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https://www.readbyqxmd.com/read/28239040/efficacy-of-type-2-porcine-reproductive-and-respiratory-syndrome-virus-prrsv-vaccine-against-the-2010-isolate-of-vietnamese-highly-pathogenic-prrsv-challenge-in-pigs
#1
Hiroshi Iseki, Kenji Kawashima, Nguyen Tung, Kenjiro Inui, Mitsutaka Ikezawa, Tomoyuki Shibahara, Makoto Yamakawa
The efficacy of a commercial attenuated live type 2 porcine reproductive and respiratory syndrome (PRRS) vaccine was tested under experimental infection with a highly virulent Vietnamese virus isolated from a diseased pig affected with highly pathogenic PRRS (HP-PRRS) using specific pathogen-free (SPF) pigs. Twenty-five 4-week-old SPF pigs were divided into three groups as follows: pigs vaccinated with a single dose of the vaccine (Group 1, n=10), unvaccinated pigs (Group 2, n=10) and unvaccinated and non-infectious control pigs (Group 3, n=5)...
February 25, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28238912/molecular-characteristics-of-hemoglobins-in-blood-clam-and-their-immune-responses-to-bacterial-infection
#2
Bin Xu, Yanan Zhang, Zhao Jing, Tingjun Fan
Bivalve hemoglobins have antibacterial activities, while the underlying mechanisms remain poorly understood. In our study, three full-length cDNAs of hemoglobins from blood clam skHbs were obtained, encoding putative polypeptides of 147, 150, and 152 amino acids, respectively. Predicted advanced protein structures showed that the skHbs had amphipathic antibacterial structures, displayed the typical structural characteristics of proteins with globin-like fold containing numerous alpha-helixes, and forming a homodimeric skHbI and a heterotetrameric skHbII complex...
February 23, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28238698/nasopharyngeal-protein-biomarkers-of-acute-respiratory-virus-infection
#3
Thomas W Burke, Ricardo Henao, Erik Soderblom, Ephraim L Tsalik, J Will Thompson, Micah T McClain, Marshall Nichols, Bradly P Nicholson, Timothy Veldman, Joseph E Lucas, M Arthur Moseley, Ronald B Turner, Robert Lambkin-Williams, Alfred O Hero, Christopher W Woods, Geoffrey S Ginsburg
Infection of respiratory mucosa with viral pathogens triggers complex immunologic events in the affected host. We sought to characterize this response through proteomic analysis of nasopharyngeal lavage in human subjects experimentally challenged with influenza A/H3N2 or human rhinovirus, and to develop targeted assays measuring peptides involved in this host response allowing classification of acute respiratory virus infection. Unbiased proteomic discovery analysis identified 3285 peptides corresponding to 438 unique proteins, and revealed that infection with H3N2 induces significant alterations in protein expression...
February 21, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28238634/the-cumulative-effects-of-intravenous-antibiotic-treatments-on-hearing-in-patients-with-cystic-fibrosis
#4
Angela C Garinis, Campbell P Cross, Priya Srikanth, Kelly Carroll, M Patrick Feeney, Douglas H Keefe, Lisa L Hunter, Daniel B Putterman, David M Cohen, Jeffrey A Gold, Peter S Steyger
BACKGROUND: Aminoglycosides (AGs) and glycopeptides are antibiotics essential for treating life-threatening respiratory infections in patients with cystic fibrosis (CF). The goal of this study was to examine the effects of cumulative intravenous (IV)-AG (amikacin and/or tobramycin) and/or glycopeptide (vancomycin) dosing on hearing status in patients with CF. METHODS: Hearing thresholds were measured from 0.25 to 16.0kHz, in 81 participants with CF. Participants were categorized into two groups: normal hearing in both ears (≤25dB HL for all frequency bands) or hearing loss (>25dB HL for any frequency band in either ear)...
