-pollution-and-public-health
#8
Hong Yang, Mingguo Ma, Julian R Thompson, Roger J Flower
With rapid population growth, especially in low-income and middle-income countries, the generation of waste is increasing at an unprecedented rate. For example, annual global waste arising from waste electrical and electronic equipment alone will have increased from 33.8 to 49.8 million tonnes between 2010 and 2018. Despite incineration and other waste treatment techniques, landfill still dominates waste disposal in low-income and middle-income countries. There is usually insufficient funding for adequate waste management in these countries and uptake of more advanced waste treatment technologies is poor...
December 8, 2017: Journal of Epidemiology and Community Health
https://www.readbyqxmd.com/read/29221912/variable-clinical-phenotype-in-two-siblings-with-aicardi-gouti%C3%A3-res-syndrome-type-6-and-a-novel-mutation-in-the-adar-gene
#9
Lisa Schmelzer, Martin Smitka, Christine Wolf, Nadja Lucas, Victoria Tüngler, Gabriele Hahn, Andreas Tzschach, Nataliya Di Donato, Min Ae Lee-Kirsch, Maja von der Hagen
Aicardi-Goutières syndrome (AGS) is a hereditary inflammatory encephalopathy resulting in severe neurological damage in the majority of cases. We report on two siblings with AGS6 due to compound heterozygosity for a known and a novel mutation in the ADAR gene and a strikingly variable phenotype. The first sibling presented at 12 months of age with a subacute encephalopathy following a mild respiratory infection. The child developed a spastic tetraparesis, generalized dystonia and dysarthria. In contrast, the younger sibling presented with an acute episode of neurological impairment in his third year of life, from which he recovered without sequelae within a few weeks...
November 22, 2017: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/29221893/cardioprotective-effect-of-influenza-and-pneumococcal-vaccination-in-patients-with-cardiovascular-diseases
#10
REVIEW
Andrzej Ciszewski
Due to the wide interaction between the respiratory and the circulatory systems, influenza and pneumococcal vaccinations are recommended in the prevention and treatment of cardiovascular diseases. The review summarizes the results of recent studies and meta-analyses demonstrating that in this group of high-risk patients both vaccinations have potentially beneficial properties. However, in the era of Evidence Base Medicine, there is still a lack of randomized prospective clinical trials, especially those evaluating the effect of pneumococcal vaccination...
December 5, 2017: Vaccine
https://www.readbyqxmd.com/read/29220709/self-reported-influenza-vaccination-rates-and-attitudes-towards-vaccination-among-health-care-workers-results-of-a-survey-in-a-german-university-hospital
#11
M H Hagemeister, N K Stock, T Ludwig, P Heuschmann, U Vogel
OBJECTIVES: The objective of this survey was to analyse vaccination rates and attitudes towards vaccination among health care workers (HCWs). The period prevalence of self-reported acute respiratory infections in the influenza season 2014/2015 was examined. STUDY DESIGN: A cross-sectional study was conducted among HCWs of a German university hospital using an anonymised questionnaire. Recruitment was performed by providing all medical and nursing staff a paper questionnaire with an invitation to participate...
December 5, 2017: Public Health
https://www.readbyqxmd.com/read/29220699/hiv-1-tat-protein-induces-dna-damage-in-human-peripheral-blood-b-lymphocytes-via-mitochondrial-ros-production
#12
Rawan El-Amine, Diego Germini, Vlada V Zakharova, Tatyana Tsfasman, Eugene V Sheval, Ruy A N Louzada, Corinne Dupuy, Chrystèle Bilhou-Nabera, Aline Hamade, Fadia Najjar, Eric Oksenhendler, Marс Lipinski, Boris V Chernyak, Yegor S Vassetzky
Human immunodeficiency virus (HIV) infection is associated with B-cell malignancies in patients though HIV-1 is not able to infect B-cells. The rate of B-cell lymphomas in HIV-infected individuals remains high even under the combined antiretroviral therapy (cART) that reconstitutes the immune function. Thus, the contribution of HIV-1 to B-cell oncogenesis remains enigmatic. HIV-1 induces oxidative stress and DNA damage in infected cells via multiple mechanisms, including viral Tat protein. We have detected elevated levels of reactive oxygen species (ROS) and DNA damage in B-cells of HIV-infected individuals...
