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https://www.readbyqxmd.com/read/27913620/pb1-f2-derived-from-avian-influenza-a-virus-h7n9-induces-inflammation-via-activation-of-the-nlrp3-inflammasome
#1
Anita Pinar, Jennifer K Dowling, Natalie J Bitto, Avril B Robertson, Eicke Latz, Cameron R Stewart, Grant R Drummond, Matthew A Cooper, Julie L McAuley, Michelle D Tate, Ashley Mansell
The emergence of avian H7N9 influenza A virus (IAV) in humans with associated high mortality, has highlighted the threat of a potential pandemic. Fatal H7N9 infections are characterised by hyperinflammation and increased cellular infiltrates in the lung. Currently there are limited therapies to address the pathologies associated with H7N9 infection and what virulence factors may contribute to these pathologies. We have found that PB1-F2 derived from H7N9 activates the NLRP3 inflammasome and induces lung inflammation and cellular recruitment that is NLRP3 dependent...
December 2, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27913110/downregulated-brain-derived-neurotrophic-factor-induced-oxidative-stress-in-the-pathophysiology-of-diabetic-retinopathy
#2
REVIEW
Tapan Behl, Anita Kotwani
Brain-derived neurotrophic factor (BDNF), a member of neurotrophin growth factor family, physiologically mediates induction of neurogenesis and neuronal differentiation, promotes neuronal growth and survival and maintains synaptic plasticity and neuronal interconnections. Unlike the central nervous system, its secretion in the peripheral nervous system occurs in an activity-dependent manner. BDNF improves neuronal mortality, growth, differentiation and maintenance. It also provides neuroprotection against several noxious stimuli, thereby preventing neuronal damage during pathologic conditions...
November 29, 2016: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/27910770/addition-of-zeolites-to-improve-the-functional-characteristics-of-the-hen-of-the-wood-or-maitake-medicinal-mushroom-grifola-frondosa-agaricomycetes
#3
Jovana Vunduk, Anita Klaus, Maja Kozarski, Radovan Dordevic, Zoran Miladinovic, Ljubinko Jovanovic, Miomir Niksic, Leonardus Johannes Lambertus Donatus Van Griensven
Kaolinite and the modified natural zeolite minazel plus (M+) were used as supplements in substrate used for the production of the medicinal mushroom Grifola frondosa. Growth stimulation, expressed as yield and biological efficiency, was observed when M+ (1%) was added. The production cycle was shortened by half as a result of the zeolites' ion-exchange ability, stimulation of enzyme activity, and water retain capacity. Inductively coupled plasma optical emission spectrometry of fruiting bodies showed the absence of heavy metals (arsenic, cadmium, and lead), whereas the concentration of calcium increased greatly and the concentrations of iron, magnesium, and zinc increased moderately under the influence of M+...
2016: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/27910721/care-delivery-considerations-for-widespread-and-equitable-implementation-of-inherited-cancer-predisposition-testing
#4
Deborah Cragun, Anita Y Kinney, Tuya Pal
DNA sequencing advances through next-generation sequencing (NGS) and several practice changing events, have led to shifting paradigms for inherited cancer predisposition testing. These changes necessitated a means by which to maximize health benefits without unnecessarily inflating healthcare costs and exacerbating health disparities. Areas covered: NGS-based tests encompass multi-gene panel tests, whole exome sequencing, and whole genome sequencing, all of which test for multiple genes simultaneously, compared to prior sequencing practices through which testing was performed sequentially for one or two genes...
