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https://www.readbyqxmd.com/read/28819777/qingkailing-injection-for-treatment-of-children-pneumonia-induced-by-respiratory-syncytial-virus-a-meta-analysis-of-randomized-controlled-trials
#1
Shuai He, Wen-Shi Li, Ya-Jun Luo, Chen-Li Ye, Zhong-Yi Zhang
OBJECTIVE: To evaluate the efficacy and safety of Qingkailing Injection (, QKL) for treatment of children pneumonia caused by respiratory syncytial virus (RSV). METHODS: Randomized clinical trials (RCTs) comparing QKL with ribavirin injection in the treatment of children pneumonia induced by RSV were searched in PubMed, Science Direct, Cochrane Library, Chinese VIP database, CNKI and Wanfang databases from their inception to March 2014. Meta-analyses were performed using RevMan 5...
August 17, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28819261/modified-vaccinia-virus-ankara-preferentially-targets-antigen-presenting-cells-in-vitro-ex-vivo-and-in-vivo
#2
Arwen F Altenburg, Carolien E van de Sandt, Bobby W S Li, Ronan J MacLoughlin, Ron A M Fouchier, Geert van Amerongen, Asisa Volz, Rudi W Hendriks, Rik L de Swart, Gerd Sutter, Guus F Rimmelzwaan, Rory D de Vries
Modified Vaccinia virus Ankara (MVA) is a promising vaccine vector with an excellent safety profile. However, despite extensive pre-clinical and clinical testing, surprisingly little is known about the cellular tropism of MVA, especially in relevant animal species. Here, we performed in vitro, ex vivo and in vivo experiments with recombinant MVA expressing green fluorescent protein (rMVA-GFP). In both human peripheral blood mononuclear cells and mouse lung explants, rMVA-GFP predominantly infected antigen presenting cells...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818896/genome-sequences-of-three-novel-isolates-of-human-parainfluenza-virus-2-associated-with-acute-respiratory-infection
#3
J L Kennedy, J C Kincaid, K C Schwalm, A N Stoner, T J Abramo, T M Thompson, O Hardin, C Putt, D L Dinwiddie
Using target capture of viral nucleic acid and next-generation sequencing, we generated the genome sequences of three novel human parainfluenza virus 2 isolates. Isolates ACRI_0185 (GenBank accession number MF077311), ACRI_0230 (MF077312), and ACRI_0248 (MF077313) were collected in October 2016, February 2017, and March 2017, respectively, from pediatric patients with acute respiratory infection in Arkansas.
August 17, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28818890/complete-genome-sequences-of-mumps-and-measles-virus-isolates-from-three-states-in-the-united-states
#4
Laura C Magaña, Alex Espinosa, Rachel L Marine, Terry Fei Fan Ng, Christina J Castro, Anna M Montmayeur, Jill K Hacker, Samantha Scott, Thomas Whyte, Bettina Bankamp, M Steven Oberste, Paul A Rota
We report here the full coding sequence of nine paramyxovirus genomes, including two full-length mumps virus genomes (genotypes G and H) and seven measles virus genomes (genotypes B3 and D4, D8, and D9), from respiratory samples of patients from California, Virginia, and Alabama obtained between 2010 and 2014.
August 17, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28818749/a-conjugate-protein-containing-hiv-tat-isg20-and-a-prrsv-polymerase-binding-inhibits-prrsv-replication-and-may-be-a-novel-therapeutic-platform
#5
Ke Liu, Yuming Li, Bin Zhou, Feifei Wang, Beili Huan, Donghua Shao, Jianchao Wei, Yafeng Qiu, Beibei Li, Yingjuan Qian, Yong-Sam Jung, Denian Miao, Guangzhi Tong, Zhiyong Ma
Porcine Reproductive and Respiratory Syndrome (PRRS), which is caused by Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) infection, has caused substantial economic losses for the global swine industry. To date, there are limited commercially available measures to control the spread of PRRSV. The available vaccines are unstable and there is no anti-PRRSV therapeutic available. Therefore, this study designed a novel recombinant antiviral protein that included a novel polypeptide that binds to the PRRSV polymerase (p9), the transduction ability of the HIV TAT, and the nucleotide degradation activity of interferon stimulated gene 20 (ISG20)...
