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https://www.readbyqxmd.com/read/28930287/exposure-to-human-alveolar-lining-fluid-enhances-mycobacterium-bovis-bcg-vaccine-efficacy-against-mycobacterium-tuberculosis-infection-in-a-cd8-t-cell-dependent-manner
#1
J I Moliva, A P Hossfeld, C H Canan, V Dwivedi, M D Wewers, G Beamer, J Turner, J B Torrelles
Current tuberculosis (TB) treatments include chemotherapy and preventative vaccination with Mycobacterium bovis Bacillus Calmette-Guérin (BCG). In humans, however, BCG vaccination fails to fully protect against pulmonary TB. Few studies have considered the impact of the human lung mucosa (alveolar lining fluid (ALF)), which modifies the Mycobacterium tuberculosis (M.tb) cell wall, revealing alternate antigenic epitopes on the bacterium surface that alter its pathogenicity. We hypothesized that ALF-induced modification of BCG would induce better protection against aerosol infection with M...
September 20, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28929152/size-dependent-targeted-delivery-of-gold-nanoparticles-modified-with-the-il-6r-specific-aptamer-air-3a-to-il-6r-carrying-cells
#2
Lisa Prisner, Nadine Bohn, Ulrich Hahn, Alf Mews
The delivery of gold nanoparticles (AuNPs) to specific cells strongly depends on the properties e.g. the size of the particles and is of great interest for a large variety of biomedical applications. Here we investigated the size dependence of the receptor-ligand mediated AuNP delivery to cells by comparing very small "molecular" Au-clusters of only 2 nm to larger 7 nm and 36 nm AuNPs with a distinct surface plasmon resonance. Since the molecular weight in this range changes by almost three orders of magnitude, we show how the amount of gold relates to the number of delivered AuNPs...
September 20, 2017: Nanoscale
https://www.readbyqxmd.com/read/28927210/navigation-and-image-injection-for-control-of-bone-removal-and-osteotomy-planes-in-spine-surgery
#3
Michael Kosterhon, Angelika Gutenberg, Sven Rainer Kantelhardt, Elefterios Archavlis, Alf Giese
BACKGROUND AND IMPORTANCE: In contrast to cranial interventions, neuronavigation in spinal surgery is used in few applications, not tapping into its full technological potential. We have developed a method to preoperatively create virtual resection planes and volumes for spinal osteotomies and export 3-D operation plans to a navigation system controlling intraoperative visualization using a surgical microscope's head-up display. The method was developed using a Sawbone ® model of the lumbar spine, demonstrating feasibility with high precision...
April 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28925929/canadian-guidelines-for-controlled-pediatric-donation-after-circulatory-determination-of-death-summary-report
#4
Matthew J Weiss, Laura Hornby, Bram Rochwerg, Michael van Manen, Sonny Dhanani, V Ben Sivarajan, Amber Appleby, Mary Bennett, Daniel Buchman, Catherine Farrell, Aviva Goldberg, Rebecca Greenberg, Ram Singh, Thomas A Nakagawa, William Witteman, Jill Barter, Allon Beck, Kevin Coughlin, Alf Conradi, Cynthia Cupido, Rosanne Dawson, Anne Dipchand, Darren Freed, Karen Hornby, Valerie Langlois, Cheryl Mack, Meagan Mahoney, Deepak Manhas, Christopher Tomlinson, Samara Zavalkoff, Sam D Shemie
OBJECTIVES: Create trustworthy, rigorous, national clinical practice guidelines for the practice of pediatric donation after circulatory determination of death in Canada. METHODS: We followed a process of clinical practice guideline development based on World Health Organization and Canadian Medical Association methods. This included application of Grading of Recommendations Assessment, Development, and Evaluation methodology. Questions requiring recommendations were generated based on 1) 2006 Canadian donation after circulatory determination of death guidelines (not pediatric specific), 2) a multidisciplinary symposium of national and international pediatric donation after circulatory determination of death leaders, and 3) a scoping review of the pediatric donation after circulatory determination of death literature...
September 15, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28921382/the-association-between-infantile-postural-asymmetry-and-unsettled-behaviour-in-babies
#5
Julie Ellwood, Michael Ford, Alf Nicholson
Unsettled infant behaviour is a common problem of infancy without known aetiology or clearly effective management. Some manual therapists propose that musculoskeletal dysfunction contributes to unsettled infant behaviour, yet reported improvement following treatment is anecdotal. The infantile postural asymmetry measurement scale is a tool which measures infantile asymmetry, a form of musculoskeletal dysfunction. The first part of the study aimed to investigate its reliability and validity for measuring infantile postural asymmetry...