December 2, 2016: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/27910596/a-new-setup-for-high-resolution-fast-x-ray-reflectivity-data-acquisition
#5
Milena Lippmann, Adeline Buffet, Kathrin Pflaum, Anita Ehnes, Anca Ciobanu, Oliver H Seeck
A new method for fast x-ray reflectivity data acquisition is presented. The method is based on a fast rotating, slightly tilted sample reflecting to a stationary mounted position sensitive detector and it allows for measurements of reflectivity curves in a quarter of a second. The resolution in q-space mainly depends on the beam properties and the pixel size of the detector. Maximum qz-value of 1 Å(-1) can be achieved. The time-temperature depending structure changes of poly(N-isopropylacrylamide) thin films were investigated in situ by applying the fast-reflectivity setup...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27909376/completeness-of-outcomes-description-reported-in-low-back-pain-rehabilitation-interventions-a-survey-of-185-randomized-trials
#6
Silvia Gianola, Pamela Frigerio, Michela Agostini, Rosa Bolotta, Greta Castellini, Davide Corbetta, Monica Gasparini, Paolo Gozzer, Erica Guariento, Linda C Li, Valentina Pecoraro, Valeria Sirtori, Andrea Turolla, Anita Andreano, Lorenzo Moja
Purpose: To assess reporting completeness of the most frequent outcome measures used in randomized controlled trials (RCTs) of rehabilitation interventions for mechanical low back pain. Methods: We performed a cross-sectional study of RCTs included in all Cochrane systematic reviews (SRs) published up to May 2013. Two authors independently evaluated the type and frequency of each outcome measure reported, the methods used to measure outcomes, the completeness of outcome reporting using a eight-item checklist, and the proportion of outcomes fully replicable by an independent assessor...
2016: Physiotherapy Canada. Physiothérapie Canada
https://www.readbyqxmd.com/read/27908554/apolipoprotein-a-i-and-b-and-subjective-global-assessment-relationship-can-reflect-lipid-defects-in-diabetic-retinopathy
#7
Yashodhara Sharma, Sandeep Saxena, Arvind Mishra, Anita Saxena, Shankar Madhav Natu
OBJECTIVE: Elevated lipid levels increase complications of diabetic retinopathy (DR). Uncontrolled diabetes increases these complications and causes unintentional weight loss, indicating an apparently normal body mass index (BMI). Thus, it is easy to assume that patients with DR and a normal BMI have optimal lipid status. Apolipoprotein (Apo) A-I and Apo B levels differentially indicate serum lipid status in DR. Subjective Global Assessment (SGA) scores are associated with DR status. If SGA scores and serum Apo A-I and B levels are found to be interrelated, their relationship can reflect lipid defects in patients with DR despite apparently normal BMI...
January 2017: Nutrition
https://www.readbyqxmd.com/read/27907153/the-majority-of-genotypes-of-the-virulence-gene-inla-are-intact-among-natural-watershed-isolates-of-listeria-monocytogenes-from-the-central-california-coast
#8
Lisa Gorski, Craig T Parker, Anita S Liang, Samarpita Walker, Kelly F Romanolo
Internalin A is an essential virulence gene involved in the uptake of the foodborne pathogen Listeria monocytogenes into host cells. It is intact in clinical strains and often truncated due to Premature Stop Codons (PMSCs) in isolates from processed foods and processing facilities. Less information is known about environmental isolates. We sequenced the inlA alleles and did Multi Locus Variable Number Tandem Repeat Analysis (MLVA) on 112 L. monocytogenes isolates from a 3-year period from naturally contaminated watersheds near a leafy green growing area in Central California...
2016: PloS One
https://www.readbyqxmd.com/read/27906022/risk-factors-for-unstructured-treatment-interruptions-and-association-with-survival-in-low-to-middle-income-countries
#9
James H McMahon, Tim Spelman, Nathan Ford, Jane Greig, Anita Mesic, Charles Ssonko, Esther C Casas, Daniel P O'Brien
BACKGROUND: Antiretroviral therapy (ART) treatment interruptions lead to poor clinical outcomes with unplanned or unstructured TIs (uTIs) likely to be underreported. This study describes; uTIs, their risk factors and association with survival. METHODS: Analysis of ART programmatic data from 11 countries across Asia and Africa between 2003 and 2013 where an uTI was defined as a ≥90-day patient initiated break from ART calculated from the last day the previous ART prescription would have run out until the date of the next ART prescription...
