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https://www.readbyqxmd.com/read/28437839/semicarbazide-sensitive-amine-oxidase-vascular-adhesion-protein-1-inhibition-reduces-lipopolysaccharide-induced-neuroinflammation
#1
Serena Becchi, Alberto Buson, Jonathan Foot, Wolfgang Jarolimek, Bernard W Balleine
BACKGROUND AND PURPOSE: Neuroinflammation is initiated by a variety of stimuli including infections, sepsis, neurodegenerative diseases or traumatic brain injury and if not adequately controlled can lead to various degrees of neuronal damage and behavioural impairment. A critical event in the initial steps of inflammation is neutrophil extravasation. Semicarbazide sensitive amine oxidase (SSAO, also known as vascular adhesion protein 1 or VAP-1) regulates neutrophil adhesion and extravasation...
April 24, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28437766/cyanobacterial-lectins-characteristics-and-their-role-as-antiviral-agents
#2
REVIEW
Ram Sarup Singh, Amandeep Kaur Walia, Jasvirinder Singh Khattar, Davinder Pal Singh, John F Kennedy
Lectins are ubiquitous proteins/glycoproteins of non-immune origin that bind reversibly to carbohydrates in non-covalent and highly specific manner. These lectin-glycan interactions could be exploited for establishment of novel therapeutics, targeting the adherence stage of viruses and thus helpful in eliminating wide spread viral infections. Here the review focuses on the haemagglutination activity, carbohydrate specificity and characteristics of cyanobacterial lectins. Cyanobacterial lectins exhibiting high specificity towards mannose or complex glycans have potential role as anti-viral agents...
April 21, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28437733/the-establishment-of-in%C3%A2-vitro-culture-and-drug-screening-systems-for-a-newly-isolated-strain-of-trypanosoma-equiperdum
#3
Keisuke Suganuma, Shino Yamasaki, Nthatisi Innocentia Molefe, Peter Simon Musinguzi, Batdorj Davaasuren, Ehab Mossaad, Sandagdorj Narantsatsral, Banzragch Battur, Badgar Battsetseg, Noboru Inoue
Dourine is caused by Trypanosoma equiperdum via coitus with an infected horse. Although dourine is distributed in Equidae worldwide and is listed as an internationally important animal disease by the World Organization for Animal Health (OIE), no effective treatment strategies have been established. In addition, there are no reports on drug discovery, because no drug screening system exists for this parasite. A new T. equiperdum strain was recently isolated from the genital organ of a stallion that showed typical symptoms of dourine...
April 13, 2017: International Journal for Parasitology, Drugs and Drug Resistance
https://www.readbyqxmd.com/read/28437586/pathogenesis-of-vascular-leak-in-dengue-virus-infection
#4
REVIEW
Gathsaurie Neelika Malavige, Graham S Ogg
Endothelial dysfunction leading to vascular leak is the hallmark of severe dengue. Vascular leak typically becomes clinically evident during 3-6 days since the onset of illness, which is known as the critical phase. This critical phase follows the period of peak viraemia, and lasts for 24 to 48 hours and usually shows rapid and complete reversal, suggesting it is likely to occur as a result of inflammatory mediators, rather than infection of the endothelium. Cytokines such as TNFα, which are known to be elevated in the critical phase of dengue, are likely to be contributing factors...
April 24, 2017: Immunology
https://www.readbyqxmd.com/read/28437538/effects-of-diagnosis-by-newborn-screening-for-cystic-fibrosis-on-weight-and-length-in-the-first-year-of-life
#5
Daniel H Leung, Sonya L Heltshe, Drucy Borowitz, Daniel Gelfond, Margaret Kloster, James E Heubi, Michael Stalvey, Bonnie W Ramsey
Importance: Since the implementation of universal newborn screening (NBS) for cystic fibrosis (CF), the timing and magnitude of growth deficiency or its association with correlates of disease among infants with CF who underwent NBS has not been well described. Objective: To examine incremental weight gain, linear growth, and clinical features in the first year of life among infants with CF who underwent NBS. Design, Setting, and Participants: The Baby Observational and Nutrition Study (BONUS), a multicenter, longitudinal, observational cohort study, was conducted during regular CF clinic visits in the first 12 months of life at 28 US Cystic Fibrosis Foundation-accredited Care Centers from January 7, 2012, through May 31, 2015...