September 18, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28920000/oncolytic-peptide-ltx-315-induces-an-immune-mediated-abscopal-effect-in-a-rat-sarcoma-model
#6
Janne Nestvold, Meng-Yu Wang, Ketil A Camilio, Severin Zinöcker, Torunn Elisabeth Tjelle, Alf Lindberg, Bengt Erik Haug, Gunnar Kvalheim, Baldur Sveinbjørnsson, Øystein Rekdal
LTX 315 is an oncolytic peptide with potent immunological properties. In the present study, we demonstrate that intratumoral treatment with LTX-315 resulted in a complete regression and systemic immune response in a rat fibrosarcoma model. The treatment was T-cell dependent, and also resulted in an abscopal effect as demonstrated by the regression of distal non-treated lesions. Significant infiltration of CD8(+) T cells was observed in both treated and non-treated lesions, as shown by immunohistochemical and flow cytometric analysis...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28914695/autoimmune-acute-liver-failure-and-seronegative-autoimmune-liver-disease-in-children-are-they-different-from-classical-disease
#7
Vikas Jain, Anshu Srivastava, Surender K Yachha, Niraj Kumari, Rachana Kathuria, Moinak S Sarma, Ujjal Poddar, Narendra Krishnani
OBJECTIVES: Presentation as autoimmune acute liver failure (AI-ALF) and seronegative autoimmune liver disease (SN-AILD) represents two uncommon variants of AILD. We compared the clinical profile and outcome of AI-ALF with autoimmune-non-acute liver failure (AI-non-ALF) and also SN-AILD with seropositive autoimmune liver disease (SP-AILD). MATERIALS AND METHODS: Children managed as AI-ALF and AI-non-ALF including SN-AILD and SP-AILD were enrolled and compared. AI-non-ALF was diagnosed by simplified diagnostic criteria and AI-ALF by Pediatric Acute Liver Failure Study Group criteria with positive autoantibody, exclusion of other etiologies, elevated immunoglobulin G and histology when available...
September 13, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28912590/the-importance-of-simulated-lung-fluid-slf-extractions-for-a-more-relevant-evaluation-of-the-oxidative-potential-of-particulate-matter
#8
Aude Calas, Gaëlle Uzu, Jean M F Martins, Didier Voisin, Lorenzo Spadini, Thomas Lacroix, Jean-Luc Jaffrezo
Particulate matter (PM) induces oxidative stress in vivo, leading to adverse health effects. Oxidative potential (OP) of PM is increasingly studied as a relevant metric for health impact (instead of PM mass concentration) as much of the ambient particle mass do not contribute to PM toxicity. Several assays have been developed to quantify PM oxidative potential and a widely used one is the acellular dithiothreitol (DTT) assay. However in such assays, particles are usually extracted with methanol or Milli-Q water which is unrepresentative of physiological conditions...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28906044/specific-ige-to-peanut-2s-albumin-ara-h-7-has-a-discriminative-ability-comparable-to-ara-h-2-and-6
#9
Mark A Blankestijn, Henny G Otten, Waltraud Suer, Alf Weimann, Edward F Knol, André C Knulst
BACKGROUND: Little is known on the clinical relevance of peanut 2S albumin Ara h 7. OBJECTIVE: To investigate the discriminative ability of Ara h 7 in peanut allergy and assess the role of cross-reactivity between Ara h 2, 6 and Ara h 7 isoforms. METHODS: Sensitization to recombinant peanut storage proteins Ara h 1, 2, 3, 6 and 7 was assessed using a line blot in sera from 40 peanut tolerant and 40 peanut allergic patients, based on food challenge outcome...
September 14, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28903847/dengue-hemorrhagic-fever-arare-cause-of-acute-liver-failure
#10
Aisha Nazeer, Ayesha Aslam Rai, Nasir Hassan Luck, Abbas Ali Yousuf Tasneem
Acute liver failure (ALF) is an acute medical emergency which carries high mortality without liver transplantation. Various hepatotropic viruses, drug induced liver injury, auto immune hepatitis, and metabolic liver diseases are the commonly implicated etiologic agents. Liver involvement in dengue hemorrhagic fever (DHF) is quite common, but acute liver failure is its rare complication. Neurological complications are also commonly seen in DHF. Ateenage girl presented with high grade fever and subconjunctival hemorrhage, and later developed jaundice due to acute liver failure...