August 10, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28818691/multi-center-evaluation-of-the-cobas-%C3%A2-liat-%C3%A2-influenza-a-b-rsv-assay-for-rapid-point-of-care-diagnosis
#6
Jane Gibson, Elissa M Schechter-Perkins, Patricia Mitchell, Sharon Mace, Yu Tian, Kemi Williams, Robert Luo, Belinda Yen-Lieberman
Point of Care Testing (POCT) provides the capability for rapid laboratory test results in patient care environments where a traditional clinical laboratory is not available. POCTs have shorter turn-around times (TATs), they may be performed by non-laboratory personnel, and the need for transport time is eliminated. The Food and Drug Administration (FDA) recently granted Clinical Laboratory Improvements Amendment (CLIA) waiver status to the cobas(®) Influenza A/B & RSV assay, a rapid, accurate point-of-care test for Influenza and respiratory syncytial virus (RSV) performed on the Liat(®) System...
August 8, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28818563/-lower-lymphocyte-response-in-severe-cases-of-acute-bronchiolitis-due-to-respiratory-syncytial-virus
#7
José Miguel Ramos-Fernández, David Moreno-Pérez, Cristina Antúnez-Fernández, Guillermo Milano-Manso, Ana María Cordón-Martínez, Antonio Urda-Cardona
INTRODUCTION: Acute bronchiolitis (AB) of the infant has a serious outcome in 6-16% of the hospital admitted cases. Its pathogenesis and evolution is related to the response of the T lymphocytes. The objective of the present study is to determine if the lower systemic lymphocytic response is related to a worse outcome of AB in hospitalised infants. PATIENTS AND METHOD: Retrospective observational-analytical study of cases-controls nested in a cohort of patients admitted due to RSV-AB between the period from October 2010 to March 2015...
August 14, 2017: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/28818113/respiratory-syncytial-virus-rsv-entry-is-inhibited-by-serine-protease-inhibitor-aebsf-when-present-during-an-early-stage-of-infection
#8
Winke Van der Gucht, Annelies Leemans, Marjorie De Schryver, Annick Heykers, Guy Caljon, Louis Maes, Paul Cos, Peter L Delputte
BACKGROUND: Host proteases have been shown to play important roles in many viral activities such as entry, uncoating, viral protein production and disease induction. Therefore, these cellular proteases are putative targets for the development of antivirals that inhibit their activity. Host proteases have been described to play essential roles in Ebola, HCV, HIV and influenza, such that specific protease inhibitors are able to reduce infection. RSV utilizes a host protease in its replication cycle but its potential as antiviral target is unknown...
August 17, 2017: Virology Journal
https://www.readbyqxmd.com/read/28815644/role-of-%C3%AE-%C3%AE-t-cells-in-exacerbated-airway-inflammation-during-reinfection-of-neonatally-primed-mice-in-adulthood
#9
Jianqi Wu, Lei Xu, Xu Han, Haiyan Hu, Feifei Qi, Song Bai, Ruonan Chai, Yuee Teng, Beixing Liu
Age at primary infection with respiratory syncytial virus (RSV) is a crucial factor in determining the outcome of reinfection. However, how neonatal RSV infection affects the immune system and renders the host more susceptible to reinfection in later life is poorly understood. In the present study, by using BALB/c mice that were first infected with RSV as neonates, the role of γδ T cells in the development of airway inflammation during reinfection in adulthood was investigated. We found that neonatal RSV infection resulted in an aggravated infiltration of mononuclear cells in bronchoalveolar lavage (BAL) fluids, in parallel with a significant increase in the levels of type 2 cytokines in lungs on day 4 after reinfection...