July 11, 2016: AIDS Research and Therapy
https://www.readbyqxmd.com/read/27905620/-the-water-supply-of-a-pediatric-hospital-as-a-possible-source-of-an-outbreak-of-diarrhea-due-to-microsporidium-spp-in-immunocompromised-patients
#10
Paulina Coria, Claudia Urízar, Andrea Alba, Isabel Noemí, Anita Pino, José Luis Cerva
INTRODUCTION: The hospital water supply is a reservoir of a variety of potentially pathogenic microorganisms that can particularly affect children and immunocompromised patients. Potentially pathogenic Microsporidium spp. have been identified in water. Microsporidiosis is an emerging parasitic and opportunistic infection in immunocompromised patients. OBJECTIVE AND METHOD: to describe an outbreak of nosocomial diarrhea due to Microsporidium, species Encephalitozoon intestinalis...
August 2016: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/27905561/anti-hu-antibodies-activate-enteric-and-sensory-neurons
#11
Qin Li, Klaus Michel, Anita Annahazi, Ihsan E Demir, Güralp O Ceyhan, Florian Zeller, Lars Komorowski, Winfried Stöcker, Michael J Beyak, David Grundy, Gianrico Farrugia, Roberto De Giorgio, Michael Schemann
IgG of type 1 anti-neuronal nuclear antibody (ANNA-1, anti-Hu) specificity is a serological marker of paraneoplastic neurological autoimmunity (including enteric/autonomic) usually related to small-cell lung carcinoma. We show here that IgG isolated from such sera and also affinity-purified anti-HuD label enteric neurons and cause an immediate spike discharge in enteric and visceral sensory neurons. Both labelling and activation of enteric neurons was prevented by preincubation with the HuD antigen. Activation of enteric neurons was inhibited by the nicotinic receptor antagonists hexamethonium and dihydro-β-erythroidine and reduced by the P2X antagonist pyridoxal phosphate-6-azo (benzene-2,4-disulfonic acid (PPADS) but not by the 5-HT3 antagonist tropisetron or the N-type Ca-channel blocker ω-Conotoxin GVIA...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27905446/genomic-evolution-and-chemoresistance-in-germ-cell-tumours
#12
Amaro Taylor-Weiner, Travis Zack, Elizabeth O'Donnell, Jennifer L Guerriero, Brandon Bernard, Anita Reddy, G Celine Han, Saud AlDubayan, Ali Amin-Mansour, Steven E Schumacher, Kevin Litchfield, Clare Turnbull, Stacey Gabriel, Rameen Beroukhim, Gad Getz, Scott L Carter, Michelle S Hirsch, Anthony Letai, Christopher Sweeney, Eliezer M Van Allen
Germ-cell tumours (GCTs) are derived from germ cells and occur most frequently in the testes. GCTs are histologically heterogeneous and distinctly curable with chemotherapy. Gains of chromosome arm 12p and aneuploidy are nearly universal in GCTs, but specific somatic genomic features driving tumour initiation, chemosensitivity and progression are incompletely characterized. Here, using clinical whole-exome and transcriptome sequencing of precursor, primary (testicular and mediastinal) and chemoresistant metastatic human GCTs, we show that the primary somatic feature of GCTs is highly recurrent chromosome arm level amplifications and reciprocal deletions (reciprocal loss of heterozygosity), variations that are significantly enriched in GCTs compared to 19 other cancer types...