April 24, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28437435/infective-respiratory-syncytial-virus-is-present-in-human-cord-blood-samples-and-most-prevalent-during-winter-months
#6
Angela Mary Fonceca, Abha Chopra, Avram Levy, Paul Stanton Noakes, Matthew Wee-Peng Poh, Natasha Leanne Bear, Susan Prescott, Mark Lloyd Everard
BACKGROUND: Human respiratory syncytial virus (RSV) remains the most common cause of severe lower respiratory tract disease amongst infants, and continues to cause annual epidemics of respiratory disease every winter worldwide. Demonstrating placental transmission of viable RSV in human samples is a major paradigm shift in respiratory routes considered likely for RSV transmission. METHODS: Droplet digital PCR (ddPCR) was used to identify RSV present in cord blood mononucleocytes (CBM)...
2017: PloS One
https://www.readbyqxmd.com/read/28437431/factors-associated-with-acquired-anti-ifn-%C3%AE-autoantibody-in-patients-with-nontuberculous-mycobacterial-infection
#7
Pakpoom Phoompoung, Nasikarn Ankasekwinai, Manop Pithukpakorn, Suporn Foongladda, Pinklow Umrod, Bhoom Suktitipat, Surakameth Mahasirimongkol, Sasisopin Kiertiburanakul, Yupin Suputtamongkol
BACKGROUND: The clinical syndrome of disseminated nontuberculous mycobacterial (NTM) infection in patients who were previously healthy is now well recognized to be associated with an acquired autoantibody to Interferon gamma (Anti IFN- γ autoantibody). However, the risk factors of this syndrome remain unknown. METHOD: We performed an unmatched case control study among patients with NTM diseases who were diagnosed and treated at Siriraj Hospital, Bangkok, Thailand...
2017: PloS One
https://www.readbyqxmd.com/read/28437385/before-or-after-transplantation-a-review-of-the-cost-effectiveness-of-treating-waitlisted-patients-with-hepatitis-c
#8
Elliot B Tapper, Nezam H Afdhal, Michael P Curry
All patients with chronic hepatitis C virus (HCV) infections can and should be treated. Though highly effective direct-acting antiviral therapies are costly, the price of a cure is a 1-time investment that is outweighed by future benefits. For clinicians caring for patients requiring liver transplant, the key question relates to the timing of treatment: before or after liver transplantation? On 1 hand, treating HCV often improves our patients' model for end-stage liver disease (MELD) score, decreasing costs, and potentially improving longevity by reducing our patients' risk of death and transplantation...
May 2017: Transplantation
https://www.readbyqxmd.com/read/28437325/presenting-features-and-prognosis-of-ischemic-and-nonischemic-neonatal-liver-failure
#9
Carlos Zozaya Nieto, Beatriz Fernández Caamaño, Gema Muñoz Bartolo, Juan J Menéndez Suso, Esteban Frauca Remacha, Eva Valverde Núñez
OBJECTIVES: To describe the epidemiological features, clinical characteristics and outcomes of neonates diagnosed with liver failure, as well as determine prognostic factors. METHODS: Cohort study conducted at a single tertiary referral and university-affiliated pediatric center. Hospital records of all neonates diagnosed with liver failure between January 2003 and December 2015 were retrospectively reviewed, and data on clinical and laboratory findings, treatment, and outcomes were collected...
May 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28437231/capsular-polysaccharide-types-and-virulence-related-traits-of-epidemic-kpc-producing-klebsiella-pneumoniae-isolates-in-a-chinese-university-hospital
#10
Yang Liu, Pan-Pan Liu, Lian-Hui Wang, Dan-Dan Wei, La-Gen Wan, Wei Zhang
Klebsiella pneumoniae is an important human pathogen associated with a variety of diseases and the prevalence of blaKPC carrying K. pneumoniae (KPC-Kp) is rapidly increasing. Capsule is an important virulence factor in K. pneumoniae. In this study, we determined to first systematically characterize capsular polysaccharide (CPS) and virulence traits in KPC-Kp strains. A total of 56 KPC-Kp isolates were recovered from clinical samples in a Chinese hospital, which were assigned to clonal lineages by multilocus sequence typing (MLST)...