February 23, 2017: Journal of Cystic Fibrosis: Official Journal of the European Cystic Fibrosis Society
https://www.readbyqxmd.com/read/28238385/distributive-shock-in-the-emergency-department-sepsis-anaphylaxis-or-capillary-leak-syndrome
#5
Cansu Alyeşil, Nurettin Özgür Doğan, İbrahim Ulaş Özturan, Seda Güney
BACKGROUND: Distributive shock is a hyperdynamic process resulting from excessive vasodilatation. Impaired blood flow causes inadequate tissue perfusion, which can lead to end-organ damage. Although the most common etiology is septic shock, anaphylactic and other etiologies should be considered. CASE REPORT: We report the case of a 30-year-old female who presented to the emergency department with nonspecific symptoms and hypotension after a viral upper respiratory infection...
February 18, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28238229/suspecting-non-cystic-fibrosis-bronchiectasis-what-the-busy-primary-care-clinician-needs-to-know
#6
REVIEW
Diego J Maselli, Bravein Amalakuhan, Holly Keyt, Alejandro A Diaz
AIMS: Non-cystic fibrosis bronchiectasis (NCFB) is a chronic, progressive respiratory disorder characterised by irreversibly and abnormally dilated airways, persistent cough, excessive sputum production and recurrent pulmonary infections. In the last several decades, its prevalence has increased, making it likely to be encountered in the primary care setting. The aim was to review the clinical presentation and diagnosis of NCFB, with an emphasis on the role of computed tomography (CT)...
February 2017: International Journal of Clinical Practice
https://www.readbyqxmd.com/read/28237779/failure-of-extracorporeal-membrane-oxygenation-to-rescue-acute-respiratory-distress-syndrome-caused-by-dual-infection-of-influenza-a-h1n1-and-invasive-pulmonary-aspergillosis
#7
Po-An Su, Wen-Liang Yu
No abstract text is available yet for this article.
February 22, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28237624/three-year-evaluation-of-xpert-mtb-rif-in-a-low-prevalence-tuberculosis-setting-a-scottish-perspective
#8
Benjamin J Parcell, Anna Jarchow-MacDonald, Amie-Louise Seagar, Ian Laurenson, Gordon J Prescott, Michael Lockhart
OBJECTIVES: Xpert MTB/RIF (Cepheid) is a rapid molecular assay shown to be sensitive and specific for pulmonary tuberculosis (TB) diagnosis in highly endemic countries. We evaluated its diagnostic performance in a low TB prevalence setting, examined rifampicin resistance detection and quantitative capabilities predicting graded auramine microscopy and time to positivity (TTP) of culture. METHODS: Xpert MTB/RIF was used to test respiratory samples over a 3 year period...
February 22, 2017: Journal of Infection
https://www.readbyqxmd.com/read/28237499/mers-cov-spike-nanoparticles-protect-mice-from-mers-cov-infection
#9
Christopher M Coleman, Thiagarajan Venkataraman, Ye V Liu, Gregory M Glenn, Gale E Smith, David C Flyer, Matthew B Frieman
The Middle East respiratory syndrome coronavirus (MERS-CoV) was first discovered in late 2012 and has gone on to cause over 1800 infections and 650 deaths. There are currently no approved therapeutics or vaccinations for MERS-CoV. The MERS-CoV spike (S) protein is responsible for receptor binding and virion entry to cells, is immunodominant and induces neutralizing antibodies in vivo, all of which, make the S protein an ideal target for anti-MERS-CoV vaccines. In this study, we demonstrate protection induced by vaccination with a recombinant MERS-CoV S nanoparticle vaccine and Matrix-M1 adjuvant combination in mice...
February 22, 2017: Vaccine
https://www.readbyqxmd.com/read/28237484/viral-co-infections-among-children-with-confirmed-measles-at-hospitals-in-hanoi-vietnam-2014
#10
Le Khanh Nguyen Hang, Loan Phuong Do, Thanh Thi Trieu Van, Son Vu Nguyen, Phuong Vu Mai Hoang, Hien Thi Pham, Thanh Thi Le, Huong Thi Thu Tran, Cuong Duc Vuong, Thi Quynh Le Mai
OBJECTIVE: To characterize viral co-infections among representative hospitalized measles cases during the 2014 Hanoi outbreak. METHODS: Throat swabs were collected from 54 pediatric patients with confirmed measles, and molecular diagnostics performed for 10 additional viral respiratory pathogens (Influenza A/H1N1pdm09; A/H3N2 and influenza B; Parainfluenza 1, 2, 3; Respiratory Synctial Virus, RSV; human Metapneumovirus, hMPV; Adenovirus and Picornavirus). RESULTS: Twenty-one cases (38...
