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https://www.readbyqxmd.com/read/28916743/comparative-analysis-reveals-regulatory-motifs-at-the-ains-ainr-pheromone-signaling-locus-of-vibrio-fischeri
#1
John H Kimbrough, Eric V Stabb
Vibrio fischeri uses the AinS/AinR pheromone-signaling system to control bioluminescence and other symbiotic colonization factors. The Ain system is thought to initiate cell-cell signaling at moderate cell densities and to prime the LuxI/LuxR signaling system. Here we compared and analyzed the ain locus from two V. fischeri strains and a Vibrio salmonicida strain to explore ain regulation. The ainS and ainR genes were predicted to constitute an operon, which we corroborated using RT-PCR. Comparisons between strains revealed a stark area of conservation across the ainS-ainR junction, including a large inverted repeat in ainR...
September 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28905059/fe2o3-a-cost-effective-and-environmentally-friendly-catalyst-for-the-generation-of-nh3-a-future-fuel-using-a-new-al2o3-looping-based-technology
#2
Ye Wu, Guodong Jiang, Hongbo Zhang, Zhao Sun, Yuan Gao, Xiaoping Chen, Huazhang Liu, Hanjing Tian, Qinghua Lai, Maohong Fan, Dong Liu
Fe2O3 is found to be a cost-effective and environmentally friendly catalyst for chemical looping generation of NH3 - a future fuel. The optimal Fe2O3 loading on nitrogen carriers, AIN, is 5 wt%. Fe2O3 can reduce the activation energy of the N-desorption step of AIN by 100 kJ mol(-1) or ∼30%.
September 14, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28891598/prevalence-of-human-papillomavirus-in-benign-and-malignant-laryngeal-lesions-in-egyptian-patients-cross-sectional-study
#3
Peter Milad, Hany Kassamy, Anas Askoura, Soha Auelela, Ramy Salem, Dina Ragab
OBJECTIVE: To assess the prevalence of HPV in benign and malignant laryngeal lesions among Egyptian patients. DESIGN: Observational analytical cross-sectional study. SETTING: Ain Shams University hospital, Otorhinolaryngology department. PARTICIPANTS: Formalin-fixed paraffin-embedded specimens of 126 patients (70 benign laryngeal lesions and 56 squamous cell carcinoma lesions) were assessed for the presence of HPV DNA using MY09/11 PCR-based DNA detection...
September 11, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28891270/genetic-diversity-and-pathogenicity-of-fusarium-species-associated-with-fruit-rot-disease-in-banana-across-peninsular-malaysia
#4
Nur Baiti Abd Murad, Nik Mohd Izham Nik Mohamed, Shamarina Shohaimi, Nur Ain Izzati Mohd Zainudin
AIMS: The aims of this study are to identify the Fusarium isolates based on translation elongation factor (tef) 1α sequence, to determine the genetic diversity among isolates and species using selected microsatellite markers, and to examine the pathogenicity of Fusarium isolates causing fruit rot disease of banana. METHODS AND RESULTS: One-hundred thirteen microfungi isolates were obtained from fruit rot infected banana in Peninsular Malaysia. However, this study was focused on the dominant number of the discovered microfungi that belongs to the genus Fusarium...
September 11, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28890397/regulated-expression-of-the-tp%C3%AE-isoform-of-the-human-t-prostanoid-receptor-by-the-tumour-suppressors-foxp1-and-nkx3-1-implications-for-the-role-of-thromboxane-in-prostate-cancer
#5
Aine G O'Sullivan, Sarah B Eivers, Eamon P Mulvaney, B Therese Kinsella
The prostanoid thromboxane (TX)A2 signals through the TPα and TPβ isoforms of T Prostanoid receptor (TP) that are transcriptionally regulated by distinct promoters termed Prm1 and Prm3, respectively, within the TBXA2R gene. We recently demonstrated that expression of TPα and TPβ is increased in PCa, differentially correlating with Gleason grade and with altered CpG methylation of the individual Prm1/Prm3 regions within the TBXA2R. The current study sought to localise the sites of CpG methylation within Prm1 and Prm3, and to identify the main transcription factors regulating TPβ expression through Prm3 in the prostate adenocarcinoma PC-3 and LNCaP cell lines...