February 24, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28437186/leptospira-species-in-feral-cats-and-black-rats-from-western-australia-and-christmas-island
#11
Narelle A Dybing, Caroline Jacobson, Peter Irwin, David Algar, Peter J Adams
Leptospirosis is a neglected, re-emerging bacterial disease with both zoonotic and conservation implications. Rats and livestock are considered the usual sources of human infection, but all mammalian species are capable of carrying Leptospira spp. and transmitting pathogenic leptospires in their urine, and uncertainty remains about the ecology and transmission dynamics of Leptospira in different regions. In light of a recent case of human leptospirosis on tropical Christmas Island, this study aimed to investigate the role of introduced animals (feral cats and black rats) as carriers of pathogenic Leptospira spp...
March 6, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28437184/control-of-mosquito-borne-diseases-in-northwestern-italy-preparedness-from-one-season-to-the-next
#12
Federica Verna, Paola Modesto, Maria Cristina Radaelli, Danila Raffaella Francese, Enrico Monaci, Rosanna Desiato, Carla Grattarola, Simone Peletto, Andrea Mosca, Giovanni Savini, Rosa Chianese, Vittorio Demicheli, Marino Prearo, Laura Chiavacci, Alessandra Pautasso, Cristina Casalone
INTRODUCTION: Mosquito-borne diseases (MBDs) are spreading worldwide due to globalization and climate change, representing a threat for both humans and animals. Of great concern are the infections caused by viruses belonging to the Flavivirus genus as West Nile virus (WNV) and Usutu virus (USUV) transmitted by Culex sp. or Dengue virus and Zika virus (ZIKV), transmitted by Aedes sp. This work describes the surveillance protocol enforced in Piedmont (Northwestern Italy) to control MBDs spread, focusing on the activities performed on mosquitoes during the 2015 vector season...
February 23, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28437156/development-of-a-taqman-based-real-time-pcr-assay-for-rapid-and-specific-detection-of-fowl-aviadenovirus-serotype-4
#13
Jianchang Wang, Jinfeng Wang, Ping Chen, Libing Liu, Wanzhe Yuan
Twelve serotypes of fowl aviadenovirus, namely, FAdV-(1-8a and 8b-11), have been identified, among which FAdV-4 is the aetiologic agent of hepatitis hydropericardium syndrome (HHS) in chickens. Outbreaks of HHS have been documented in many countries, causing significant economic losses. Real-time PCR methods described so far in the literature cross-detect different serotypes of FAdVs. In this study, we aimed to develop a TaqMan-based real-time PCR assay for the specific detection of FAdV-4. A pair of primers targeting the hexon gene and a TaqMan probe were designed...
June 2017: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/28437139/protection-against-common-bean-rust-conferred-by-a-gene-silencing-method
#14
Bret Cooper, Kimberly B Campbell
Rust disease of the dry bean plant, Phaseolus vulgaris, is caused by the fungus Uromyces appendiculatus. The fungus acquires its nutrients and energy from bean leaves using a specialized cell structure, the haustorium, through which it secretes effector proteins that contribute to pathogenicity by defeating the plant immune system. Candidate effectors have been identified by DNA sequencing and motif analysis, and some candidates have been observed in infected leaves by mass spectrometry. To assess their roles in pathogenicity, we have inserted small fragments of genes for five candidates into bean pod mottle virus...
April 24, 2017: Phytopathology
https://www.readbyqxmd.com/read/28437138/epidemiology-of-basil-downy-mildew
#15
Yigal Cohen, Yariv Ben-Naim, Lidan Falach, Evgenia Rubin
Basil downy mildew (BDM) caused by the oomycete Peronospora belbahrii is a destructive disease of sweet basil (Ocimum basilicum) worldwide. It has originated in Uganda in the 1930's and recently spread to Europe, Middle East, Americas and the Far East. Seed transmission may be responsible to its quick global spread. The pathogen attacks leaf blades, producing chlorotic lesions with ample dark asexual spores on the lower leaf surface. Oospores may occur in the mesophyll of infected leaves. The asexual spores germinate on a wet leaf surface within 2h and penetrate into the epidermis within 4h...