February 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28237448/low-rate-of-viral-respiratory-infections-in-infants-in-the-nicu
#11
Sarah S Long
No abstract text is available yet for this article.
March 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28237238/epidemiological-evaluation-of-cats-rescued-at-a-secondary-emergency-animal-shelter-in-miharu-fukushima-after-the-great-east-japan-earthquakes
#12
Aki Tanaka, Beatriz Martinez-Lopez, Philip Kass
The aims of this research were to report characteristics of rescued cats at a secondary emergency animal shelter in Fukushima prefecture, Japan, and evaluate how adoptability, stress level, upper respiratory infection (URI) syndrome incidence, and URI pathogen prevalence were associated with the cat's shelter intake source and shelter characteristics. All cats admitted to the Miharu shelter, Fukushima Prefecture from 2012 to 2014 were included in the study. The results demonstrate that in situ corticosteroid and antibiotic use were associated with cats subsequently developing upper respiratory infections (URI)...
March 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28236418/one-year-observational-study-of-palivizumab-prophylaxis-on-infants-at-risk-for-respiratory-syncytial-virus-infection-in-latin-america
#13
Leandro Martin Castillo, Gabriela Bugarin, Juan Carlos Arias, Jairo Israel Barajas Rangel, Maria Elina Serra, Nestor Vain
OBJECTIVE: This study aims to describe real world palivizumab use and effectiveness in high-risk Latin American infants and young children. METHOD: Prospective, multicenter observational study with infants at risk for severe RSV infection who received palivizumab according to routine clinical practice. Subjects were followed for one year with monthly visits after the first dose of palivizumab. An infant was considered adherent if receiving all the expected injections or five or fewer injections within appropriate inter-dose intervals...
February 22, 2017: Jornal de Pediatria
https://www.readbyqxmd.com/read/28236369/patients-hospitalized-with-an-infective-exacerbation-of-bronchiectasis-unrelated-to-cystic-fibrosis-clinical-physiological-and-sputum-characteristics
#14
Victoria Venning, James Bartlett, Lata Jayaram
BACKGROUND AND OBJECTIVE: Bronchiectasis is a growing health burden both globally and in Australasia. Associated with repeated respiratory infections, the disease often results in hospital admission, impaired quality of life, reduced lung function and shortened life expectancy. We describe the local clinical, physiological and sputum characteristics in patients hospitalized with an infective exacerbation of bronchiectasis. METHODS: This study examined the medical records of all 61 adults admitted to a metropolitan Australian hospital with an infective exacerbation of bronchiectasis in a calendar year...
February 24, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28235797/inhaled-corticosteroids-and-respiratory-infections-in-children-with-asthma-a-meta-analysis
#15
REVIEW
Cristine Cazeiro, Cristina Silva, Susana Mayer, Vanessa Mariany, Claire Elizabeth Wainwright, Linjie Zhang
CONTEXT: Inhaled corticosteroids (ICS) are associated with an increased risk of pneumonia in adult patients with chronic obstructive pulmonary disease. OBJECTIVE: To assess the association between ICS use and risk of pneumonia and other respiratory infections in children with asthma. DATA SOURCES: We searched PubMed from inception until May 2015. We also searched clinicaltrials.gov and databases of pharmaceutical manufacturers. STUDY SELECTION: We selected randomized trials that compared ICS with placebo for at least 4 weeks in children with asthma...