December 5, 2017: Redox Biology
https://www.readbyqxmd.com/read/29220542/safety-and-efficacy-of-apremilast-through-104-weeks-in-patients-with-moderate-to-severe-psoriasis-who-continued-on-apremilast-or-switched-from-etanercept-treatment-findings-from-the-liberate-study
#13
K Reich, M Gooderham, A Bewley, L Green, J Soung, R Petric, J Marcsisin, J Cirulli, R Chen, V Piguet
BACKGROUND: Apremilast, an oral phosphodiesterase 4 inhibitor, has demonstrated efficacy in patients with moderate to severe psoriasis. OBJECTIVE: To evaluate long-term efficacy and safety of apremilast in biologic-naive patients with moderate to severe plaque psoriasis and safety of switching from etanercept to apremilast in the phase 3b LIBERATE trial. METHODS: Two hundred fifty patients were randomized to placebo, apremilast 30 mg BID, or etanercept 50 mg QW through Week 16; thereafter, all patients continued or switched to apremilast through Week 104 (extension phase)...
December 8, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29220399/-what-they-see-is-what-you-get-prescribing-antibiotics-for-respiratory-tract-infections-in-primary-care-do-high-prescribers-diagnose-differently-an-analysis-of-german-routine-data
#14
Susann Hueber, Thomas Kuehlein, Roman Gerlach, Martin Tauscher, Angela Schedlbauer
BACKGROUND: Characteristics of high and low prescribers of antibiotics in German primary care were analysed using population data. We aimed to evaluate differences in prescribing rates and factors being associated with high prescribing, and whether high prescribers made the diagnosis of perceived bacterial infections more often. METHODS: Routine data were provided by the Bavarian Association of Statutory Health Insurance Physicians. Routine data are delivered by primary care practices on a quarterly basis...
2017: PloS One
https://www.readbyqxmd.com/read/29218056/respiratory-burst-oxidase-homolog-gene-a-is-crucial-for-rhizobium-infection-and-nodule-maturation-and-function-in-common-bean
#15
Manoj-Kumar Arthikala, Jesús Montiel, Rosana Sánchez-López, Noreide Nava, Luis Cárdenas, Carmen Quinto
Reactive oxygen species (ROS) produced by respiratory burst oxidase homologs (RBOHs) regulate numerous plant cell processes, including the symbiosis between legumes and nitrogen-fixing bacteria. Rapid and transient ROS production was reported after Phaseolus vulgaris root hairs were treated with Nod factors, indicating the presence of a ROS-associated molecular signature in the symbiosis signaling pathway. Rboh is a multigene family containing nine members (RbohA-I) in P. vulgaris. RNA interference of RbohB suppresses ROS production and attenuates rhizobial infection thread (IT) progression in P...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29217968/investigation-of-markers-of-allergic-sensitization-and-viral-infections-in-children-with-allergy-and-asthma
#16
Rūta Dubakienė, Vilija Rubinaitė, Malvina Petronytė, Indrė Dalgėdienė, Odilija Rudzevičienė, Dalia Dubakaitė, Palmira Rudalevičienė, Aurelija Žvirblienė
Background: Allergic diseases are the most prevalent chronic diseases in the developed countries. It is believed that early allergic sensitization and respiratory viral infections play an important role in the development of allergic diseases and asthma. Methods: The current study investigated the correlation between asthma, allergy, and various markers - allergen-specific IgE, IgG4 and IgA, ECP, IgM, and IgG antibodies against respiratory viruses hRSV and hPIV1-4 - in blood serum samples from 80 children (mean age 5...