April 24, 2017: Phytopathology
https://www.readbyqxmd.com/read/28437093/a-pathogen-specific-cargo-delivery-platform-based-on-mesoporous-silica-nanoparticles
#16
Bastian Ruehle, Daniel L Clemens, Bai-Yu Lee, Marcus A Horwitz, Jeffrey I Zink
We present a synthetic approach to a highly pathogen-selective detection and delivery platform based on the in-teraction of an antibody nanovalve with a tetrasaccharide from the O-Antigen of the lipopolysaccharide of Francisella tularensis bacteria, a Tier 1 Select Agent of bioterrorism. Different design considerations are explored, and proof-of-concept for highly pathogen-specific cargo release from mesoporous silica nanoparticles is demonstrated by comparisons of the release of a signal transducer and model drug by LPS from Francisella tularensis vs...
April 24, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28436965/a-three-dimensional-model-of-human-lung-development-and-disease-from-pluripotent-stem-cells
#17
Ya-Wen Chen, Sarah Xuelian Huang, Ana Luisa Rodrigues Toste de Carvalho, Siu-Hong Ho, Mohammad Naimul Islam, Stefano Volpi, Luigi D Notarangelo, Michael Ciancanelli, Jean-Laurent Casanova, Jahar Bhattacharya, Alice F Liang, Laura M Palermo, Matteo Porotto, Anne Moscona, Hans-Willem Snoeck
Recapitulation of lung development from human pluripotent stem cells (hPSCs) in three dimensions (3D) would allow deeper insight into human development, as well as the development of innovative strategies for disease modelling, drug discovery and regenerative medicine. We report here the generation from hPSCs of lung bud organoids (LBOs) that contain mesoderm and pulmonary endoderm and develop into branching airway and early alveolar structures after xenotransplantation and in Matrigel 3D culture. Expression analysis and structural features indicated that the branching structures reached the second trimester of human gestation...
April 24, 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/28436815/moyamoya-in-a-patient-with-fires-a-first-case-report
#18
Taylor Kaufman, Andrew White
Febrile infection-related epilepsy syndrome (FIRES) is a form of epileptic encephalopathy with severe refractory epilepsy that presents in previously healthy, school-aged children after significant febrile illness with concomitant rise in body temperature. Suspected causes include genetic or acquired channelopathies, as well as mitochondrial disturbances. In FIRES, the EEG shows diffuse slowing, generalized, and/or multifocal discharges. Seizures are present and resistant to treatment. Moyamoya angiopathy (MMA) is characterized by progressive stenosis of cerebral arteries and subsequent development of a network of collateral circulation that is prone to rupture...
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/28436749/differential-diagnosis-of-neonatal-alloimmune-thrombocytopenia-type-2b-von-willebrand-disease
#19
Mathilde Penel-Page, Sandrine Meunier, Mathilde Fretigny, Sandra Le Quellec, Pierre Boisseau, Christine Vinciguerra, Catherine Ternisien, Lucia Rugeri
At birth, severe thrombocytopenia without context of infection should mainly suggest neonatal alloimmune thrombocytopenia (NAIT), especially in case of a platelet count below 20 GL(-1). We report two cases of severe neonatal thrombocytopenia, first suspected as being NAIT. Both had a platelet count below 20 GL(-1) with platelet clumps. The absence of alloantibodies and failure of platelet transfusion and intravenous immunoglobulins to improve the platelet count led to question the diagnosis and to evoke inherited bleeding disorders...
April 24, 2017: Platelets
https://www.readbyqxmd.com/read/28436602/accuracy-of-circulating-histones-in-predicting-persistent-organ-failure-and-mortality-in-patients-with-acute-pancreatitis
#20
T Liu, W Huang, P Szatmary, S T Abrams, Y Alhamdi, Z Lin, W Greenhalf, G Wang, R Sutton, C H Toh
BACKGROUND: Early prediction of acute pancreatitis severity remains a challenge. Circulating levels of histones are raised early in mouse models and correlate with disease severity. It was hypothesized that circulating histones predict persistent organ failure in patients with acute pancreatitis. METHODS: Consecutive patients with acute pancreatitis fulfilling inclusion criteria admitted to Royal Liverpool University Hospital were enrolled prospectively between June 2010 and March 2014...
April 24, 2017: British Journal of Surgery
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