August 16, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28814518/a-single-amino-acid-substitution-at-position-225-in-ha-alters-the-transmissibility-of-eurasian-avian-like-h1n1-swine-influenza-virus-in-guinea-pigs
#10
Zeng Wang, Huanliang Yang, Yan Chen, Shiyu Tao, Liling Liu, Huihui Kong, Shujie Ma, Fei Meng, Yasuo Suzuki, Chuanling Qiao, Hualan Chen
Efficient transmission from human to human is the prerequisite for an influenza virus to cause a pandemic; however, the molecular determinants of influenza virus transmission are still largely unknown. In this study, we explored the molecular basis for transmission of Eurasian avian-like H1N1 (EAH1N1) swine influenza viruses by comparing two viruses that are genetically similar but differ in their transmissibility in guinea pigs: the A/swine/Guangxi/18/2011 virus (GX/18) is highly transmissible by respiratory droplet in guinea pigs, whereas the A/swine/Heilongjiang/27/2012 virus (HLJ/27) does not transmit in this animal model...
August 16, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28814240/structure-properties-and-mechanisms-of-action-of-naturally-originated-phenolic-acids-and-their-derivatives-against-human-viral-infections
#11
Yi-Hang Wu, Bing-Yi Zhang, Li-Peng Qiu, Rong-Fa Guan, Zi-Hong Ye, Xiao-Ping Yu
BACKGROUND: A great effort has been made to develop efficacious antiviral drugs, but many viral infections are still lack of efficient antiviral therapies so far. The related exploration of natural products to fight viruses has been raised in recent years. Natural compounds with structural diversity and complexity offer a great chance to find new antiviral agents. Particularly, phenolic acids have attracted considerable attention owing to their potent antiviral abilities and unique mechanisms...
August 14, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28813765/bronchiolitis-in-infants-and-children
#12
Alexandra Schaller, Carl S Galloway
Bronchiolitis is among the most common illnesses in infants and children, and is the most common cause for hospitalization in infants in the U.S. This illness can be caused by many viruses, most commonly respiratory syncytial virus. It is diagnosed clinically by history and physical exam findings, with a narrow role for ancillary testing. Management is supportive, with medications demonstrating limited utility in multiple studies. Preventive measures include hand hygiene, breastfeeding, avoiding tobacco smoke exposure, and isolation precautions for hospitalized patients...
June 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28813689/large-scale-machine-learning-of-media-outlets-for-understanding-public-reactions-to-nation-wide-viral-infection-outbreaks
#13
Sungwoon Choi, Jangho Lee, Min-Gyu Kang, Hyeyoung Min, Yoon-Seok Chang, Sungroh Yoon
From May to July 2015, there was a nation-wide outbreak of Middle East respiratory syndrome (MERS) in Korea. MERS is caused by MERS-CoV, an enveloped, positive-sense, single stranded RNA virus belonging to the family Coronaviridae. Despite expert opinions that the danger of MERS might be exaggerated, there was an overreaction by the public according to the Korean mass media, which led to a noticeable reduction in social and economic activities during the outbreak. To explain this phenomenon, we presumed that machine learning-based analysis of media outlets would be helpful and collected a number of Korean mass media articles and short-text comments produced during the 10-week outbreak...
August 13, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/28813449/influenza-virus-infections-among-patients-attending-emergency-department-according-to-main-reason-to-presenting-to-ed-a-3-year-prospective-observational-study-during-seasonal-epidemic-periods
#14
Enrique Casalino, Stephanie Antoniol, Nadhira Fidouh, Christophe Choquet, Jean-Christophe Lucet, Xavier Duval, Benoit Visseaux, Laurent Pereira
OBJECTIVE: The role of influenza virus in patients presenting at ED during seasonal-epidemic periods has not previously been specified. Our objective was to determine its frequency according to clinical presentation. METHODS: This is a prospective observational study conducted during three-consecutive seasonal Influenza epidemics (2013-2015), including patients presenting i) community-acquired pneumonia (CAP); ii) severe acute symptoms (SAS): respiratory failure (RF), hemodynamic failure (HF), cardiac failure (CF), and miscellaneous symptoms (M); iii) symptoms suggesting influenza (PSSI)...