November 30, 2016: Nature
https://www.readbyqxmd.com/read/27905406/differential-roles-for-l-type-calcium-channel-subtypes-in-alcohol-dependence
#13
Stefanie Uhrig, David Vandael, Andrea Marcantoni, Nina Dedic, Ainhoa Bilbao, Miriam A Vogt, Natalie Hirth, Laura Broccoli, Rick E Bernardi, Kai Schönig, Peter Gass, Dusan Bartsch, Rainer Spanagel, Jan M Deussing, Wolfgang H Sommer, Emilio Carbone, Anita C Hansson
It has previously been shown that the inhibition of L-type calcium channels (LTCCs) decreases alcohol consumption, although the contribution of the central LTCC subtypes Cav1.2 and Cav1.3 remains unknown. Here, we determined changes in Cav1.2 (Cacna1c) and Cav1.3 (Cacna1d) mRNA and protein expression in alcohol dependent rats during protracted abstinence and naïve controls using in situ hybridization and Western Blot analysis. Functional validation was obtained by electrophysiological recordings of calcium currents in dissociated hippocampal pyramidal neurons...
December 1, 2016: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27904957/neck-pain-and-acute-dysphagia
#14
João Simões, José Romão, Anita Cunha, Sofia Paiva, António Miguéis
The acute tendinitis of the longus colli muscle is an unusual diagnosis in the cases of acute dysphagia with cervical pain. Is a self-limiting condition caused by abnormal calcium hydroxyapatite deposition in the prevertebral space and can cause pharyngeal swelling with impaired swallow. It is absolutely critical to make the differential diagnosis with deep cervical infections in order to avoid invasive treatments.
November 30, 2016: Dysphagia
https://www.readbyqxmd.com/read/27903675/a-pam50-based-chemo-endocrine-score-for-hormone-receptor-positive-breast-cancer-with-an-intermediate-risk-of-relapse
#15
Aleix Prat, Ana Lluch, Arran K Turnbull, Anita K Dunbier, Lourdes Calvo, Joan Albanell, Juan de la Haba-Rodríguez, Angels Arcusa, Ignacio Chacón, Pedro Sánchez-Rovira, Arrate Plazaola, Montse Muñoz, Laia Paré, Joel S Parker, Nuria Ribelles, Begona Jimenez, Abdul Aziz Bin Aiderus, Rosalía Caballero, Barbara Adamo, Mitch Dowsett, Eva M Carrasco, Miguel Martín, J Michael Dixon, Charles M Perou, Emilio Alba
PURPOSE: Hormone receptor-positive (HR+) breast cancer is clinically and biologically heterogeneous and subgroups with different prognostic and treatment sensitivities need to be identified. EXPERIMENTAL DESIGN: Research-based PAM50 subtyping and expression of additional genes was performed on 63 patients with HR+/HER2- disease randomized to neoadjuvant multi-agent chemotherapy versus endocrine therapy in a phase II trial. The biology associated with treatment response was used to derive a PAM50-based Chemo-Endocrine Score (CES)...
November 30, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27902439/evidence-that-pneumococcal-walk-is-regulated-by-stkp-through-protein-protein-interaction
#16
Gro Anita Stamsås, Daniel Straume, Zhian Salehian, Leiv Sigve Håvarstein
WalRK is the only two-component regulatory system essential for viability in Streptococcus pneumoniae. Despite its importance, the biological role of this system is not well understood. However, previous studies have shown that it has a crucial role in controlling pneumococcal cell division. Considerable efforts have been made to understand how the WalRK system is regulated, but no signal(s) sensed by the WalK histidine kinase has been identified so far. Here, we provide evidence that the serine/threonine protein kinase StkP modulates the activity of WalK through direct protein-protein interaction, suggesting that this interaction is one of the signals sensed by WalK...
November 29, 2016: Microbiology
https://www.readbyqxmd.com/read/27902435/overexpression-of-the-fratricide-immunity-protein-comm-leads-to-growth-inhibition-and-morphological-abnormalities-in-streptococcus-pneumoniae
#17
Daniel Straume, Gro Anita Stamsås, Zhian Salehian, Leiv Sigve Håvarstein
The important human pathogen Streptococcus pneumoniae is a naturally transformable species. When developing the competent state, it expresses proteins involved in DNA-uptake, DNA-processing and homologous recombination. In addition to the proteins required for the transformation process, competent pneumococci express proteins involved in a predatory DNA-acquisition-mechanism termed fratricide. This is a mechanism by which the competent pneumococci secrete a muralytic fratricin termed CbpD, which lyse susceptible sister cells or closely related streptococcal species...