August 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28895204/liver-transplantation-in-critically-ill-patients-preoperative-predictive-factors-of-post-transplant-mortality-to-avoid-futility
#11
Baptiste Michard, Thierry Artzner, Benjamin Lebas, Camille Besch, Max Guillot, François Faitot, François Lefebvre, Philippe Bachellier, Vincent Castelain, Quentin Maestraggi, Francis Schneider
Liver transplant (LT) is often the only life-saving therapeutic option for patients with acute liver failure (ALF) (i.e. without prior liver disease) and for acute-on-chronic liver failure (ACLF). With the progressive introduction of the model for end-stage liver disease (MELD) score in liver transplantation allocation algorithms (since 2007 in France), a new paradigm has begun to emerge based on the idea of prioritizing transplant allocations to patients who are more acutely ill and with the highest MELD scores...
September 12, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28894574/decreased-activity-of-plasma-adamts13-are-related-to-enhanced-cytokinemia-and-endotoxemia-in-patients-with-acute-liver-failure
#12
Hiroaki Takaya, Hitoshi Yoshiji, Hideto Kawaratani, Kazuya Sakai, Masanori Matsumoto, Yoshihiro Fujimura, Hiroshi Fukui
Deficient ADAM metalloproteinase with thrombospondin type-1 motif, member 13 (ADAMTS13) activity (ADAMTS13:AC) results in the accumulation of unusually large von Willebrand factor multimers (UL-VWFM) and causes microcirculatory disturbances and multiple organ failure, while endotoxins trigger the activation of a coagulation cascade. The objective of the present study was to explore the role of ADAMTS13 in endotoxemia in patients with acute liver failure (ALF). Plasma concentrations of endotoxin and cytokines, including interleukin (IL)-6 and IL-8, and activity of the plasma ADAMTS13 inhibitor were determined, along with ADAMTS13:AC, the VWF antigen (VWF:Ag) and UL-VWFM, in 27 patients with acute hepatitis (AH), 11 patients with ALF, and 10 healthy controls...
September 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28887416/identifying-the-active-microbiome-associated-with-roots-and-rhizosphere-soil-of-oilseed-rape
#13
Konstantia Gkarmiri, Shahid Mahmood, Alf Ekblad, Sadhna Alström, Nils Högberg, Roger Finlay
RNA stable isotope probing and high throughput sequencing were used to characterize the active microbiomes of bacteria and fungi colonizing roots and rhizosphere soil of oilseed rape, to identify taxa assimilating plant-derived carbon following (13)CO2 labeling. Root- and rhizosphere soil-associated communities of both bacteria and fungi differed from each other and there were highly significant differences between their DNA- and RNA-based community profiles. Verrucomicrobia, Proteobacteria, Planctomycetes, Acidobacteria, Gemmatimonadetes, Actinobacteria and Chloroflexi were the most active bacterial phyla in the rhizosphere soil...
September 8, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28882915/patient-experience-and-perceived-acceptability-of-whole-body-magnetic-resonance-imaging-for-staging-colorectal-and-lung-cancer-compared-with-current-staging-scans-a-qualitative-study
#14
Ruth Evans, Stuart Taylor, Sam Janes, Steve Halligan, Alison Morton, Neal Navani, Alf Oliver, Andrea Rockall, Jonathan Teague, Anne Miles
OBJECTIVE: To describe the experience and acceptability of whole-body magnetic resonance imaging (WB-MRI) staging compared with standard scans among patients with highly suspected or known colorectal or lung cancer. DESIGN: Qualitative study using one-to-one interviews with thematic analysis. SETTING: Patients recruited from 10 hospitals in London, East and South East England between March 2013 and July 2014. PARTICIPANTS: 51 patients (31 male, age range 40-89 years), with varying levels of social deprivation, were recruited consecutively from two parallel clinical trials comparing the diagnostic accuracy and cost-effectiveness of WB-MRI with standard scans for staging colorectal and lung cancer ('Streamline-C' and 'Streamline-L')...