2017: Acta Medica Lituanica
https://www.readbyqxmd.com/read/29217660/chimeric-pneumoviridae-fusion-proteins-as-immunogens-to-induce-cross-neutralizing-antibody-responses
#17
Eduardo Olmedillas, Olga Cano, Isidoro Martínez, Daniel Luque, María C Terrón, Jason S McLellan, José A Melero, Vicente Más
Human respiratory syncytial virus (hRSV) and human metapneumovirus (hMPV), two members of the Pneumoviridae family, account for the majority of severe lower respiratory tract infections worldwide in very young children. They are also a frequent cause of morbidity and mortality in the elderly and immunocompromised adults. High levels of neutralizing antibodies, mostly directed against the viral fusion (F) glycoprotein, correlate with protection against either hRSV or hMPV However, no cross-neutralization is observed in polyclonal antibody responses raised after virus infection or immunization with purified F proteins...
December 7, 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/29217101/a-novel-in-situ-simulation-intervention-used-to-mitigate-an-outbreak-of-methicillin-resistant-staphylococcus-aureus-in-a-neonatal-intensive-care-unit
#18
Kathleen Gibbs, Samuel DeMaria, Scarlett McKinsey, Andrea Fede, Anne Harrington, Deborah Hutchison, Carol Torchen, Adam Levine, Andrew Goldberg
OBJECTIVE: To describe the successful implementation of an in situ simulation program to diagnose and correct latent safety threats in a level 4 neonatal intensive care unit (NICU) to mitigate a methicillin-resistant Staphylococcus aureus (MRSA) outbreak. STUDY DESIGN: An investigational report describes a simulation intervention that occurred during a 4-month MRSA outbreak in a single-center, 46-bed, newly renovated level 4 NICU. The simulation program was developed for all NICU providers in which they were exposed to a 30-minute in situ human simulation intervention that included education, evaluation, and debriefing to resolve perceived or observed latent safety threats...
December 5, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/29217088/induction-cisplatin-docetaxel-followed-by-surgery-and-erlotinib-in-non-small-cell-lung-cancer
#19
Tina Cascone, Kathryn A Gold, Stephen G Swisher, Diane D Liu, Frank V Fossella, Boris Sepesi, Apar Pataer, Annikka Weissferdt, Neda Kalhor, Ara A Vaporciyan, Wayne L Hofstetter, Ignacio I Wistuba, John V Heymach, Edward S Kim, William N William
BACKGROUND: Data from meta-analyses support the use of induction or adjuvant platinum-based chemotherapy for locally advanced non-small cell lung cancers (NSCLCs). This phase 2 study assessed the role of induction cisplatin and docetaxel followed by surgery in patients with resectable stage I to III NSCLCs, followed by 12 months of adjuvant erlotinib. METHODS: Patients with resectable stage I to III NSCLCs received cisplatin 80 mg/m2, docetaxel 75 mg/m2 every 21 days for 3 cycles, followed by surgery, followed by adjuvant erlotinib for 12 months...
December 4, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29216845/a-comparison-of-the-test-negative-and-the-traditional-case-control-study-designs-for-estimation-of-influenza-vaccine-effectiveness-under-nonrandom-vaccination
#20
Meng Shi, Qian An, Kylie E C Ainslie, Michael Haber, Walter A Orenstein
BACKGROUND: As annual influenza vaccination is recommended for all U.S. persons aged 6 months or older, it is unethical to conduct randomized clinical trials to estimate influenza vaccine effectiveness (VE). Observational studies are being increasingly used to estimate VE. We developed a probability model for comparing the bias and the precision of VE estimates from two case-control designs: the traditional case-control (TCC) design and the test-negative (TN) design. In both study designs, acute respiratory illness (ARI) patients seeking medical care testing positive for influenza infection are considered cases...
December 8, 2017: BMC Infectious Diseases
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