February 24, 2017: Pediatrics
https://www.readbyqxmd.com/read/28235682/nuclear-imprisonment-of-host-cellular-mrna-by-nsp1%C3%AE-protein-of-porcine-reproductive-and-respiratory-syndrome-virus
#16
Mingyuan Han, Hanzhong Ke, Qingzhan Zhang, Dongwan Yoo
Positive-strand RNA genomes function as mRNA for viral protein synthesis which is fully reliant on host cell translation machinery. Competing with cellular protein translation apparatus needs to ensure the production of viral proteins, but this also stifles host innate defense. In the present study, we showed that porcine reproductive and respiratory syndrome virus (PRRSV), whose replication takes place in the cytoplasm, imprisoned host cell mRNA in the nucleus, which suggests a novel mechanism to enhance translation of PRRSV genome...
February 18, 2017: Virology
https://www.readbyqxmd.com/read/28235408/the-chinese-prescription-lianhuaqingwen-capsule-exerts-anti-influenza-activity-through-the-inhibition-of-viral-propagation-and-impacts-immune-function
#17
Yuewen Ding, Lijuan Zeng, Runfeng Li, Qiaoyan Chen, Beixian Zhou, Qiaolian Chen, Pui Leng Cheng, Wang Yutao, Jingping Zheng, Zifeng Yang, Fengxue Zhang
BACKGROUND: Lianhuaqingwen Capsule (LH-C) is a traditional Chinese medicine (TCM) formula used to treat respiratory tract infectious diseases in Chinese. The aim of this study was to determine the antiviral activity of LH-C and its immunomodulatory effects on viral infection. METHOD: The in vitro cytotoxicity and antiviral activity of LH-C was determined by MTT and Plaque reduction assays. Time course study under single-cycle virus growth conditions were used to determine which stage of viral replication was blocked...
February 24, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28231370/significance-of-imaging-in-the-diagnosis-of-olfactory-disorder
#18
Teemu Harju, Markus Rautiainen, Ilkka Kivekäs
The aim of this retrospective analysis was to examine olfactory disorders among the patients in the Ear, Nose, and Throat Clinic of Tampere University Hospital, Finland, from 2001 to 2011, and to evaluate the necessity of imaging in the examination of patients with olfactory disorders. Charts of 143 consecutive patients with a primary olfactory disorder were examined, and 69 patients who had undergone the necessary testing were included in the study. The most common causes of olfactory disorder were upper respiratory infection (23%), chronic rhinosinusitis (19%), head trauma (17%), and allergic or nonallergic rhinitis (6%)...
February 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28231310/breastfeeding-and-the-risk-of-respiratory-tract-infections-after-infancy-the-generation-r-study
#19
Ilse Tromp, Jessica Kiefte-de Jong, Hein Raat, Vincent Jaddoe, Oscar Franco, Albert Hofman, Johan de Jongste, Henriëtte Moll
BACKGROUND: The protection of breastfeeding against respiratory tract infections in the first year of life has often been suggested. Few studies examined the effect of breastfeeding on respiratory tract infections after infancy. OBJECTIVE: To examine the association between breastfeeding with lower respiratory tract infections (LRTI) and upper respiratory tract infections (URTI) after infancy up to 4 years of age (n = 5322). METHODS: This study was embedded in The Generation R study, a Dutch population-based prospective cohort study from fetal life until young adulthood...
2017: PloS One
https://www.readbyqxmd.com/read/28231269/a-mouse-model-of-paralytic-myelitis-caused-by-enterovirus-d68
#20
Alison M Hixon, Guixia Yu, J Smith Leser, Shigeo Yagi, Penny Clarke, Charles Y Chiu, Kenneth L Tyler
In 2014, the United States experienced an epidemic of acute flaccid myelitis (AFM) cases in children coincident with a nationwide outbreak of enterovirus D68 (EV-D68) respiratory disease. Up to half of the 2014 AFM patients had EV-D68 RNA detected by RT-PCR in their respiratory secretions, although EV-D68 was only detected in cerebrospinal fluid (CSF) from one 2014 AFM patient. Given previously described molecular and epidemiologic associations between EV-D68 and AFM, we sought to develop an animal model by screening seven EV-D68 strains for the ability to induce neurological disease in neonatal mice...
February 2017: PLoS Pathogens
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