November 28, 2016: Microbiology
https://www.readbyqxmd.com/read/27901618/genome-wide-interaction-analysis-of-air-pollution-exposure-and-childhood-asthma-with-functional-follow-up
#18
Anna Gref, Simon Kebede Merid, Olena Gruzieva, Stéphane Ballereau, Allan Becker, Tom Bellander, Anna Bergström, Yohan Bossé, Matteo Bottai, Moira Chan-Yeung, Elaine Fuertes, Despo Ierodiakonou, Ruiwei Jiang, Stéphane Joly, Meaghan Jones, Michael S Kobor, Michal Korek, Anita L Kozyrskyj, Ashish Kumar, Nathanaël Lemonnier, Elaina MacIntyre, Camille Ménard, David Nickle, Ma'en Obeidat, Johann Pellet, Marie Standl, Annika Sääf, Cilla Söderhäll, Carla Mt Tiesler, Maarten van den Berge, Judith M Vonk, Hita Vora, Cheng-Jian Xu, Josep M Antó, Charles Auffray, Michael Brauer, Jean Bousquet, Bert Brunekreef, W James Gauderman, Joachim Heinrich, Juha Kere, Gerard H Koppelman, Dirkje Postma, Christopher Carlsten, Göran Pershagen, Erik Melén
RATIONALE: The evidence supporting an association between traffic-related air pollution exposure and incident childhood asthma is inconsistent, and may depend on genetic factors. OBJECTIVES: To identify gene-environment interaction effects on childhood asthma using genome-wide single nucleotide polymorphism (SNP) data and air pollution exposure. Identified loci were further analyzed at epigenetic and transcriptomic levels. METHODS: We used land use regression models to estimate individual air pollution exposure (represented by outdoor NO2 levels) at the birth address and performed a genome-wide interaction study for doctor's diagnosis of asthma up to 8 years in three European birth cohorts (n=1,534) with look-up for interaction in two separate North American cohorts, CHS and CAPPS/SAGE (n=1,602 and 186 subjects, respectively)...
November 30, 2016: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/27901220/zarit-burden-interview-psychometric-indicators-applied-in-older-people-caregivers-of-other-elderly
#19
Mariana Bianchi, Leticia Decimo Flesch, Erika Valeska da Costa Alves, Samila Sathler Taveres Batistoni, Anita Liberalesso Neri
Objective: to derive psychometric indicators of construct validity and internal consistence of the Zarit Burden Interview scale for caregivers, describing associations of the scale with metrics related to care demands, coping strategies and depression in aged caregivers. Method: crosscutting descriptive and correlational study. The convenience sample was composed by a hundred and twenty one senior caregivers (Avg=70.5 ± 7.2 years, 73% women). They answered a questionnaire to check the physical and cognitive demands of care, the Zarit Burden Interview (ZBI), the California Inventory of Coping Strategies and the Geriatric Depression Scale (GDS-15)...
November 28, 2016: Revista Latino-americana de Enfermagem
https://www.readbyqxmd.com/read/27900889/campylobacter-jejuni-strains-coresistant-to-tetracycline-and-ciprofloxacin-in-patients-with-gastroenteritis-in-croatia
#20
Merica Carev, Ana Kovačić, Anita Novak, Marija Tonkić, Ana Jerončić
BACKGROUND: Antibiotic-resistant Campylobacter jejuni strains are rapidly emerging worldwide. Here, we aimed to determine the antibiotic-resistance patterns and genetic structure of C. jejuni from stool samples of symptomatic patients in Dalmatia, the largest Croatian county. METHODS: In a population-based laboratory surveillance programme for campylobacteriosis in Dalmatia from May 2012 to May 2013, C. jejuni (n = 76) were collected from stool samples of all the patients hospitalized with gastroenteritis and matched positive outpatients (n = 77)...
November 30, 2016: Infectious Diseases
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