September 8, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28889156/oxidative-damage-and-associated-inflammatory-risk-factors-in-obese-emirati-women-body-mass-index-versus-waist-circumference
#6
Salah Gariballa, Juma Alkaabi, Javed Yasin, Awad Al Essa
OBJECTIVES: To establish whether body mass index (BMI) or waist circumference (WC) is a better predictor of cardio metabolic risk factors that are associated with increased visceral fat among obese women from the United Arab Emirates (UAE). METHODS: In this  cross-sectional study, 333 obese subjects visiting community health centers in Al Ain city, UAE, were recruited between 2012 and 2015. After a written consent subjects had anthropometric, clinical and biochemical measurements...
September 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28888269/depression-is-associated-with-recurrent-chest-pain-with-or-without-coronary-artery-disease-a-prospective-cohort-study-in-the-emergency-department
#7
Yeunjung Kim, Morgan Soffler, Summer Paradise, Qurat-Ul-Ain Jelani, James Dziura, Rajita Sinha, Basmah Safdar
BACKGROUND: Only a small fraction of acute chest pain in the emergency department (ED) is due to obstructive coronary artery disease (CAD). ED chest pain remains associated with high rates of recidivism, often in the presence of nonobstructive CAD. Psychological states such as depression, anxiety, and elevation of perceived stress may account for this finding. The objective of the study was to determine whether psychological states predict recurrent chest pain (RCP). METHODS: We conducted a prospective cohort study of low- to moderate-cardiac risk ED patients admitted to the Yale Chest Pain Center with acute chest pain...
September 2017: American Heart Journal
https://www.readbyqxmd.com/read/28881579/methylation-of-hpv-and-a-tumor-suppressor-gene-reveals-anal-cancer-and-precursor-lesions
#8
Attila T Lorincz, Mayura Nathan, Caroline Reuter, Rhian Warman, Mohamed A Thaha, Michael Sheaff, Natasa Vasiljevic, Amar Ahmad, Jack Cuzick, Peter Sasieni
We studied DNA methylation patterns of human papillomavirus (HPV) and tumor suppressor gene EPB41L3 in 148 anal and perianal biopsies to determine whether high levels of methylation would be associated with anal intraepithelial neoplasia (AIN). The most prevalent HPV type was HPV16, detected in 54% of the 30 benign biopsies, 33% of the 43 low-grade AIN (lgAIN), 82% of the 59 high grade AIN (hgAIN) and 4 of the 5 anal cancers. A methylation score was developed (0.561*HPV16me+0.439*EPB41L3) which had increasing values with severity of disease: the mean was 8...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28881106/quantitative-assessment-of-airway-dimensions-in-young-children-with-cystic-fibrosis-lung-disease-using-chest-computed-tomography
#9
Wieying Kuo, Thomas Soffers, Eleni-Rosalina Andrinopoulou, Tim Rosenow, Sarath Ranganathan, Lidija Turkovic, Stephen M Stick, Harm A W M Tiddens
OBJECTIVE: To evaluate lung disease progression using airway and artery (AA) dimensions on chest CT over 2-year interval in young CF patients longitudinally and compare to disease controls cross-sectionally. METHODS: Retrospective analysis of pressure controlled end-inspiratory CTs, 12 routine baseline (CT1 ) and follow up (CT2 ) from AREST CF cohort; 12 disease controls with normal CT. All visible AA-pairs were measured perpendicular to the airway axis. Inner and outer airway diameters and wall (outer-inner radius) thickness were divided by adjacent arteries to compute Ain A-, Aout A-, and AWT A-ratios, respectively...
September 7, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28871508/a-novel-role-of-a-chemotherapeutic-agent-in-a-rat-model-of-endotoxemia-modulation-of-the-stat-3-signaling-pathway
#10
Omnia S Zaki, Marwa M Safar, Afaf A Ain-Shoka, Laila A Rashed
Sepsis caused by lipopolysaccharide (LPS) is a life-threatening disease accompanied by multiple organ failure. This study investigated the curative effects of imatinib (IMA) against hepatic, renal, and pulmonary responses caused by a single administration of LPS (10 mg/kg, i.p.) in rats. Treatment with IMA (15 mg/kg, i.p.) 30 min after LPS antagonized the LPS-induced boost of liver enzymes (ALT, AST), kidney functions (BUN, sCr) as well as the elevated pulmonary vascular permeability and edema. IMA declined tissue contents of NF-κB, STAT-3, P38-MAPK, TNF-α, IL-1β, and iNOS...