2017: PloS One
https://www.readbyqxmd.com/read/28812530/feline-herpesvirus-pneumonia-investigations-into-the-pathogenesis
#15
Josep Maria Monne Rodriguez, Gail Leeming, Kernt Köhler, Anja Kipar
Feline herpesvirus type 1 (FeHV-1) is one of the etiological agents of feline respiratory disease. FeHV-1 is an epitheliotropic and cytopathic virus that mainly causes rhinitis and conjunctivitis, although pneumonia is also occasionally seen. In this study, the authors investigated the pathogenesis of FeHV-1-associated pneumonia, comparing natural cases with viral infection of tracheal ring and cell cultures in vitro, using histology, immunohistology, double immunofluorescence, and transmission electron microscopy as investigative tools...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28812422/novel-influenza-d-virus-epidemiology-pathology-evolution-and-biological-characteristics
#16
Shuo Su, Xinliang Fu, Gairu Li, Fiona Kerlin, Michael Veit
In 2011, a new virus was isolated from pigs with influenza-like symptoms and subsequently also from cattle, which are the main reservoir of the virus. It is similar to Influenza C virus (ICV), a (predominantly) human pathogen, causing respiratory disease in children. Since the virus is unable to reassort with ICV (and based on a number of other criteria as discussed in the text) it is now officially named as Influenzavirus D (IDV), a new genus of the Orthomyxoviridae. We summarize the epidemiology, pathology and evolution of IDV and its biological characteristics with emphasis on the only glycoprotein HEF...
August 16, 2017: Virulence
https://www.readbyqxmd.com/read/28812393/innate-lymphoid-cells-the-role-in-respiratory-infections-and-lung-tissue-damage
#17
Anna Głobińska, Marek L Kowalski
Innate lymphoid cells (ILCs) represent a diverse family of cells of the innate immune system, which play an important role in regulation of tissue homeostasis, immunity and inflammation. Emerging evidence has highlighted the importance of ILCs in both protective immunity to respiratory infections and their pathological roles in the lungs. Therefore, the aim of this review is to summarize the current knowledge, interpret and integrate it into broader perspective, enabling greater insight into the role of ILCs in respiratory diseases...
August 16, 2017: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/28811186/identification-and-characterization-of-small-molecule-inhibitors-of-porcine-reproductive-and-respiratory-syndrome-virus
#18
Alyssa B Evans, Pengfei Dong, Hyelee Loyd, Jianqiang Zhang, George A Kraus, Susan Carpenter
Porcine reproductive and respiratory syndrome virus (PRRSV) is the etiological agent of PRRS, an economically significant disease of swine worldwide. PRRSV is poorly controlled by the currently available vaccines, and alternative control strategies are needed to help prevent the continual circulation of the virus. Previously, we developed a synthetic route for the natural compound atractylodinol and demonstrated anti-PRRSV activity in vitro. However, the synthetic route was inefficient and the yield was poor...
August 12, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28808938/advances-in-vaccines-to-prevent-viral-respiratory-illnesses-in-children
#19
Aleisha J Anderson, Tom L Snelling, Hannah C Moore, Christopher C Blyth
Childhood vaccination has played a critical role in the reduction of morbidity and mortality from communicable diseases, including specific respiratory pathogens. Acute lower respiratory infection (ALRI) of both bacterial and viral aetiology continues to impact global child health. Key bacterial pathogens including Streptococcus pneumoniae and Haemophilus influenza type b are specifically targeted with current vaccination programmes, while at present there are less effective strategies for the prevention of viral disease...
August 14, 2017: Paediatric Drugs
https://www.readbyqxmd.com/read/28808497/prevalence-of-antibodies-against-the-middle-east-respiratory-syndrome-coronavirus-influenza-a-and-b-viruses-among-blood-donors-saudi-arabia
#20
Manar Alrashid, Alanoud Abu Taleb, Ali Hajeer, Yaseen Arabi
No abstract text is available yet for this article.
July 2017: Annals of Thoracic Medicine
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