September 6, 2017: BMJ Open
https://www.readbyqxmd.com/read/28881632/preliminary-biological-evaluation-of-18-f-alf-nota-mal-cys-annexin-v-as-a-novel-apoptosis-imaging-agent
#15
Chunxiong Lu, Quanfu Jiang, Minjin Hu, Cheng Tan, Huixin Yu, Zichun Hua
A novel annexin V derivative (Cys-Annexin V) with a single cysteine residue at its C-terminal has been successfully labeled site-specifically with NOTA-maleimide aluminum [(18)F]fluoride complexation and evaluated it as a novel apoptosis agent in vitro and in vivo. The total synthesis time of (18)F-AlF-NOTA-MAL-Cys-Annexin V from [(18)F]fluoride was about 65 min. The tracer was stable in vitro and it was excreted through renal in normal mice. The rate of the tracer bound to erythrocytes with exposed phosphatidylserine was 89...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28878934/postauthorization-safety-study-of-the-dpp-4-inhibitor-saxagliptin-a-large-scale-multinational-family-of-cohort-studies-of-five-outcomes
#16
Vincent Lo Re, Dena M Carbonari, M Elle Saine, Craig W Newcomb, Jason A Roy, Qing Liu, Qufei Wu, Serena Cardillo, Kevin Haynes, Stephen E Kimmel, Peter P Reese, David J Margolis, Andrea J Apter, K Rajender Reddy, Sean Hennessy, Harshvinder Bhullar, Arlene M Gallagher, Daina B Esposito, Brian L Strom
OBJECTIVE: To evaluate the risk of serious adverse events among patients with type 2 diabetes mellitus initiating saxagliptin compared with oral antidiabetic drugs (OADs) in classes other than dipeptidyl peptidase-4 (DPP-4) inhibitors. RESEARCH DESIGN AND METHODS: Cohort studies using 2009-2014 data from two UK medical record data sources (Clinical Practice Research Datalink, The Health Improvement Network) and two USA claims-based data sources (HealthCore Integrated Research Database, Medicare)...
2017: BMJ Open Diabetes Research & Care
https://www.readbyqxmd.com/read/28878168/metabolomics-analysis-of-urine-samples-from-children-after-acetaminophen-overdose
#17
Laura K Schnackenberg, Jinchun Sun, Sudeepa Bhattacharyya, Pritmohinder Gill, Laura P James, Richard D Beger
Acetaminophen (APAP), a commonly used over-the-counter analgesic, accounts for approximately fifty percent of the cases of acute liver failure (ALF) in the United States due to overdose, with over half of those unintentional. Current clinical approaches for assessing APAP overdose rely on identifying the precise time of overdose and quantitating acetaminophen alanine aminotransferase (ALT) levels in peripheral blood. Novel specific and sensitive biomarkers may provide additional information regarding patient status post overdose...
September 6, 2017: Metabolites
https://www.readbyqxmd.com/read/28877715/exploring-efficacy-and-safety-of-oral-pirfenidone-for-progressive-non-ipf-lung-fibrosis-relief-a-randomized-double-blind-placebo-controlled-parallel-group-multi-center-phase-ii-trial
#18
Jürgen Behr, Petra Neuser, Antje Prasse, Michael Kreuter, Klaus Rabe, Carmen Schade-Brittinger, Jasmin Wagner, Andreas Günther
BACKGROUND: Pirfenidone is currently approved in the EU for the treatment of mild to moderate idiopathic pulmonary fibrosis (IPF) and offers a beneficial risk-benefit profile. However, there are several other, progressive fibrotic lung diseases, in which conventional anti-inflammatory therapy is not sufficiently effective and antifibrotic therapies may offer a novel treatment option. METHODS/DESIGN: We designed a study protocol for inclusion of patients with progressive fibrotic lung disease despite conventional anti-inflammatory therapy (EudraCT 2014-000861-32)...
September 6, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28875762/predictors-of-infection-in-viral-hepatitis-related-acute-liver-failure
#19
Shalimar, Saurabh Kedia, Hanish Sharma, Sreejith Vasudevan, Ujjwal Sonika, Ashish Dutt Upadhyaya, Subrat K Acharya
OBJECTIVE: Infections are common and associated with complications and mortality in acute liver failure (ALF). The temporal relationship between ammonia and infection in ALF patients is unclear. We aimed to evaluate the predictors of infection and its relationship with arterial ammonia levels. MATERIALS AND METHODS: Consecutive ALF patients hospitalized between January 2004 and December 2015, without signs of infection at/within 48 h of admission, were included...
September 6, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28874859/editorial-severe-acute-liver-injury-cause-connects-to-outcome
#20
EDITORIAL
Curtis K Argo, Stephen H Caldwell
Severe acute liver injury (ALI) is a common condition with little objective study of its natural history and outcomes. In this paper by Koch et al. and the Acute Liver Failure (ALF) Study Group, the authors utilize a consensus definition of ALI requiring newly elevated bilirubin, alanine aminotransferase (ALT), and international normalized ration (INR) without evidence of hepatic encephalopathy (HE), with HE as the key differentiator of ALI from ALF. They show significantly higher rates of progression to ALF, liver transplantation, or death in non-acetaminophen etiologies of ALI...
September 2017: American Journal of Gastroenterology
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