September 4, 2017: Inflammation
https://www.readbyqxmd.com/read/28855418/analyses-of-selenotranscriptomes-and-selenium-concentrations-in-response-to-dietary-selenium-deficiency-and-age-reveal-common-and-distinct-patterns-by-tissue-and-sex-in-telomere-dysfunctional-mice
#11
Lei Cao, Li Zhang, Huawei Zeng, Ryan Ty Wu, Tung-Lung Wu, Wen-Hsing Cheng
Background: The hierarchies of tissue selenium distribution and selenotranscriptomes are thought to critically affect healthspan and longevity.Objective: We determined selenium status and selenotranscriptomes in response to long-term dietary selenium deficiency and age in tissues of male and female mice.Methods: Weanling telomerase RNA component knockout C57BL/6 mice were fed a selenium-deficient (0.03 mg Se/kg) Torula yeast-based AIN-93G diet or a diet supplemented with sodium selenate (0.15 mg Se/kg) until age 18 or 24 mo...
August 30, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28835456/systematic-review-of-pharmacological-therapies-for-the-management-of-ischaemic-pain-in-patients-with-non-reconstructable-critical-limb-ischaemia
#12
REVIEW
Áine Ní Laoire, Fliss E M Murtagh
BACKGROUND: Critical limb ischaemia (CLI) is a severe manifestation of peripheral arterial disease, characterised by chronic ischaemic rest pain, ulcers or gangrene. Management of ischaemic pain is challenging in patients with no options for revascularisation and optimal pharmacological therapies have not been established. OBJECTIVES: To identify and evaluate the effectiveness of pharmacological therapies to treat ischaemic pain secondary to non-reconstructable CLI...
August 23, 2017: BMJ Supportive & Palliative Care
https://www.readbyqxmd.com/read/28833244/anti-human-neutrophil-antigen-1a-1b-and-2-antibodies-in-neonates-and-children-with-immune-neutropenias-analyzed-by-extracted-granulocyte-antigen-immunofluorescence-assay
#13
Rie Onodera, Emi Kurita, Kikuyo Taniguchi, Shuhei Karakawa, Satoshi Okada, Hirotaka Kihara, Teruhisa Fujii, Masao Kobayashi
BACKGROUND: Anti-human neutrophil antigen (HNA) antibodies have been implicated in the development of neonatal alloimmune neutropenia (NAN) and autoimmune neutropenia (AIN). There are many conventional assay methods that detect anti-HNA antibodies. However, a method to measure multiple samples and detect several anti-HNA antibodies simultaneously is needed. STUDY DESIGN AND METHODS: We developed a new method, the extracted granulocyte antigen immunofluorescence assay (EGIFA), to analyze anti-HNA-1a, -1b, and -2 antibodies in sera...
August 20, 2017: Transfusion
https://www.readbyqxmd.com/read/28830906/autosomal-recessive-chondrodysplasia-with-severe-short-stature-caused-by-a-biallelic-col10a1-variant
#14
Noor Ul Ain, Outi Makitie, Sadaf Naz
BACKGROUND: Heterozygous mutations in COL10A1 underlie metaphyseal chondrodysplasia, Schmid type (MCDS), an autosomal dominant skeletal dysplasia. OBJECTIVE: To identify the causative variant in a large consanguineous Pakistani family with severe skeletal dysplasia and marked lower limb deformity. METHODS: Whole exome sequencing was completed followed by Sanger sequencing to verify segregation of the identified variants. In silico variant pathogenicity predictions and amino acid conservation analyses were performed...
August 22, 2017: Journal of Medical Genetics
https://www.readbyqxmd.com/read/28830565/determinants-of-follow-up-care-associated-with-incident-antidepressant-use-in-older-adults
#15
Victoire Massamba, Helen-Maria Vasiliadis, Michel Préville
OBJECTIVES: To determine the proportion of older adults receiving guideline concordant antidepressant therapy and to determine patient, prescriber and organizational factors associated with adequate antidepressant therapy. METHODS: The study included secondary analyses of data collected in the Étude sur la Santé des Aînés (ESA) Services study on older adults recruited while consulting in primary care clinics in one of the largest health regions of the province of Québec...
August 22, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28828512/accuracy-and-reliability-of-tablet-computer-as-an-imaging-console-for-detection-of-radiological-signs-of-acute-appendicitis-using-pacs-workstation-as-reference-standard
#16
Muhammad Awais, Dawar Burhan Khan, Muhammad Danish Barakzai, Abdul Rehman, Noor Ul-Ain Baloch, Naila Nadeem
PURPOSE: To ascertain the accuracy and reliability of tablet as an imaging console for detection of radiological signs of acute appendicitis [on focused appendiceal computed tomography (FACT)] using Picture Archiving and Communication System (PACS) workstation as reference standard. METHODS: From January, 2014 to June, 2015, 225 patients underwent FACT at our institution. These scans were blindly re-interpreted by an independent consultant radiologist, first on PACS workstation and, two weeks later, on tablet...
August 21, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28827699/attraction-effect-in-risky-choice-can-be-explained-by-subjective-distance-between-choice-alternatives
#17
Peter N C Mohr, Hauke R Heekeren, Jörg Rieskamp
Individuals make decisions under risk throughout daily life. Standard models of economic decision making typically assume that people evaluate choice options independently. There is, however, substantial evidence showing that this independence assumption is frequently violated in decision making without risk. The present study extends these findings to the domain of decision making under risk. To explain the independence violations, we adapted a sequential sampling model, namely Multialternative Decision Field Theory (MDFT), to decision making under risk and showed how this model can account for the observed preference shifts...
August 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28823104/novel-polymeric-composites-based-on-carboxymethyl-chitosan-and-poly-acrylic-acid-in-vitro-and-in-vivo-evaluation
#18
Qurat-Ul-Ain Sharif, Muhammad Sohail, Mahmood Ahmad, Muhammad Usman Minhas, Shahzeb Khan, Samiullah Khan, Mubeen Kousar
The purpose of the study was to develop a novel, efficient, stable, chemically crosslinked polymeric system that have pH responsive behaviour and can effectively release 5-FU in a controlled manner. Furthermore it can target colonic cancer minimizing the side effects of in vivo chemotherapy via 5-FU. Swelling and drug release studies were performed to evaluate its in vitro release behaviour. Hydrogels were also characterized by FTIR, SEM and DSC. In vitro cytocompatibility and cytotoxicity of the hydrogels were determined by MTT assay using HeLa cells...
August 19, 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28820449/applying-a-consumer-behavior-lens-to-salt-reduction-initiatives
#19
REVIEW
Áine Regan, Monique Potvin Kent, Monique M Raats, Áine McConnon, Patrick Wall, Lise Dubois
Reformulation of food products to reduce salt content has been a central strategy for achieving population level salt reduction. In this paper, we reflect on current reformulation strategies and consider how consumer behavior determines the ultimate success of these strategies. We consider the merits of adopting a 'health by stealth', silent approach to reformulation compared to implementing a communications strategy which draws on labeling initiatives in tandem with reformulation efforts. We end this paper by calling for a multi-actor approach which utilizes co-design, participatory tools to facilitate the involvement of all stakeholders, including, and especially, consumers, in making decisions around how best to achieve population-level salt reduction...
August 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28818411/long-term-supplementation-with-egcg-and-beta-alanine-decreases-mortality-but-does-not-affect-cognitive-or-muscle-function-in-aged-mice
#20
Brandt D Pence, Tushar K Bhattacharya, Pul Park, Jennifer L Rytych, Jacob M Allen, Yi Sun, Robert H McCusker, Keith W Kelley, Rodney W Johnson, Justin S Rhodes, Jeffrey A Woods
We have previously shown that 6weeks of a diet containing epigallocatechin gallate (EGCG) and beta-alanine (B-ALA) was not effective in improving either cognitive or muscle function in aged (18month) mice (Gibbons et al. Behav Brain Res 2014). However, diet reduced oxidative stress in the brain, and previous studies using longer-term interventions have documented beneficial effects in cognitive, but not muscle, function. Therefore, we investigated the effect of 6months of feeding on measures of cognitive and muscle function in mice...
August 14, 2017: Experimental Gerontology
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